Eleven agencies side by side, starting from the one being replaced. ColdIQ's agency trades as Frontal (its Clay directory entry says "ColdIQ Agency became Frontal"), its managed service has no published price, and the first term is 90 days. Every fact below comes from the agencies' own pages, read October 11, 2026.

• ColdIQ / Frontal: scoped proposal, third-party software billed on top; 90-day initial term; cold outbound + LinkedIn content (frontal.so lists outbound, ads and content); builds in accounts the client owns; Elite Studio tier in Clay's directory as Frontal AI; coldiq.com's home page now sells a data marketplace on credits ($499-$4,999/mo Scale plan)
• Sales.co: $5,500/mo flat, no setup fee, month-to-month; email plus calls, ads and LinkedIn; replies in under 10 minutes
• The GTM Engineering Company: from $5,000/mo; builds in your CRM and hands over; monthly billing, typical engagement 3-6 months
• RevPartners: from $12,900/mo; $25,000 fixed-price builds; 6-month initial term and $5,000 onboarding on the retainer tiers
• Understory: retainers quoted on a call; 6-month minimum (4 for smaller companies); paid media on five platforms
• Growth Engine X: no price; free test campaign if you qualify; cold email only
• SalesCaptain: no price or term; email, LinkedIn, text
• DevCommX: retainer scoped after a free audit; email and LinkedIn
• demandDrive: outsourced SDR teams on retainers; no price · The Kiln: custom builds, no price · Earleads: AI search visibility, no outbound

Full report: Haus Research ranking of GTM engineering agencies

The source comparison: Sales.co GTM engineering

Haus Research — hausresearch.com