Top 10 Best Outbound Sales Agencies in the United Kingdom

The UK B2B market is highly competitive - especially across London, Manchester, and tech hubs nationwide. Scaling outbound prospecting requires more than cold emails; it demands compliance-aware messaging, structured SDR execution, and data-driven targeting. Below are the top outbound sales agencies in the United Kingdom that specialize in appointment setting, lead generation, and building predictable revenue pipelines.

SalesCaptain (Forge Expert Certified)

SalesCaptain runs outbound sales and demand generation programs across various locations, including the UK, focusing on cold outreach, intent data, and multi-channel sequences that generate pipeline and qualified meetings for B2B companies. They combine automation with human follow-ups to avoid irrelevant leads and keep quality conversations flowing.

Highlights

• Cold prospect outreach: cold email + LinkedIn + follow ups (multiple times).
• Uses intent data and buying signals to prioritize target accounts.
• Tracks sales pipeline and moves leads through the sales process.
• Focus on qualified leads, meeting booking and booked meetings.
• Works as sales outsourcing / SDR extension for marketing teams.

Check them out: https://www.salescaptain.io/

Let's Fearlessly Grow (Forge Expert Certified)

Let’s Fearlessly Grow (LFG) builds and runs AI-personalized outbound systems that combine intent data, LinkedIn outreach, cold email, deliverability engineering and human-quality personalization to drive predictable sales pipeline and revenue growth. They offer a Done-For-You service (outsourced outbound / sales outsourcing) and Done-With-You workshops to upskill sales teams and embed account-based marketing + multichannel outbound strategies.

Highlights

• End-to-end lead generation, intent-led targeting and appointment setting.
• Done-With-You workshops.
• Focus on high quality prospects, meaningful conversations and qualified leads.
• Emphasis on the right tools to reduce disconnected tools and scale outreach across channels.
• Strong case studies showing meetings booked, pipeline uplift and improved sales performance.

Check them out: https://www.letsfearlesslygrow.io/

Punch!

Punch! (aka Punch B2B) is a UK B2B outbound marketing agency that combines sales development teams, account-based marketing and AI-driven intent signals to run targeted outbound campaigns. They focus on outreach that generates qualified leads, books booked meetings with the right buying committees, and feeds a predictable pipeline for mid-market and enterprise clients. Their mix of human SDRs + data + platform orchestration helps align sales and marketing teams and turn outreach into meaningful conversations.

Highlights

• Specialist in outbound lead generation and account based marketing.
• Booked meetings & appointment setting with enterprise prospects.
• Uses market research and buyer intent for targeted outreach.
• SDR teams + multichannel (email, phone, LinkedIn) sequences.
• Focus on quality leads, conversion rates and predictable pipeline.

Check them out: https://www.punchb2b.com/

Konsyg

Konsyg offers outsourced sales functions across the UK: research-driven lead generation, sales development representatives on-demand, and appointment setting that hands over qualified appointments to your closers. They position themselves as a reliable partner to increase leads generated, reduce overhead costs of hiring an internal team, and scale outreach efforts across various industries.

Highlights

• Outsourced SDR teams and appointment setting services.
• Focus on delivering high quality leads and qualified meetings.
• Tailored outreach and targeted outreach to your ideal customer profile.
• Campaign management, timely communication and KPI tracking.
• Helps integrate with your CRM and in-house sales process.

Check them out: https://konsyg.com/uk/

Pearl Lemon Leads

Pearl Lemon Leads is a London-based agency that runs outbound lead generation, cold outreach and LinkedIn lead generation to generate qualified leads and booked meetings. They combine list building, personalized email outreach and social selling to create meaningful conversations with potential customers and expand brand visibility across the UK.

Highlights

• Specialises in LinkedIn lead generation and cold email outreach.
• Appointment setting and meeting booking for B2B clients.
• Tailored marketing strategies and targeted outreach by buyer persona.
• Focus on lead quality, measurable results and conversion rates.
• Works across multiple industries for scalable pipeline building.

Check them out: https://pearllemonleads.com/outbound-lead-generation-agency/

Outbound Solutions Limited

Outbound Solutions Limited (OSL) is a UK business-development consultancy focused on lead generation and appointment setting. They run multi-channel outbound campaigns - phone, email and research - to set qualified appointments for in-house sales teams and help companies avoid wasted outreach and vanity metrics by focusing on quality conversations.

