Top 10 Sales Agencies to Outsource Your Revenue Growth

Growing revenue sounds exciting, but building and managing a strong sales function is not easy. Hiring sales reps, training them, setting up outreach systems, and keeping performance consistent takes time and experience.

That is why many businesses now choose to work with a sales agency instead of building everything in-house. A good sales agency helps companies move faster. It supports prospecting, outreach, lead qualification, and even sales hiring when needed.

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These agencies help businesses focus on closing deals instead of struggling with setup and execution, from B2B lead generation services to full sales enablement.

Below, we explore ten sales agencies that companies trust to support steady revenue growth.

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Top 10 Sales Agencies to Outsource Your Revenue Growth

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Each agency listed here supports businesses in different ways. Some focus on outbound sales, while others specialise in lead generation, sales recruitment, or sales enablement.

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Let’s begin, and learn about them:

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1. Pearl Lemon Leads

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Pearl Lemon Leads is a well-known B2B-focused sales and lead generation agency. They help businesses build predictable pipelines through personalised outreach and structured sales systems. Their services are often used by marketing agencies, SaaS companies, and service-based businesses.

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Why the Agency Stands Out: Pearl Lemon Leads focuses on relevance over volume. At the same time, they adapt campaigns to match each client’s industry and goals. And that’s why companies like to work with this agency.

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Key Services: 

B2B lead generation services: Pearl Lemon Leads builds targeted prospect lists and runs outreach campaigns that focus on decision-makers who match the client’s ideal profile.

Outbound sales campaigns: They also manage email, LinkedIn, and multi-channel outreach to start sales conversations.

Appointment setting: The agency books qualified prospects directly into sales calendars that saves time for internal teams.

Sales strategy support: They also help clients refine messaging, targeting, and follow-up processes.

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Revenue: Less than $5 Million

Company Size: 29 Employees

Location: London, UK

Pricing: Request a quote via the Pearl Lemon Leads website.

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2. salesleadgen

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salesleadgen is a sales-focused agency that helps B2B companies generate leads and book meetings. They work closely with internal sales teams and marketing departments to support outbound growth. Their process is structured and performance-driven.

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Why the Agency Stands Out: salesleadgen focuses on measurable results. So clients receive clear visibility into performance and outcomes. And that’s the reason why teams like to work with this agency. 

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Key Services: 

Outbound lead generation: The agency runs targeted campaigns to reach qualified prospects. 

Sales pipeline support: salesleadgen delivers leads in a way that aligns with existing sales processes, and that saves their time.

Prospect research: They also build lists by using firmographic and role-based filters.

Performance reporting: The agency also provides their clients with regular updates on campaign progress and results.

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Revenue: Estimated $3 Million as of 2026

Location: Greater London, United Kingdom

Company Size: 1–10 employees

Pricing: Monthly retainer, $2,000 to $15,000 per month

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3. Outbound Solutions UK Ltd

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Outbound Solutions UK Ltd helps businesses grow through structured outbound sales programs. They work with B2B companies that want to scale outreach without hiring large internal teams. Their approach combines research with execution.

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Why the Agency Stands Out: Outbound Solutions UK Ltd focuses on consistency. This helps businesses maintain steady lead flow. That’s why companies and teams like to work and collaborate with this agency.

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Key Services: 

Outbound sales execution: Outbound Solutions UK Ltd manages outbound campaigns from start to finish, fast tracking .

Lead qualification: They also review Prospects before passing them on to sales teams.

Appointment booking: The agency schedules qualified meetings for their clients’ internal teams.

Campaign optimisation: Finally, Outbound Solutions UK Ltd also adjusts messaging and targeting that are based on response data.

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Revenue: Less than $5 Million 

Location: London, United Kingdom

Company Size: 11 to 50 Employees

Pricing: They offer custom pricing. Get in touch with the agency for pricing

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4. Excelerate360 Ltd

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Excelerate360 Ltd supports B2B companies with sales enablement and lead generation. They focus on building sales processes that work across teams. Their services often support complex sales cycles.

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Why the Agency Stands Out: Excelerate360 Ltd connects sales strategy with execution. That’s why the teams always stay aligned, and they like working with this agency.

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Key Services: 

Sales enablement consulting: They help businesses to improve sales workflows and tools.

Lead generation campaigns: Excelerate360 Ltd designs outreach around specific buyer personas, so that the outreach process becomes easier, and faster.

Account based marketing: The agency’s campaigns target high-value accounts rather than broad lists, making prospecting better for their clients.

Sales performance insights: They also provide feedback to teams to improve effectiveness.

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Revenue: Less than $5 Million

Location: Hertfordshire, United Kingdom

Company Size: Approximately 26 employees

Pricing: They offer custom pricing. Get in touch with the agency for more information.

