A Canadian software seller had plenty of marketing vendors and too much work between them. Callbox’s answer reveals what businesses actually buy when they outsource prospecting.
La Growth Machine choreographs LinkedIn, email, calls and voice notes from one canvas. The clever part is not sending more messages - it is knowing when to change channels, and when to let a human take over.

Reply.io now finds prospects, warms inboxes, writes the pitch, works the follow-up, and can even book the meeting. The clever bit is not the robot rep. It is putting the entire outbound mess on one desk.
The Ukrainian SaaS started as a Chrome-friendly email finder. Its more interesting move was admitting that a found address is useless until prospecting, verification, follow-ups and pipeline all share the same room.