Looking for a partner to scale outbound prospecting, fill your sales pipeline, and book more qualified meetings? Below are the best Singapore B2B outbound sales agencies that specialize in outbound sales, appointment setting, and lead generation.

SalesCaptain runs outbound sales and demand generation programs across various locations, including Singapore, 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
Check them out: https://www.salescaptain.io/


Cunvert Copy is a specialist cold-email and campaign copy provider that builds and runs ongoing B2B cold-email systems for clients. Cunvert is a hands-on operator: strategy, targeting, high-quality copywriting, A/B testing, and weekly optimization to lift reply rates and deliver a steady stream of interested responses. Their founder-led approach highlights message design, inbox deliverability, and ongoing campaign tuning. Cunvert focuses heavily on cold email as an outbound channel, and pitches itself as a partner for teams that want to scale outreach without building a full internal SDR function.
Highlights
Check them out: https://cunvertcopy.com/

SDR.sg is a Singapore-headquartered sales development agency focused on building predictable pipeline and booking qualified meetings for B2B tech firms across APAC. They operate like an extension of your sales team (dedicated team / SDRs), owning outbound outreach, appointment setting and performance reporting so internal teams can focus on closing deals. Their playbooks emphasise clean contact data, KPIs and close alignment between sales and marketing teams to maximise ROI.
Highlights
Check them out: https://sdr.sg/

Konsyg is a Singapore-founded sales outsourcing partner that runs full outbound programs - from market mapping and contact data enrichment to cold calling, cold email and appointment setting. They offer a dedicated team model to act like your in-house SDRs and emphasize a predictable pipeline and data-driven strategies to generate sales qualified leads and meaningful conversations for sales teams.
Highlights
Check them out: https://konsyg.com/sg/

Callbox operates a Singapore office and offers phone-first appointment setting alongside multi-channel outbound campaigns. Their teams combine human research, cold calling expertise and email / social touches to deliver high-quality appointments and a steady stream of sales opportunities for B2B clients.
Highlights
Check them out: https://www.callbox.com.sg/

MemoryBlue (formerly Operatix) is a global outsourced SDR agency with a team based in Singapore focused on B2B software and SaaS vendors. They deliver dedicated SDR teams, market entry support in APAC, ABM-informed outbound strategies and pipeline generation services that aim to produce consistent results and predictable pipeline growth.
Highlights
Check them out: https://operatix.net/lead-generation-in-apac/

The Scalelab operates in Hong Kong and Singapore and specialises in multi-channel outbound lead generation using cold email, LinkedIn and phone calls. They combine targeted list building, message testing and a relentless focus on response rates to deliver high quality leads and regular qualified meetings for in-market growth.
Highlights
Check them out: https://www.thescalelab.com/

Growth Rhino is a Singapore-based outbound lead generation agency that builds cold-email engines, runs appointment setting and supports B2B sales development. They focus on targeted outreach, messaging algorithms and data enrichment to generate qualified leads and more leads that convert into new customers.
Highlights
Check them out: https://www.growthrhino.com/outsourced-sales-agency-singapore

iSmart Communications is a Singapore-based agency that combines AI and human outreach for B2B lead generation, appointment setting and telemarketing. Their site explicitly positions them for Singapore & Asia campaigns and highlights ABM, telemarketing, email marketing and multi-channel outreach to boost pipeline and deliver sales qualified leads.
Highlights
Check them out: https://ismartcom.com/

Scenes City is a Singapore-headquartered telemarketing and lead generation company offering phone-led outbound services, list building and appointment setting. Their human-led calling teams are used by local businesses that rely on phone calls to reach decision makers and generate qualified meetings.
Highlights
Check them out: https://scenescity.com/

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:
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!


