Best Email Marketing for Agencies in 2026
ActiveCampaign — ActiveCampaign gives agencies the deepest automation engine and the reporting tools to prove campaign value to clients
Price: $19/mo per client account
ActiveCampaign
$19/mo per client accountManage multiple client accounts with white-label reporting
Why it fits
Best automation builder for agencies that need to deliver complex funnels across different client niches
Dealbreaker
Each client needs a separate account which multiplies costs
Mailchimp
Free partner program / Client plans varyAgency partner program with multi-client dashboard
Why it fits
Mailchimp and Co partner program gives you a unified dashboard to manage all client accounts
Dealbreaker
Client costs escalate fast and the platform is getting bloated
Brevo
Custom agency pricingSub-accounts and API access for white-label email services
Why it fits
Sub-account architecture was designed for agencies managing multiple brands
Dealbreaker
Agency program is less mature than Mailchimp or ActiveCampaign
MailerLite
$10/mo per clientSimple enough to hand off to clients who want to self-manage
Why it fits
When clients eventually want to manage their own emails, MailerLite is the easiest to train them on
Dealbreaker
No formal agency partner program or multi-account dashboard
Drip
$39/mo for 2,500 contactsRevenue-focused reporting that proves ROI to ecommerce clients
Why it fits
Revenue attribution dashboards make client reporting dead simple for ecommerce brands
Dealbreaker
Only makes sense if your agency focuses exclusively on ecommerce clients
What We Looked For
- ✓Visual automation builder handles everything from simple welcome sequences to complex multi-branch funnels
- ✓Custom reporting dashboards let you white-label results and tie email performance to revenue
- ✓CRM integration means you can offer clients email marketing plus sales pipeline management as one service
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