Top 10 Best Outbound Sales Agencies in London
- Sophie Ricci
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Finding the right outbound sales partner in London can feel like looking for a needle in a haystack. There are dozens of agencies promising leads, meetings, and revenue — but most of them overpromise and underdeliver.
Here’s the thing: 80% of B2B sales interactions now happen through digital channels, yet most companies still rely on outdated outreach tactics. If your pipeline is running dry or your team is spending too much time prospecting instead of closing, this guide is for you.
We’ve curated the top 10 outbound sales agencies in London — ranked by expertise, pricing transparency, and B2B specialization. Whether you’re scaling fast or just starting your outbound motion, this list will save you weeks of research.
And if you want a quick shortcut? Salesso is our top pick — a full-service lead generation agency that runs your entire outbound engine across cold email, LinkedIn, and cold calling. But read on to see all your options.
Top 10 Best Outbound Sales Agencies in London
Salesso — Best Overall for Full-Service Outbound
If you want one agency that handles everything — targeting, campaign design, and scaling — Salesso is the answer. Salesso is a done-for-you lead generation agency that runs outbound campaigns across cold email, LinkedIn outreach, and cold calling.
What sets Salesso apart is the complete outbound system they build for you. They don’t just send emails — they research your ideal customer profile, design your full campaign sequence, and scale what’s working. Think of it as having a dedicated outbound team without the overhead of hiring one.
Cold email achieves an average ROI of 4,200% when done right (Litmus, 2024). Salesso makes sure you’re on the right side of that statistic.
Best for: B2B companies that want a predictable pipeline without managing the process internally.
Explore their approach to outbound lead generation and see what a full-funnel campaign looks like.
🚀 Build a Pipeline That Fills Itself
Salesso designs, runs, and scales your outbound campaigns — email, LinkedIn & calling — from day one.
Sopro — Best for Multi-Channel Managed Prospecting
Sopro is one of London’s biggest names in managed outbound. They blend technology with a 300-person expert team to handle email, LinkedIn, and social advertising at scale.
Their platform provides live prospect lists built to your exact ICP, with a dashboard to track engagement in real time. Clients report call rates of 1.5 per day from qualified leads — a result of their precision targeting approach.
Sopro scores a 95% positive sentiment on major review platforms. The trade-off? They’re premium-priced. Best suited for companies where the average deal value exceeds £50,000.
Best for: SaaS and tech companies looking for high-quality managed prospecting.
Punch! — Best for Enterprise ABM Campaigns
Punch! is the go-to agency for enterprise organizations running Account-Based Marketing (ABM) strategies. They focus on complex, multi-stakeholder deals in UK and EU organizations.
Before a meeting is booked, Punch! conducts deep research — firmographic, technographic, and intent data — so your sales team walks into every call knowing exactly what the prospect needs. Their client list includes Amazon and Fujitsu.
Best for: Enterprise firms running high-value, long-cycle B2B deals.
earl Lemon Leads — Best for Startups and Lean Teams
Pearl Lemon Leads is the fast-moving, hustle-heavy option for startups and small B2B teams. They specialize in cold outreach, LinkedIn lead generation, and appointment setting for companies that need results without a long onboarding process.
Pricing starts at $1,000 minimum with hourly rates of $50–$99 — one of the most accessible options on this list. High ratings on Clutch for communication and proactiveness.
Best for: Founders and small sales teams testing new markets or ICPs.
📬 Stop Losing Deals to Slow Outreach
Salesso runs your email, LinkedIn, and cold calling sequences so no lead ever goes cold again.
The Point Company — Best for Cybersecurity and Tech Firms
For technology and cybersecurity companies, The Point Company is widely regarded as the #1 choice for outbound in the UK. They deploy managed SDR teams as a seamless extension of your sales org, with measurable results.
Clients like Palo Alto Networks and Juniper Networks trust them. Results include 40% pipeline growth and 3x acceleration of the sales cycle.
Best for: Technical B2B products with complex sales cycles in cybersecurity and enterprise IT.
Curral — Best for Performance-Based Accountability
Curral’s standout feature is their results-driven contract model. You only pay the full fee when they deliver qualified appointments. For teams that have been burned by agencies before, this is a refreshing change.
