Sales development representatives lay the groundwork for successful sales. They do this by reaching out to potential customers and qualifying leads. SDRs can be part of an in-house sales team or they can be outsourced.
Outsourced SDRs, often working alongside virtual marketing assistants, are employed by a third-party vendor rather than the company that will ultimately close the sales. In this blog, we’ll explore the benefits of SDR outsourcing and share how to find the right SDR outsourcing company for your business. We will discuss offshore talent too.
Table of Contents
Why Companies are Turning to SDR Outsourcing

A study by the University of Maryland highlights how outsourcing sales allows organizations to remain agile in fluctuating demands. For startups, this could mean scaling prospecting efforts during a funding round. For established enterprises, it might be about testing new market segments without overcommitting resources. SDR outsourcing is not about relinquishing control. The best outsourcing partnerships are collaborative, with external teams working closely alongside internal stakeholders. Companies can ensure outsourced SDR efforts seamlessly integrate into their broader sales strategy by:
Clearly defining objectives
Aligning workflows
Maintaining regular communication
Cost-Effectiveness and Scalability
Hiring and training SDRs in-house can be expensive. It involves their salaries and other associated costs like:
Recruitment
Training
Benefits
Overhead expenses
By outsourcing SDRs, businesses can save on:
Recruitment
Training
Infrastructure costs
Outsourcing also allows for scalability, enabling companies to quickly ramp up or down the size of their SDR team according to their immediate needs.
Specialized Expertise
Outsourcing SDRs enables access to specialized expertise and best practices. These external agencies or contractors have a pool of experienced professionals who are well-versed in the latest sales strategies, such as:
Lead generation
Qualification techniques
Effective communication strategies, as well as technologies
Leveraging their expertise can improve lead conversion rates, overall sales performance, and the chance of closing deals.
Maximizing Efficiency and ROI
Investing in sales development can significantly improve your sales efforts' efficiency and return on investment (ROI). By assigning outsourced SDRs the task of targeting the right audience and focusing on qualified leads, you can avoid wasting time and resources on uninterested prospects. This SDR support can help increase effectiveness and efficiency, which ultimately leads to a higher conversion rate and revenue generation.
Increased Focus on Core Competencies
By outsourcing SDRs, companies can free up internal resources and refocus them on core competencies. This streamlined approach ensures that the sales team can concentrate and spend more time on high-value activities, which can ultimately help drive revenue growth, such as:
Nurturing existing customer relationships
Building relationships
Meeting goals
Scalability
As your business grows, scalability becomes important for achieving success. Outsourcing sales development provides a scalable framework for consistently generating qualified leads. This scalability ensures that your sales efforts keep pace with your business's growth, allowing you to capture new opportunities and expand your customer base.
Flexibility in Time Zones
For organizations with a global presence, outsourcing SDRs can provide round-the-clock coverage. By leveraging teams in different time zones, businesses can ensure that leads are responded to promptly, regardless of geographical location.
Access to Advanced Technology and Tools
Outsourcing partners often have access to cutting-edge technology and tools to enhance sales development processes' effectiveness and efficiency. These include CRM platforms, lead generation software, and analytics tools, enabling better:
Tracking
Reporting
Performance management
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What Do SDR Outsourcing Companies Offer?

Lead Generation & Prospecting
Outsourced SDR (Sales Development Representative) teams research and identify potential leads based on your ideal customer profile. They use tools like LinkedIn, sales databases, and market intelligence platforms to find contacts most likely to benefit from your product or service.
Cold Outreach (Email, Phone & LinkedIn)
Once leads are identified, SDRs begin outbound outreach. This often includes:
Cold calling to spark initial conversations
Personalised email campaigns to nurture interest
LinkedIn networking to build relationships
These touchpoints are crafted to be targeted and strategic, driving interest and engagement without sounding spammy.
Lead Qualification
Outsourced SDRs don’t just pass every contact over to your sales team. They qualify prospects by asking the right questions to determine need, budget, authority, and timeline (commonly known as BANT or similar qualification frameworks). Only warm, sales-ready leads are handed off to your closers.
Appointment Setting
Once a lead is qualified, the SDR will schedule a sales meeting or product demo with your internal sales or account executive team. This means your in-house reps spend more time selling and less time chasing cold leads.
