Choosing the Best Outsourced SDR Companies: A Comprehensive Guide

When comparing services and products online, it can be tough to determine who’s being truthful. Many blog posts tend to be filled with self-promotion, subtly praising themselves while downplaying the competition. 

That’s not what we’re doing here. While we’d love for you to choose RevBoss from the ten options we’re about to present, if you decide otherwise, that’s completely okay.

Now, when we say “best,” we’re referring to the most widely discussed companies, not necessarily the most efficient companies. You may notice that some companies lack enough data for pros and cons; we won’t make those up. This is an honest review based on thorough research.

Ready? Let’s go. 

The Top 10 Outsourced SDR Companies 

RevBoss

RevBoss Demo - Transparent Reporting

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Overview:
RevBoss positions itself as a managed platform designed to drive long-term growth for small businesses. It blends technology with a hands-on approach, offering software and guidance from a US-based team of growth strategists. RevBoss focuses on sending the right message to the right person at the right time and surrounding target customers with strategic, multi-channel outreach. This integrated approach weaves outbound email with display ads, retargeting, and content marketing for a cohesive and efficient sales process for companies with small teams.

Services Offered:

  • Reply Management-as-a-Service
  • Sales Prospecting As A Service
  • Managed Service
  • Targeted prospect segments
  • Sales flows
  • Personalized content
  • Analytics and reporting

Pros and Cons
✅ Excellent customer service and communication

✅ Thoughtful, personalized strategy for lead generation

✅ High-quality leads and responsive team

✅ Transparent, easy-to-use dashboard for tracking and reporting

✅ Flexible and adaptable to feedback

❌ The platform could be more user-friendly

❌ Some industries may be less successful with outbound targeting

Pricing:

RevBoss subscriptions start at $2,500 per month, which includes access to the RevBoss platform, prospect data feeds, and custom multi-channel marketing workflows. Pilot programs are available, and discounts are offered for 12-month agreements.

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Salesroads

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Overview:
SalesRoads offers tailored sales outsourcing services that simplify revenue operations and enable smooth growth. With a team of experienced domestic SDR professionals, they help businesses focus on closing deals by managing lead generation. Their fit-to-purpose strategies are designed to align with unique business goals, though initial collaboration is key to fine-tuning these efforts. SalesRoads’ hands-on approach ensures campaigns benefit from their experienced talent from day one.

Services Offered:

  • Outbound Email
  • Outbound Calling
  • List Building

Pros and Cons:
✅ Speed to market, quality of process, and hands-on leadership.
✅ Effective lead generation tailored to specific verticals.
✅ Dedicated support from the CEO and personalized customer service.
❌ Initial setup takes time, sometimes up to three weeks.
❌ Metrics reporting could be more streamlined and timely.
❌ Requires upfront collaboration to fine-tune strategies.

Pricing:

  • Smart Email Appointment Setting: Starts at $5,500 per 4 weeks
  • Full SDR Appointment Setting: Starts at $9,500 per 4 weeks
  • Opportunity IQ Lead Generation: Starts at $9,500 per 4 weeks

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Martal Group

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Overview:
Martal Group specializes in leveraging human intelligence and AI-powered data to accelerate B2B sales for companies of all sizes, from startups to Fortune 500 firms. With over a decade of experience, their international team of 200+ top-rated sales reps offers tailored sales solutions, helping clients skip the hassle of prospecting and scale their operations faster. Their combination of expertise and technology allows them to effectively manage every sales pipeline stage.

Services Offered:

  • B2B Appointment Setting
  • Sales Outsourcing
  • Lead Generation

Pros and Cons:
✅ Highly skilled sales engineers matched with clients based on industry knowledge.
✅ Systematic lead generation using email, LinkedIn, and calling.
✅ Effective at amplifying outreach while staying true to client branding.
❌ Timezone differences can cause occasional communication delays, especially for EU-based clients.
❌ CRM integration could be smoother.
❌ Upfront effort is needed to identify the perfect target market, but results improve over time.
❌ The variety of options can sometimes feel overwhelming, but they provide valuable insights.

Pricing:
Martal Group offers an ROI calculator where clients can input their current sales metrics to estimate the return on investment when partnering with them. You can also request pricing

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Belkins

Belkins Demo - Belkins' Services

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Overview

Belkins stands out by offering more than just leads. They become an integral extension of your sales team, meticulously tailoring each outreach to your unique business needs. Specializing in appointment setting, cold outreach, and account-based marketing, they fill your pipeline with high-quality, vetted leads that align perfectly with your target audience. Their data-driven approach ensures each campaign is personalized, delivering wins like closed contracts within the first month and building long-term opportunities.

