The best B2B lead generation agencies in the US.
Whether you are a US company or an international firm selling into the American market, here are the lead generation agencies that actually deliver results for US-focused campaigns. Reviewed and compared for 2026.
The US is the largest B2B market in the world, and it is also the most competitive for outbound. Decision-makers in New York, San Francisco, and Austin receive more cold outreach than anywhere else on the planet. The agencies on this list have proven they can cut through that noise and book meetings that show up.
We included agencies headquartered in the US and agencies that serve the US market from international bases. Where a company is registered matters less than whether they understand American buying behaviour and can produce results.
ORRJO
ORRJO runs outbound campaigns for US-market clients from their Glasgow headquarters with team members across multiple time zones. They combine ICP-led targeting, brand warming, and multi-channel outreach to book meetings with 90%+ attendance. Over 10,000 meetings booked, with extensive experience in US SaaS, fintech, and professional services markets.
- 90%+ meeting attendance across US campaigns
- Full-stack: lead gen + demand gen + creative
- Cost-effective compared to US-based agencies
- Multi-timezone team coverage
- Headquartered in UK, not US
- No US-based phone calling team
Belkins
Belkins is one of the most-reviewed lead generation agencies on G2 and Clutch. US-headquartered with a large global team, they focus on email-first outbound and have served over 1,000 clients. Strong infrastructure for email deliverability and a well-documented process for onboarding new accounts.
- 1,000+ clients served globally
- Strong deliverability infrastructure
- Well-documented case studies
- Email-heavy, limited phone outreach
- Quality variance at scale
CIENCE
CIENCE takes a research-heavy approach, building detailed prospect profiles before launching outreach. Their GO Data platform gives access to a large US contact database. They combine human SDRs with technology for email, phone, and web-based outreach. Over 2,500 clients served.
- Deep research-first methodology
- Proprietary US contact database
- Multi-channel including phone
- Longer ramp-up time
- Can be complex to manage
SalesRoads
SalesRoads is a pure-play US operation. All their SDRs are based in the United States, which makes them a strong choice for companies that need native English speakers making cold calls. Operating since 2006, they have a long track record in appointment setting across manufacturing, healthcare IT, and business services.
- 100% US-based team
- Strong phone outreach capability
- 20 years of operation
- Higher price point
- US-only focus limits international campaigns
Martal Group
Martal Group serves the US market from their Canadian base. They offer month-to-month contracts, which is rare in this space. Fast onboarding, experienced SDRs, and a focus on the tech sector make them a good option for companies that want to test outbound without a long-term commitment.
- Month-to-month flexibility
- Fast 2-week onboarding
- Good US and Canadian coverage
- Tech-sector focused
- Less enterprise experience
SalesHive
SalesHive is a remote-first US agency that pairs human SDRs with their proprietary AI platform. They handle email, phone, and LinkedIn outreach with a focus on using technology to improve response rates. Transparent pricing and flexible contracts.
- AI-powered personalisation
- Transparent, published pricing
- Flexible contracts
- Newer company, less enterprise track record
- AI-first approach not right for every industry
Callbox
Callbox is a California-based agency that has been operating since 2004. They offer multi-channel outreach including email, phone, social, and chat. Their proprietary Pipeline CRM tracks leads through the funnel. Strong option for US companies that also need APAC coverage.
- 20+ year track record
- US + APAC coverage
- Multi-channel including chat
- Volume over quality reputation
- Contract flexibility concerns
Cleverly
Cleverly is a LinkedIn specialist based in LA. They write and send personalised connection requests and messages on your behalf. At their price point, they are the most accessible agency on this list. Good entry point for companies testing LinkedIn outbound for the first time.
- Most affordable option
- LinkedIn platform expertise
- Quick setup
- LinkedIn only
- Not built for enterprise deals
Abstrakt Marketing Group
Abstrakt offers both outbound SDR services and inbound marketing under one roof. Based in Missouri, they focus on the US mid-market and have a growing presence across the Midwest and South. Their approach combines cold calling, email, and content marketing for a full-funnel strategy.
- Combined outbound and inbound
- Strong US mid-market focus
- Content + outreach integration
- Less suited for enterprise or international
- Regional reputation still growing
Operatix
Operatix serves the US enterprise tech market from their London headquarters with dedicated US-facing teams. They specialise in complex, multi-stakeholder B2B technology deals. If you sell to Fortune 500 companies and need SDRs who understand procurement processes, Operatix is worth evaluating.
- Enterprise tech specialisation
- Multi-stakeholder deal experience
- US-facing team despite UK HQ
- Premium pricing
- Technology sector only
Frequently Asked Questions
Yes. Several top-performing agencies serve US clients from international headquarters. What matters is whether the agency understands US buying behaviour, can write copy that resonates with American decision-makers, and has experience navigating US data compliance. ORRJO, for example, operates from Glasgow but has generated pipeline across 15+ countries including extensive US campaigns.
US-based B2B lead generation agencies typically charge between $4,000 and $15,000 per month on a retainer model. Pay-per-meeting pricing ranges from $300 to $1,000 depending on the seniority of the target. Enterprise-focused agencies like Operatix can run $10,000+ per month.
Ask for meeting attendance rates, not just meetings booked. Request case studies from your specific industry. Check whether they use your domain or burner domains for outreach. Ask about their ICP-building process and whether they include intent data. And ask how they handle prospects who no-show.
Most US-based agencies focus primarily on the North American market. If you need global coverage across Europe, APAC, or the Middle East, you may want an agency with international operations. ORRJO serves 15+ countries. Belkins and CIENCE also have some international capabilities.
Expect 2 to 3 weeks for onboarding, ICP refinement, and domain warming. First qualified meetings typically arrive in weeks 3 to 5. Consistent pipeline flow takes 2 to 3 months to build.
The most common verticals are SaaS, professional services, IT/managed services, cybersecurity, fintech, and healthcare technology. Some agencies specialise in specific verticals while others are industry-agnostic. Check whether the agency has case studies in your specific market.
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