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Leadium Review: Is This Agency Worth Hiring?

Leadium Review: Is This Agency Worth Hiring?

Summarize with

Leadium is a boutique B2B SDR agency built around a simple idea: take on a limited number of clients and give each one more attention.

Today, the agency has roughly 60 US-based staff and works with around 30–35 active B2B clients at a time. That allows Leadium to keep delivery highly hands-on, with senior SDRs and closer involvement across campaigns.

And the track record is impressive. Since 2015, Leadium says it has delivered 1,500+ client programs, generated $1B+ in pipeline, and supported companies that went on to raise $6.5B+ and complete five IPOs.

Its reputation backs that up too, with 76 Clutch reviews averaging 5.0 stars.

So, what makes Leadium different, and is its high-touch approach worth the investment?

I dug into its services, pricing, reviews, and results to find out.

Table of Contents

At a Glance: Should You Hire Leadium?

Decision Factor Our Assessment
Best For Mid-market and enterprise B2B teams wanting a boutique, founder-led, US-only SDR partner with month-to-month flexibility and $3,500 to $15,000/month budgets
Standout Strength Deliberately boutique model (30 to 35 active clients only) with 100% US-based senior SDRs. Founder-led at every account. 76 Clutch reviews at 5.0 with Premier Verified badge.
Things to Consider G2 reviews trend to 4.3 with recurring flags on lead quality and miscommunication; the gap between Clutch (5.0) and G2 (4.3) suggests reviewer selection dynamics; no offshore lower-cost tier option
Not the Right Fit If... You need cheap entry pricing under $3,000/month, high-volume campaigns (1,000+ meetings/month), or non-US delivery for local market feel
Before You Decide Ask about the G2 review gap directly and get the client-to-SDR ratio in writing to confirm you'll get the senior US-based team promised
Compare Certified Agencies Browse the Forge Expert Network to find certified agencies by industry, market, language, and expertise.

Leadium Customer Reviews: What Real Users Are Saying

The review footprint is large but asymmetric. Clutch holds 76 verified reviews averaging 5.0 stars with a Premier Verified badge and 48 Clutch-independently-verified reviews. G2 shows 4.3 stars with more mixed sentiment. GoodFirms and Inc. 5000 have also recognized Leadium.

What Customers Like

  • Marcos Moura (Co-Owner & Chief Development Officer, Amada Senior Care) wrote in December 2023 that his senior care company has kept "4 SDR reps with them after three years." He praised Leadium's founder-led model directly: "One thing we liked most about Leadium is that they stay small even though they have a large footprint. It means I am able to work directly with their founders even though they have an entire project team working on our program."

  • Aneurin Brown (CEO, Hallmark Luxury Care Homes) wrote in July 2026 that "the biggest difference was the quality of the callers. Having a US-based team made a real difference because the conversations sounded natural and professional. I also liked working directly with the founders. They stayed involved and knew the campaign inside and out, rather than handing everything off."

  • Frank Di Mauro (Founder, dmi27) wrote in June 2026 that "the combination of U.S.-based callers and senior involvement made a difference. The conversations sounded natural, and it never felt like campaign thinking had been delegated too far away from execution."

  • Steffen Kiessling (CEO, Toros Consulting) wrote in July 2026 that Leadium "accepted that success in the public sector is often determined by patience rather than speed. They stayed organized even when opportunities paused for reasons outside anyone's control." A rare positive on patient enterprise-cycle B2B work.

  • Martin Riebe (Founder & CEO, InCoreTex) wrote in July 2026: "I appreciated that they were comfortable saying a prospect was probably not ready yet. Not every inquiry became a meeting, and I think that restraint protected our team's time better than simply increasing activity." That is the quality-over-volume philosophy in a client's own words.

  • Ian Sibbald (CEO, Transave) wrote in July 2026 that "if something was not getting results, they did not keep doing it just because it was part of the original plan. They looked at the data, explained what they were seeing, and suggested a better direction."

  • Racheal Hughes (Founder, Green Mop) wrote in June 2026 that "the outreach quality stands out. Calls felt professional and conversational, which mattered because protecting our reputation was a bigger priority than maximizing appointment volume."

  • Case study on the Leadium homepage reports Energy Assurance (the largest independent battery testing lab) doubled monthly opportunities from 7 to 15 with a dedicated Leadium SDR.

