Updated 2026-02-01

Best Email Marketing Tools for Agencies

Manage multiple clients, deliver results, and grow your agency with the right email marketing platform.

Agencies need email marketing tools that work differently than what individual businesses need. You are managing multiple clients, each with their own branding, subscriber lists, and campaigns. You need multi-account management, client reporting, and ideally white-label capabilities. The right platform makes your team more efficient, your clients happier, and your margins healthier. I tested and reviewed 13 email marketing tools specifically for agency use cases, ranking them on multi-client management, reporting, pricing structures, and workflow efficiency.

Why Agencies Need Email Marketing

Client Retention

Email marketing delivers measurable ROI that keeps clients engaged with your agency. When clients see revenue from email campaigns, they stay longer and expand their contracts. Email results are easier to attribute than social media or SEO.

Recurring Revenue

Email marketing services create predictable monthly recurring revenue for agencies. Campaign creation, automation management, and list growth are ongoing needs that generate consistent income.

Scalable Delivery

With the right platform and automation, one team member can manage email marketing for multiple clients simultaneously. Templates, workflows, and reporting streamline the delivery process.

Agency Differentiation

Many agencies offer the same social and PPC services. Adding email marketing with measurable ROI differentiates your agency. The ability to show direct revenue attribution from email gives you an edge in new business pitches.

13 Best Email Marketing Tools for Agencies

Our Top Pick for Agencies
#1
Sequenzy

AI-powered email marketing with smart automation sequences and pay-per-email pricing.

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Best for
Agencies wanting AI-powered efficiency with affordable per-client pricing
Pricing
$29/month for 50,000 emails

Pros

  • AI generates client sequences in seconds
  • Pay-per-email keeps per-client costs low
  • Developer-friendly API for integrations
  • Direct founder support for agency partnerships

Cons

  • Newer platform with a growing feature set
  • No built-in SMS marketing
  • Smaller template library compared to established platforms
  • No white-label option yet
#2
ActiveCampaign

Advanced automation and CRM platform with agency partner program.

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Best for
Full-service agencies wanting the most powerful platform with a partner program
Pricing
$29/month per client for 1,000 contacts

Pros

  • Dedicated agency partner program
  • Most powerful automation
  • Multi-client management
  • Revenue sharing opportunity

Cons

  • Expensive across multiple clients
  • Steep learning curve
  • Complex for smaller agencies
  • Per-client pricing adds up
#3
Mailchimp

The most recognized email marketing platform with agency tools.

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Best for
Agencies wanting a recognized brand that clients already trust
Pricing
Free tier per client, paid from $13/month per client

Pros

  • Agency partner program
  • Client recognition and trust
  • Wide integrations
  • Free tier per client

Cons

  • Basic automation
  • Expensive at scale
  • Features behind paywalls
  • Per-client costs add up
#4
Brevo

Affordable email and SMS marketing platform with agency-friendly pricing.

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Best for
Budget-conscious agencies wanting affordable multi-client management
Pricing
Free up to 300 emails/day per account, then from $25/month

Pros

  • Pay by emails, not contacts
  • SMS included
  • CRM included
  • Very affordable

Cons

  • Basic automation
  • Less polished interface
  • Limited agency-specific features
  • Brevo branding on free tier
#5
Klaviyo

The leading e-commerce email platform with agency partner program.

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Best for
E-commerce agencies managing Shopify and WooCommerce clients
Pricing
Free up to 250 contacts per client, then from $20/month

Pros

  • Agency partner program
  • Deep e-commerce integrations
  • Revenue attribution
  • Strong training resources

Cons

  • Expensive per client
  • Complex for non-e-commerce
  • Steep learning curve
  • E-commerce focused only
#6
Kit

Creator-focused email platform with generous free tier, formerly ConvertKit.

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Best for
Agencies serving creators, coaches, and content businesses
Pricing
Free up to 10,000 subscribers per client

Pros

  • Generous free tier
  • Creator-focused features
  • Simple for clients
  • Digital product sales

Cons

  • No agency partner program
  • Limited design options
  • Basic automation
  • Not for e-commerce agencies
#7
GetResponse

All-in-one marketing platform with email, landing pages, and webinars.

