11 Best B2B Lead Generation Companies in the UK [2026 Ranked]

If you've ever tried searching for "best B2B lead generation companies UK," you already know the problem: it is hard to tell how any list was put together.

This list says how it was built. We compared each agency’s service model as its own website describes it, and drew on our own experience operating in the UK B2B lead generation market.

Full transparency: ORRJO is on this list at number one. We believe we've earned that position based on our track record, our full-funnel approach, and the results we've delivered for our clients. But we've also included ten other agencies that are genuinely good at what they do, because the right partner for your business depends on your specific needs, budget, and growth stage.

Here's who made the cut, and why. Every fact about another agency below comes from that agency's own website, checked on 14 October 2026, and the sources are listed at the end.

How We Evaluated These Companies

Our Ranking Methodology and Criteria

Before we get into the rankings, it's worth explaining how we assessed each agency. We used seven criteria, weighted by what actually matters when you're investing in outsourced lead generation:

• Proven results. Can the agency demonstrate measurable outcomes? Meetings booked, pipeline generated, revenue influenced. Not vanity metrics like impressions or email opens.
• Client quality. Who are they working with? Enterprise clients suggest the agency can handle complexity. A strong client roster also signals trust and credibility.
• Channel expertise. Do they specialise in one channel (email, phone, LinkedIn) or offer multi-channel campaigns? The best results typically come from coordinated multi-channel approaches.
• Transparency. Are they open about their process, pricing, and reporting?
• Pricing model. Is pricing accessible for the market they serve? Does it align with the value delivered? We looked at whether agencies charge per lead, per meeting, monthly retainers, or hybrid models.
• Specialisation. Some agencies serve specific verticals (tech, SaaS, financial services). Specialisation often means deeper expertise and better results within that niche.
• Global reach. For UK companies selling internationally, the ability to run campaigns across multiple geographies and time zones is increasingly important.

#1 ORRJO - Full-Funnel B2B Growth Agency

The publisher’s entry. Judge it hardest.

Key Results and Stats

Overview: ORRJO is a full-funnel B2B growth agency that combines brand and content, demand generation, and lead generation under one roof. Founded in Glasgow and operating globally across the UK, Europe, North America, and the Middle East, ORRJO works with well-funded B2B companies that want brand, demand, and pipeline working together rather than in silos.

Key stats: 12,500+ meetings booked. £300M+ in pipeline generated. Active campaigns across 15 countries. Clients include Descartes, Aveni, Jua, Nezasa and Venesky Brown. Meeting attendance runs at 90%+.

Best for: B2B companies, from well funded startups through to large corporates, that want brand positioning, demand generation, and lead generation delivered as one integrated programme. Particularly strong for companies entering new markets or scaling outbound for the first time.

Pricing: From £2,500/month. The final figure depends on the volume of qualified meetings and how deep the qualification goes, set at discovery and confirmed in the proposal. Pricing is published on their website.

How ORRJO Lead Generation works · From £2,500 a month · Book a 30-minute call

Channels: Phone, email, and LinkedIn (multi-channel). Campaigns are coordinated across channels rather than run in isolation.

What Sets ORRJO Apart

HQ: Glasgow, UK. Operates globally.

What sets them apart: ORRJO's full-funnel approach. ORRJO builds the brand assets, content, and creative that make outbound campaigns more effective, then executes the campaigns, then scores and analyses the sales calls using their proprietary ORRJO AI platform. This means the creative, the messaging, and the execution are all aligned.

The other differentiator is how long clients stay. Descartes booked 120+ qualified meetings and £5M+ of pipeline in its first six months, and has since expanded the work into four business units across EMEA and North America. Aveni is in its fifth year.

If you want to see how ORRJO's approach compares to what you're doing now, book a strategy call. No hard sell, just an honest conversation about whether there's a fit.

#2 Sopro - Managed Outreach Across Email, LinkedIn and Ads

Overview: Sopro is a B2B outreach agency based in Brighton. Its about page says it was founded by Rob Harlow and Ryan Welmans in 2015 and originally focused primarily on email prospecting. Today it describes a fully managed service that “blends email, LinkedIn messaging, social display ads, phone outreach, and even physical mail”, and it also sells a demand generation service.

Best for: Sales teams that want to work every positive reply themselves. Its services page says “Positive replies come straight back to your email and LinkedIn inbox, so you can pick up the conversation and sell more.”

Strengths: Flexible terms and open reporting. Its pricing page says there is “no minimum contract” and lists a “Live 24/7 reporting portal”, and its live campaign results page says “we publish live, unedited results from every client campaign”. Its homepage says it is “trusted by 3,750+ businesses”.