The Amada Senior Care review, December 2023: 3-year engagement with 4 dedicated SDRs, praising direct founder access despite Leadium's larger footprint
The Amada Senior Care review, December 2023: 3-year engagement with 4 dedicated SDRs, praising direct founder access despite Leadium's larger footprint

What Customers Don't Like

  • G2 reviewer tags flag recurring issues including "Poor Lead Quality (3)," "Miscommunication (2)," "Poor Customer Support (1)," "Insufficient Training (1)," and "High Turnover (1)." That is a different story than the Clutch reviews tell.
  • The rating gap is real. Clutch shows 5.0 stars across 76 reviews. G2 shows 4.3 across a smaller pool. When independent review platforms diverge this much, it usually means reviewer selection dynamics are at play. Clutch reviews often come through structured request flows; G2 skews more organic.
  • Ian Sibbald (CEO, Transave) noted the only thing he would want more of: "a broader view of market activity from time to time. Knowing what they are seeing across similar campaigns could help shape our own planning, not just the outbound work."
  • Steffen Kiessling (Toros Consulting) said it "would have been useful to document procurement timelines by organization a little earlier in the project. That information became valuable later and could have helped us prioritize outreach from the beginning."
  • Third-party analysis from Sales So flagged "calibration friction" in the first 7-10 days: "messaging might need 2-3 rounds of edits to sound like your brand." Also called out "rare but serious failures," including reports of emails with misspelled names or broken links.
  • Independent volume of Clutch reviews for Leadium (76) is strong for an agency this size, but the age distribution matters. The featured reviews on Clutch include reviews dating back to 2023 alongside 2026 ones. Most Clutch reviews come from clients directed to the platform. Ask what percentage represent independent walk-in submissions.

Ask for two callable client references in your industry from the last 12 months. If you sell into a specialist vertical, ask specifically whether the SDRs assigned will have prior experience in that industry.

Our Verdict on Leadium

Hire Leadium if you want a founder-led, US-only, boutique SDR partner with month-to-month flexibility, and you can allocate $3,500 to $15,000/month with the trade-off that offshore or pay-per-lead options exist at lower cost.

Two things support this verdict. The boutique model is real. 30 to 35 active clients means the "senior US-based SDR" promise is defensible, not a marketing line. And Kevin Warner's background (founding team at WayUp, MOKO, previous company Leadware acquired by CIENCE) gives Leadium legitimate operational credibility that newer agencies lack.

A few things hold it back:

  • The Clutch (5.0) to G2 (4.3) gap is real and worth addressing on your discovery call.
  • Their pricing sits in the mid-tier ($3,500 starting for one dedicated SDR). Cheaper offshore or pay-per-lead alternatives exist.
  • The "100% US-based" claim on their marketing conflicts with the Kyiv and Santo Domingo office locations still listed on their Clutch profile. Ask which offices actively work on client accounts today.
  • Historical scale (550+ employees, restructured down) means clients working with Leadium 3+ years ago had a different experience than clients today. Newer reviews reflect the boutique era.

Get the SDR seniority, the specific US-based delivery team assigned, and the pricing tier scope in writing before signing. If any answer is vague, look at other certified agencies here alongside.

How I Evaluated Leadium

I have not been a Leadium client, so this review is research-based.

I read their homepage, pricing page, and services pages. I pulled the full Clutch review set (76 reviews, top 11 in detail), searched G2 (4.3 stars with mixed feedback), and cross-referenced Outsource Accelerator, SalesHive, Sales So, Salaria Sales, and SalesBread for third-party pricing and analysis.

I also verified Kevin Warner's background via LinkedIn, the Sales Transformation Podcast he hosts, and Clutch's Delaware business entity records (Leadium, Inc., formed November 29, 2016, active status).

I judged them on four things: the boutique restructure claim (does 30 to 35 active clients hold up?), the pricing tier vs. delivered value, the Clutch-G2 rating gap, and whether the founder-led promise survives at scale.

Everything below marked "reports" or "says" comes from their own material or verified Clutch reviews.

Leadium Services Reviewed

Leadium sells one core outcome: qualified B2B sales meetings delivered through a fully managed SDR program, run by US-based senior SDRs. The work runs across six service areas.

1. Outbound Appointment Setting

Full-service campaigns across email, phone, LinkedIn, SMS, and gifting. Their site describes this as their flagship service, focused on booking qualified sales meetings that convert.

2. Inbound Lead Management

Sub-5-minute speed-to-lead for MQL to SQL conversion. Amada Senior Care's Clutch review confirms this was implemented for their high inbound flow with sub-5-minute speed to first contact.