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Best for
Agencies wanting an all-in-one platform across clients
Pricing
From $15.60/month per client, agency plans available

Pros

  • Agency-level plans
  • All-in-one platform
  • Landing pages and webinars
  • Multi-account management

Cons

  • Nothing best-in-class
  • Cluttered interface
  • Complex pricing
  • Average automation
#8
MailerLite

Clean, simple email marketing with generous free tier.

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Best for
Agencies with small-business clients on tight budgets
Pricing
Free up to 1,000 subscribers per client

Pros

  • Very affordable
  • Clean interface
  • Free tier
  • Client-friendly simplicity

Cons

  • No agency features
  • Limited automation
  • Strict approval
  • Basic reporting
#9
Drip

E-commerce focused email platform for online stores.

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Best for
E-commerce focused agencies
Pricing
$39/month per client for 2,500 contacts

Pros

  • E-commerce focused
  • Visual workflows
  • Revenue attribution
  • Good integrations

Cons

  • No free tier
  • Higher starting price
  • No agency program
  • E-commerce only
#10
Campaign Monitor

Professional email marketing with agency features.

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Best for
Agencies wanting polished client-facing dashboards
Pricing
From $9/month per client

Pros

  • Multi-client management
  • Beautiful templates
  • Client dashboards
  • Professional quality

Cons

  • Limited automation
  • Contact-based pricing
  • Declining market position
  • Basic features
#11
Omnisend

E-commerce marketing platform with multi-channel capabilities.

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Best for
Agencies with e-commerce clients wanting multi-channel
Pricing
Free up to 250 contacts per client

Pros

  • Multi-channel marketing
  • Pre-built automation
  • Free tier
  • E-commerce focus

Cons

  • E-commerce only
  • Limited free tier
  • Less powerful segmentation
  • Fewer integrations
#12
Moosend

Budget-friendly email marketing with agency features.

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Best for
Budget-focused agencies wanting the lowest per-client cost
Pricing
From $9/month per client

Pros

  • Agency plan available
  • Very affordable
  • Multi-client management
  • Decent automation

Cons

  • Less well-known
  • Limited integrations
  • Smaller library
  • Basic support
#13
AWeber

One of the original email platforms with reliable delivery.

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Best for
Agencies with clients needing basic, reliable email
Pricing
Free up to 500 subscribers per client

Pros

  • Reliable delivery
  • Phone support
  • Free tier
  • Simple

Cons

  • No agency features
  • Dated interface
  • Limited automation
  • Little innovation

Feature Comparison

FeatureSequenzyActiveCampaignMailchimpKlaviyo
Multi-client management
Via accounts
Yes
Yes
Yes
AI-powered sequences
Yes
No
No
No
Agency partner program
No
Yes
Yes
Yes
White-label options
No
No
No
No
Revenue attribution
Yes
Yes
Basic
Advanced
Pay-per-email pricing
Yes
No
No
No
Free tier per client
No
No
Yes
Yes
CRM included
No
Yes
No
No

Email Sequences Every Agencie Needs

These are the essential automated email sequences that will help you grow your business and keep clients coming back.

Client Onboarding

Trigger: New client signs agency agreement

Set clear expectations and get new clients started efficiently.

Immediately
Welcome to {{agency_name}} — here is what happens next

Welcome email with onboarding timeline, next steps, and what you need from the client. Set professional tone.

Day 2
Your onboarding questionnaire

Send the intake form collecting brand guidelines, target audience info, existing assets, and goals.

Day 7
Your email strategy is ready — let us review

Share the initial email marketing strategy for review. Include timeline and first campaign details.

Agency Lead Nurture

Trigger: Prospect downloads agency case study or lead magnet

Convert agency prospects into signed clients.

Immediately
Here is the {{resource_name}} you requested

Deliver the resource. Brief intro of your agency and specialization.

Day 3
How we helped {{client}} achieve {{result}} with email

Detailed case study showing your email marketing results. Specific numbers and ROI.

Day 7
The email marketing mistakes we see most businesses make

Educational content demonstrating agency expertise. Common problems and how you solve them.

Day 10
Want to see what email marketing could do for your business?

CTA to book a discovery call. Include free audit offer. Link to scheduling page.

Monthly Client Report

Trigger: Monthly schedule

Keep clients informed and demonstrate value with monthly performance reports.

