Discover the top 21 B2B lead generation companies of 2025 with detailed reviews and pricing to help you choose the best agency to boost your business leads.

Introduction

In today’s competitive landscape, effective lead generation is crucial for B2B businesses aiming to expand their reach and increase sales. With over 400 agencies specializing in outbound lead generation, selecting the right partner can be overwhelming. To streamline your decision-making process, we’ve curated a list of the best B2B lead agencies in 2025, highlighting their strengths, pricing structures, and client feedback. Whether you’re a startup, a marketing agency, or a SaaS company, this guide will help you identify the ideal lead generation partner to drive your business forward.

1. SalesBread

Pricing: Starting at $3,000/month + one-time setup fee
Rating: ★★★★★

SalesBread excels in LinkedIn lead generation and cold email outreach, guaranteeing at least one sales-qualified lead per day. Clients appreciate the personalized approach, with messages crafted by experienced sales strategists rather than relying on generic AI-generated content. SalesBread’s comprehensive services include ultra-refined list building, multi-channel outreach, and dedicated support from the founder, Jack Reamer. Their commitment to delivering quality leads has helped numerous clients achieve significant growth.

2. Callbox

Pricing: $4,500 – $5,300/month
Rating: ★★★★☆

Established in 2004, Callbox utilizes an account-based marketing approach across six different channels, including voice, email, social, chat, website, and webinars. With a client roster featuring giants like Microsoft and Google, Callbox offers full-service lead generation, appointment setting, and database solutions. While clients commend their responsiveness and sales performance, some have noted concerns regarding lead quality.

3. Cience Technologies

Pricing: $4,200 – $9,000/month
Rating: ★★★☆☆

Cience Technologies combines data, software, and an outbound SDR team to provide comprehensive lead generation services. Their AI-powered GO Platform supports both inbound and outbound strategies. Despite a robust service offering, Cience has faced mixed reviews, with clients highlighting effective sales performance but expressing dissatisfaction with customer support and lead quality.

4. Belkins

Pricing: $5,000 – $14,800/month
Rating: ★★★★☆

Belkins specializes in B2B lead generation through appointment setting, lead research, and LinkedIn influencer programs. Catering to industries such as consulting, solar energy, and healthcare, Belkins offers tailored services to meet diverse business needs. Clients praise their ability to drive sales growth, though some find the pricing structure to be on the higher side.

5. Martal Group

Pricing: Starting at $5,000/month
Rating: ★★★★☆

Martal Group serves as a demand-generation partner for B2B tech companies, offering both inbound and outbound sales solutions. Their approach includes building weekly prospect lists based on intent data and utilizing multiple touchpoints like email marketing and cold calls. Clients appreciate their professionalism and the quality of leads, despite the higher cost.

6. Cleverly

Pricing: $397 – $997/month
Rating: ★★★★☆

Cleverly focuses on LinkedIn-driven lead generation, offering services such as cold emailing, content marketing, and profile optimization. Their data-driven methods harness tools like Sales Navigator to effectively target prospects. With a high rating, clients value the quality of leads and the affordability of their plans.

7. Smith.ai

Pricing: $600 – $10,000/month
Rating: ★★★★★

Smith.ai provides a unique blend of human and AI intelligence to manage virtual receptionist services, including lead qualification, appointment scheduling, and CRM integrations. Serving industries like law, software, and healthcare, Smith.ai offers scalable solutions that integrate seamlessly with platforms like Salesforce and HubSpot. Clients commend their responsiveness and comprehensive service offerings.

8. SalesPro Leads

Pricing: Not listed
Rating: ★★★★★

Specializing in the software and tech sectors, SalesPro Leads delivers comprehensive lead generation services including appointment setting, sales intelligence, and account-based marketing. With a perfect rating, clients highlight their effective lead nurturing and demand generation strategies, making them a reliable choice for high-quality leads.

9. SalesRoads

Pricing: $5,500 – $9,500 per 4 weeks
Rating: ★★★★★

SalesRoads offers turnkey lead generation solutions tailored for midmarket and enterprise-level organizations. Their seasoned telesales team, with over 14 years of experience, ensures effective prospecting and appointment setting. Clients appreciate their strategic approach and consistent delivery of high-quality leads.

10. Pipeful

Pricing: Not listed
Rating: ★★★★★

Pipeful is ideal for smaller businesses, providing global appointment-setting services through a network of over 100 sales executives. Their offerings include LinkedIn marketing, demand generation, and sales enablement. Clients laud the quality of research and the effectiveness of their lead generation campaigns.

