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Featured
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$5,000+Undisclosed50 - 249Serves United KingdomServices provided
See all 61 projectsLevelUp Leads is a Sales Outsourcing Solutions provider specializing in sales team augmentation and sales performance enhancement. Their services include sales development, lead generation, and outbound sales processes. With 100% positive feedback, clients commend their ability to tailor messaging, enhance sales pipelines, and maintain efficient project management. Approximately 50% of reviewers highlight their adaptability and the human element in communication, emphasizing collaboration over transactional interactions.
$1,000+Undisclosed1,000 - 9,999Serves United KingdomServices provided
See all 54 projectsAppointment Setter Online is a Sales Outsourcing Solutions company specializing in appointment setting, lead qualification, and sales support services. Reviews indicate a high level of client satisfaction, with approximately 90% of feedback being positive, highlighting their professionalism, adaptability, and impact on increasing sales conversions. Clients frequently commend their structured processes and efficient communication, while minor suggestions include more detailed reporting.
$1,000+< $25 / hr50 - 249Serves United KingdomServices provided
See all 234 projectsBelkins is a proficient Sales Development Agency specializing in Sales Outsourcing Solutions and tailored lead generation processes. With a focus on optimizing client sales operations, 100% of reviewers highlight their strong project management and strategic support. The company consistently exceeds client expectations, evidenced by a 450% pipeline growth and up to a 3.6x ROI, showcasing their expertise in Sales Performance Enhancement and Sales Process Automation.
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$1,000+$50 - $99 / hr2 - 9London, England
Services provided
CRM consulting and SI company Vanguard Automations was established in 2024. The team specializes in CRM consulting and SI and Artificial Intelligence.
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UndisclosedUndisclosed2 - 9Brighouse, England
Services provided
Located in Brighouse, England, Sales Fuel is a Sales Outsourcing company. The team provides Sales Outsourcing.
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$1,000+$25 - $49 / hr50 - 249Witley, England
Services provided
In Witley, England, Perfect Lead Generation is a midsize Sales Outsourcing and Demand Generation Marketing company. Their services include Sales Outsourcing and Demand Generation Marketing.
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UndisclosedUndisclosedFreelancerIlford, England
Services provided
Impulsive Marketing is an Ilford, England-based social media marketing company. Their services include Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Ellington, England
Services provided
Open Outbound is a small Marketing Strategy company. Launched in 2024, the team offers Marketing Strategy and Content Marketing.
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$5,000+$100 - $149 / hr10 - 49London, England
Services provided
Thaver, a Business Consulting company, was launched in 2025. The company offers Business Consulting and Corporate Training & Coaching, and is small.
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$1,000+$50 - $99 / hr2 - 9Manchester, England
Services provided
LEAPFLY is a small Direct Marketing company located in Manchester, England. Their services include Direct Marketing and Sales Outsourcing.
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UndisclosedUndisclosed50 - 249Dudley, England
Services provided
Opal Outsourcing is a Customer Service Outsourcing company. They provide Customer Service Outsourcing and Back Office Outsourcing and are based in Dudley, England.
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$5,000+$150 - $199 / hr10 - 49London, England
Services provided
Win Labs is a London, England-based Sales Outsourcing company. The team specializes in Sales Outsourcing and Business Consulting.
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UndisclosedUndisclosed10 - 49Glasgow, Scotland
Services provided
Tasker Base is a SMS Marketing company. Their small team of employees is located in Glasgow, Scotland. Their team specializes in SMS Marketing and Search Engine Optimization.
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Undisclosed$25 - $49 / hr2 - 9Cardiff, Wales
Services provided
Founded in 2025, Novello Consulting is a small CRM consulting and SI company. Their services include CRM consulting and SI and Business Consulting.
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$1,000+Undisclosed10 - 49Edgware, England
Services provided
Coenzio is a Sales Outsourcing company. The team is in Edgware, England, and their services include Sales Outsourcing and Email Marketing.
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$5,000+$50 - $99 / hr2 - 9Poole, England
Services provided
SEO company Sales Nailed® is located in Poole, England. Their services include Search Engine Optimization and Marketing Strategy.
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$1,000+< $25 / hr10 - 49Bedford, England
Services provided
CION BPO is a Recruitment Process Outsourcing company. The Cape Town, South Africa-based team offers Recruitment Process Outsourcing and Sales Outsourcing.
