8 Best B2B Lead Generation Companies in the UK (2026 Edition)

TL;DR: We compared 8 B2B lead generation companies in the UK for software firms. Profitbl is our pick for software companies that sell big deals and want senior, phone-first UK callers, plus the same team across continental Europe. Punch! suits teams that want SDRs plus intent data from one London partner. Sopro suits teams that only want email and LinkedIn at a low entry price.

Most lead generation companies in the UK sell volume. More emails, more dials, more meetings on a dashboard. That works when your market has 50,000 buyers. It breaks when your market has 700.

Most B2B software companies selling €10K+ deals into the UK are in the second group. Their real market is a few hundred accounts. A volume agency hits those accounts again and again with the same pitch, and in a few months the market knows your name for the wrong reasons.

Below are 8 firms worth a call. We picked them for a real UK presence and a record with B2B tech or software clients, and we say plainly where each one is weak. If you sell beyond the UK, start with our list of the best sales outsourcing companies in Europe.

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What makes a great lead generation partner in the UK

Six things separate the agencies worth hiring from the rest.

Local UK callers. UK buyers pick up the phone and talk easily. A local, senior caller turns that into a meeting.

Seniority. Interested UK buyers often push a demo out 6 to 8 weeks. Closing for a firm date takes experience.

Phone first. Email reaches the inbox. The phone reaches the person. For enterprise accounts, you need both, led by the phone.

Software only. An agency that books meetings for energy brokers on Monday won't hold a credible software conversation on Tuesday.

Real data and local mobiles. UK mobile coverage is patchy for some roles. You need direct UK mobile numbers, from more than one source.

Live visibility. You should see every call, number and objection as it happens, in your own CRM.

At Profitbl, every UK campaign runs on a local UK SDR with 8+ years in sales, calling from local mobile numbers. You see live numbers in our platform and get the data in your CRM. Want to know what that is worth to your pipeline? Run your numbers in our
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Why volume agencies burn the UK market

Here's the number that changes how you buy lead generation. One client of ours assumed it had 3,000 to 4,500 target accounts in the UK. When we checked official ONS business counts, the real number was 725.

That gap is why volume hurts. A VP of business development told us, after a pitch from a large US agency: "I'm a bit afraid of kind of burning the market." He was right to be. With 725 accounts, every bad call is a door you may not get to open again.

The second problem is what we call the lottery. Large agencies sell you their brand, then assign whoever is free. One buyer told us the same agency got great results for his product in Italy and horrible results in Germany. Same company, different team.

The fix is fewer, better calls. Senior callers who research the account, reach the real decision maker and open with something specific to that business. Public Companies House filings make good triggers. One UK software firm we spoke to builds its calls around them, so each call lands at the right moment.

Data is the last trap. In our internal study of 15,000 contacts across Europe, UK retail marketing leaders had mobile numbers for fewer than 30% of contacts. Bad numbers burn calls you can't get back. On one recent UK list, a well-known provider returned Kenyan, US and South African numbers for people based in London. We compare UK data sources in our guide to the best data providers for UK retail marketing.

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Why one partner for the UK and Europe beats two

Most software companies selling into the UK will sell into continental Europe next. Hire a London-only agency and you will need a second agency later, with a second onboarding and a second report.

There is a timing reason too. The UK keeps working through August, while much of continental Europe goes quiet. One partner with callers in both can keep your pipeline moving all year.

And there is the handoff. A UK firm we spoke to hired a native German caller for Germany, then ran the meetings in English. "We just blew leads," they told us. One partner with native callers in each market avoids that.

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The 8 Best B2B Lead Generation Companies in the UK

1. Profitbl

Best for: B2B software companies selling €10K+ deals that want senior, phone-first UK callers and the same partner across Europe.

Profitbl is a sales outsourcing company based in Luxembourg. It works only with B2B software companies. Its UK campaigns run on local UK SDRs with 8+ years in sales, calling directors and C-level buyers at enterprise accounts from local UK mobile numbers.

It runs on its own software. Clients see the live numbers as the campaign runs, and the data flows into their own CRM. Weekly reports add the objections and what the market is saying.

The results are public on the case studies page. An EdTech SaaS selling into the UK and the Netherlands got 62 qualified meetings and €744K of pipeline in 8 months, and doubled its contract after 3 months. An AI consultancy selling across the UK, France and Benelux built €1.4M of pipeline over 13 months. A two-person cybersecurity startup selling to UK and Swiss MSPs built €500K of pipeline in 90 days.