Services Offered:

  • Appointment Setting
  • Cold Email Outreach
  • Intent-Based Cold Calling
  • Account-Based Marketing
  • Lead Generation Training
  • Outsourced SDR Service
  • LinkedIn Lead Generation

Pros and Cons:
✅ Custom outreach strategies matched to business needs.
✅ Hands-on communication with clear updates and adjustments.
✅ Strong sales pipeline development and rapid lead generation results.
✅ Team of experts providing consistent lead flow and meeting business goals.
❌ Higher pricing compared to other providers.
❌ Some issues with initial email messaging needing heavy revisions.
❌ Occasional missteps with LinkedIn messaging accuracy, leading to negative responses.
❌ At times, a lack of accountability when campaigns did not meet expectations.

Pricing:
Pricing is customized, and quotes are available upon request.

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Cleverly

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Cleverly revolutionizes LinkedIn lead generation with a streamlined, fully managed service. By utilizing insights from thousands of B2B campaigns, Cleverly crafts and delivers personalized outreach messages that engage high-quality prospects. This platform efficiently turns LinkedIn into a lead generation powerhouse, driving targeted decision-makers directly into your sales funnel with minimal effort required. Cleverly’s approach ensures a steady influx of qualified leads and optimizes your LinkedIn presence to enhance sales outcomes.

Services Offered:

  • LinkedIn Appointment Setting
  • LinkedIn Lead Generation
  • LinkedIn Content & Ghostwriting
  • LinkedIn Profile Optimization

Pros and Cons:

✅ Delivers targeted leads with minimal effort.

✅ Effective automation and personalization for outreach.

✅ Fast and easy onboarding process.

✅ Strong results with increased pipeline health.

✅ Excellent customer support and flexibility.

❌ Pricing may be a concern for smaller firms.

❌ Some messaging may come across as robotic.

❌ Limited transparency on cold/warm lead status.

❌ Initial results might take a few weeks to manifest.

Pricing:

  • Silver: LinkedIn Outreach + Proven Sales Expert – $397/mo
  • Gold: LinkedIn Outreach + Proven Sales Expert – $697/mo
  • Platinum: LinkedIn Outreach + Sales Expert + Appointment Setting – $997/mo

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Memory Blue

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Overview:
memoryBlue stands out in the B2B sales landscape with its deep lead generation and development expertise. For over two decades, memoryBlue has been a go-to partner for high-tech firms aiming to overcome sales challenges and drive global revenue growth. By leveraging a team of seasoned professionals, memoryBlue delivers tailored sales strategies and lead-generation solutions that effectively fill sales pipelines and enhance business growth. Their well-regarded reputation and comprehensive services make them a solid choice for businesses seeking to elevate their sales performance.

Services Offered:

  • B2B Lead Generation
  • Sales Development Services
  • Sales Recruitment
  • Targeting Public Sector
  • Lead Generation Services
  • SDR Services
  • Outsourced BDR Services
  • Sales Training and Coaching

Pros and Cons:

✅ Excellent collaboration and weekly communication on lead status and strategy.

✅ Flexible and integrates well with existing tools for real-time visibility.

✅ Effective in nurturing leads with multi-touch cadences.

✅ Professional and responsive team with a strong track record.

✅ Significant reduction in time spent on direct management.

❌ Higher cost compared to hiring internal SDRs.

❌ Quality of leads can vary; focus on quantity may impact lead quality.

❌ Limited visibility into cold/warm lead status.

❌ Short tenure of SDRs may lead to time lost in training new staff.

Pricing:

Pricing details are not disclosed. Contact memoryBlue for an estimate.

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LevelUp Leads

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LevelUp Leads differentiates itself from typical lead generation agencies by offering a premier done-for-you sales development service. Renowned for generating high-quality leads and setting qualified appointments, they focus on immediate results and long-term sustainable growth. With a commitment to hiring top-tier talent and a comprehensive management approach, LevelUp Leads integrates various marketing channels with direct outreach to create a robust sales strategy tailored to your business needs.

Services Offered:

  • SDR Packages
  • Fractional SDR
  • Full-Service SDR
  • Cold Calling
  • SEO
  • Blog Posting
  • LinkedIn Posting
  • List Building

Pros and Cons:

✅ Empathetic and customer-centric approach.

✅ Exceptional service and attentiveness.

✅ Transparent and honest team.

✅ Great communication and quality leads.

✅ Responsive and cooperative.

❌ Occasionally, minor errors due to the high volume of leads.