Worth knowing: Your own team books the meeting. Its appointment setting page says that when prospects want to talk sales, “we hand the reins over to your team to arrange the time and close the deal.”

Pricing: Its pricing page describes its service as “starting at £3K per month”, with no minimum contract and no pricing tiers listed.

HQ: Brighton, UK.

#3 memoryBlue (formerly Operatix) - Outsourced SDRs for B2B Software Vendors

Overview: Operatix, an outsourced SDR provider that works only with B2B software vendors, now trades as memoryBlue. memoryBlue's own site says it acquired Operatix in 2023 and that Operatix “now operates fully under the memoryBlue brand”. Operatix's about page says it was founded in 2012, and its FAQ puts its European office in Fleet, UK, with bases in Dallas, San Jose and Singapore.

Best for: B2B software companies. Operatix's homepage says “Our client portfolio consists 100% of B2B Software vendors”, and its FAQ says its clients typically work in cybersecurity, business processes, big data and analytics, infrastructure, MarTech, fintech, cloud, DevOps and IoT.

Strengths: A software-only focus across regions. Operatix's FAQ says that focus means its teams are skilled in “the notoriously long and complex sales cycles of software”, and lists outbound sales development, help entering new regions “thanks to our multilingual team”, pipeline generation, appointment setting, inbound response management and channel programmes.

Worth knowing: Operatix's outbound, inbound and channel service pages now lead to memoryBlue's website, so ask which company you would be contracting with.

Pricing: Not published. Operatix's FAQ says “there is no set pricing” and points to a pipeline calculator.

HQ: memoryBlue is headquartered in Tysons, Virginia. Operatix's FAQ names Fleet, UK as its European office.

#4 Pearl Lemon Leads - Multi-Channel Lead Generation

Overview: Pearl Lemon Leads is the lead generation arm of Pearl Lemon Group. Its homepage puts its headquarters in London, with New York and San Francisco offices, and says it is part of “a bigger digital marketing agency called Pearl Lemon Group”. Its about page says it was founded in 2016 by Deepak Shukla.

Best for: Companies that want outbound and search marketing from one group.

Strengths: A wide range of channels. It runs cold email, LinkedIn outreach, cold calling and appointment setting, plus demand generation, email marketing, and PPC and SEO lead generation, and its about page says it supports clients “across Europe, North America, the Middle East, and beyond”.

Worth knowing: Its contact form lists a separate monthly starting price for each service, so you can price a programme before you call.

Pricing: Published per service on its contact form, from £1,497+ a month (Facebook lead gen, PPC lead gen and podcast outreach) to £2,497+ for cold email or LinkedIn lead generation, £2,997+ for cold calling and £3,497+ for multi-channel lead gen.

HQ: London, UK.

#5 The Lead Generation Company - Telemarketing-Led Lead Generation

Overview: The Lead Generation Company (TLGC) is a B2B lead generation and telemarketing agency. Its about page says it “has operated from its head office in Glasgow since 2012” and has since added London and Manchester offices, and its homepage says “we operate across the UK and internationally”.

Best for: Companies that want telephone-led outreach from an in-house team. Its homepage describes “our full-time, in-house team” and says its telemarketers are “unscripted in their approach”.

Strengths: Phone-led campaigns backed by its own data. Alongside telemarketing and appointment setting, it runs email campaigns and LinkedIn marketing, and it sells B2B data, so it can cleanse and use your existing data or build a custom data set to your criteria.

Worth knowing: It is not phone-only. Its lead generation page also covers event registrations and follow-ups.

Pricing: Not published on the pages we checked. Its FAQ says it tailors and customises its services to each client's needs.

HQ: Glasgow, UK, with offices in London and Manchester.

#6 TTMC (The Telemarketing Company) - Enterprise B2B Telemarketing

Overview: The Telemarketing Company (TTMC) has run telemarketing from its offices in Brighton since 1990. Its about page says it specialises in “voice-based outbound demand creation, inbound lead management, data services and pre- and post-sale telephone research”, with “over 220 seats across its dedicated telemarketing, research and inbound divisions”.

Best for: Larger organisations, including those in regulated industries, that want unscripted telephone outreach. Its about page says many of its clients are “industry leading blue-chip organisations working in regulated industries”.

