Top Sales Outsourcing Services Firms & Best Outsourcing Services Providers in UK

Businesses looking to scale their sales process efficiently rely on expert Sales Outsourcing Services Providers in UK. Our list top Sales Outsourcing Services Companies in UK offer outsourced teams that handle customer outreach, lead qualification, and sales conversions, helping companies meet their targets with minimal internal effort.
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4.8 out of 5, based on 41 real reviews.
Rankings updated: Apr 01, 2026

List of Top Sales Outsourcing Services Providers in UK | Best Sales Outsourcing Services Companies

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

12 Companies

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40

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

40

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 100% Business Services

Let VSL make the calls so that you do not have to!

Virtual Sales Ltd (VSL) is a leading provider of B2B and IT appointment setting, telemarketing, and lead generation services. Operating in the UK, Europe, Middle East, Canada, and USA, VSL offers a range of monthly subscription packages with no long-term tie-ins, making it a high-quality business development option for companies looking to grow. VSL's clients include LegalEdge, Microsoft, Cura, Crowner-i, Safari, bChannels, Automated Intelligence, Media Services, Genesis, Truth in IT, and Ban. They focus on closing sales qualified meetings and ensuring successful growth for their clients.

View Virtual Sales Limited Profile
Inside Service Listing

$100-$149/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Horsham, UK

Location
Verified Client Review

Verified Client Review

Sales Outsourcing for B2B Demand Gen Co

Reviewed by: Helen Rutherford, Director at LeadaMarket View all 6 ReviewsView all Reviews

40

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

40

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 100% Business Services

b2b lead generation agency

Our team is passionate about learning, trust, transparency, and accountability. We take swift action and avoid lengthy discussions, valuing friendly advice and quick action. We build trust by relying on each other and viewing setbacks as opportunities for success. We own our decisions and outcomes, pushing through challenges with passion and a "can-do" attitude. We strive for excellence by setting high objectives and going the extra mile for continuous improvement.

View A-SALES AB Profile
Inside Service Listing

< $25/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

London, UK

Location
Verified Client Review

Verified Client Review

Call Center Services & Market Research for Software Company

Reviewed by: Chris Blum, Head of Sales at Sera Systems View all 6 ReviewsView all Reviews

40

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

40

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 100% Business Services

Ready-to-meet prospects delivered to your calendar

Lead Gen Dept. is a B2B company that helps companies book meetings with their target accounts in the UK, North America, and Europe. They offer guaranteed results, manage inboxes and calendars, and use email, LinkedIn, and cold calling channels. They have a 5/5 rating on Clutch and target UK, European, or North American companies with an average client value of over £50,000 per year. They use Bombora Intent Data, Crunchbase Financial Data, and built-with technographic data for accuracy and results.

View Lead Gen Dept Profile
Inside Service Listing

$100-$149/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Norwich, UK

Location
Verified Client Review

Verified Client Review

Appointment-Setting Services for Language Tools Company

Reviewed by: Geraldine Nathan, Head of Sales at Bluente View all 6 ReviewsView all Reviews

40

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

40

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 100% Business Services

Not your average sales consultancy.

We solve sales challenges and deliver tangible results. What sets us apart from others is our transparent, approachable approach—free from traditional sales tactics. By combining specialized expertise, proven frameworks, and powerful tools, we position ourselves to transform sales processes at a large scale. Our focus on value-driven strategies allows us to achieve exceptional outcomes. We're passionate about problem-solving and are committed to helping you succeed.

View Friday Solved Profile
Inside Service Listing

$300 </hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

2 - 9

Team size
Inside Service Listing

London, UK

Location
Verified Client Review

Verified Client Review

Sales Strategy for Branding Company

Reviewed by: Georgios Athanassiadis, Managing Partner at Your Majesty View all 6 ReviewsView all Reviews

38

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

38

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 100% Business Services

Outsourced Sdr teams fueling the B2B software industry

Operatix is a B2B software vendor that employs a team of over 250 SDRs in London and Dallas to accelerate sales cycles, increase deal value, and close more business. Their approach combines account-based marketing and selling activities, and they are skilled in networking with organizations to identify decision-makers and establish initial sales engagement between clients' sales teams and prospects. Operatix's services include outsourced SDR teams, B2B lead generation, sales development, outbound prospecting, inbound response management, account-based prospecting, and business development.