Highlights

• Proven B2B appointment setting and telemarketing experience.
• List building, data cleansing and market research for accurate targeting.
• Cold calling specialists that set qualified appointments.
• Emphasis on quality leads and measurable outreach efforts.
• Works as a sales outsourcing partner to expand internal resources.

Check them out: https://www.outbound-solutions.co.uk/

Beyond Codes

Beyond Codes offers UK B2B lead generation and appointment setting with an emphasis on research-led prospecting and multilingual outreach when needed. They position themselves to generate qualified leads and deliver high quality leads via tailored outreach, personalized email outreach and phone calls that match your target audience and buyer personas.

Highlights

• Research-driven contact development and list building.
• Appointment setting and multi-channel outreach (email + phone).
• Focus on lead quality and measurable KPIs (leads generated, meetings).
• Tailored solutions for mid-market and enterprise clients.
• Integrates outreach with client CRM and sales process.

Check them out: https://uk.beyondcodes.com/

Lead Forensics

Lead Forensics (UK-founded) identifies anonymous website visitors and turns them into actionable sales leads your outbound teams can follow up on. While not a pure telemarketing agency, Lead Forensics feeds outbound lead generation programs with contact data and prioritised accounts so sales development and appointment-setting teams can target the right prospects and drive booked meetings.

Highlights

• Reveals anonymous visitors to generate targeted outbound opportunities.
• Data that improves lead quality and shortens the sales funnel.
• Ideal for aligning marketing efforts with outbound sales outreach.
• Helps create timely, personalized outreach to high-priority accounts.
• Integrates with CRM for seamless follow-up by SDRs or sales teams.

Check them out: https://www.leadforensics.com/

Spring Drive

Spring Drive blends GTM engineering with outbound strategies - list building, targeted outreach, appointment setting and campaign management - for B2B tech clients. They help clients scale sales development and outbound lead generation while focusing on operational efficiency and predictable pipeline metrics. Good fit for companies that want a tech-forward, data-driven partner.

Highlights

• Outbound + GTM engineering for B2B tech and SaaS.
• Campaign optimisation, targeted outreach and SDR support.
• Focus on measurable outcomes: leads generated and qualified meetings.
• Tailored outreach and market research to define target audience.
• Works as an outsourced sales partner to free internal teams to close.

Check them out: https://www.springdrive.co/

Senior Response

Senior Response offers both inbound and outbound appointment setting for UK businesses, with a focus on converting enquiries into high quality meetings. Their services include trained callers, appointment booking, and nurturing follow-ups so sales teams receive qualified leads ready for the next stage of the sales process.

Highlights

• Appointments that convert: outbound appointment setting and follow ups.
• Trained callers focused on senior decision makers and quality conversations.
• Works across UK regions with timely communication and reporting.
• Reduces overhead costs of in-house caller teams through outsourcing.
• Suits businesses seeking reliable, conversion-focused outreach programs.

Check them out: https://www.seniorresponse.co.uk/inbound-and-outbound-appointment-setting/

Salesforge - An Alternative Approach To Outbound Sales

Instead of going through the hassle of dealing with an agency, why not seamlessly streamline a grand majority of the process for a fraction of the cost?

Salesforge is a cold outreach tool built for not just more outbound sales activity but more closed deals and a predictable pipeline as well.

Salesforge's highlights include:

• Multi-channel outreach (email + LinkedIn sender infrastructure).
• Warmforge - proprietary premium deliverability suite.
• Multi-mailbox / sender management (unlimited mailboxes, unlimited LinkedIn senders, unlimited shared workspaces & unlimited seats).
• Chrome extension + mobile app availability.
• Automatic AI email and LinkedIn message generation.
• Multi-source AI hyper-personalization capabilities.
• Spam / email-content checker and blacklist/IP health tools.
• Extensive integrations & campaign analytics.
• Transparent pricing.
• An optional AI SDR (Agent Frank) for prospecting and meeting booking.
• Robust documentation & responsive support.

All agencies above can run effective outbound sales activities, but if your top priority is a plug-and-play outreach tool with multi-source hyper-personalization, premium deliverability, and campaigns optimized to the fullest potential - Salesforge is the better alternative.

Try the 14 day free trial today

Or in case you still haven’t found the right option for your business, feel free to take a look at our certified Forge Experts!