Strengths: Multilingual calling and compliance. Its multilingual page says it provides its services “in 25+ native languages”, and its how we work page lists ISO27001:2022 information security certification and agents “trained to ISM/MRS standards”. Beyond telemarketing, it offers outsourced SDRs, account based marketing, data cleansing and enrichment, and market research.

Worth knowing: Its pricing FAQ says that, unless it is running a large team for you, any engagement can be ended “at any stage after the first four weeks, for any reason, by giving ten working days' written notice”.

Pricing: Hourly rate, not published. Its pricing FAQ says it works “to an hourly rate” rather than per lead, charges a standard set-up fee, and has a minimum engagement of 210 hours, or 6 weeks, for lead generation or demand generation work.

HQ: Brighton, UK.

#7 Air Marketing - Outsourced SDR and Telemarketing

Overview: Air Marketing is an outsourced sales and lead generation agency based in Exeter. Its homepage says that since 2016 it has “helped B2B businesses in the UK and internationally grow through outsourced sales and lead generation”. Its story page says Roots to Market merged with Air Marketing in 2022 “to create a full-stack sales and marketing agency”, and that in 2026 it acquired Cleverep.

Best for: B2B companies that want an outsourced SDR team. Its outsourced SDR page lists experience across technology, financial services, energy, manufacturing and industrial markets.

Strengths: Phone-led outreach with email and social. Its lead generation page says it combines “outbound calling, personalised email, and social touchpoints”, and its services also include multilingual telemarketing, an inbound call centre, event booking, HubSpot partner services and sales training through its Sales Academy.

Worth knowing: European outbound now runs with Cleverep, listed under its sales services as “Air + Cleverep | European Outbound Sales”.

Pricing: Not published on the pages we checked. Its homepage offers an SDR cost calculator that compares in-house and outsourced costs.

HQ: Exeter, UK.

#8 Paragon Marketing - Telemarketing, SDRs and Paid Search

Overview: Paragon Marketing (Paragon Marketing Projects) is a B2B lead generation and demand generation agency based in Portsmouth. Its pricing page describes it as “a B2B lead agency helping businesses in Finance, SaaS, IT, Manufacturing, and niche sectors”.

Best for: Companies that want telemarketing combined with LinkedIn, email and paid search. Its pricing page says its services are “designed to work as a connected system”.

Strengths: A quality check on every lead. Its approach page says a dedicated quality assurance team reviews every appointment and lead before it reaches your sales team, and its telemarketing package lists a “Dedicated UK-based calling team”.

Worth knowing: Alongside telemarketing and outsourced SDRs, it runs LinkedIn lead generation, website visitor tracking, demand generation, and paid advertising on Google Ads and Microsoft Ads. Its PPC service needs a minimum ad spend of £2,000 a month.

Pricing: Published. Its pricing page lists telemarketing from £2,000 a month, PPC advertising from £500 a month (excluding ad spend), website visitor tracking from £500 a month and automated LinkedIn and email outreach from £300 a month, with a one-time onboarding fee on most services and custom pricing for its combined Growth Package.

HQ: Portsmouth, UK.

#9 EngageTech - Outsourced SDRs for B2B Technology

Overview: EngageTech offers “Outsourced sales development for Enterprise B2B technologies”, run by its own SDR teams with proprietary data and AI. Its about page says “For nearly two decades, EngageTech has partnered exclusively with B2B technology companies”.

Best for: B2B technology companies. Its pricing page says it is not a great fit if “You're prospecting into non-technology buyers”.

Strengths: Data and AI behind its SDRs. Its homepage describes “Proprietary data, custom-built AI agents and engagement scoring to prioritise accounts”, and its services include outsourced SDRs, AI-augmented sales development, managed SDR services (it hires, trains and supports an in-house SDR team for you) and a sales intelligence platform.

Worth knowing: Its pricing page includes a “Contractually agreed minimum number of guaranteed qualified meetings generated over the retained period”. The retained service has a minimum term, so ask for the term and notice period in writing.

Pricing: Custom. Its pricing page sets the price by the number of SDRs, full-time or part-time cover, minimum qualified meeting volume and the length of the retained period.

HQ: Not stated. Its about page lists offices in Edinburgh, London, Munich, Stockholm, Sydney, Cape Town and Charlotte.

#10 Gripped - B2B Digital Marketing and Demand Generation

Overview: Gripped is a B2B digital marketing agency based in London. Its homepage says it was founded in 2017, specialises “exclusively in SaaS, AI and tech companies”, and focuses on demand generation, paid media (Google Ads and LinkedIn Ads), SEO, GEO (generative engine optimisation) and website development.

