Top 10 Best Outbound Sales Agencies in London

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

SalesCaptain (Forge Expert Certified)

SalesCaptain runs outbound sales and demand generation programs across various locations, including London, 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/

B2B Boosted (Forge Expert Certified)

B2B Boosted is a London-based outbound sales and lead generation agency that helps B2B tech and professional services scale pipeline through targeted prospecting and SDR execution. They blend hands-on SDR outreach, LinkedIn campaigns, and tailored messaging with CRM integrations and performance reporting to deliver qualified meetings and shorten sales cycles for UK and EMEA-focused sellers.

Highlights:

• Dedicated SDR / appointment-setting teams to act as an extension of your sales org.
• Multi-channel outreach: cold email, LinkedIn, and phone follow-ups.
• Account-based list building and personalised messaging for target accounts.
• CRM integration, campaign analytics, and KPI-driven reporting.
• GDPR-compliant UK/EU campaigns with flexible pricing and performance options.

Check them out: https://www.b2b-boosted.com/

Punch!

Punch! is a full-funnel B2B growth and outbound sales agency with offices and headquarters in London. They run SDR teams, ABM-style outreach, and multi-channel outbound prospecting (phone, email, LinkedIn and targeted gifts) to generate qualified meetings and shorten sales cycles for mid-market and enterprise clients. Their offering blends strategy consulting, sales development (SDR) execution and tightly tracked outbound sales metrics so your sales reps get high-quality leads and an immediate feedback loop to improve pipeline predictability.

Highlights:

• Dedicated SDR and outbound sales teams for B2B sales.
• Multi-channel outbound process: phone calls, email, LinkedIn, ABM.
• Focus on qualified meetings, reduced sales cycle and closed deals.
• Emphasis on sales pipeline predictability and transparent communication.
• Good for account based marketing and targeted decision-maker contact.

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

Pearl Lemon Leads

Pearl Lemon Leads is a London lead generation agency specializing in outbound B2B campaigns, LinkedIn outreach, cold calling and appointment setting. They deliver qualified meetings and help clients optimize cost per acquisition and the sales cycle via targeted outbound techniques and sales development support. Their London HQ and multiple case studies focus on measurable pipeline outcomes.

Highlights:

• Strong emphasis on cold outreach, LinkedIn and phone calls.
• Appointment setting and SDR-style sales development services.
• Focus on qualified meetings, lead quality and reducing CAC.
• Can integrate with your sales process to pass leads to reps.
• Good for B2B sales, lead generation services and meeting booking.

Check them out: https://pearllemonleads.com/

Outbound Solutions Limited

Outbound Solutions is a Shoreditch/London appointment-setting and telemarketing agency that runs phone-led outbound campaigns to reach decision makers and book qualified appointments. They provide dedicated teams for outbound prospecting, telemarketing, and sales process support - useful for companies that prefer phone-forward outreach (cold calling + follow ups) to drive business growth.

Highlights:

• Specialist outbound call centre & appointment setting in London.
• Phone calls and cold calling expertise to contact prospects and decision makers.
• Focus on qualified meetings, lead quality and sales pipeline growth.
• Outsourced sales development support and sales process integration.
• Cost-effective option for predictable outbound leads and new customers.

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

RSVP

RSVP is a London-based call centre and BPO that offers outbound telemarketing, lead generation and appointment setting from its Canary Wharf HQ. They use trained agents for outbound activities, phone calls, and follow-ups that feed your sales pipeline with high quality prospects - ideal if you want to outsource phone-centric outbound sales activities and keep transparent communication and metrics.

Highlights:

• Outbound telemarketing, cold calling and appointment setting.
• Dedicated teams and centre of excellence in London (One Canada Square).
• Focus on lead quality, contact prospects and meeting booking.
• Strong reporting on outbound sales metrics and campaign performance.
• Good for sales outsourcing and scaling sales development quickly.

Check them out: https://www.rsvp.co.uk/

The Point Company

The Point Company is a London-based outsourced SDR and outbound agency that builds digital SDR teams, runs account-based outbound prospecting and books qualified meetings for B2B tech and SaaS clients. They emphasise tailored outbound strategies, sales development operations and predictable pipeline growth for sales teams.

Highlights:

• Outsourced SDR teams and appointment setting to scale sales pipeline.
• ABM and personalised outreach to reach decision makers and drive qualified leads.
• Focus on outbound prospecting, sales development and meeting booking.
• Tactical work on contact data, messaging and outbound process optimisation.
• Aligns closely with sales reps to improve conversion and close more deals.

Check them out: https://thepointco.com/

Curral

Curral is a London-based outsourced SDR agency that deploys onshore, onsite and performance-driven sales development teams. They specialise in outbound sales development, lead generation and sales outsourcing to help companies expand in the UK and EMEA with high quality prospects and consistent outbound results.

Highlights:

• Onshore SDR teams focused on outbound prospecting and qualified meetings.
• Supports ABM, account-based outreach and targeted contact lists.
• Delivers handovers to sales reps and reduces time-to-first-contact.
• Emphasis on high quality leads, predictable pipeline and business growth.
• Useful for B2B sales, sales development and lowering customer acquisition cost.

Check them out: https://curral.london/

Callpalooza

Callpalooza is a London sales outsourcing and lead generation agency that focuses on outbound lead generation, appointment setting and personalised outreach sequences to book demos and qualified meetings for B2B teams. They combine cold calling, email outreach and data-driven targeting to improve lead quality and meeting booking rates.

Highlights:

• Outbound lead generation services: cold calling + email marketing + LinkedIn.
• Appointment setting and meeting booking for B2B sales teams.
• Small, agile London team focused on personalised outreach and fast testing.
• Directory & review evidence of London HQ and outbound expertise.
• Great for startups and scaleups wanting predictable pipeline and SDR support.

Check them out: https://callpalooza.com/

Konsyg

Konsyg operates UK/EU/Global outbound SDR and sales-as-a-service programs with UK coverage and London-facing operations. They deliver on-demand SDR teams, cold email + cold calling, LinkedIn outreach, and appointment setting to generate qualified leads and accelerate the sales cycle for B2B tech companies.

Highlights:

• SDR-as-a-service: recruit, onboard and run SDR teams for clients.
• Cold outreach (email & calling), LinkedIn outreach and appointment setting.
• Focus on qualified leads, predictable pipeline and handover to sales reps.
• GDPR-compliant campaigns for UK/EU markets and strategic insights for scaling.
• Useful for consistent results, lower CAC and measurable sales opportunities.

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

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!