CRM & Sales Tools Management
SDR outsourcing companies often work directly within your CRM or sales tools (e.g., Salesforce, HubSpot, Outreach). They ensure lead data is properly tracked and reported, helping you maintain visibility into the pipeline and campaign performance.
Reporting & Insights
You’ll typically receive regular performance reports that include metrics such as:
Number of leads contacted
Meetings booked
Email open and reply rates
Lead conversion rates
This transparency helps you gauge ROI and adjust strategies if needed.
Flexible Scaling
Do you need to ramp up activity during a new product launch or seasonal push? Outsourced SDR teams can scale up or down more easily than in-house teams, giving you agility without long-term hiring commitments. In short, SDR outsourcing companies act as an extension of your sales team, helping you reach more prospects, book more meetings, and grow your business, without the cost and complexity of hiring internally.
Top 15 SDR Outsourcing Companies To Hire For Sales Growth
1. Founders Arm

Looking to build your dream team without the hiring headaches? Founders Arm connects you with pre-vetted, top-tier offshore talent at 60% less cost than traditional hiring. Skip the lengthy recruitment process and get exceptional engineers, marketers, or executive assistants onboarded in under two weeks, no payroll hassles included. Take your startup to the next level with professionals who hit the ground running from day one. We've helped Cal AI scale influencer marketing to reach millions, Pam build backend operations to support rapid growth, Turbolearn AI amplify its reach in the education market, and many more. Want a two-week free trial with our offshore talent? Try out an engineer or virtual marketing assistant completely for free.
2. CIENCE Technologies
CIENCE Technologies is a leading outsourced sales development company with a strong reputation for helping B2B businesses accelerate their sales pipeline. They offer various services, from lead qualification to appointment setting and full sales outsourcing.
Key Features
People-as-a-Service Model: CIENCE provides dedicated, experienced SDRs who integrate with your team, acting as an extension of your in-house salesforce.
Comprehensive Lead Research: CIENCE focuses on in-depth market research to identify the best-fit leads, ensuring your outreach is targeted and efficient.
Multichannel Strategy: They engage prospects through various channels, including emails, calls, LinkedIn, and direct mail, optimizing the chances of success.
Customizable Campaigns: CIENCE tailors its services to meet each client's specific needs, offering both long-term strategies and one-off projects.
3. Belkins
Belkins is known for its high-quality appointment setting services, helping businesses connect with the right decision-makers in their target markets. Their bespoke approach focuses on building relationships and driving engagement with prospects.
Key Features
High-Quality Appointment Setting: Belkins specializes in setting up meetings with key decision-makers, increasing the likelihood of valuable sales conversations.
Personalized Outreach Campaigns: They focus on crafting highly personalized, researched emails and LinkedIn messages that resonate with your ideal customer.
Lead Qualification: Belkins doesn’t just book appointments; they also qualify leads to ensure every meeting is with a prospect who’s a genuine fit for your product or service.
Focus on Deliverability: Their expertise in email deliverability ensures that your cold outreach reaches the inbox without getting lost in spam folders.
4. DemandZEN
DemandZEN is an expert in B2B lead generation, focusing strongly on tech and SaaS companies. Their strategic, targeted approach to outbound sales is ideal for businesses looking to break into new markets or scale their current outreach efforts.
Key Features
B2B Lead Generation: DemandZEN specializes in generating high-quality B2B leads, particularly in the tech and SaaS industries, ensuring your pipeline is filled with relevant prospects.
Scalable Solutions: They offer scalable SDR solutions, meaning that no matter your company’s size or needs, they can tailor their outreach to fit your goals.
Appointment Setting and Outreach: DemandZEN handles everything from initial prospecting to setting appointments with high-level decision-makers.
End-to-End Sales Support: DemandZEN doesn’t just stop at lead generation; they offer full-service SDR support, including lead nurturing, follow-up strategies, and more.
5. Martal Group
Martal Group focuses on global B2B lead generation and appointment setting, especially for businesses targeting international markets. They provide SDRs specializing in building strong, ongoing relationships with prospects, creating an efficient lead-to-conversion process.
Key Features
Multilingual Outreach: With expertise in multiple languages, Martal Group offers international outreach, making them ideal for global campaigns.
High-Quality Lead Qualification: Martal’s SDRs are trained to identify and qualify leads that meet your ideal customer profile, ensuring higher conversion rates.
Full-Funnel Sales Development: They manage everything from lead generation to appointment setting and nurturing, ensuring every funnel part is covered.