Best for: B2B SaaS, AI and tech companies past the earliest stage. Its homepage says it works with companies “from Series A through growth stage and beyond” and does not typically work with pre-Series A or seed-stage companies.

Strengths: Paid, search and account-based demand generation for software companies. Its homepage says it has worked with over 160 SaaS, AI and tech companies, including Ideagen, Epicor, Ravelin and Crownpeak, and that it operates “in 30-day sprints with real-time reporting”.

Worth knowing: Its homepage says retainers run on “rolling monthly contracts (three-month notice period)”, and media spend is paid directly to the ad platforms on top of the retainer.

Pricing: Published. Its pricing page lists engagement models from £3,500 a month plus project fees (Advisory or Execution), from £7,500 a month (Performance) and from £15,000 a month (Scale), and says a typical investment is £5K to £15K a month.

HQ: London, UK.

#11 SalesCaptain - LinkedIn and Email Outreach

Overview: SalesCaptain describes itself as a “B2B Outbound & GTM Agency”. Its homepage says it builds pipeline “with multi-channel Cold Email and LinkedIn Outreach campaigns”, builds custom Clay and AI agent workflows, and runs inbound-led outbound and RevOps work. It says it operates “across the USA, Canada, UK, Europe and Asia”.

Best for: B2B teams that want outbound built on Clay and AI workflows. Its homepage says “We build custom Clay & AI Agent workflows tailored to your industry and business.”

Strengths: Data-led targeting. Its homepage says it combines your target niches “with intent data, funding data, revenue data and 250+ additional data points”, contacts prospects “using multi-channel LinkedIn, Email, and text campaigns”, and that “More than 60 organizations have trusted SalesCaptain so far”.

Worth knowing: Its outbound sales page describes a dedicated team of an account manager, two BDRs, two researchers and a copywriter, with lead qualification and calendar booking included.

Pricing: Not published on the pages we checked.

HQ: London, UK. Its homepage lists an address at 128 City Road, London.

Comparison Table: UK B2B Lead Generation Companies at a Glance

Services, Pricing, and Specialisms Compared

Here's how each agency describes its channels, pricing and base on its own website, checked on 14 October 2026. ORRJO publishes this page.

How to Choose the Right B2B Lead Generation Agency

What to Look For Beyond the Sales Pitch

The "best" agency is the one that's right for your specific situation. For a deeper dive on evaluation criteria, read our guide to choosing a lead generation agency. Here are seven things to evaluate before you commit:

• Define your objectives before you shop. Are you looking for raw meeting volume, or high-quality pipeline with specific deal sizes? Some agencies optimise for quantity, others for quality. Know which you need before you start conversations.
• Ask for specific, measurable results. Any agency can claim they "generate leads." Push for specifics: how many meetings per month? What's the average show rate? What percentage convert to pipeline? If they can't answer these questions with data, that's a warning sign.
• Evaluate their understanding of your market. The best agencies take the time to understand your buyer, your competition, and your value proposition. If they're pitching you a generic solution before they've asked detailed questions about your business, they'll likely deliver generic results.
• Check whether they own the full funnel or just a piece of it. An agency that handles creative, messaging, targeting, execution, and analytics will deliver more cohesive results than one that only handles execution. If your lead gen agency needs you to provide all the messaging and collateral, you're doing half their job for them.
• Understand their reporting and attribution model. How will they demonstrate ROI? What CRM integrations do they support? How frequently will you receive reports? Transparency in reporting is non-negotiable.
• Look at contract terms carefully. Some agencies lock you into 12-month contracts with no performance guarantees. Others offer month-to-month flexibility. The right structure depends on your risk tolerance, but be wary of any agency that requires a long commitment without clear performance milestones.
• Consider international capability. If you sell outside the UK, you need an agency that can run campaigns across borders. This means multilingual capability, understanding of different business cultures, and the infrastructure to support campaigns across multiple time zones. Not all UK agencies can do this well.

Frequently Asked Questions

How much does B2B lead generation cost in the UK?

Most UK agencies charge a monthly retainer of £3,000 to £10,000, and enterprise programmes run from about £12,000 to £32,000 a month (Prospeo, 2026). Basic single-channel email or LinkedIn outreach can start lower. ORRJO starts from £2,500 a month, with the final figure set by the volume of qualified meetings and the depth of qualification. We break down every pricing model in our guide to B2B lead generation pricing in the UK. The key is to evaluate cost relative to the value of the pipeline generated, not just the monthly fee.

What's the difference between lead generation and demand generation?

