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 is a London-based B2B outbound & GTM agency that builds multi-channel outbound campaigns to drive demo bookings and qualified leads. They manage technical setup (domains, deliverability), contact data, personalised outreach sequences and outbound prospecting metrics so your sales team can focus on closing deals. SalesCaptain positions itself as an outsourced outbound engine that scales SDR activity and improves lead quality and meeting booking.
Highlights:
Check them out: https://www.salescaptain.io/

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

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

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

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

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

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

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

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

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