The first 3 months are a pilot. If Profitbl books fewer than 4 qualified meetings a month from month 2, you can leave without notice.

Rickard, Sales Manager, Fibbl

Strengths:

• Local UK SDRs with 8+ years in sales

• Phone first, from local UK mobile numbers

• Live numbers for the client, data synced to your CRM

• B2B software only

• Native callers in France, Germany, Austria, Switzerland and Benelux too

Services:

• Outsourced SDRs for B2B SaaS in the UK, Ireland and continental Europe

• B2B cold calling, email and LinkedIn

• ICP, messaging and go-to-market planning

• 2-week market test sprint

Website | Case Studies | Contact

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2. Operatix

Best for: Enterprise software vendors that want a large, multilingual EMEA SDR team.

Operatix runs outbound and inbound SDR programmes from London, with offices in the US and Singapore. It has joined forces with memoryBlue, a US firm, and says it has more than 300 SDRs. Its clients are B2B software vendors.

It publishes big-company results. For Accolite, it reports over $30 million in pipeline. For Airbnb, it reports 106% of goal.

The trade-off is scale. Operatix now works alongside a large US brand, and smaller accounts may not get its most senior people. Ask who will run yours.

Strengths:

• Software vendors only

• Large multilingual team

• Enterprise case studies

Services:

• Outbound SDR programmes

• Inbound lead qualification

• Channel programmes

Website | Case Studies | Contact

3. Punch!

Best for: Mid-market and enterprise tech firms that want SDRs, intent data and ABM from one London partner.

Punch! is a London agency founded in 2011, with more than 90 specialists. It combines human SDRs with intent data, ABM and AI-driven outbound. SaaS is one of its named sectors.

Its case studies carry numbers. It reports £760K of pipeline in 3 months for Basware, 113 sales-qualified leads for Expleo and 56 sales opportunities in 4 months for Lumi.

Its SDR service runs on a 90-day rolling basis, and it recommends 12 months. Its site doesn't say where its SDRs sit, so ask.

Strengths:

• Published results with numbers

• Intent data and ABM in one place

• 15 years in UK B2B

Services:

• Outsourced SDRs

• Intent data

• Account-based marketing

• AI-assisted outbound

Website | Case Studies

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4. Air Marketing

Best for: SaaS scale-ups that want an onshore UK SDR team working inside HubSpot.

Air Marketing is an Exeter agency that has worked with B2B firms since 2016. It runs outsourced SDRs, telemarketing, inside sales and HubSpot RevOps. Cleverep, part of the Air Group, adds European outbound.

Some of its case studies are strong. It reports £500K of revenue in 6 months for Colossyan and £28M of pipeline in 6 months for Rakuten.

Its client mix is broad, from energy to education, and many case studies carry no numbers. Ask for a software case close to yours.

Strengths:

• Onshore UK team

• HubSpot expertise

• European reach through Cleverep

Services:

• Outsourced SDRs

• Telemarketing

• Inside sales

• HubSpot RevOps

Website | Case Studies | Contact

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5. WHAM (We Have A Meeting)

Best for: UK-only, call-led meeting booking with a clear monthly target.

WHAM is a UK agency led by its founder, Jack Frimston. It runs call-led outbound, plus sales consulting and training for in-house teams.

Its packages are built around a monthly meeting target. That gives you a clear number, but it also pulls the agency toward volume. Agree up front what counts as a qualified meeting.

WHAM works in the UK only and publishes no pipeline case studies.

Strengths:

• Phone-led

• Founder-led

• Sales training on offer

Services:

• Outbound calling

• Appointment setting

• Sales consulting and training

Website

6. Sopro

Best for: Teams that want email and LinkedIn reach at a low entry price, with no calling.

Sopro is a Brighton company founded in 2015, with offices in Skopje and Miami. It runs email, LinkedIn, display ads and gifting campaigns. It doesn't sell calling.

Its pricing is public: from around €3,400 a month, with no minimum contract. It reports one client closing a deal worth more than £500,000.

Sopro is an email-led volume model. That suits large markets. If your UK market is a few hundred accounts, think hard before you send at volume, and ask where your campaign team sits.

Strengths:

• Public pricing

• No minimum contract

• Multichannel digital reach

Services:

• Cold email

• LinkedIn outreach

• Display ads

• Gifting

Website | Case Studies | Contact

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7. Virtual Sales

Best for: Smaller IT, MSP and SaaS firms that want UK calling on short contracts.