3. Channel-Optimized Lead Research

100% human-sourced and validated contact data. Leadium claims a "100% accuracy guarantee" on lead generation research, which is unusual in the industry.

4. Omni-Channel Sales Strategy

Coordinated multi-channel outreach across email, phone, and LinkedIn. Their site emphasizes personalization based on cognitive behavior and personality insights per prospect.

5. Top-of-Funnel Consultation

Strategy consulting for internal SDR teams, including sequence writing, sales technology setup, and analytic review implementation.

6. Deliverability and Technology Implementation

Dedicated sending domains, warmup, SPF/DKIM/DMARC setup, list hygiene, and deliverability monitoring. Their infrastructure work is bundled into the retainer.

What You Get With Leadium (and What You Don't)

Criteria Leadium Certified Forge Experts
Channels Email + phone + LinkedIn + SMS + gifting (5 channels) Varies per agency, disclosed on profile
Lead Guarantee No performance guarantee. 100% data accuracy guarantee on research Stated per agency (Outbound Pros: 50 to 75/mo)
Outbound Stack Salesforce, HubSpot, Outreach, Salesloft integrations. Apollo. LinkedIn. Zapier. Runs on Forge ecosystem, disclosed per profile
Pricing Transparency $3,500 starting for cold-calling SDR (G2 disclosed), typical $3K to $15K range Custom quotes, engagement models on profiles
Contract Terms Month-to-month, no long-term lock-ins Varies per agency
Independent Reviews 76 Clutch (5.0, Premier Verified), G2 (4.3 mixed), GoodFirms, Inc. 5000 Varies per agency, named clients per profile
Market Coverage US-only delivery. English-only. 8 US time zones. Global coverage across the directory
Team Depth 50 to 249 per Clutch, 30 to 35 active clients only Ranges from boutique to embedded partners
Legal Entity Leadium, Inc. (Delaware, Active) Varies per agency
Best For Mid-market and enterprise wanting founder-led boutique US SDR Teams matched by channel, market, or industry fit

Every Leadium cell comes from their public material, Clutch, or verified business records. Confirm the specifics on your discovery call.

How Leadium's Process Works

Their pricing page describes a structured onboarding process. Here is how that maps onto what a client actually experiences, based on 76 Clutch reviews.

1. ICP Definition and TAM Mapping

Every engagement starts with defining ICP, personas, pain hypotheses, and value props, then sizing your TAM and prioritizing segments. Multiple Clutch reviewers cited this discovery phase as more thorough than other agencies they had used.

Ask them to define what counts as a qualified meeting in writing before campaigns launch. This is where the retainer economics get set.

2. Data Sourcing and Verification

Multi-source research, enrichment, and triple-verification for direct dials and deliverable emails. Leadium claims to be "the only lead generation company to offer a 100% accuracy guarantee" on research.

Ask for a sample list of 50 records before campaigns launch. Data quality is where the campaign outcome gets set.

3. Messaging and Sequence Development

Custom emails, call talk-tracks, InMail/DM scripts, and CTAs are tested and iterated weekly. Sales So's third-party analysis flags "calibration friction" in the first 7-10 days, with 2-3 rounds of copy edits typical.

Ask if you can approve the copy before it sends. You should sign off on at least the first campaign. If you want to run this same channel mix with your own team, my roundup of the best multichannel outreach tools covers the software side of the same problem.

4. Multi-Channel Campaign Launch

Programs launch in approximately 2 to 3 weeks with clean ICPs. Faster with existing tooling. Campaigns run across email, phone, LinkedIn, and SMS.

Ask about ramp reality vs. marketing timeline. Amada Senior Care's engagement confirmed the fast onboarding claim, but calibration friction is a documented pattern in the first 2 weeks.

5. Meeting Booking and CRM Handoff

Calendar booking, confirmation, reschedule handling, and CRM logging to Salesforce or HubSpot. Weekly iteration on what is working.

Ask specifically about the held meeting rate vs. booked. Reviewer patterns suggest 10 to 22 qualified appointments per month is typical for a single dedicated SDR.

6. Reporting and Optimization

Dashboards for meetings booked/held, SAL/SQL, opps, pipeline value, and qualitative call notes. Leadium's own framework covers (Meetings Held × SAL% × SQL% × Win Rate × ACV) as the ROI math.