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$1,000+Undisclosed10 - 49London, England
Services provided
CoAgents UK, a small AI Agents company, is based in London, England. Their services include AI Agents and Artificial Intelligence.
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$25,000+$25 - $49 / hr50 - 249London, England
Services provided
Buzz CX Global is a Sales Outsourcing company founded in 2023. The team focuses on Sales Outsourcing and Customer Service Outsourcing and is headquartered in London, England.
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$1,000+Undisclosed2 - 9London, England
Services provided
Sales Outsourcing company Thirty Two Partners is located in London, England. They provide Sales Outsourcing.
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Undisclosed< $25 / hr10 - 49London, England
Services provided
Aktyvus Group Limited is a Sales Outsourcing company. Founded in 2024, the agency provides Sales Outsourcing and Marketing Strategy.
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UndisclosedUndisclosed2 - 9Manchester, England
Services provided
OperAi is an AI company. They provide Artificial Intelligence and AI Consulting and were established in 2026. The firm is headquartered in Manchester, England.
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$1,000+< $25 / hr50 - 249London, England
Services provided
Crownline Global is a Back Office Outsourcing company based in London, England. Established in 2026, the team focuses on Back Office Outsourcing and Call Center Services.
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$5,000+Undisclosed2 - 9Melton Mowbray, England
Services provided
Done For You Closing is a small Sales Outsourcing company. Founded in 2021, the team focuses on Sales Outsourcing and Digital Strategy.
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$1,000+$50 - $99 / hr2 - 9Crowthorne, England
Services provided
Supernova AI is a Sales Outsourcing company. Launched in 2024, the team focuses on Sales Outsourcing.
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$1,000+$50 - $99 / hr2 - 9Maidenhead, England
Services provided
CRfM Consulting is a small Sales Outsourcing and CRM consulting and SI company established in 2024. Their team offers Sales Outsourcing and CRM consulting and SI.
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Undisclosed< $25 / hr10 - 49Peterborough, England
Services provided
Talent Embassy Limited is a Content Writing Services company. Founded in 2025, the team offers Content Writing Services and IT strategy consulting. The firm is headquartered in Peterborough,
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$1,000+Undisclosed2 - 9Lapworth, England
Services provided
Oryx AI Automations, an AI Agents company, is headquartered in Lapworth, England. The team offers AI Agents and AI Consulting.
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$5,000+Undisclosed10 - 49London, England
Services provided
ClosuraGrowth is a Sales Outsourcing company launched in 2025. The team offers Sales Outsourcing and CRM consulting and SI and is headquartered in London, England.
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UndisclosedUndisclosed2 - 9London, England
Services provided
Opsure is a Market Research company in London, England. The team specializes in Market Research and Sales Outsourcing.
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$5,000+$200 - $300 / hr2 - 9Poole, England
Services provided
H2 is a Sales Outsourcing company. Based in Poole, England, the agency was launched in 2026. Their team focuses on Sales Outsourcing and Demand Generation Marketing.
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$1,000+$200 - $300 / hr2 - 9Mildenhall, England
Services provided
Renvoxa Ltd is an AI Agents company. The agency is in Mildenhall, England. Their team specializes in AI Agents and Conversion Optimization.
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$1,000+< $25 / hr2 - 9East Kilbride, Scotland
Services provided
Small call center Thrive International Ltd, is in East Kilbride, Scotland. Their services include Call Center Services and Email Marketing.
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$5,000+Undisclosed2 - 9London, England
Services provided
AI Agents company Autonomous Stack was launched in 2026. Headquartered in London, England, the team specializes in AI Agents and Sales Outsourcing.
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UndisclosedUndisclosed2 - 9London, England
Services provided
Apolac is a Demand Generation Marketing company established in 2026. Their services include Demand Generation Marketing and Email Marketing.
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$5,000+$100 - $149 / hr2 - 9Bradford, England
Services provided
Go7 is a Demand Generation Marketing company headquartered in Bradford, England. Established in 2022, the team provides Demand Generation Marketing and Public Relations.
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$1,000+< $25 / hr10 - 49Glasgow, Scotland
Services provided
See all 1 projectsThe Lead Generation Company is a lead generation and telemarketing firm. Feedback indicates a predominantly negative experience, with 100% of reviewers expressing dissatisfaction due to unprofessionalism, lack of effective results, and poor communication. Reviewers highlight their failure to deliver on promises, inadequate LinkedIn activity, and an overall lack of initiative in improving outcomes.