Virtual Sales is a Horsham agency founded in 2001 by Andy Dickens, who works with a team of associates. It runs telemarketing and appointment setting for software, SaaS, MSP and IT services firms.

It offers short contracts and a telemarketing subscription. Its case studies carry no numbers, and the team is small.

Strengths:

• 25 years in IT telemarketing

• Short contracts

• Founder involved in delivery

Services:

• Telemarketing

• Appointment setting

• Telemarketing subscription

Website | Case Studies | Contact

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8. Blue Donkey

Best for: Brand-sensitive firms that want unscripted UK calling, where tone matters more than volume.

Blue Donkey is a Cambridgeshire agency with about 25 years of B2B telemarketing. Its callers work without scripts, and it gets GDPR opt-in as standard.

Technology is one of eight sectors it serves. It publishes no pricing and no case study numbers. It does telemarketing only, so you will need other channels elsewhere.

Strengths:

• Unscripted, natural calls

• Long track record

• GDPR opt-in built in

Services:

• B2B telemarketing

• Appointment setting

• Data cleansing

Website

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How to choose the right lead generation company in the UK

Seven checks, in the order we'd run them.

1. Count your real market first

Before you talk to any agency, count the UK accounts that fit your ICP. If the number is in the hundreds, rule out volume models now.

2. Ask who will make the calls

Ask for the name, the years in sales and the years selling software of the person on your account. You are hiring the person on the phone, whatever brand is on the contract.

3. Ask how they screen TPS and CTPS

Under ICO guidance on B2B marketing, you must screen live B2B calls against both the TPS and CTPS registers. A good agency names the step. A vague answer is a risk you carry.

4. Ask what you can see, and when

A monthly PDF is too late. Ask for live numbers and for every call, outcome and objection to land in your CRM.

5. Check the software track record

Ask for a UK case with a deal size close to yours. Booking meetings for a £500 tool and a £50K platform are different jobs.

6. Plan for Europe now

If continental Europe is on your roadmap, ask whether the agency has native callers there. Changing partners in a year costs more than choosing well today.

7. Start with a test

A short sprint or a 3-month pilot tells you more than any sales deck. If you want a scorecard to compare agencies side by side, the SDR Services Selection Framework walks through each criterion. Our guide on how to choose a sales outsourcing agency in Europe covers the full checklist.

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Frequently Asked Questions

How much does a B2B lead generation agency cost in the UK?

Sopro, an email-led agency, starts at around €3,400 a month. Phone-led SDR programmes usually cost more, and most UK agencies quote on request. Our sales outsourcing pricing guide shows what each model gets you.

Is B2B cold calling legal in the UK?

Yes. You can make live B2B sales calls, but you must first screen numbers against the TPS and CTPS registers and your own do-not-call list, according to the ICO. You can't call a CTPS-registered number unless that business has agreed to hear from you. This is general information, not legal advice.

Can I send cold emails to UK businesses?

The ICO says the PECR email rule does not apply to corporate subscribers, so B2B cold email to company addresses is allowed. UK GDPR still applies to named work emails, and every email needs a clear opt-out. Sole traders and some partnerships count as individuals. The ICO notes this guidance is under review after the Data (Use and Access) Act, so check before you scale. This is general information, not legal advice.

Should I hire an SDR in the UK or outsource?

According to ONS earnings data for 2025, the median business sales executive in the UK earns £37,924 a year in base pay alone, before employer costs, commission and tools. Add hiring time and ramp-up, and outsourcing usually gets you calling faster. See what it costs to hire an SDR in Europe.

How long does it take to get meetings in the UK?

Plan for 3 months before you judge the channel. One EdTech client of ours was booking qualified meetings within 6 weeks. But UK buyers often push demos out 6 to 8 weeks, so meetings booked in month 1 may land in month 2.

Should I choose a London agency or a European one?

Choose by your roadmap. If you will only ever sell in the UK, a strong UK agency is enough. If continental Europe comes next, pick a partner with local callers in the UK and native callers across Europe, so you run one campaign and one report.

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Profitbl: senior UK callers, one partner for Europe

Most lead generation companies in the UK sell volume to markets that are smaller than they look. We put a senior local caller on your account, call your real decision makers from local UK numbers, and show you every number live in your own CRM. When you expand to the continent, the same team goes with you.

Before you shortlist anyone, score each agency with the SDR Services Selection Framework. If you want to see how this applies to your pipeline, book a 30-minute call.