Top Sales Development Representative (SDR) Services Companies

A high-performing Sales Development Representative (SDR) Services solution can accelerate growth, boost customer engagement, and create new revenue streams—but only if it's built by a team you trust. Edverise makes it easy to connect with leading Sales Development Representative (SDR) Services companies around the globe. Providers and reviews are vetted extensively to ensure that we capture verified client feedback, project details, and measurable results. Use Edverise's filters to sort partners by budget, industry expertise, and location. Start comparing profiles to find the right match for your project.

Ratings Updated: August 6, 2026

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300 Companies

List of the Best Sales Development Representative (SDR) Services Agencies

Frist DatabaseProfile set up by Edverise AI
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Frist Database has been operating in the database market since 2015. They provide extensive mobile databases tailored to your specific needs, featuring precise and reliable information. Frist Database offers over 2 billion updated mobile numbers for 2025, sourced from around the globe. They have mob
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
50-249
Employees
Services Provided
70% Email Marketing & Automation
30% SMS Marketing
100% Sales Development Representative (SDR) Services
AI Summary
“Frist Database offers extensive, reliable global mobile databases alongside expert digital marketing and sales services, including email, SMS campaigns, and B2B lead generation since 2015.”
AD MarketingProfile set up by Edverise AI
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Welcome to AD Marketing, your reliable B2B marketing agency based in the UK. We take great pride in providing well-researched business data, B2B email lists, and marketing lists for data-driven marketing efforts. Whether you're looking for targeted email marketing campaigns or direct mailing lists f
Highlights
2-9
Employees
Services Provided
70% Email Marketing & Automation
20% Account-Based Marketing (ABM)
10% Demand Generation Marketing
100% Sales Development Representative (SDR) Services
AI Summary
“AD Marketing is a UK-based B2B marketing agency offering meticulously vetted company and sector-specific data, including international and public sector lists, to support precise and effective marketing campaigns.”
Second VoiceProfile set up by Edverise AI
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Speed up the development of your SDR team, outreach technology, and outbound sales operations. For business owners and revenue leaders aiming to enhance their lead generation, OSaaS (Outbound Sales as a Service) offers a groundbreaking approach to quickly expand your sales capabilities. Leverage our
Highlights
$25,000+
Min Project Size
10-49
Employees
Brighton and Hove, England, Gb
Services Provided
50% Outbound Lead Generation
40% Sales Development Representative (SDR) Services
10% Appointment Setting Services
AI Summary
“Second Voice accelerates outbound sales by providing OSaaS, combining sales strategy, data-driven prospecting, and sales technology to enhance lead generation and revenue growth.”
Ekant Infotech SolutionProfile set up by Edverise AI
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We are Ekant Infotech Solution, boasting over 25 years of combined experience in the call center industry. Our primary focus is on sales and customer service for our clients. If you have a credible B2B product, we can increase your sales by over 50% in just three months compared to the previous quar
Highlights
$5,000+
Min Project Size
<25
Avg Hourly Rate
10-49
Employees
Lucknow, Uttar Pradesh, In
Services Provided
40% Outbound Lead Generation
40% Sales Development Representative (SDR) Services
20% Cold Email Campaign Management
AI Summary
“Ekant Infotech Solution leverages 25+ years of call center expertise to enhance B2B sales and customer service, boosting client sales by over 50% within three months.”
Manifest Direct Marketing, LLCProfile set up by Edverise AI
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We focus on generating leads for consumer finance and mortgages, offering the industry's most effective mortgage leads that provide both the volume and caliber of leads you need through each live call that is transferred.
Highlights
$5,000+
Min Project Size
100-149
Avg Hourly Rate
10-49
Employees
San Diego, California, Us
Services Provided
60% Outbound Lead Generation
40% Sales Development Representative (SDR) Services
AI Summary
“Manifest Direct Marketing, LLC specializes in outbound sales and lead generation, providing high-quality consumer finance and mortgage leads via expert call center and sales outsourcing services.”
A
AlgrosaProfile set up by Edverise AI
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Algrosa was established with the belief that successful sales and marketing are key catalysts for business expansion. Originally focused on the entertainment industry, specifically live events and record labels, we have since expanded our knowledge and skills. Currently, we confidently work with a v
Highlights
$1,000+
Min Project Size
<25
Avg Hourly Rate
2-9
Employees
New York, New York, Us
Services Provided
40% Email Marketing & Automation
40% Search Engine Optimization (SEO)
20% Pay Per Click
100% Sales Development Representative (SDR) Services
AI Summary
“Algrosa specializes in sales and marketing, evolving from entertainment roots to serving diverse global brands, fueling business growth through extensive expertise and expanding client relationships.”
Turtle Peak LLCProfile set up by Edverise AI
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Turtle Peak collaborates with companies focused on growth in eCommerce, healthcare, SaaS, and professional services that require scalable and reliable customer service and sales assistance. Our clients prioritize consistency, transparency, and measurable results.
Highlights
$5,000+
Min Project Size
25-49
Avg Hourly Rate
50-249
Employees
Las Vegas, Nevada, Us
Services Provided
45% Outbound Lead Generation
40% Sales Development Representative (SDR) Services
15% Sales Process Consulting
AI Summary
“Turtle Peak partners with businesses in eCommerce, healthcare, SaaS, and professional services, delivering scalable, transparent customer service and sales support focused on consistent, measurable outcomes.”
Accelerant Sales GroupProfile set up by Edverise AI
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Accelerant Sales Group is the leading global provider of sales solutions, offering both in-person field representation and various inside sales and lead generation programs. Additionally, they provide a CRM named Ignytor, which is included with their sales team and service packages.
Highlights
$5,000+
Min Project Size
100-149
Avg Hourly Rate
50-249
Employees
Services Provided
40% Outbound Lead Generation
40% Sales Development Representative (SDR) Services
20% CRM Setup & Management
AI Summary
“Accelerant Sales Group delivers comprehensive global sales services, including field representation, inside sales, lead generation, and an integrated CRM platform named Ignytor.”
Prime Tech BPOProfile set up by Edverise AI
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We implement an organized and methodical approach to providing top-notch call center and digital marketing solutions that enable your business to flourish and succeed.
Highlights
50-249
Employees
Services Provided
65% Outbound Lead Generation
35% Sales Development Representative (SDR) Services
AI Summary
“Prime Tech BPO delivers expert call center and digital marketing services with a systematic approach, empowering businesses to grow and achieve success across diverse sectors.”
Dalerio ConsultingProfile set up by Edverise AI
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Dalerio Consulting is a global company providing 24/7 customer support, marketing, and business process outsourcing services. Since its inception in early 2017 by a group of experienced professionals in business development and outsourcing, the company has experienced rapid growth and maintains a so
Highlights
$1,000+
Min Project Size
<25
Avg Hourly Rate
50-249
Employees
Durres, Al
Services Provided
100% Customer Support Outsourcing
100% Search Engine Optimization (SEO)
100% Sales Development Representative (SDR) Services
AI Summary
“Dalerio Consulting is a global firm offering 24/7 customer support, marketing, and business process outsourcing services to help businesses streamline operations and expand client reach.”

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