Ask for a sample report and agree on a weekly review cadence. If you want to compare against a retainer-model competitor, my Belkins review covers what a US-focused retainer scale looks like.

Leadium Pricing and Contract Terms

Leadium does not publish pricing on their main website. Their pricing page asks prospects to select a monthly budget range starting in the low thousands, then routes to a sales consultation.

What "Qualified" Actually Means

Per Leadium's pricing page: "Specific to appointment setting, together, our teams identify initial market segments that we'll be targeting and define specific ideal customer profile parameters. 

Our research team then follows a rigorous process of sourcing decision-makers at each of your target accounts before validating and channel-optimizing their contact details. 

Once this data is provided to our clients for review and approval, it gets activated in the specific outbound campaigns created for each market segment. At this stage, if a prospect agrees to connect on a sales call, we consider it qualified."

That is a "prospect agrees to a call" bar, which is a low definition compared to BANT-qualified. Ask for the specific qualification checklist and what percentage of booked meetings are typically re-qualified as SAL and SQL post-call.

The Real Math

Here is what Leadium's site and Clutch reviews suggest about client-level economics.

  • $3,500/month gets you a dedicated cold-calling SDR
  • Reported meeting volumes: 10 to 22 qualified appointments per month per dedicated SDR
  • Energy Assurance case: doubled monthly opportunities from 7 to 15 with a dedicated SDR
  • Amada Senior Care runs 4 SDRs, suggesting a $14,000+/month spend for that team

At $3,500/month for 15 monthly meetings, that is roughly $233 per booked meeting. Compared to SalesGent's $250 per qualified meeting on pay-per-performance, Leadium's flat-retainer math sits close to break-even, but with the trade-off of paying whether meetings are delivered or not.

Hidden and Additional Costs to Watch

  • Domain and email infrastructure ownership. Leadium sets these up. Ask if they transfer to you at contract end. Their FAQ says "you keep data, copy, cadences, and playbooks" but be specific about sending domains.
  • Data enrichment credits. Rolled into the retainer per their FAQ, but ask about volume caps.
  • Multi-region SDR seats. Additional SDRs are separately priced. Amada Senior Care's 4-SDR configuration confirms this scales linearly.
  • Setup fees. Not disclosed publicly. Ask directly.
  • Cancellation timing. Month-to-month with 30-day notice, but confirm what happens with any prepaid balance.

The base $3,500/month price is clear. Everything wrapped around scale (multi-SDR, multi-region, additional channels) needs a specific answer.

Who Should Hire Leadium?

Based on their published work and 76 Clutch reviews, Leadium fits you well if:

  • You are a mid-market or enterprise B2B company (SaaS, cybersecurity, fintech, healthcare, IT services, professional services)
  • You want a fully managed SDR program with senior US-based delivery
  • You value founder-led boutique agency involvement over large-team scale
  • Your budget sits between $3,500 and $15,000/month for one to three dedicated SDRs
  • You need cold calling as a core channel plus email and LinkedIn
  • You can commit to a month-to-month engagement (not looking for lock-in pricing discounts)
  • You value data accuracy over speed (100% accuracy guarantee on research)
  • You want to work directly with founders who own the strategy, not junior account managers

Who Should Not Hire Leadium?

Skip them, or at least compare harder, if:

  • You need cheap entry pricing under $3,000/month (offshore or pay-per-lead alternatives exist)
  • You need to book 1,000+ meetings per month across dozens of territories (they intentionally stay boutique)
  • You need non-US delivery for local market feel (Leadium is 100% US-based per their marketing)
  • Your ICP is highly specialized and requires deep vertical SDR expertise (ask about specific industry experience upfront)
  • You want strong performance guarantees (Leadium explicitly does not offer them)
  • The Clutch to G2 rating gap concerns you and cannot be resolved on your discovery call

If your monthly outbound volume is under a few hundred emails, you may not need an agency at all. Running Salesforge yourself at $48 per month covers that volume with warmup included.

Leadium Case Studies and Reported Results

Leadium publishes case studies on their site and features named client logos on their homepage. Here are the most detailed cases with all figures as reported by Leadium or verified in Clutch reviews.

