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Agency partners for HubSpot, Salesforce, Close, and Attio outbound integrations

Find agencies and implementation partners who deploy OutboundSync for HubSpot, Salesforce, Close, and Attio. Filter by focus, delivery model, tools, tier, and supported channels.

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Showing 24 of 59 agencies shuffled by tier (page 2 of 3)

B2BXclusive

B2BXclusive is a US-based B2B outbound agency that builds qualified sales pipeline for SaaS and tech firms through targeted email and social prospecting.

Outbound Lead Gen Flexible

BayRise Capital Partners

BayRise Capital Partners provides growth advisory and outbound GTM execution for operators, founders, and PE-backed companies, alongside capital advisory.

Outbound Lead Gen Flexible

BryantWorks

Diamond HubSpot Solutions Partner specializing in implementation, training, and optimization for faster ROI.

CRM Implementation Flexible

Business Lads

Business Lads is a B2B lead generation agency focused on conversation-led social selling and done-for-you LinkedIn outreach that drives qualified meetings.

Outbound Lead Gen Flexible

ColdIQ

B2B lead gen specialists using AI to build outbound systems and boost sales pipelines.

Outbound Lead Gen Done for you

Deal Process Partners

Revenue advisory firm boosting sales pipelines and growth for B2B organizations.

Outbound Lead Gen Flexible

Email Outreach Company

Outbound email programs for nationally recognized brands; Clay, Instantly, and EmailBison power list building and full campaign execution.

Outbound Lead Gen Done for you

Fractional Ops

Fractional Ops is a US-based agency that gives small B2B teams expert-led, automated outbound systems across email, social, and phone to grow pipeline faster.

Outbound Lead Gen Flexible

GTM Engines

Managed outbound agency taking over prospecting and multi-channel pipeline generation for growth-stage B2B teams.

Outbound Lead Gen Done for you

GTM Partner

GTM Partner is a Portugal-based AI outbound agency that helps B2B marketing teams generate pipeline across email, social, and phone with proven playbooks.

Outbound Lead Gen Flexible

HighTicket Agency

HighTicket Agency is a US-based, done-for-you outbound partner that uses AI to surface hidden buyers and book qualified meetings for revenue-focused B2B teams.

Outbound Lead Gen Done for you

Key Outreach

Key Outreach is a US-based, done-for-you B2B outbound agency that helps SaaS firms and agencies scale qualified pipeline through targeted email prospecting.

Outbound Lead Gen Done for you

Leveraged Outbound

Leveraged Outbound is a UK-based, done-for-you outbound agency helping agencies and service firms book qualified meetings through targeted email prospecting.

Outbound Lead Gen Done for you

Levver

Levver is a US done-with-you outbound partner that helps B2B teams build email pipeline alongside their reps and tighten revenue operations for steady growth.

Outbound Lead Gen Done with you

MicroHalos

MicroHalos is a US-based B2B consultancy that drives growth with GTM strategy, outbound demand gen, and sales enablement across email, social, and phone.

Outbound Lead Gen Flexible

OneGTM

GTM Engineering and RevOps advisory: durable, signal-driven revenue systems for early and growth-stage companies.

Full-Service & Allbound Done with you

Opp

Opp is a B2B outbound agency using AI workflows, cold email, cold calling, and LinkedIn outreach to book qualified first meetings for growth teams.

Outbound Lead Gen Flexible

Orca Ventures

Orca Ventures is a US-based, done-with-you partner helping vertical SaaS firms scale pipeline with SEO, paid, and outbound email working in one growth system.

Full-Service & Allbound Done with you

Organic Outreach

Organic Outreach is a US-based outbound sales enablement firm that uses AI and automation to scale email and social lead generation for B2B revenue teams.

Outbound Lead Gen Flexible

Outbound Catalyst

Outbound Catalyst is a US-based B2B outbound agency that combines automation and proven playbooks to fill tech-company pipelines via email, social, and phone.

Outbound Lead Gen Flexible

Passetto

Passetto is a US-based, done-with-you GTM analytics and advisory firm helping B2B SaaS teams sharpen sales and marketing with data-backed strategy and outbound.

Outbound Lead Gen Done with you

Pipeline Formula

Pipeline Formula is a US done-for-you outbound agency that scales qualified B2B SaaS pipeline across email, social, and phone so reps can focus on closing.

Outbound Lead Gen Done for you

QC Growth

QC Growth is a US-based B2B sales and GTM consultancy helping early-stage AI, SaaS, and developer-tool startups build outbound pipeline from seed to Series A.

Outbound Lead Gen Flexible

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

About OutboundSync agency partners

The agencies listed here implement OutboundSync for outbound sales, RevOps, and demand generation teams running on HubSpot, Salesforce, Close, and Attio. They connect outbound platforms — Smartlead, Instantly, HeyReach, Reply.io, Clay, and more — to your CRM, and handle the implementation, custom workflows, attribution, and ongoing optimization an outbound integration deployment needs.

Use the filters above to narrow by focus (outbound sales, 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.