Industry Expertise: Martal Group has deep experience in IT, SaaS, and other B2B sectors, making them an excellent fit for businesses in these industries.
6. Operatix
Operatix specializes in helping B2B companies scale their sales pipelines quickly and effectively. Their team of experienced SDRs works with you to implement highly targeted outreach strategies to engage decision-makers in competitive industries.
Key Features
Complex Sales Cycles: Operatix has expertise in managing longer, more complex sales cycles, ensuring no lead is left behind.
Sales Playbooks: They create tailored playbooks to guide SDRs through every stage of the outreach process, optimizing for efficiency and success.
High-Volume Lead Generation: Operatix can handle high-volume prospecting, helping businesses scale their outreach efforts rapidly.
Tech-Driven Strategies: They combine sales intelligence tools and automation to streamline lead generation, ensuring optimal results.
7. SalesRoads
SalesRoads is a US-based outsourced SDR company known for its hands-on approach to lead generation. They provide highly skilled, dedicated SDRs who focus on building relationships and nurturing leads through each stage of the funnel.
Key Features
Dedicated SDRs: SalesRoads provides dedicated SDRs who work exclusively on your account, allowing a deeper understanding of your business and prospects.
Transparent Reporting: They offer in-depth reporting on campaign performance, ensuring you have full visibility into the success of your outreach efforts.
Comprehensive Lead Nurturing: Beyond initial outreach, SalesRoads excels in nurturing leads through follow-up emails, calls, and LinkedIn touchpoints.
Industry Expertise: Their team has experience in multiple industries, allowing them to craft outreach strategies tailored to specific markets.
8. CloudTask
CloudTask offers outsourced sales solutions focusing on:
Lead generation
Appointment setting
Customer support
They use AI and automation to improve the efficiency of their SDR campaigns and help businesses scale rapidly.
Key Features
AI-Driven Outreach: CloudTask utilizes AI to optimize messaging and outreach strategies, ensuring higher engagement and lead conversion.
Full Sales Cycle Support: Besides lead generation, CloudTask offers end-to-end sales development, handling everything from initial contact to follow-up and appointment setting.
Flexible Solutions: They offer customizable packages, meaning you can choose the level of support that best fits your business needs.
Scalable Operations: CloudTask can scale its services quickly, making it an excellent choice for expanding businesses.
9. EBQ
EBQ is a full-service sales development agency that offers outsourced SDR services, comprehensive lead generation, appointment setting, and sales support. Their team integrates directly with your existing sales team, helping you build a seamless sales process.
Key Features
End-to-End Sales Support: EBQ provides SDR services, sales operations support, lead qualification, and CRM management.
Customizable Plans: They offer flexible pricing and service models, allowing you to tailor their offerings to your needs.
Strong Focus on Reporting: EBQ emphasizes detailed tracking and reporting, so you can measure the ROI of each campaign and optimize accordingly.
Experienced SDRs: Their SDRs are highly trained and experienced in B2B outreach, ensuring your leads are in good hands.
10. RevGenius
RevGenius is an innovative sales development agency focusing on personalized outreach to help businesses scale their sales efforts. They pride themselves on staying ahead of the curve with new technologies and trends in sales development.
Key Features
Cutting-Edge Sales Strategies: RevGenius integrates the latest trends and technology into their outreach strategies, ensuring that campaigns are constantly evolving.
Data-Driven Insights: They provide real-time reporting and analytics, helping you make informed decisions about your sales strategy.
Lead Generation & Qualification: RevGenius offers lead generation and qualification services, ensuring that only the highest quality leads move forward in the sales process.
Industry-Focused Solutions: They specialize in SaaS, tech, and other fast-growing industries, bringing deep industry knowledge to every campaign.
11. Salesroads
Salesroads is an American-based SDR outsourcing company that was founded in 2006. They help industrial companies grow by providing appointment Setting and SDR Outsourcing Services. The founder of Salesroads, David Kreiger, initially proposed a remote organization employing military spouses. This was just the first step in their path towards building their company. They have helped 430 companies reach their sales potential, creating more than 50,000 new opportunities for their partners.
