Top Outbound Lead Generation Companies

Outbound lead generation agencies find and contact buyers who have not raised their hand yet. They build target account and contact lists, write sequences, and run cold email, phone and LinkedIn outreach until prospects agree to a meeting with your sales team. B2B software, IT services, staffing and logistics firms hire them to fill the pipeline without building an in-house SDR team, or to test a new segment first.

Shortlist agencies on meeting quality, not volume: ask how they define a qualified meeting, how many past meetings turned into opportunities, and whether you can reject ones that miss the bar. Check deliverability practices and data sources too, since burned domains and stale lists hurt your brand.

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We evaluate companies on verified profile data: services, pricing, locations, and portfolio. Client reviews are being collected. We may earn a fee for some placements. How we rank and verify

1,651 Companies

List of the Best Outbound Lead Generation Agencies

Estarta Call Center
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Estarta Call Center offers both inbound and outbound call center outsourcing services tailored for small and mid-sized businesses in the US. Featuring 100% human agents—never bots—we provide customer service that meets US standards with cost savings of up to 60% compared to domestic centers. We cate
Highlights
50-249
Employees
Services Provided
50% Customer Support Outsourcing
30% Outbound Lead Generation
20% Appointment Setting Services
AI Summary
“Estarta Call Center provides US-standard, human-powered inbound and outbound call services for diverse industries with HIPAA compliance, flexible plans, rapid setup, and 24/7 support, serving over 500 clients.”
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Sponge New Business
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Sponge New Business is a business development agency that supports clients across various marketing sectors, successfully securing millions of pounds in contracts for both large and small agencies globally. We're friendly, which makes collaboration easier. Our services encompass all aspects of busin
Highlights
$1,000+
Min Project Size
2-9
Employees
Hornchurch, England, Gb
Services Provided+1 Services
20% Go-to-Market Strategy
25% Market Research & Competitive Intelligence
5% Operational Process Consulting
35% Outbound Lead Generation
AI Summary
“Sponge New Business is a global business development agency offering lead generation, content creation, social media management, training, and PR, dedicated to expanding client agencies for 17 years.”
RevOps Global
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From large Fortune 50 companies to innovative start-ups, we specialize in marketing technology designed to help businesses assess and enhance their marketing and sales strategies, ultimately driving revenue growth. We are certified experts in platforms such as Salesforce, Marketo, Hubspot, Pardot, a
Highlights
2-9
Employees
Ridgefield, Washington, Us
Services Provided+1 Services
23% BI & Big Data Consulting & SI
10% CRM Consulting and SI
22% Marketing Analytics & Reporting
12% Pay Per Click
AI Summary
“RevOps Global delivers expert marketing technology solutions—spanning automation, analytics, CRM, and paid media—to optimize marketing and sales strategies, driving revenue growth across diverse industries.”
LeadHaste
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LeadHaste is a managed outbound lead generation service for B2B companies that integrates over 30 tools into a single, efficient system designed to consistently increase your sales pipeline each month. Our Compound Pipeline System encompasses all aspects, including data enrichment, multi-channel out
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Services Provided+1 Services
35% Outbound Lead Generation
10% Cold Email Campaign Management
5% Sales Copywriting & Proposal Writing
33% Email Marketing & Automation
AI Summary
“LeadHaste offers a comprehensive managed outbound lead generation service for B2B companies, integrating multiple tools and AI-driven processes to boost sales pipelines efficiently across industries without binding contracts.”
Synergy BPO
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We offer top-notch outsourcing services for Marketing, Sales, and Customer Support.
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Orlando, Florida, Us
Services Provided+1 Services
33% Customer Support Outsourcing
12% Social Media Marketing
11% Email Marketing & Automation
11% Other Digital Marketing
AI Summary
“Synergy BPO delivers high-quality outsourcing solutions across Marketing, Sales, and Customer Support, supporting businesses with comprehensive services to enhance operational efficiency and customer engagement.”
RSVP Advertising
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At RSVP, we specialize in lead generation and direct marketing. We assist local, regional, and national brands in over 65 markets across the country to connect with the right audience using the most effective channels and messaging.
Highlights
$1,000+
Min Project Size
50-249
Employees
Plymouth, Michigan, Us
Services Provided+1 Services
20% Email Marketing & Automation
14% Social Media Marketing
23% Meta Ads Management (Facebook & Instagram)
10% LinkedIn Ads Management
AI Summary
“RSVP Advertising specializes in lead generation and direct marketing, helping brands nationwide connect with target audiences through effective channels and tailored messaging across multiple markets.”
Prime BPO & Telecommunications
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Primebpo - Your trusted partner for Lead Generation, Business Development, Direct Sales, and Customer Service Assistance. Enhance your business today.
Highlights
$5,000+
Min Project Size
$150+/hr
Avg Hourly Rate
250-999
Employees
Rawalpindi, Pk
Services Provided+1 Services
20% Operational Process Consulting
14% Go-to-Market Strategy
23% Customer Support Outsourcing
10% Live Chat & Chatbot Implementation
AI Summary
“Prime BPO & Telecommunications specializes in lead generation, business development, direct sales, and customer service, offering comprehensive solutions to enhance business performance.”
Air Outreach
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Air Outreach serves as a comprehensive solution for all your B2B requirements. Our mission is to assist clients with their tangible B2B outbound goals, enhancing the generation of qualified leads and boosting sales! We create opportunities for B2B companies by linking them with their ideal customers
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided+1 Services
25% Email Marketing & Automation
15% Content Marketing Strategy
10% Other Digital Marketing
35% Outbound Lead Generation
AI Summary
“Air Outreach offers comprehensive B2B outbound solutions by integrating diverse data sources to generate qualified leads and connect businesses with ideal customers, enhancing sales and growth.”
MARRBERY
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MARRBERY - это стратегическая консалтинговая фирма, которая поддерживает своих клиентов в достижении успеха в цифровой среде, объединяя традиционные подходы и новаторские решения.
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Dnipro, Dnipropetrovsk, Ua
Services Provided+2 Services
18% Go-to-Market Strategy
15% Business Model Design & Validation
10% Operational Process Consulting
7% Market Research & Competitive Intelligence
AI Summary
“MARRBERY is a Ukrainian strategic consulting firm combining traditional and innovative methods to deliver digital strategy, business consulting, and sales lead generation for client success.”
AMBI
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The built environment serves as a hub for the most significant creative and technological advancements of our time. AMBI aims to strategically align these innovations for forward-thinking brands. Our comprehensive creative and marketing services offer a seamless experience that internal marketing te
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Cincinnati, Ohio, Us
Services Provided+4 Services
20% Brand Identity Design
10% Marketing Collateral Design
4% Graphic Design
17% Search Engine Optimization (SEO)
AI Summary
“AMBI delivers comprehensive creative and marketing services, leveraging industry expertise to empower forward-thinking brands in the built environment with seamless, strategic solutions.”

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Top Outbound Lead Generation Companies

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