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$1,000+< $25 / hr250 - 999Salford, England
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Call center service AlldayPA focuses on Call Center Services and Customer Service Outsourcing. They are based in Salford, England.
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$1,000+< $25 / hr50 - 249Aberdeen , Scotland
Services provided
H-Line Soft is a midsize Back Office Outsourcing company based in Secunderabad, India and Fremont, California. The team provides Back Office Outsourcing and HR Consulting.
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$1,000+< $25 / hr10 - 49Wembley, England
Services provided
Confero, a call center, is located in Wembley, England and London, England. Their services include Call Center Services and Customer Service Outsourcing.
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$1,000+< $25 / hr10 - 49Barnstaple, England
Services provided
Located in Barnstaple, England, PressPlayCalls is a small Customer Service Outsourcing company. The team provides Customer Service Outsourcing and Call Center Services.
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$1,000+< $25 / hr10 - 49London, England
Services provided
RSVP is a Customer Service Outsourcing company. Their small team is located in London, England. Their services include Customer Service Outsourcing and Back Office Outsourcing.
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$1,000+< $25 / hr250 - 999East Yorkshire, England
Services provided
In East Yorkshire, England, KC Contact Centres is a call center. Founded in 1999, the team specializes in Call Center Services and Sales Outsourcing.
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$1,000+< $25 / hr250 - 999Southend-on-sea, England
Services provided
Launched in 2010, Ventrica is an answering service company. The team offers Call Center Services and Customer Service Outsourcing.
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$1,000+< $25 / hr10,000+Milton Keynes, England
Services provided
Konecta, a Back Office Outsourcing company, offers Back Office Outsourcing and Call Center Services. The agency is headquartered in Milton Keynes, England.
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$1,000+< $25 / hr10 - 49Crewe , England
Services provided
Launched in 1994, Office Link is a small telephone answering service in Crewe , England. Their team focuses on Call Center Services and Sales Outsourcing.
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$1,000+< $25 / hr10 - 49Congleton, England
Services provided
Toucan Telemarketing, a call center company, is located in Congleton, England. Their services include Call Center Services and Sales Outsourcing.
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$1,000+< $25 / hr50 - 249Northamptonshire, England
Services provided
BCC is a midsize call center company. Founded in 1989, the team focuses on Call Center Services and Sales Outsourcing.
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$1,000+< $25 / hr2 - 9Dronfield, England
Services provided
Paperclip Admin is a call center. In Dronfield, England, the firm focuses on Call Center Services and Transcription.
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$1,000+< $25 / hr50 - 249Nailsea, England
Services provided
Headquartered in Nailsea, England, Office24 is a midsize Back Office Outsourcing company. The team offers Back Office Outsourcing and Call Center Services.
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$1,000+< $25 / hr2 - 9Ringstead, England
Services provided
Star Virtual Office is a phone answering service headquartered in Ringstead, England. They focus on Call Center Services and Sales Outsourcing and were launched in 2008.
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$1,000+< $25 / hr250 - 999Sheffield, England
Services provided
Ant Marketing is a telephone answering service. Founded in 1989, the firm provides Call Center Services and Customer Service Outsourcing.
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$1,000+< $25 / hr2 - 9London, England
Services provided
Back Office Outsourcing company The Business Outsourcing Company is based in London, England and Ripon, England. They provide Back Office Outsourcing and Call Center Services.
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Get My QuotesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
Top Sales Outsourcing Companies in the United Kingdom
Sales outsourcing lets U.K. companies stand up a working sales function, or scale one, without hiring and training an in-house team from scratch. U.K. providers supply outsourced SDR and BDR teams, run lead generation and outbound prospecting, book qualified appointments, and in some cases manage the full sales cycle. It's popular with startups testing a market and with established firms expanding into new segments. Because these teams represent your brand, the strongest ones invest in training, messaging, and transparent pipeline reporting.