12. EngageTech
EngageTech provides plug-and-play SDR teams capable of quickly delivering a predictable flow of qualified opportunities. This service is geared toward businesses seeking to enhance their sales development efforts without the downtime typically associated with ramping up new teams. A big part of EngageTech’s offering is a specialized SDR service featuring expert teams trained to identify and qualify leads, facilitating swift market penetration and lead generation. Their services are designed for companies aiming to establish an SDR function in new markets, ensuring a smooth transition without operational delays. This offering further extends to:
Improving existing SDR efforts
Providing flexibility
Support to bolster in-house teams
Tailored Prospecting Backed by Real-Time Sales Intelligence
The company adopts a tailored approach, training its SDRs in client-specific products and messaging to ensure accurate representation. For example, clients can specify target accounts or opt for open prospecting within their desired markets. EngageTech’s powerhouse is their sales intelligence platform, which utilizes an extensive B2B database and insights gleaned from over 50,000 weekly calls to identify:
Key buyers
Optimizing outreach
Engagement strategies
13. Nerdy Joe
Nerdy Joe is a lead generation agency for B2B companies. It offers productized services to nurture, generate, and retain customers for brands like:
Vidico
Banzai
Mero
Their services are designed to fill your calendar with more sales-qualified leads and grow predictably month over month without resorting to spammy tactics. NerdyJoe's offerings extend to appointment setting through personalization to cultivate relationships with potential clients and ensure meetings are set only with genuinely interested parties, thus reducing no-show rates.
14. EBQ
EBQ’s outsourced SDR service aims to improve lead generation through professional outbound calling. Their SDRs specialize in cold calling, qualifying leads, and setting meetings, ensuring that high-quality leads are engaged and moved further down the sales funnel.
Here’s what makes EBQ’s services stand out:
Dedicated Team for Success: Clients work with a full lead generation team committed to their project’s success, including:
Business consultant
Project manager
Dedicated specialist
Brand Representation: EBQ works directly out of your tools and invests time in understanding what makes your brand unique in the industry, ensuring accurate representation while pursuing SQLs.
Appointment Generation Focus: EBQ's SDRs recognize the importance of warming up cold leads, so they engage prospects through multiple channels and effectively prepare them for a sales call.
Transparency and Productivity: EBQ provides real-time updates and regular check-ins, offering full visibility into the sales development process. Their onboarding and training processes enable a rapid start, often within five days from the kickoff call.
Flexible and Cost-Efficient Contracts: With month-to-month contracts, EBQ allows scalability and flexibility without setup or cancellation fees, providing a tailored approach to each project.
US-Based Team: Our Texas-based and US-based teams ensure seamless communication and a deep understanding of local market dynamics, enhancing outreach strategies.
EBQ’s approach establishes relationships with leads, pushes them further down the sales funnel, and gets them excited for your sales call.
15. Operatix
Operatix (by MemoryBlue) is an outsourced SDR agency that accelerates growth for B2B software vendors by generating pipeline and revenue worldwide. Its services are designed to engage and convert key target accounts, maximize conversion from MQL to SQL, and increase revenue and ROI on marketing activities. Its high-performing sales development teams specialize in helping B2B software vendors generate pipeline and revenue worldwide. This includes proactive outbound strategies to connect with key target accounts across:
North America
EMEA
LATAM
APAC
Here’s an overview of Operatix’s offerings:
Inbound Lead Qualification. Operatix helps maximize conversion from MQL to SQL, leveraging every lead in the competitive B2B tech industry.
Marketing Acceleration Services. They offer full-service marketing acceleration focused on generating marketing-sourced revenue for their customers.
Global Coverage. With expertise in selling in 22 different languages and a deep understanding of international markets, Operatix offers global coverage to its clients.
Deep Knowledge of the B2B Tech Market. Operatix’s operation is segmented by business pods that cover specific technology verticals within the B2B tech market, including cybersecurity, big data & analytics, cloud, fintech, and more.
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Key Traits To Look for In An SDR Outsourcing Partner

Building a Robust SDR Outsourcing Team
Relying solely on outsourced SDRs isn’t a silver bullet for success. When scouting for vendors, assess the complete team framework, considering management and operational roles, beyond just the SDRs. This includes:
A dedicated client manager who tracks progress and turns your visions into actionable strategies.
A committed talent developer who continually elevates your outsourced reps through advanced sales training.
A data operations team ensures flawless lead generation and CRM integration.
A comprehensive outsourced team supported by a robust infrastructure eliminates any misalignment in the handoff process, program strategy, lead quality, or communication flow.