Monthly
Your {{month}} email marketing report

Key metrics, campaign performance, subscriber growth, and revenue attributed to email. Include recommendations for next month.

Client Retention

Trigger: 3 months into engagement

Strengthen client relationships at key milestones.

3 months
Your first quarter results — and what is next

Quarter-in-review with performance vs goals. Propose expanded services or next-phase strategy.

6 months
6-month milestone — look how far we have come

Comprehensive performance review. Year-over-year comparisons if available. Reinforce the value of the partnership.

Choosing the Right Platform for Your Agency

The best tool depends on your client types, team size, and pricing model.

If you serve e-commerce clients, Klaviyo and Drip have the deepest store integrations and revenue attribution. Klaviyo's agency partner program is particularly strong.

If you want efficiency, Sequenzy's AI generates client sequences in seconds, dramatically increasing team productivity. This translates directly to higher margins on email services.

If you want the most features, ActiveCampaign's agency partner program includes the most powerful automation, CRM, and multi-client management tools. The investment in learning pays off across all clients.

The Agency Email Playbook

Three strategies make email marketing profitable for agencies:

Standardize delivery with templates, workflows, and processes that adapt to each client. Building from scratch for every client kills margins. Create reusable assets that your team customizes efficiently.

Demonstrate ROI with clear reporting tied to revenue. Email marketing's attributability is its superpower for agencies. Monthly reports showing revenue from email campaigns keep clients engaged and justify your fees.

Upsell through results by starting with basic email campaigns and expanding into automation, segmentation, and advanced strategies as results prove out. Clients who see email ROI expand their budgets.

Getting Started

  1. Choose one primary platform and build deep expertise
  2. Create reusable templates and workflows you can adapt per client
  3. Build your first case study by delivering results for an existing client
  4. Standardize your reporting to clearly show email marketing ROI
  5. Package email marketing as a defined service with clear deliverables and pricing

The agencies that profit most from email marketing are the ones that systemize delivery without sacrificing quality.

Frequently Asked Questions

Ready to grow your agencie practice?

Start your free trial today. Set up your first email sequence in minutes with AI-powered content generation.

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Sequenzy - Complete Pricing Guide

Pricing Model

Sequenzy uses subscriber-based pricing. You only pay for subscribers active in sequences (automations). Inactive subscribers are free to store.

All Pricing Tiers

  • 0-100 subscribers: Free (Free annually) - 3k emails/month
  • 101-1,000 subscribers: $19/month ($205/year annually) - 15k emails/month
  • 1,001-5,000 subscribers: $29/month ($313/year annually) - 60k emails/month
  • 5,001-10,000 subscribers: $49/month ($529/year annually) - 120k emails/month
  • 10,001-25,000 subscribers: $99/month ($1069/year annually) - 300k emails/month
  • 25,001-50,000 subscribers: $199/month ($2149/year annually) - 600k emails/month
  • 50,001-100,000 subscribers: $349/month ($3769/year annually) - 1.2M emails/month
  • 100,000+ subscribers: Custom pricing (Custom annually) - Unlimited emails/month

Yearly billing: All plans offer a 10% discount when billed annually.

Free Plan Features (2,500 emails/month)

  • Visual automation builder
  • Transactional email API
  • Reply tracking & team inbox
  • Goal tracking & revenue attribution
  • Dynamic segments
  • Payment integrations
  • Full REST API access
  • Custom sending domain

Paid Plan Features (1,000 - 100,000 subscribers)

  • Visual automation builder
  • Transactional email API
  • Reply tracking & team inbox
  • Goal tracking & revenue attribution
  • Dynamic segments
  • Payment integrations (Stripe, Paddle, Lemon Squeezy)
  • Full REST API access
  • Custom sending domain

Enterprise Plan Features (100,000+ subscribers)

  • Visual automation builder
  • Transactional email API
  • Reply tracking & team inbox
  • Goal tracking & revenue attribution
  • Dynamic segments
  • Payment integrations
  • Full REST API access
  • Custom sending domain

Important Pricing Notes

  • You only pay for subscribers who are active in automations/sequences
  • Storing inactive subscribers is free
  • No hidden fees - all features included in the price
  • No credit card required for free tier

Contact

  • Pricing Page: https://sequenzy.com/pricing
  • Sales: hello@sequenzy.com