Updated 2026-02-16

Best Email Marketing Tools for B2B2C SaaS

Three audiences, one platform. Engage your business clients, their customers, and your own team from a single email system.

B2B2C SaaS has the most complex email challenge in the industry. You are communicating with three distinct audiences: your business clients (the B), their end consumers (the C), and sometimes even your own internal team. Each layer needs different messaging, different branding, and different triggers. Your business clients need onboarding and success emails from your brand. Their consumers need transactional and engagement emails that look like they come from the business, not you. Here are the tools that handle this multi-layer communication without making you lose your mind.

Why B2B2C SaaS Needs Email Marketing

Business Client Onboarding

Your B2B clients need structured onboarding to set up the product, configure their branding, and start serving their customers through your platform. Automated sequences ensure every client launches successfully.

End Consumer Engagement

The consumers using your platform through your B2B clients need welcome emails, transactional notifications, and engagement sequences. These must be branded for each business client, not your platform.

Client Success Communication

Keeping your B2B clients engaged means sharing usage analytics, best practices, and product updates. Automated success sequences reduce churn at the business level, which protects the consumer base beneath.

Revenue Expansion Across Layers

Growth comes from expanding both your B2B client base and the consumer volume flowing through existing clients. Email drives both: nurturing new business leads while helping existing clients grow their consumer base.

7 Best Email Marketing Tools for B2B2C SaaS

Our Top Pick for B2B2C SaaS
#1
Sequenzy

Email marketing with event-driven automation and native payment integrations for SaaS.

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Best for
B2B2C SaaS wanting multi-layer automation with payment tracking
Pricing
$29/month for 50,000 emails

Pros

  • Event-driven triggers for both B2B and consumer layers
  • Native Stripe integration for multi-layer billing
  • AI generates separate B2B and consumer sequences
  • Pay per email for high consumer volumes

Cons

  • Newer platform with smaller community
  • No built-in co-branding for consumer emails
  • Template library still growing
#2
Customer.io

Powerful event-driven messaging for complex multi-audience use cases.

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Best for
B2B2C SaaS with complex multi-layer automation and funded teams
Pricing
$100/month for 5,000 profiles

Pros

  • Best multi-audience segmentation
  • Complex cross-layer workflow triggers
  • Multi-channel messaging
  • Flexible event pipeline

Cons

  • Expensive starting price
  • Complex setup requires engineering
  • No native payment integration
#3
SendGrid

High-volume email infrastructure with multi-domain support.

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Best for
B2B2C SaaS needing high-volume, multi-domain consumer email
Pricing
Free for 100 emails/day, plans from $19.95/month

Pros

  • Multi-domain sending for client-branded email
  • Handles high consumer email volumes
  • Subuser feature for reputation isolation

Cons

  • Basic marketing automation
  • Complex pricing
  • Need separate tool for B2B lifecycle
#4
Loops

Modern email platform for SaaS with event-based automations.

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Best for
Simpler B2B2C models with straightforward consumer communication
Pricing
Free up to 1,000 contacts, then $49/month

Pros

  • Clean, SaaS-native interface
  • Event-based automations
  • Combined transactional and marketing

Cons

  • Not designed for multi-layer hierarchies
  • Per-contact pricing includes all consumers
  • Limited co-branding support
#5
Resend

Developer-first email API with multi-domain support.

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Best for
Technical B2B2C teams building custom multi-layer email systems
Pricing
Free for 3,000 emails/month, then $20/month

Pros

  • Multi-domain for client-branded email
  • React Email for dynamic templates
  • Clean API for high volumes

Cons

  • No built-in automation
  • Must build routing logic in code
  • No audience management
#6
Userlist

Email automation for SaaS with company-level tracking.

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Best for
B2B2C SaaS wanting business-level tracking for client success
Pricing
$149/month for 5,000 users

Pros

  • Company-level tracking for B2B clients
  • Behavior-based automation
  • SaaS-specific lifecycle patterns

Cons

  • Higher starting price
  • Limited multi-domain support
  • Smaller community
#7
HubSpot

Enterprise CRM and marketing platform.

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Best for
B2B2C with sales-led client acquisition and dedicated account management
Pricing
Free CRM, marketing hub from $50/month

Pros

  • Complete CRM for client management
  • Lead nurturing for B2B sales
  • Client health scoring

Cons

  • Not designed for consumer-layer email
  • Expensive at scale
  • Need a second tool for consumer communication

Feature Comparison

FeatureSequenzyCustomer.ioSendGridUserlist
Multi-layer messaging
Via events
Advanced
Infrastructure only
Via companies
Client-branded sending
Via custom setup
Via setup
Subuser feature
Limited
Payment integration
Native Stripe
No
No
No
Consumer volume handling
Good
Excellent
Excellent
Moderate
B2B onboarding automation
AI-powered
Visual builder
No
Yes
Company-level tracking
No
No
No
Yes
Starting price
$29/mo
$100/mo
$19.95/mo
$149/mo

Email Sequences Every B2B2C SaaS Needs

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

B2B Client Onboarding

Trigger: New business client signs up

Walk business clients through platform setup, branding configuration, and launching their first consumer-facing experience.

Immediate
Welcome - let us get your account set up

Welcome email with account credentials, a link to the setup wizard, and the key steps to go live.

Day 1
Step 1: Configure your branding and domain

Guide them through branding setup so their consumers see their brand, not yours.

Day 3
Step 2: Invite your first customers

Show them how to onboard their consumers through the platform. Include templates and best practices.

Day 7
Your first week in numbers

Usage dashboard showing consumer signups, engagement, and key metrics. Celebrate early wins and suggest optimization tips.

Client Success Monitoring

Trigger: Client's consumer engagement drops 30% week over week

Proactive outreach when a client's consumer metrics decline.

When drop detected
Your consumer engagement dipped this week - here is what might help

Flag the metric drop with specific data. Share tips for re-engaging consumers. Offer a quick call to review their setup.

7 days later if no improvement
Let us help you get engagement back on track

Personal outreach from customer success. Offer a hands-on review of their consumer experience and suggest specific improvements.

The Three-Layer Communication Challenge

B2B2C is the hardest email marketing model in SaaS. You are not just managing one relationship. You are managing three: your platform to business clients, business clients to their consumers, and sometimes your platform directly to consumers. Each layer has different triggers, different branding, and different success metrics.

The companies that handle this well treat each layer as a separate communication track with shared infrastructure. Your B2B client onboarding uses your brand and your domain. Consumer-facing emails use the client's brand and domain. And platform-level communications (outages, security updates) go to everyone with appropriate context.

Your Clients' Success Is Your Success

In B2B2C, your most important email sequences are not the ones you send to consumers. They are the ones you send to business clients. If a client fails to onboard properly, their consumers never engage. If a client does not understand the platform's capabilities, they cannot serve their consumers well. If a client's engagement drops, the consumer base follows.

Invest heavily in B2B client success sequences. Track their consumer metrics and proactively reach out when things look off. The cost of losing a B2B client includes all the consumers beneath them.

Consumer Volume Economics

B2B2C creates interesting email economics. A single business client might generate thousands of consumer emails per month. Per-contact pricing models break down fast when you are responsible for both B2B contacts and their consumer bases. Look for per-email pricing or negotiate volume rates that account for the two-layer structure.

Tools like Sequenzy with pay-per-email pricing align naturally with B2B2C economics. You pay for actual usage rather than for the total number of consumers in your system.

Frequently Asked Questions

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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