Some clients have reported over £200k in pipeline from a project spend of £20,000–£25,000. They integrate seamlessly with Slack, HubSpot, and Calendly for a smooth handover process.
Best for: Teams that want accountability baked into the contract.
SalesCaptain — Best Plug-and-Play Outbound Engine
SalesCaptain is a modern b2b marketing agency that builds an AI-powered outbound system for mid-market SaaS companies. They handle everything from ICP research and lead sourcing to inbox warm-up and deliverability.
Consider this: 70% of salespeople stop after just one email — SalesCaptain’s automated sequences ensure 5–12 touches happen consistently. Pricing starts around $3,500/month.
Best for: Mid-market SaaS companies wanting a reliable weekly SQL flow.
🎯 Turn Cold Contacts Into Warm Meetings
Our targeting + campaign design + scaling system delivers consistent qualified meetings every week.
MarketMakers — Best for High-Volume Enterprise SDR Programs
Part of the Centrica group, MarketMakers is one of the UK’s heavyweight outbound operations. They specialize in large-scale telemarketing programs for enterprise clients in utilities, banking, and professional services.
If you need to saturate a large market fast with a high-volume SDR team, MarketMakers has the scale and data-driven infrastructure to make it happen.
Best for: Large organizations that need mass-market penetration through phone-first outreach.
Gripped — Best for Growth-Stage SaaS Full-Funnel
Gripped focuses exclusively on B2B SaaS and tech companies between £2M and £20M ARR. They align sales and marketing teams around revenue metrics — not just lead volume.
Their clients have seen results like £1.3 million in new pipeline generated in a single quarter. Pricing ranges from £3,500 to £15,000+/month depending on scope.
Best for: SaaS companies that want demand creation AND lead conversion in one agency.
SalesAR — Best for Targeted Email and LinkedIn Outreach
SalesAR rounds out our list with their expertise in tailored outreach strategies via email and LinkedIn. They’re praised for their thorough research, responsive communication, and consistent meeting quality.
Project costs typically range from $10,000–$12,000 for comprehensive programs that include sequence creation and weekly progress reports.
Best for: B2B services and AdTech companies that want personalized outreach at scale.
Quick Comparison: London Outbound Agencies at a Glance
Agency | Best For | Pricing Model | Specialization | Key Strength |
⭐ Salesso | Full-Service Outbound | Custom Retainer | Cold Email, LinkedIn, Calling | End-to-end pipeline ownership |
Sopro | Managed Prospecting | Scalable CPL/Retainer | Tech, Finance, SaaS | 95% positive review score |
Punch! | Enterprise ABM | Custom Projects | Enterprise, Multi-stakeholder | Deep prospect research |
Pearl Lemon Leads | Startups | Hourly $50–$99 | IT, Advertising | Fast deployment |
The Point Company | Cybersecurity/Tech | Custom Retainer | B2B Tech, Security | 3x sales cycle acceleration |
Curral | Performance-Led | Results-Based | UK/EMEA Expansion | Pay-on-delivery model |
SalesCaptain | Mid-Market SaaS | ~$3,500/month | SaaS, AI tools | AI-powered personalization |
MarketMakers | Enterprise Volume | Enterprise Contracts | Utilities, Banking | Massive SDR scale |
Gripped | Growth-Stage SaaS | £8k–£12k/month | SaaS, AI, Tech | Full-funnel demand gen |
SalesAR | Email + LinkedIn | $10k–$12k/project | B2B Services, AdTech | Tailored outreach |
💼 Ready to Pick the Right Agency?
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Conclusion
Choosing the right outbound sales agency in London comes down to one question: what does your pipeline actually need right now?
If you need speed and a full system built from scratch — Salesso is your answer. If you have enterprise ABM requirements — look at Punch!. If you’re a startup on a tight budget — Pearl Lemon Leads gives you immediate firepower.
But no matter which direction you go, don’t ignore the fundamentals. 57% of C-level buyers still prefer to be contacted by phone, yet only 3% of buyers trust the reps they speak with. The agencies that win long-term are those that combine data precision with genuine human connection.
Want to learn more about building a full outbound motion? Check out our guides on sales development services, targeted outreach, and how to run a cold email agency model that scales.
Explore the full landscape of lead generation companies and find out what separates a leading B2B agency from the rest.
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