Client Industry Duration Reported Result
Amada Senior Care In-home senior care January 2021 to Ongoing (3+ years) 4 SDRs still active after 3 years, high inbound conversion with sub-5-min speed to lead
Hallmark Luxury Care Homes Luxury care homes UK November 2025 to Ongoing Steady flow of qualified meetings with target organizations
Toros Consulting Public sector consulting Germany June 2025 to April 2026 Expanded network, procurement cycle tracking
Tomorrow (BaaS provider) Financial services Germany March 2025 to February 2026 Filtered opportunities to genuine embedded finance prospects
InCoreTex AI/ML solutions Germany September 2025 to Ongoing More focused sales process, higher-quality AI implementation discussions
Energiepark Brandenburg Renewable energy Germany October 2025 to June 2026 Increased brand awareness, new conversations with target market
Transave UK financial services February 2026 to Ongoing Steady pipeline of qualified employer partnership introductions
Molmara Media Creative agency Scotland August 2025 to Ongoing Consistent booked meetings, calendar predictability
dmi27 IT services England November 2025 to Ongoing Steadier outbound rhythm, reduced founder dependency
mXm Medical Communications Medical comms England August 2024 to March 2026 Healthier mix of pipeline opportunities
Green Mop Commercial cleaning England December 2025 to Ongoing Consistent business conversations beyond referrals
Energy Assurance Battery testing lab (US) Homepage case study Doubled monthly opportunities from 7 to 15
The Best Bees Company Sustainability services Homepage case study Freed small sales team to focus only on high-quality conversations

Plus named enterprise client logos on the homepage: Goodyear, Rackspace, HackerOne, OpenEdge, SignalWire, Phunware, Bottomline, PFL, Medpanel, Veem, FusionStorm.

Two things stand out. The client range is broad (senior care to renewable energy to fintech to industrial), and the multi-year retention is real. Amada Senior Care at 3+ years with 4 SDRs is substantive. And the case study specificity beats vague "boosted pipeline" claims.

The caveat is worth flagging. Most Clutch reviews are from smaller SMB clients (under $10K project size dominates), even though Leadium markets enterprise credibility with Goodyear and HackerOne. Ask specifically about enterprise engagement structure vs. SMB engagement structure. They may be different beasts.

Leadium Limitations to Consider Before Signing

Every agency has trade-offs, and it's better to know them before you sign. Here are the ones I found from public information and reviews.

  • The Clutch (5.0) to G2 (4.3) rating gap: 76 verified Clutch reviews with a Premier Verified badge tell a very positive story. G2 tells a different one with recurring flags on lead quality, miscommunication, poor customer support, insufficient training, and high turnover. When independent review platforms diverge like this, it usually reflects reviewer selection dynamics (Clutch reviews often solicited through structured flows). Ask them directly to address the G2 tags.
  • Historical vs. current organization: Leadium was previously a 550+ employee global company. They deliberately restructured to a ~60-person 100% US-based boutique. That means client experience today differs meaningfully from client experience 3+ years ago. Any Clutch review from 2022 or earlier reflects the pre-restructure agency.
  • The "100% US-based" claim conflicts with their Clutch office listing: Clutch shows Leadium's locations as Las Vegas (HQ), Kyiv (Ukraine), and Santo Domingo (Dominican Republic). Their marketing says 100% US-based delivery. Ask specifically which offices are active in client accounts today.
  • No performance guarantees: Leadium explicitly does not guarantee sales appointment outcomes (per their pricing page): "we do not provide performance guarantees for the outcomes of our outbound sales efforts." That is honest, but it means retainers are paid regardless of results.
  • Qualification standard is low: "If a prospect agrees to connect on a sales call, we consider it qualified" per their pricing FAQ. That is a booked-meeting bar, not a BANT-qualified bar. Ask about SAL and SQL conversion rates.
  • SMB-dominant Clutch reviews vs. enterprise-heavy marketing: Most Clutch project sizes are under $10K, but marketing emphasizes Goodyear, Rackspace, and HackerOne. Ensure the engagement scope you get matches what enterprise clients actually get, if enterprise is your context.
  • Calibration friction in the first 7-10 days: Sales So documented "messaging might need 2-3 rounds of edits to sound like your brand." Also called out "rare but serious failures" including reports of emails with misspelled names or broken links. Plan for hands-on approval in weeks 1-2.
  • Founder-brand dependency and key-person risk: Multiple Clutch reviewers cite founder involvement as a differentiator. That is a signal of hands-on service but also a risk. If Kevin Warner or Sergey Olexa become unavailable, ask what happens to account continuity.

None of these should rule Leadium out on their own. But if two or more matter to you, compare agencies that answer these questions on their public profiles. 