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5. The Sales Centre

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The Sales Centre provides outsourced sales services for B2B businesses. They help companies handle prospecting, qualification, and appointment setting. Their team acts as an extension of internal sales departments.

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Why the Agency Stands Out: The Sales Centre focuses on hands-on execution. This helps companies move faster without extra hiring, and that's why they like working with this agency.

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Key Services: 

Outsourced sales teams: The Sales Center offers dedicated reps to handle outreach and qualification.

Lead nurturing: They also train their reps to follow up with Prospects until they are sales-ready.

Appointment setting: The agency also book meetings directly for sales teams, making the process of turning prospects into customers becomes faster and easier.

Sales reporting: They provide their clients with regular performance updates.

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Revenue: Their revenue is not disclosed 

Location: Liverpool, United Kingdom

Company Size: Exact numbers of employees are not available. But they offer tailored support for each client.

Pricing: They offer custom pricing, you can contact them directly

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6. LevelUp Leads

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LevelUp Leads is a performance-focused sales and marketing agency that helps B2B companies build outbound pipelines. They work with SaaS firms, service providers, and marketing agencies that want consistent meetings without internal sales strain. Their approach blends research, outreach, and follow-up.

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Why the Agency Stands Out: LevelUp Leads combines structure with flexibility. As a result, campaigns adapt quickly based on real engagement.

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Key Services:

Outbound lead generation: LevelUp Leads runs targeted email and LinkedIn campaigns designed to reach decision-makers at the right time.

Appointment setting: The agency qualifies prospects before meetings are scheduled, which saves time for sales teams.

ICP and messaging refinement: They help clients sharpen targeting and sales messaging for better responses.

Sales process alignment: LevelUp Leads also maps outreach to the client’s sales funnel and goals.

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Revenue: $3.5 Million-$5 Million

Company Size: 51-200 Employees

Location: California, USA

Pricing: Request a customized proposal directly from LevelUp Leads.

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7. Belkins

Belkins is a global b2b sales agency known for combining research, outbound execution, and appointment setting. They support tech companies and B2B service providers that need qualified sales conversations. Their campaigns focus on personalization and scale.

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Why the Agency Stands Out: Belkins balances automation with human oversight. This keeps outreach personal while scaling volume, and that’s why companies like working with this lead.

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Key Services: 

B2B lead generation services: Belkins builds and executes outbound campaigns tailored to specific industries.

Appointment booking: Their team also schedules qualified meetings directly for sales teams.

Email and LinkedIn outreach: The agency’s multi-channel campaigns increase response opportunities.

Campaign analytics: Belkins also uses performance data to refine messaging and targeting.

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Revenue: $85 Million Annually

Location: Delaware,  United States

Company Size: 201 to 500 employees

Pricing: They have custom pricing. You can contact them for your quote

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8. CoDev

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CoDev supports companies with sales outsourcing and recruitment, especially for offshore teams. They help businesses scale sales operations without the complexity of local hiring. Their services often support long-term growth.

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Why the Agency Stands Out: CoDev combines recruitment with sales execution. So businesses get trained teams, not just headcount. That’s why teams like to work with this agency so much.

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Key Services: 

Sales team recruitment: CoDev hires and trains dedicated sales reps for clients.

Outbound sales support: Their personal teams handle prospecting and lead qualification for their clients.

Sales operations management: They also structure processes to ensure consistency.

Long-term team scaling: With this agency, the clients can grow teams as revenue increases.

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Revenue: $50.9 million as of late 2024

Location: Utah, United States & Philippines

Company Size: 300 to 550 employees

Pricing: Their premium pricing starts from $5000 per agency.

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9. A-SALES AB

A-SALES AB is a European sales outsourcing company that works with B2B businesses and agencies. They help companies expand into new markets through outbound sales programs. Their approach is process-driven and scalable.

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Why the Agency Stands Out: A-SALES AB focuses on long-term sales partnerships. This supports steady growth rather than short bursts.

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Key Services: 

Outbound sales execution: A-SALES AB’s dedicated teams run prospecting and outreach.

Market expansion support: They build campaigns in such a way that help companies enter new regions.

Lead qualification: They vet their Prospects well before there’s a sales handoff.

Sales reporting: This agency also provides their clients with clear insights into outreach performance.

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Revenue: Their revenue is not disclosed

Location: Sweden, Europe

Company Size: 50-249 employees

Pricing: They offer custom pricing. You must contact the agency for more information.

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10. SalesAR

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SalesAR is a B2B-focused sales agency that helps companies book qualified meetings through personalized outreach. They work with SaaS firms, tech startups, and marketing agencies. Their process blends research with execution.

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Why the Agency Stands Out: SalesAR emphasises relevance and accuracy. So outreach feels tailored, not generic.

