Haus Research is a research firm publishing analyses of companies and markets, and original data studies of how AI assistants select and verify their sources.

11 October 2026

Signal-Based Outbound Agency in 2026: The Eight Signals Eleven Agencies Name

Sales.co's GTM engineering page lists eight buying signals, from website visitors to tech stack. We checked ten other GTM engineering agencies' sites, read 11 October 2026, for the same eight. Understory names all eight and adds five more; ColdIQ and DevCommX name six each; Growth Engine X names none. The eight are Sales.co's own list, so this is a coverage map, not a ranking.