View Operatix Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Fleet, UK

Location
Verified Client Review

Verified Client Review

Lead Gen for Cybersecurity Platform

Reviewed by: Kenan Frager, VP of Marketing at Asimily View all 4 ReviewsView all Reviews

36

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

36

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 100% Business Services

Appointment Setting with a Focus on Your ROI

We are a specialized growth agency focused on appointment setting, with a strong emphasis on maximizing your ROI. Our founders personally oversee your campaigns to ensure the highest level of service, aligning incentives so that our success is directly tied to yours. When you partner with us for your growth, we remain actively engaged in your account, offering strategic discussions and consistent involvement. Unlike many agencies, we do not delegate your growth to account managers after signing. This approach has enabled our clients to achieve an average return on investment of 10x. Our Achievements: Recognized by Clutch.co as one of the "Top Direct Marketing Agencies in the UK in 2023" Long-term partnerships with clients, some lasting over two years Over 5,000 qualified appointments set An average ROI of 10x (estimate your potential ROI here: [link]) You understand there are businesses that require your product or service. We help you locate them and convert them into loyal customers. Our Process: We initiate sales appointments with your ideal customers. From our initial kick-off call, we proactively launch your first campaign within two weeks, aiming to secure your first qualified sales meeting within the first week of launch.

View Inboxxia Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

2 - 9

Team size
Inside Service Listing

Manchester, UK

Location
Verified Client Review

Verified Client Review

Email Marketing for Lead Generation Company

Reviewed by: Rayne Crossen, CEO at Zero Risk Marketing View all 3 ReviewsView all Reviews

33

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

33

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 50% Business Services

  • 50% Digital Marketing

  • 10% Mobile App Development

Helping You Generate Leads Online

GLO – Generate Leads Online is an award-winning online marketing agency that focuses on data-driven digital marketing and SEO web design. With accreditations from Google, the agency is triple certified by leading platforms and a member of the Data & Marketing Association. Their services include SEO, Google Ads, social media, SEO copywriting, email marketing, lead generation, LinkedIn automation, and CRO. They also offer design and development services, including SEO web design, app development, web hosting, and graphic design and branding. Their goal is to create effective campaigns that attract and convert target audiences, ensuring maximum ROI and 100% client satisfaction. GLO works as an extension of your business, combining elements from various online marketing spheres to craft effective campaigns that attract and convert your target audiences.

View GLO Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Ipswich, UK

Location
Verified Client Review

Verified Client Review

Google Ads & SMM for Shipping Container Repurpose Co

Reviewed by: Mark Pryor, Director at Containers & More View all 6 ReviewsView all Reviews

31

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

31

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 70% Business Services

  • 30% Digital Marketing

Generating real demand and leads for b2b brands.

Incite is a leading agency specializing in growth marketing and lead generation, with a team of 30 professionals. We take pride in delivering exceptional work driven by strategic commercial insights, producing tangible and measurable outcomes, such as enhanced reputation, a robust sales pipeline, and a strong return on investment (ROI). Focused exclusively on B2B markets, we possess significant expertise in sectors such as technology, law, and business and professional services. Our clients typically offer high-value products or services with intricate buying processes. We excel in inbound, outbound, and account-based marketing, working with clients globally, ranging from publicly listed corporations to dynamic startups. Our core strength lies in bridging the gap between sales and marketing, optimizing marketing spend, sales impact, and overall ROI.

View incite Profile
Inside Service Listing

$100-$149/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Kingston Upon Thames, UK

Location
Verified Client Review

Verified Client Review

Lead Generation for Marketing Communications Agency

Reviewed by: Andrew Dymock, Marketing Comms. Director at The Outlook Creative Group View all 2 ReviewsView all Reviews
Smb Business solution
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Claimed by Official Representatives

28

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

28

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 25% Business Services

  • 25% Digital Marketing

  • 25% CMS

  • 25% Cloud Computing Services

Dynamic Business Solutions That Power High Growth Startups

SMB Business Solution is a dedicated technology partner offering customized CRM for small business. Specializing in Salesforce development, integration, and automation, the company helps streamline customer management and drive business growth. With a focus on small to mid-sized enterprises, SMB Business Solution provides tailored solutions to improve efficiency, boost sales, and enhance customer relationships.

