Best Tools

Best Cold Email Tools for Agencies

January 15, 2026Updated February 9, 20261 min read

What agencies need from a cold email tool

Deliverability support, client workspace separation, and reliable reporting are non-negotiable for retainers.

Top agency picks

Instantly

Great for multi-inbox scaling and simple campaign operations across clients.

Lemlist

Strong personalization and multichannel workflows for higher-ticket outbound campaigns.

Snov.io

Affordable all-in-one setup for smaller agencies doing both lead sourcing and outreach.

Agency implementation tips

Standardize account warmup, use domain rotation, and set campaign-level quality thresholds for replies and meetings.

Affiliate disclosure

This page may include affiliate links. We may earn a commission at no extra cost to you. Our opinions are editorially independent.