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.

How this list is built

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

Prime Tech BPO
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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.”
SalesHive
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SalesHive is a B2B lead generation agency that utilizes cold calling, email, and LinkedIn to schedule meetings with qualified buyers through our unique sales outreach platform and CRM. Our skilled sales development representatives, based in the US, will manage all of your cold calling efforts, ensur
Highlights
250-999
Employees
Littleton, Colorado, Us
Services Provided
60% Outbound Lead Generation
40% Appointment Setting Services
AI Summary
“SalesHive is a B2B lead generation agency leveraging cold calling, email, and LinkedIn via a proprietary platform to secure qualified buyer meetings and manage outreach efficiently.”
Grow Your Sales Pipeline
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220 Outstanding Reviews | growyoursalespipeline.com | Business Development Services: Sales Development | Sales Recruiters | Sales Coaching | Located in the Twin Cities of Minneapolis and St. Paul, MN, providing services to clients across the United States.
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Eden Prairie, Minnesota, Us
Services Provided
60% Outbound Lead Generation
40% Appointment Setting Services
AI Summary
“Grow Your Sales Pipeline offers comprehensive business development services including sales development, recruitment, and coaching, serving clients nationwide from its Minneapolis-Saint Paul base.”
Upcall
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Upcall is a U.S.-based outbound prospecting service that provides top-notch prospecting solutions for contemporary teams, including lead generation, lead qualification, and surveys. We seamlessly integrate with your preferred tools such as CRM systems, marketing automation platforms, and spreadsheet
Highlights
$5,000+
Min Project Size
10-49
Employees
Services Provided
60% Outbound Lead Generation
30% Appointment Setting Services
10% Sales Funnel Strategy & Optimization
AI Summary
“Upcall offers comprehensive outbound prospecting services including lead generation, qualification, and surveys, integrating with CRM and marketing tools to deliver real-time insights for sales teams.”
Siete
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Siete ranks among the top B2B prospecting agencies globally, operating in over 14 countries. The agency specializes exclusively in producing qualified leads. Siete offers two main services: 1. Turnkey Lead Generation, where their team manages the entire prospecting process and arranges meetings for
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Ciudad de Mexico, Mx
Services Provided
60% Outbound Lead Generation
40% Sales Development Representative (SDR) Services
AI Summary
“Siete is a leading B2B prospecting agency operating in 14+ countries, specializing in qualified lead generation through turnkey services and staff augmentation with skilled sales professionals.”
Prospecto — Agence de Télémarketing B2B
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Prospecto est une agence de télémarketing B2B qui se concentre sur la génération de rendez-vous de qualité pour les équipes de vente au Québec, au Canada et en France. Nous aidons à remplir les calendriers de vos commerciaux avec des prospects intéressés et qualifiés.
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
50-249
Employees
Victoriaville, Quebec, Ca
Services Provided
60% Outbound Lead Generation
40% Sales Development Representative (SDR) Services
AI Summary
“Prospecto is a B2B telemarketing agency specializing in generating qualified sales appointments across Québec, Canada, and France to support sales teams in prospecting efforts.”
AcquireOne
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🏆Your Premier Partner for Sales Success AcquireOne is the dedicated partner for B2B Sales Execution in the German-speaking markets. We empower both international and local businesses to thrive in Germany, Austria, and Switzerland (DACH), where conventional sales methods often fall short. Our appr
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Berlin, Berlin, De
Services Provided
60% Outbound Lead Generation
30% Cold Email Campaign Management
10% Appointment Setting Services
AI Summary
“AcquireOne specializes in tailored B2B sales execution across Germany, Austria, and Switzerland, offering strategic market research, compliant multi-channel outreach, and local closing expertise for complex products.”
Getsally
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Getsally assists B2B companies in developing a consistent pipeline of qualified meetings through outbound strategies. We manage the entire process, from pinpointing suitable prospects to scheduling calls with decision-makers via email, LinkedIn, WhatsApp, Telegram, and X. What sets us apart is our a
Highlights
$1,000+
Min Project Size
10-49
Employees
Dover, Delaware, Us
Services Provided
60% Outbound Lead Generation
30% Sales Development Representative (SDR) Services
10% Lead Scoring & Qualification
AI Summary
“Getsally specializes in tailored outbound strategies, leveraging deep data insights to help B2B companies generate qualified meetings and build consistent sales pipelines across diverse sectors.”
PlusOneMark
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PlusOneMark focuses on assisting clients in developing their online presence, engaging with their target audiences, expanding their business networks, and turning those connections into paying customers. Here's how we can assist you: We will design and implement customized marketing strategies for y
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided
65% Outbound Lead Generation
35% Cold Email Campaign Management
AI Summary
“PlusOneMark specializes in tailored marketing strategies enhancing online presence, audience engagement, and business growth through B2B sales outreach, influencer marketing, and cold email campaigns.”
Extended Presence
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Extended Presence is a specialized Sales Outsourcing and Lead Generation firm focused on creating and overseeing outsourced sales and marketing initiatives for major technology firms. Their mission is to assist clients in boosting revenue, bridging the divide between marketing and sales, enhancing t
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
50-249
Employees
Services Provided
60% Outbound Lead Generation
40% Appointment Setting Services
AI Summary
“Extended Presence delivers specialized sales outsourcing and lead generation services, partnering with technology firms to enhance revenue, align marketing and sales, and strengthen sales pipelines effectively.”

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