View Smb Business solution Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$100+

Min. Budget Size
Inside Service Listing

50+

Team size
Inside Service Listing

Craigavon, UK

Location

28

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

28

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 100% Business Services

Outsourcing - Around the world, round the corner.

Our recruitment firm specializes in offering our clients in Australia, the UK, and India the best permanent, fixed-term, contractual, and outsourcing options. Our recruitment team ensures that our clients and applicants have the greatest possible experience working with us at all times since we are process-driven experts. We cherish everyone's time and prioritize it on a daily basis by adhering to the fundamentals of our procedures since we think that time is the key to our success. As meticulous recruiters, we make sure to comprehend your department's needs in order to find you the ideal position or your next hiring, exactly as you had imagined.

View Atheva Services Profile
Inside Service Listing

$100-$149/hr

Hourly Rate
Inside Service Listing

$75,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Bath, UK

Location

27

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

27

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 40% Business Services

  • 50% Digital Marketing

  • 10% Web Development

B2B lead generation | Appointment Setting | Sales

Funel.io is a B2B sales acceleration agency that bridges the gap between your business and high-intent prospects through authentic, human-first outreach. With over 10 years of industry experience, we operate as an outsourced sales development team, managing the early stages of your sales funnel so you can focus on closing and growth. Our proven sales process prioritizes trust, personalization, and meaningful conversations—building genuine relationships before introducing your solution. This quality-driven approach delivers higher conversion rates, stronger pipelines, and long-term client value. Why businesses choose Funel.io: we focus on quality appointments, not volume. Every prospect is carefully researched and validated to ensure accurate targeting and relevance. Our team brings deep expertise shaped by thousands of real sales interactions, successful campaigns, and continuous optimization. Funel’s in-app management platform provides full transparency, allowing you to track daily outreach activity, monitor performance, and manage booked appointments in real time. By combining precise data validation, strategic outreach, and relationship-focused sales development, we help companies reduce acquisition costs, save time, and scale efficiently. Funel.io fills your pipeline with the right opportunities—driving more conversations, more conversions, and sustainable sales growth.

View Funel Profile
Inside Service Listing

< $25/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

London, UK

Location
Verified Client Review

Verified Client Review

Lead Generation for Investment Platform

Reviewed by: Sebastian Baker, Founder at Investment Platform View all 2 ReviewsView all Reviews

22

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

22

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 50% Business Services

  • 50% Digital Marketing

Grow Your Online Presence. Organically. Guaranteed

Online identities are transformed into memorable digital presences by Ohh My Brand. Our slogan is Personalized Branding. With a focus on organic SEO and personal branding, we provide growth that is genuine and fosters trust. We create tactics that make sure your voice stands out in a crowded online space, gaining awareness and creating a lasting impression. Our strategy blends state-of-the-art SEO tactics that are customized to your own personality with the craft of storytelling. We develop methods that smoothly fit your goals, whether you're a brand building stronger relationships, an executive forming thought leadership, or an entrepreneur developing authority. Our dedication to accuracy and authenticity is at the core of what we do. We don't use prefabricated promises or generic templates. Rather, we concentrate on quantifiable, long-lasting results that put you just where you need to be—in front of the most important audience. We make sure that every move helps to elevate your brand, from creating engaging storylines to implementing strong SEO foundations. Our multinational team strikes the ideal mix between data-driven strategy and artistic narrative by fusing analytical know-how with creative vision. Through this synergy, we can highlight your unique qualities and turn static profiles into dynamic, captivating presences that draw attention, foster trust, and motivate action. Working with Ohh My Brand makes you a partner in a common goal: to naturally increase your visibility. We promise tactics that increase your worth and produce noticeable outcomes, from focused content creation to individualized branding advice. We are here to make sure the world knows that your success is our success.

View Ohh My Brand Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Ilford, UK

Location
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