Clutch connects you with sales outsourcing companies in the United Kingdom vetted through verified client reviews, so you can compare track record, approach, and value before you hire. Use the filters below to narrow by budget, industry, and team size, or explore related directories:
• Top Sales Outsourcing Companies
• Sales Outsourcing Companies in London
• Sales Outsourcing Companies in Edinburgh
List of the Top United Kingdom B15B Sales Outsourcing Services
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$1,000+< $25 / hr50 - 249London, England
Ability to deliver
33.9/40.019.8/20 Reviews10/10 Clients & Experience4.1/10 Market PresenceService focus
60% Sales Outsourcing40% Other -
$1,000+$50 - $99 / hr10 - 49Horsham , England
Ability to deliver
31.9/40.017.8/20 Reviews10/10 Clients & Experience4.1/10 Market PresenceService focus
60% Sales Outsourcing40% Other -
$1,000+$300+ / hr2 - 9London, England
Ability to deliver
31.5/40.017.8/20 Reviews10/10 Clients & Experience3.7/10 Market PresenceService focus
30% Sales Outsourcing70% Other -
$10,000+Undisclosed50 - 249Theale, England
Ability to deliver
31.4/40.017/20 Reviews9.7/10 Clients & Experience4.7/10 Market PresenceService focus
50% Sales Outsourcing50% Other -
$1,000+$50 - $99 / hr10 - 49Ipswich, England
Ability to deliver
30.9/40.016/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
15% Sales Outsourcing85% Other -
$1,000+$200 - $300 / hr50 - 249London, England
Ability to deliver
30/40.020/20 Reviews10/10 Clients & Experience0/10 Market PresenceService focus
80% Sales Outsourcing20% Other -
$5,000+$50 - $99 / hr50 - 249Hitchin, England
Ability to deliver
29.6/40.016.2/20 Reviews9.5/10 Clients & Experience3.9/10 Market PresenceService focus
100% Sales Outsourcing -
$5,000+$100 - $149 / hr10 - 49Haywards Heath, England
Ability to deliver
29.4/40.016.4/20 Reviews10/10 Clients & Experience3/10 Market PresenceService focus
10% Sales Outsourcing90% Other -
$1,000+$25 - $49 / hr10 - 49Countesthorpe, England
Ability to deliver
29.1/40.018/20 Reviews6.4/10 Clients & Experience4.7/10 Market PresenceService focus
25% Sales Outsourcing75% Other -
UndisclosedUndisclosed50 - 249London, England
Ability to deliver
28.4/40.015.8/20 Reviews8.2/10 Clients & Experience4.4/10 Market PresenceService focus
10% Sales Outsourcing90% Other -
$10,000+$100 - $149 / hr10 - 49London, England
Ability to deliver
28.3/40.015.6/20 Reviews8.3/10 Clients & Experience4.4/10 Market PresenceService focus
10% Sales Outsourcing90% Other -
$1,000+< $25 / hr10 - 49Thatcham , England
Ability to deliver
28.1/40.015.6/20 Reviews8.5/10 Clients & Experience4/10 Market PresenceService focus
12% Sales Outsourcing88% Other -
$5,000+Undisclosed250 - 999Fleet, England
Ability to deliver
27.5/40.015/20 Reviews8.4/10 Clients & Experience4.1/10 Market PresenceService focus
25% Sales Outsourcing75% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
27.4/40.015.6/20 Reviews7.6/10 Clients & Experience4.2/10 Market PresenceService focus
20% Sales Outsourcing80% Other -
$1,000+$300+ / hr2 - 9London, England
Ability to deliver
26.5/40.016.2/20 Reviews6.4/10 Clients & Experience3.9/10 Market PresenceService focus
10% Sales Outsourcing90% Other -
$1,000+$100 - $149 / hr10 - 49London, England
Ability to deliver
26.3/40.016.4/20 Reviews6.3/10 Clients & Experience3.7/10 Market PresenceService focus
40% Sales Outsourcing60% Other -
$5,000+$100 - $149 / hr10 - 49Kingston Upon Thames, England
Ability to deliver
26.3/40.015.8/20 Reviews6.7/10 Clients & Experience3.9/10 Market PresenceService focus
30% Sales Outsourcing70% Other -
$5,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
26.1/40.016.6/20 Reviews6.5/10 Clients & Experience3/10 Market PresenceService focus
40% Sales Outsourcing60% Other -
$1,000+< $25 / hr2 - 9London, England
Ability to deliver
24.9/40.015.8/20 Reviews6.1/10 Clients & Experience3/10 Market PresenceService focus
65% Sales Outsourcing35% Other -
$1,000+< $25 / hr50 - 249London, England
Ability to deliver