If you want a competitor perspective, my Callbox review covers a much larger operator with genuine APAC/EMEA coverage.

Leadium Alternatives: Certified Forge Experts Worth Considering

Do not Google "SDR agency" and pick the first result. Compare a few agencies whose practices you can actually verify. 

The Forge Expert Network is a directory of agencies certified on the Forge ecosystem. Certification requires completing Salesforge's cold email training and meeting program eligibility requirements, so every listed agency has a disclosed, modern outbound stack.

Here are three certified agencies matched to different Leadium gaps.

1. Outbound Pros

Best for: Buyers who want Leadium's US-based delivery but with a stronger performance guarantee instead of a pure retainer.
Forge rating: 5/5

This is the direct answer if Leadium's "no performance guarantee" clause makes you uncomfortable. Outbound Pros runs multi-channel outbound (email, LinkedIn, cold calling, PPC) with a guarantee of 50 to 75 qualified meetings per month on a commission-based pricing structure. Their profile also states dedicated owned domain infrastructure with documented SPF, DKIM, and DMARC setup.

For a similar or lower monthly cost, you get a meeting volume commitment Leadium will not sign.

2. Growth Alliance

Best for: $5M to $50M ARR companies that want to keep the system after the engagement ends.
Forge rating: 5/5

Choose this one if you want Leadium's boutique founder-led approach but with clearer exit terms and knowledge transfer built in. Growth Alliance offers programs from $10K/month with 60-day rolling cancellation and a 90-day sprint methodology.

Their profile says systems are built to become the client's own and keep running afterwards, and that they cap engagements at four to six clients with 100 to 120 hours each per month. Their case study reports founder Spencer Tahil running 1,000+ client domains and mailboxes above a Heat Score of 89. That is more infrastructure ownership than Leadium promises.

3. SalesAR

Best for: Buyers who want Leadium's boutique-agency model but with published entry pricing and European market coverage.
Forge rating: 5/5

Look here if Leadium's US-only delivery blocks European campaigns. The SalesAR profile publishes a starting price of $2,500 per month (below Leadium's $3,500 entry) and lists EU and US markets against Leadium's US-only footprint.

Their profile reports 700+ clients served, 30,000+ appointments set, and an 80% contract renewal rate. It carries a named client testimonial from Akridata reporting 190+ appointments and a rise in closed-won deals.

Prefer Not to Hire an Agency at All?

Two routes skip the agency entirely.

Run outbound yourself with Salesforge. It starts at $48 per month with unlimited mailboxes and free warmup included, plus a 14-day free trial.

Or hire Agent Frank, Salesforge's autonomous AI SDR, from $499 per month billed quarterly. He handles prospecting, sequencing, replies, and meeting booking on his own. He is a separate subscription, and he needs a demo plus a two-week warm-up before he can send.

Questions to Ask Before Hiring Leadium

Take these into your discovery call. Their answers will tell you more than any review, including this one.

  1. How do you explain the gap between your 5.0 Clutch rating and 4.3 G2 rating? What are the G2 review tags on lead quality and miscommunication about?
  2. Which offices actively work on client accounts today? Are Kyiv and Santo Domingo still involved despite the "100% US-based" marketing?
  3. What is the specific qualification checklist for a booked meeting, and what percentage typically convert to SAL and SQL post-call?
  4. Who is my specific dedicated SDR, what is their tenure at Leadium, and what industry experience do they have?
  5. What is my total monthly cost for a single SDR configuration including data, LinkedIn seats, infrastructure, and setup fees?
  6. Can I speak with two callable references who signed in the last 12 months, in my industry, at my scale (enterprise or SMB)?
  7. What is the typical calibration friction you see in weeks 1 and 2? How do you handle wrong-name emails or off-target prospects?
  8. Who owns the sending domains and email infrastructure at the end of the engagement? Get it in writing.
  9. What does founder involvement look like in practice for a $3,500/month single-SDR engagement vs. a $15,000/month multi-SDR program?
  10. What happens if I decide to cancel in month 2? Any prepaid clawback? Any post-cancellation transition help for infrastructure and playbooks?

Final Verdict: Is Leadium Worth It?

Leadium is worth considering if you want a founder-led, US-only, boutique SDR partner with month-to-month flexibility, you can allocate $3,500 to $15,000/month, and you value senior US-based delivery over cheaper offshore alternatives.

