Sales Development Representatives (SDRs) find leads, qualify prospects, and book meetings for your sales team. But hiring and managing SDRs in-house is expensive and time-consuming.
Outsourcing your SDR function gives you access to trained professionals, proven systems, and scalable capacity. You focus on closing deals while the outsourced team fills your pipeline.
Here are the top 10 outsourced SDR companies to consider.
Why Outsource SDR Services?
Building an in-house SDR team takes months of hiring, training, and ramp-up time. Outsourcing skips all that. You get a team that’s ready to prospect from day one.
The benefits are clear: lower costs, faster scaling, and access to experienced sales professionals. You free up internal resources to focus on closing and customer success.
Top 10 Outsourced SDR Companies
1. Martal Group
Martal Group delivers outsourced lead generation and appointment setting across industries. Their trained SDRs learn your target market and deliver qualified leads. Known for personalized campaigns and measurable results.
Best for: Companies wanting a dedicated, full-service SDR team.
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2. Operatix
Operatix specializes in sales acceleration for tech companies. They handle lead gen, appointment setting, and pipeline management. Data-driven approach with deep industry expertise.
Best for: SaaS and technology companies looking to scale fast.
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3. Belkins
Belkins focuses on B2B lead generation and appointment setting. They combine smart tech with skilled SDRs to run efficient outreach campaigns. Proactive, detail-oriented, and results-focused.
Best for: B2B companies across industries needing qualified appointments.
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4. CIENCE
CIENCE blends human intelligence with technology for personalized lead generation. Rigorous training programs and advanced analytics ensure quality leads. Works with businesses of all sizes.
Best for: Companies wanting a data-driven, personalized SDR approach.
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5. SalesRoads
SalesRoads is a U.S.-based leader in outsourced SDR services with 15+ years of experience. 100% U.S.-based SDR teams, dedicated account management, and real-time analytics. Proven track record for mid-market and enterprise clients.
Best for: Mid-market and enterprise B2B companies in North America.
6. Vendition
Vendition trains and places SDRs for growing companies. Their team uses proven methods and modern tech to deliver targeted leads. Strong focus on collaboration and transparency.
Best for: Companies looking for trained SDR talent with ongoing support.
7. Nerdy Joe
Nerdy Joe runs personalized email and LinkedIn outreach campaigns. Every message is custom-written with dedicated research per lead. No generic automation, higher response rates guaranteed or money back.
Best for: Startups and SaaS companies wanting hyper-personalized outreach.
8. The Scalers
The Scalers builds dedicated offshore SDR teams, primarily in Bangalore. End-to-end recruitment, onboarding, and management. Focuses on long-term team retention and cultural fit.
Best for: Companies wanting cost-effective, long-term offshore sales teams.
9. Enshored
Enshored provides managed SDR solutions for startups and scaleups. Delivery centers in the Philippines and Portugal. Multilingual teams, CRM integration, and flexible scaling.
Best for: Venture-backed startups needing agile, scalable sales support.
10. B2B Appointment Setting Specialists
Specialized firms focused solely on booking qualified B2B appointments. They handle prospecting and qualification so your closers spend time only on warm leads.
Best for: Companies that need a high volume of qualified meetings fast.
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Quick Comparison
| Company | Best For | Pricing | Scalability |
|---|---|---|---|
| Martal Group | Full-service SDR | Custom quotes | High |
| Operatix | Tech companies | Transparent packages | High |
| Belkins | B2B lead gen | Competitive, flexible | High |
| CIENCE | Data-driven approach | Custom quotes | High |
| SalesRoads | U.S.-based enterprise | Performance-based options | High |
How to Choose the Right Partner
Start with your goals. Do you need a full pipeline or just more meetings? Consider your budget, target market, and sales cycle length.
Book demos with 2-3 providers. Ask about their training process, reporting cadence, and past results in your industry. Talk to their references.
The right SDR partner fills your calendar with qualified leads so your closers can do what they do best, close deals.