24.9/40.018.2/20 Reviews2.2/10 Clients & Experience4.5/10 Market PresenceService focus
20% Sales Outsourcing80% Other -
$5,000+Undisclosed2 - 9London, England
Ability to deliver
24/40.016.6/20 Reviews2.9/10 Clients & Experience4.5/10 Market PresenceService focus
100% Sales Outsourcing -
$1,000+$50 - $99 / hr2 - 9WIRRAL, England
Ability to deliver
23.2/40.016.2/20 Reviews3/10 Clients & Experience4/10 Market PresenceService focus
10% Sales Outsourcing90% Other -
UndisclosedUndisclosed1,000 - 9,999Birkenhead , England
Ability to deliver
22.9/40.016.2/20 Reviews2.7/10 Clients & Experience4/10 Market PresenceService focus
10% Sales Outsourcing90% Other -
UndisclosedUndisclosed2 - 9Reading, England
Ability to deliver
22.1/40.016.6/20 Reviews2.1/10 Clients & Experience3.4/10 Market PresenceService focus
60% Sales Outsourcing40% Other -
$1,000+Undisclosed50 - 249Brighton and Hove, England
Ability to deliver
21.7/40.017.4/20 Reviews0/10 Clients & Experience4.3/10 Market PresenceService focus
90% Sales Outsourcing10% Other -
$25,000+Undisclosed2 - 9Mildenhall, England
Ability to deliver
21.6/40.016.4/20 Reviews1.8/10 Clients & Experience3.4/10 Market PresenceService focus
25% Sales Outsourcing75% Other -
UndisclosedUndisclosed1,000 - 9,999Edinburgh, Scotland
Ability to deliver
21.6/40.015.6/20 Reviews1/10 Clients & Experience4.9/10 Market PresenceService focus
30% Sales Outsourcing70% Other -
$10,000+Undisclosed50 - 249London, England
Ability to deliver
21.4/40.017.4/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
75% Sales Outsourcing25% Other -
$1,000+$25 - $49 / hr10 - 49Banbury, England
Ability to deliver
21.2/40.015.6/20 Reviews1.8/10 Clients & Experience3.9/10 Market PresenceService focus
15% Sales Outsourcing85% Other -
$1,000+$100 - $149 / hr2 - 9Portsmouth, England
Ability to deliver
21.1/40.016.2/20 Reviews1.9/10 Clients & Experience3/10 Market PresenceService focus
100% Sales Outsourcing
Latest Sales Outsourcing Articles
See all articles
Answering Services: Professionalism in Customer Service
Professionalism in customer service is essential to retaining customers, building your brand image, and increasing sales.
![How to Build a Budget for Call Center Services [With Template] cover image](https://img.shgstatic.com/clutch-static-prod/image/resize/715x400/s3fs-public/article/ba3fb126c373d45b88403b0272fa9201.jpg)
U.K. Sales Outsourcing FAQs
A U.K. sales outsourcing company provides sales capability on your behalf. These dedicated service providers offer a wide range of tailored services, including:
- Outsourced SDR/BDR teams for prospecting
- Lead generation and qualification
- Appointment setting
- Sometimes full-cycle selling and account management
Furthermore, providers usually handle messaging, tooling (i.e., CRM and outreach), and reporting, acting as an extension of your sales team.
A U.K. provider knows the local B2B landscape, buyer expectations, and calling and data-protection rules. Thanks to their invaluable background and experience, these teams can represent your brand credibly to U.K. prospects. Moreover, same-time-zone working also makes it easier to align on messaging, review pipeline, and adjust quickly, which matters when a team is selling in your name.
Browse through Clutch’s vetted directories to explore top firms, then match with teams that meet your project’s specific requirements and objectives. Look for verified reviews and results in your market and deal size, and ask how they build messaging, qualify leads, and report on pipeline.
Confirm who owns the data and CRM records, and how closely they'll work with your team. Shortlist two or three teams, start with a defined pilot, and judge on qualified-pipeline quality rather than raw activity.
Be cautious of providers who promise big numbers without defining lead quality, are vague about data ownership and compliance, can't show results in comparable markets, or won't start with a pilot. Low-quality leads and poor brand representation can cost more than the fee itself.