❌ As a small team, urgent issues might be harder to escalate.

❌ Sometimes feels like a transactional relationship rather than a true partnership.

Pricing:

Schedule a call with LevelUp Leads for pricing information.

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Nerdy Joe

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Nerdy Joe is a lead generation agency focused on helping businesses boost their sales meetings and meet SQL quotas efficiently. They offer a range of plans that cater to different needs, providing quick setup and regular performance reports through Basecamp. This approach increases the chances of predictable growth and effective lead generation without overwhelming your contacts.

Services Offered:

  • Outbound Lead Generation
  • Lead Research
  • Appointment Setting

Pros and Cons:

Not enough data available. 

Pricing:

Book a consultation for more information.

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Uproar Partners

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Uproar Partners is a specialized outsourced sales and sales recruiting solution tailored for B2B tech firms. They handle the full spectrum of sales activities, from generating leads and booking demos to managing sales teams and developing strategies. Their comprehensive service ensures that clients can focus on their core business, while Uproar Partners drives revenue growth with a high level of expertise.

Services Offered:

  • Prospecting & Outreach
  • SDR Services
  • Account Executive Services
  • Customer Success
  • Sales Strategy & Playbooks

Pros and Cons:

✅ Patient listeners who are proactive in process creation.

✅ Highly organized and timely with follow-ups.

✅ Effective in helping define ICPs and talking points.

✅ Genuine team efforts to understand business and brainstorm strategies.

❌ High cost but considered worth the investment.

❌ Takes time to ramp up; internal hiring may have similar delays.

❌ Sales verbiage can sometimes be too sales-oriented rather than personal.

❌ Potential for unqualified leads or no-shows with cold calls.

Pricing:

Contact Uproar Partners for more information.

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Operatix

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Operatix provides high-performing Sales Development Teams that help B2B software vendors accelerate growth through pipeline generation and revenue enhancement across global markets. With a deep understanding of the B2B tech landscape, local cultures, and buying behaviors, Operatix effectively engages with clients in the IT sector. They are part of MemoryBlue, enhancing their lead generation and sales development capabilities.

Services Offered:

  • Outbound Sales Development
  • Account-Based Selling
  • Lead Qualification
  • Cold Prospecting
  • Account Identification
  • Sales Qualified Leads

Pros and Cons:

✅ Professional and strategic engagement with dormant partners.

✅ Valuable insights gained through effective communication.

✅ High quality and quantity of incoming leads.

✅ Openness to collaboration and adaptability to feedback.

✅ High-caliber talent assigned to projects.

❌ Minor improvements needed in reporting detail.

❌ Churn of personnel can occur but is well-managed.

Pricing:

Contact Operatix for pricing details.

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Why Outsource SDR Services?

Instead of investing in the time-consuming process of hiring, training, and managing an in-house SDR team, you can partner with experts who already know the ropes. Outsourcing reduces overhead costs and turns fixed expenses into variable costs. It’s a smart financial move that allows you to focus your budget where it counts most.

How to Choose the Right Outsourced SDR Company?

  • Look for SDR companies with proven experience in your industry or a similar field. Ask them about their previous results. If they’ve consistently delivered high-quality leads and met performance targets, that’s a strong indicator of their capabilities.
  • Find out what CRM, marketing automation, and analytics tools the SDR company uses and whether they integrate with your existing stack. 
  • Outsourced SDR services come with different pricing models –  some charge per lead, others have a flat fee or monthly retainer. Understand what you’re getting for your investment and how it aligns with your budget and expected ROI. A transparent pricing structure can help avoid surprises down the road.
  • Some companies excel at high-volume lead generation, while others focus on personalized, relationship-building strategies. As you’ve seen above, some might focus exclusively on LinkedIn lead gen. Understanding these nuances can help you choose the right provider. 

When Might Outsourcing SDRs not work?

  • If the outsourced team doesn’t understand your company’s values and culture, it may struggle to represent your brand to potential clients.
  • For highly technical or niche products, in-house SDRs might be better equipped to convey the necessary knowledge and expertise to prospects.
  • In industries where changes happen quickly, having an internal team can allow for more agile responses than an outsourced team that may take longer to adapt.
  • If your sales process involves significant qualification steps or requires deep relationship-building, outsourcing might not provide the personalized touch needed.

It’s important to remember that these points are case-specific and not set in stone. Ultimately, you should evaluate your needs – consider your budget, how well your sales team aligns with the outsourced team, and other relevant factors. Use these insights to help shortlist potential SDR agencies. If you’ve contemplated outsourcing, you might just find your perfect partner!