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The best B2B leads agencies in 2026
1 RATED AGENCIES · UPDATED 28 JULY 2026
llms.txtThe best B2B leads agencies in 2026 by Hack Score: Seventic (18/100). Updated 28 july 2026 · 1 ranked agencies.
Choosing a B2B Lead Generation agency should not depend on ads. Here every agency is scored by the Hack Score and verified reviews. Compare and decide on facts.
FILTERSSort: Hack Score ▾
Claude CodeHubSpotApollo.io
View profileCite this ranking · Hackgency, "The best B2B leads agencies in 2026: ranking and reviews", 28 july 2026. https://hackgency.com/agencies/lead-generation-b2b
How to choose your B2B leads agency
A good agency documents its deliverables, plans for error recovery and trains your team on maintenance. Beware of quotes without a prior audit: a critical project deserves a scoping phase.
Compare minimum budgets, the number of documented projects and the review sub-ratings (quality, deadlines, communication, budget). A shortlist of three agencies is enough to decide.
How this ranking is built
The rank relies on the Hack Score: reviews verified with proof of collaboration (40%), internal completeness and responsiveness score (25%), documented portfolio (25%), badges and certifications (10%).
No agency can buy its position. The full methodology is public.
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Frequently asked questions
What is the best B2B leads agency in 2026?
Seventic leads the ranking with a Hack Score of 18/100.
How many B2B leads agencies are ranked?
1 agencies are scored and re-ranked nightly on the Hack Score: verified reviews, completeness, portfolio and badges.
What budget should you plan for a B2B leads agency?
Ranked agencies start at 2 000 €. Every profile shows its minimum budget and day rate.