Best Email Marketing Tools for Agencies in 2026
Marketing agencies need email tools with white-label options, client management features, and pricing that scales across multiple accounts.
Quick Recommendations for Agencies
- Best overall: ActiveCampaign - Strong agency partner program
- For e-commerce: Klaviyo - Industry standard for DTC brands
- For inbound: HubSpot - Complete inbound suite
- For white-label: Brevo - Full white-label capability
Agency Email Tools Comparison
| Tool | Best For | Starting Price | White Label | Partner Program |
|---|---|---|---|---|
| ActiveCampaign | General agencies | $29/mo | Yes | Strong |
| Mailchimp | SMB clients | Free | Limited | Yes |
| HubSpot | Inbound agencies | Free | No | Excellent |
| Klaviyo | E-commerce agencies | $20/mo | No | Strong |
| Brevo | White-label needs | $25/mo | Full | Yes |
| MailerLite | SMB handoffs | Free | No | Basic |
Why These Tools Work for Agencies
ActiveCampaign
Powerful automation with agency-friendly pricing. Manage multiple clients from one account with sub-accounts and white-labeling.
Best agency partner program
Mailchimp
Most recognized by clients, making adoption easier. Partner program with volume discounts and client management features.
Clients know the brand
HubSpot
Complete inbound marketing suite for agencies. Solutions Partner Program offers training, certification, and deal registration.
Best for inbound agencies
Klaviyo
Essential for agencies serving e-commerce clients. Partner program with certification and preferred pricing.
Best for e-commerce agencies
Brevo (Sendinblue)
White-label available, multi-channel capabilities. Good pricing for agencies managing high-volume clients.
Best white-label option
MailerLite
Simple and affordable for agencies serving small businesses. Easy to train clients for handoff.
Easiest client handoff
What to Look for as an Agency
1. Multi-client management
Manage all client accounts from one dashboard. Switch between clients easily and set appropriate access levels.
2. White-label options
Brand the platform as your own for clients who expect a custom solution. Important for premium positioning.
3. Agency pricing
Volume discounts, aggregate billing, and flexible pricing as your client roster grows.
4. Training and certification
Partner programs that help your team become experts and differentiate your agency.
Need more detail?
See our full comparison of 15+ email marketing tools with pricing breakdowns and feature analysis.
View Full Comparison