11. Operatix

Pricing: Tailored pricing
Rating: ★★★★☆

Operatix specializes in lead generation for B2B software vendors, offering segmented teams focused on specific technology verticals like cybersecurity and fintech. Their customized pricing ensures that clients receive solutions tailored to their unique sales cycles and deal values. Clients appreciate their industry expertise and strategic insights.

12. memoryBlue

Pricing: Not listed
Rating: ★★★★☆

With a team of over 450 SDRs, memoryBlue provides extensive B2B lead generation and outsourced sales services. They cater to high-tech companies, offering services such as sales recruiting and targeted public sector outreach. Clients value the quality of leads, though some note a high turnover rate among SDRs.

13. Televerde

Pricing: Not listed
Rating: ★★★★☆

Televerde leverages a human-centric approach combined with data-driven insights to offer sales and marketing solutions aimed at higher lead conversions. Serving Fortune 500 companies, Televerde emphasizes professional sales teams and seamless technology integration. Clients commend their long-standing industry presence and effective strategies.

14. SalesAR

Pricing: Various plans
Rating: ★★★★★

SalesAR provides global lead generation services, including appointment setting and prospect research. With over 500 completed projects, they offer tailored packages to meet diverse business needs. Clients appreciate their professionalism, though some have experienced integration challenges.

15. Inbox Insights

Pricing: Not listed
Rating: ★★★★☆

Inbox Insights offers a comprehensive suite of lead generation services, including account-based marketing, content creation, and market research. Clients praise the quality of leads and the depth of their market insights, although some find the services to be on the pricier side.

16. WebFX

Pricing: $25 – $25,000/month
Rating: ★★★★☆

WebFX specializes in digital marketing for e-commerce businesses, offering organic search lead generation, revenue marketing, and conversion rate optimization. Their personalized strategies have resulted in over 255,000 page 1 rankings on Google. Clients appreciate their effective communication and tailored approaches, despite some finding the costs high.

17. LevelUp Leads

Pricing: $4,000 – $8,000/month
Rating: ★★★★★

LevelUp Leads delivers done-for-you lead generation services, focusing on outbound strategies, data sourcing, and campaign management. Their offerings include email marketing, cold calling, and LinkedIn services. Clients laud the high quality of leads and the substantial impact on their sales pipelines.

18. RevBoss

Pricing: Starts at $2,500/month
Rating: ★★★★☆

RevBoss specializes in outbound prospecting with personalized messaging through cold email and various ad channels. Catering to marketing agencies, SaaS companies, and B2B services, they offer innovative strategies to enhance lead generation. Clients appreciate their strategic creativity, though some have concerns about lead quality.

19. Startup and Fly

Pricing: Various subscriptions
Rating: ★★★★★

Startup and Fly focuses on appointment setting and sales team recruitment, also assisting companies in finding investors. They prioritize email deliverability and domain reputation to avoid spamming prospects. Clients value their commitment to quality and the effectiveness of their outreach strategies.

20. BDR.ai

Pricing: $500 – $5,500/month
Rating: ★★★★★

BDR.ai offers a mix of AI-based and manual lead generation services, including AI-generated outbound calls and Facebook prospecting. Promising thousands of leads per month, they cater to various business needs with flexible pricing plans. Clients praise their innovative approach and the volume of leads generated.

21. Five Rings Marketing

Pricing: Starting at $1,000+
Rating: ★★★★★

Five Rings Marketing provides comprehensive sales services, including LinkedIn outreach, cold calling, inbound marketing, and custom lead generation campaigns. With month-to-month contracts and no long-term commitments, they offer flexibility for businesses of all sizes. Clients commend their effective multi-channel strategies and high satisfaction rates.

What to Consider Before Hiring Lead Generation Companies

Choosing the best B2B lead agency involves more than just comparing prices and ratings. Here are key factors to evaluate:

Define Your Needs

Understand what you aim to achieve. Whether it’s developing a comprehensive sales strategy, utilizing specific outreach methods like LinkedIn or cold emailing, or generating a certain number of leads, clarity on your objectives will help in selecting the right partner.

Evaluate Their Approach

Assess whether the agency offers a strategic consult or trial project. A robust initial consultation can provide insights into their methods and compatibility with your business goals.

Ownership and Contracts

Ensure transparency regarding lead ownership and be cautious of long-term contracts. Opt for agencies that allow flexibility and base their retention on performance rather than binding agreements.

Review Their Resources

Examine the agency’s content, such as podcasts, articles, and case studies, to gauge their expertise and strategic alignment with your needs.

Conclusion

Selecting the best B2B lead agency is pivotal for enhancing your sales pipeline and driving business growth. Our curated list of the top 21 lead generation companies in 2025 offers diverse options catering to various industries and needs. By evaluating each agency’s strengths, pricing, and client feedback, you can make an informed decision that aligns with your business objectives.

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