Lead generation focuses on identifying and converting specific prospects into sales conversations. Demand generation creates broader awareness and interest in your product or service across your target market. The most effective B2B growth programmes combine both: demand generation warms the market, and lead generation converts the interest into pipeline. You can read our full breakdown in our demand generation guide.

Should I outsource lead generation or build an in-house team?

Both can work. In-house teams give you more control but require significant investment in hiring, training, tools, and management. Outsourcing gives you immediate access to experienced teams and proven processes, without the overhead. Many companies start with an outsourced partner to build pipeline while they recruit internally, then transition to a hybrid model. The right choice depends on your budget, timeline, and internal capabilities.

How long does it take to see results from outsourced lead generation?

Outreach begins within 2 weeks of kickoff, and first qualified meetings typically land within 2 weeks of launch. Our fastest first qualified meeting on record came three days from kick-off. By month three, you should have enough data to optimise and scale.

What channels work best for B2B lead generation in the UK?

The most effective UK B2B lead generation programmes use a multi-channel approach combining phone, email, and LinkedIn. The optimal channel mix depends on your target audience: C-suite executives respond well to phone and LinkedIn, while operational and technical buyers often prefer email. The best agencies test and iterate across channels rather than committing to one approach.

The Bottom Line

The UK B2B lead generation market is competitive, and there are genuinely good agencies at every price point and specialisation. The right choice depends on your specific needs: your budget, your target market, your internal capabilities, and your growth ambitions.

If you're looking for a partner that can handle brand, demand, and lead generation as one integrated programme, with a proven track record of generating £300M+ in pipeline for clients including Descartes, Aveni and Jua, ORRJO would be glad to talk.

And if you choose one of the other agencies on this list, we wish you well. The most important thing is that you invest in your pipeline rather than hoping it builds itself. Our B2B lead generation guide covers the strategic foundations for building that pipeline. Because in B2B, hope is not a strategy.

Ready to see how ORRJO compares? Book a strategy call and we'll walk you through exactly how we'd approach your market, what results you can expect, and whether there's a fit. No pressure, just clarity.

Sources

Every fact about another agency on this page comes from that agency's own website, or from the website of the company that now owns it. ORRJO prices and terms come from our pricing page.

1. Sopro, About us, Our services, Pricing, appointment setting, live campaign results and homepage. Founders and 2015 founding, Brighton base, channels, demand generation, positive replies to your inbox, “starting at £3K per month” in the pricing page description, no minimum contract, reporting portal, published results, 3,750+ businesses. Checked 14 October 2026.
2. Operatix (now memoryBlue), homepage, about us, FAQ and acquisition news. Software-only client base, sectors, 2012 founding, offices, services, no set pricing, the memoryBlue acquisition. Checked 14 October 2026.
3. memoryBlue, company information. The 2023 acquisition, Operatix “now operates fully under the memoryBlue brand”, headquarters in Tysons, Virginia. Checked 14 October 2026.
4. Pearl Lemon Leads, homepage and about us. Headquarters and offices, Pearl Lemon Group, 2016 founding, services, the monthly price for each service on its contact form, regions served. Checked 14 October 2026.
5. The Lead Generation Company, homepage, about us, FAQ and lead generation. Glasgow head office since 2012, London and Manchester offices, services, in-house team, data services, pricing approach. Checked 14 October 2026.
6. The Telemarketing Company, about us, how we work, multilingual services and pricing FAQ. Brighton offices since 1990, services, 220+ seats, clients in regulated industries, languages, certification, hourly rate, set-up fee, minimum engagement, notice terms. Checked 14 October 2026.
7. Air Marketing, homepage, our story, outsourced SDRs and lead generation. Exeter base, trading since 2016, Roots to Market merger, Cleverep acquisition, services, channels, industries. Checked 14 October 2026.
8. Paragon Marketing Projects, pricing and our approach. Portsmouth base, services, sectors, published starting prices, minimum ad spend, UK-based calling team, quality assurance. Checked 14 October 2026.
9. EngageTech, homepage, about and pricing. Services, B2B technology focus, offices, pricing basis, guaranteed meetings, minimum term. Checked 14 October 2026.
10. Gripped, homepage and pricing. London base, 2017 founding, SaaS, AI and tech focus, services, client stage, named clients, 30-day sprints, rolling contracts with three months' notice, published engagement models and prices. Checked 14 October 2026.
11. SalesCaptain, homepage and outbound sales. Self-description, channels, Clay and AI workflows, data points, regions, London address, team make-up. No price found. Checked 14 October 2026.