Outbound lead generation agencies for HubSpot, Salesforce, Close, and Attio
Find vetted outbound lead generation agencies for HubSpot and Salesforce. Compare Gold-tier partners by focus, delivery model, tools, and channels.
Showing 13 of 61 agencies shuffled by tier (page 3 of 3)
Redline Growth
Redline Growth is a US AI-driven outbound agency that scales B2B SaaS pipeline through email and social automation, plugged into HubSpot and Salesforce.
Outbound Lead Gen Flexible
Relevance
Platform for building, managing, and deploying AI agent workforces for automation.
Outbound Lead Gen Flexible
Rev-Amp
Rev-Amp is a Canada-based, done-for-you AI outbound agency that books qualified meetings and grows B2B revenue across email and social with Clay and HubSpot.
Outbound Lead Gen Done for you
RevPilot
RevPilot is a leading Close CRM partner, building Close-native revenue systems for founders and lean sales teams.
CRM Implementation Done for you
Sales Automation Systems
Sales Automation Systems is a US-based, done-for-you outbound agency that automates B2B lead gen across email, social, and phone with AI prospecting workflows.
Outbound Lead Gen Done for you
SalesCaptain
SalesCaptain is a US-based, AI-powered, done-for-you outbound platform that books B2B meetings across email, social, and phone with HubSpot and Salesforce.
Outbound Lead Gen Done for you
Selworthy
HubSpot-focused agency driving lead generation and revenue via digital marketing.
Outbound Lead Gen Flexible
Succession
Succession is a UK-based outbound agency helping biotech and pharma firms win new clients with AI-led prospecting across email and social, tied to Salesforce.
Outbound Lead Gen Flexible
Top of Funnel
Top of Funnel is a US-based, done-for-you B2B outbound agency using automation and AI to fine-tune go-to-market and book qualified meetings on email and social.
Outbound Lead Gen Done for you
Trailway Growth
Trailway Growth is a US-based outbound agency that helps B2B firms scale go-to-market strategy and revenue through email outreach and HubSpot-powered playbooks.
Outbound Lead Gen Flexible
Vertical GTM
B2B Allbound Growth Partner for Tech
Full-Service & Allbound Flexible
Viralnetix
Viralnetix is a North Macedonia AI-powered marketing firm that automates B2B outbound lead gen across email and social for scalable, predictable revenue growth.
Outbound Lead Gen Flexible
Wendt Partners
Wendt Partners is a HubSpot Elite Partner focused on enterprise B2B CRM strategy, implementation, integrations, enablement, and revenue operations programs.
CRM Implementation Flexible
About this outbound agency directory
The agencies listed here run outbound lead generation, RevOps, and demand gen for teams on HubSpot, Salesforce, Close, and Attio. They connect Smartlead, Instantly, HeyReach, Reply.io, Clay, and other outbound tools to your CRM — and handle implementation, custom workflows, attribution, and ongoing optimization.
Use the filters above to narrow by focus (outbound lead gen, RevOps, marketing operations), delivery model (done-for-you or done-with-you), supported channels, or the tools already in your stack. Looking for a vetted starting point? Browse our Gold-tier partners.