Their boutique restructure is real. 30 to 35 active clients, ~60 US-based employees, and Kevin Warner's operational credibility (previous company acquired by CIENCE) give Leadium a legitimate quality-first positioning that newer agencies cannot match. And their 76 Clutch reviews with a Premier Verified badge signal a strong majority-positive client base.

But the Clutch (5.0) to G2 (4.3) rating gap is real. The G2 tags on lead quality, miscommunication, and high turnover are worth surfacing on your discovery call. The "100% US-based" marketing conflicts with Kyiv and Santo Domingo office listings still on Clutch. And their qualification standard is low (any agreed-to call counts as qualified), which means the meeting volume you get may include leads that would not convert.

I would shortlist them for a US mid-market SaaS or professional services company wanting a US-only senior SDR program with month-to-month flexibility, at $5,000 to $10,000/month for one to two dedicated SDRs. I would not shortlist them for European campaigns, high-volume programs above 30 meetings/month, or buyers who need strong performance guarantees.

If you need European delivery, pay-per-performance pricing, or infrastructure ownership guarantees, compare certified agencies that already publish those terms.

Frequently Asked Questions

1. Is Leadium a Legitimate Company?

Yes. Leadium, Inc. is a Delaware-registered corporation, actively formed November 29, 2016. Headquartered in Las Vegas, Nevada, with founder and CEO Kevin Warner (previous company Leadware acquired by CIENCE). The company employs approximately 60 people (down from a historical 550+ globally after a deliberate restructure to a US-only boutique model). Named clients include Goodyear, Rackspace, HackerOne, Amada Senior Care, and Hallmark Luxury Care Homes. Clutch verified 48 client reviews with 5.0 stars and issued a Premier Verified badge. NGLCC-certified (LGBTBE).

2. How Much Does Leadium Cost?

Leadium starts at $3,500/month for a dedicated cold-calling SDR (per G2 disclosure). Typical engagements range from $3,000 to $15,000/month depending on the number of SDRs, target markets, and channels. Most common Clutch project size is $10,000 to $49,999. One reported large engagement ran 98,000over6months(~16,000/month). Contracts are month-to-month with no long-term lock-in.

3. Does Leadium Guarantee Leads?

No. Per Leadium's pricing page: "We do not provide performance guarantees for the outcomes of our outbound sales efforts." They do offer a 100% accuracy guarantee on lead generation research data, but not on appointment volume or outcomes. The month-to-month contract structure is the closest thing to a performance signal (you can cancel in 30 days if quality is off).

4. Why Does Leadium Have a Higher Clutch Rating Than G2?

Leadium sits at 5.0 stars across 76 Clutch reviews (Premier Verified) and 4.3 stars on G2 with more mixed feedback. G2 reviewer tags flag "Poor Lead Quality (3), Miscommunication (2), Poor Customer Support (1), Insufficient Training (1), High Turnover (1)." The gap often reflects reviewer selection dynamics. Clutch reviews are frequently solicited through structured flows; G2 skews more organic. Ask them directly to address the G2 tags in your discovery call.

5. Who Is Kevin Warner?

Kevin Warner is Founder and CEO of Leadium. His background includes founding team roles at WayUp (Y Combinator) and MOKO (ASX to Nasdaq $30M exit). He is a former Extole team member. He founded Leadware, which was acquired by CIENCE. He runs the Sales Transformation Podcast. Warner has spent 12+ years in B2B lead generation and outbound sales, and led over 1,500 client programs before deliberately restructuring Leadium from 550+ employees to a boutique US-only model.

6. What's the Difference Between Leadium and CIENCE?

Kevin Warner's previous company, Leadware, was acquired by CIENCE, giving Leadium's founding team direct experience with CIENCE's model. Leadium deliberately positions itself as the opposite of CIENCE: boutique instead of scale (30 to 35 active clients vs. thousands), US-only instead of hybrid US/Philippines, founder-led instead of large-team. Different bet on how quality SDR delivery should be structured. My CIENCE review covers the larger competitor if you want to compare directly.

7. What Are the Best Leadium Alternatives in 2026?

Three certified agencies in the Forge Expert Network answer specific gaps. Outbound Pros offers commission-based pricing with a 50 to 75 qualified meetings monthly guarantee (something Leadium will not sign). Growth Alliance builds systems clients keep after engagement with 60-day rolling cancellation. SalesAR publishes a $2,500 starting price with EU + US coverage. For smaller volumes, running Salesforge in-house from $48/month is a leaner alternative.

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