Look for Realistic ROI Expectations
Be cautious of vendors that promise a specific number of appointments. Reputable partners will offer a range of expected outcomes, tailored to factors unique to your business, such as market size, target prospects, appointment criteria, and the strength of your value proposition.
Assess Data Quality and Management
The effectiveness of an appointment-setting campaign hinges on the quality of data. Be wary of vendors that: Rely on your SDRs to compile prospect lists. This can divert valuable time away from engaging potential clients and delay ROI. While SDRs should be adept at pre-call research, their primary value lies in prospecting. Use only the data you provide. Vendors that depend entirely on your data may later blame poor results on the quality of the list you supplied. Choose a partner that offers a robust mix of internal and external data to ensure your reps can start delivering results from day one, without data-related accountability issues.
Seek Industry-Specific Experience and Decision-Maker Acumen
No single appointment-setting service excels in every industry. A good way to gauge a vendor’s expertise is to ask about the industries or verticals they don’t cater to. If they cannot provide a clear answer, it might indicate a lack of specialization in their approach. For instance, if you’re reaching out to decision-makers in the SLED and FED industries, your outsourcing partner must have in-depth knowledge and expertise in government public appointment settings.
Continuous Training and Coaching for SDRs
First impressions are pivotal in a cold call, and even the most skilled SDRs need more than a quick overview of your product to represent your brand effectively, so it’s essential to understand how a potential partner trains and coaches their SDRs. Insufficient training and lack of ongoing coaching can negatively impact your brand’s reputation. The company you choose will become an extension of your organization and brand. When deciding among several sales providers, prepare a table to compare and contrast these points to find the best option for your business, and always look for proof.
Offshore Talent, On-Demand: Scale Smarter with Pre-Vetted Pros
Looking to build your dream team without the hiring headaches? Founders Arm connects you with pre-vetted, top-tier offshore talent at 60% less cost than traditional hiring. Skip the lengthy recruitment process and get exceptional engineers, marketers, or executive assistants onboarded in under two weeks, no payroll hassles included. Take your startup to the next level with professionals who hit the ground running from day one. We've helped Cal AI scale influencer marketing to reach millions, Pam build backend operations to support rapid growth, Turbolearn AI amplify its reach in the education market, and many more. Want a two-week free trial with our offshore talent? Try out an engineer or virtual marketing assistant completely for free.
Common Challenges And How To Mitigate Them

Aligning Outsourced SDR Teams with Internal Goals and Expectations
Clearly defined goals and expectations are vital for successful outsourced sales development team operations. Ensuring that the outsourced SDR provider fully understands your objectives prevents costly mistakes. These help avoid any mismatch of expectations early on, such as:
Establishing performance metrics
Encouraging ongoing feedback
Regularly reviewing progress
Integrating Outsourced SDR Teams with Internal Processes
Outsourced SDR teams must work closely with internal sales and marketing teams. This involves integrating tools and technologies and synchronizing workflows and strategies. Providing adequate training and establishing open communication channels between internal and outsourced teams can facilitate this integration and improve collaboration.
Ensuring Consistency in Lead Quality
Ensuring that leads qualified by outsourced SDRs meet the quality criteria required by the internal sales team is essential. This can be achieved through rigorous qualification processes and advanced data analysis tools. It is also important to provide constant feedback to the outsourced team.
Managing the Vendor Relationship
To ensure fruitful collaboration, actively managing the relationship with the outsourced SDR provider is necessary. This includes:
Negotiating clear contracts
Regularly reviewing performance
Swiftly resolving any issues
Adaptability to Market Changes
Customer needs and market conditions can change rapidly, and the outsourced SDR team must adapt. This requires adjusting strategies and tactics in response to new trends and challenges.
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Try Out an Engineer or Assistant for Two Weeks for Free - Book a Call to Learn More
You want to build your dream team without the hiring headaches. That's where Founders Arm comes in. We connect you with pre-vetted, top-tier offshore talent at 60% less cost than traditional hiring. Founders Arm eliminates the lengthy recruitment process so you can onboard exceptional engineers, marketers, or executive assistants in under two weeks, with no payroll hassles. Our offshore talent hits the ground running from day one, so you can take your startup to the next level. We've helped Cal AI scale influencer marketing to reach millions, Pam build backend operations to support rapid growth, Turbolearn AI amplify its reach in the education market, and many more. Want a two-week free trial with our offshore talent? Try out an engineer or virtual marketing assistant completely for free.