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Key Services:

Custom prospect research: SalesAR builds lists that are based on detailed client criteria.

Cold email outreach: They also write and build their campaigns to start real conversations.

Lead qualification: The agency also reviews prospects before meetings are booked.

Appointment scheduling: Finally their team also offers Sales-ready leads directly to sales teams.

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Revenue: Their revenue is not disclosed

Location: Kyiv, Ukraine

Company Size: 50 to 100 employees

Pricing: $50 to $99 per hour

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Selection Criteria

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We focused on how well each one supports real revenue growth rather than surface-level activity to shortlist the sales agencies in this guide. 

A strong sales agency should help businesses build repeatable systems, not just deliver short-term results.

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Ability to Drive Qualified Conversations

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First, we prioritized agencies that focus on quality conversations. That’s because meetings are useful only when prospects are a strong fit. 

Agencies that qualified leads carefully and align outreach with buyer intent ranked higher.

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Experience Across B2B Sales Models

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We also looked at experience across different B2B sales environments. This includes SaaS, services, and agency-driven models. 

Agencies that understood longer sales cycles, multiple decision-makers, and complex offers stood out.

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Sales Enablement and Process Strength

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Another important factor we kept in our minds was how agencies support sales enablement. Agencies that help to refine messaging, structure outreach, and improve follow-ups add more long-term value than those focused only on volume.

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Scalability and Team Structure

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Growth requires consistency. We evaluated whether agencies can scale outreach without losing quality. Teams with clear processes, trained reps, and performance tracking ranked higher.

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Transparency and Communication

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Finally, we favoured agencies that communicate openly. Clear reporting, realistic timelines, and honest feedback help businesses make better decisions and improve outcomes over time.

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Best Practices to Choose a Sales Agency

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When you choose the right partner for your company, it can shape how fast and how well revenue grows. So these best practices help businesses avoid costly mistakes.

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Define Your Sales Goals Early

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Before you choose an agency, clarify what success looks like. Is the goal more meetings, better-qualified leads, or sales team support? Clear goals will help agencies to design better strategies.

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Understand Their Sales Approach

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Ask how outreach is done. Some agencies focus on email, others on LinkedIn or calling. Understanding the approach ensures it aligns with your brand voice and sales motion.

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Evaluate Sales Talent and Training

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A strong sales recruitment agency invests in training. So always ask how reps are hired, trained, and managed. Skilled reps make a big difference in conversation quality.

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Start with a Pilot Program

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Once you test with a small campaign it will help you to evaluate the right fit for your company. So a pilot phase shows how leads feel, how communication flows, and how well teams collaborate.

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Keep Feedback Loops Active

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Sales campaigns improve with feedback, so give feedback to the agency you’re working with. Agencies that adjust messaging and targeting based on real responses usually deliver better long-term results.

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How Manyreach Helps

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Behind many successful sales agencies is a strong outreach foundation. Manyreach helps agencies run outreach campaigns safely, efficiently, and at scale.

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Manyreach supports sales agencies by organising outreach workflows, managing inbox activity, and maintaining sending health. This allows agencies to focus on strategy, conversations, and results instead of technical issues.

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One of its most valuable features is the spam checker, which scans both the email subject line and body content before sending. It highlights risky words, formatting issues, and patterns that could trigger spam filters. 

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Along with this, Manyreach also provides an overall email health score. This gives teams a clear understanding of deliverability risk before campaigns go live.

Manyreach helps agencies protect sender reputation, improve inbox placement, and keep outreach consistent across campaigns, by handling these checks.

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FAQs

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Which type of sales agency is best for B2B companies?

The best option depends on your goals. B2B-focused agencies with experience in outbound sales and lead qualification usually perform best for complex sales cycles.

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What makes a strong sales recruitment agency?

Strong agencies focus on hiring, training, and managing sales reps while aligning them with your sales process and goals.

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How can marketing agencies build effective sales teams?

Many agencies combine outsourced sales partners with internal marketing. This approach speeds up growth while keeping costs controlled.

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Can sales agencies help close deals, not just book meetings?

Yes. Many agencies support follow-ups, messaging refinement, and sales enablement to improve close rates.

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How long does it take to see results from a sales agency?

Most businesses start seeing early traction within the first one to three months, depending on sales cycle length and campaign complexity.

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Conclusion

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When you work with the right sales agency, it can remove much of the friction from revenue growth. So instead of building everything in-house, businesses can rely on experienced teams to handle outreach, qualification, and sales execution.

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The agencies listed in this guide help companies move faster, stay focused, and build predictable pipelines. With clear goals, strong collaboration, and the right outreach support, outsourcing sales can become a powerful growth strategy rather than a risk.

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