Letterhead Suite

One platform to grow audience, engagement, and revenue.

Manage and grow your newsletter portfolio — from design to production to audience to revenue to deliverability — on one unified platform purpose-built for great content and lasting engagement.

10x Your Newsletters

End-to-end excellence, in one easy place.

PORTFOLIO

Grow the portfolio, not the workload.

Workspaces, governance, and a true portfolio-wide view of every brand, audience, and goal. Your team will optimize and grow every single list and newsletter like never before.

PRODUCTION

Cut production time by 75%. Increase quality by ∞

The email builder you've dreamed of. Global and lockable templates, an easy but powerful drag-and-drop editor, intelligent and personalized content curations, approval flows and so much more. No HTML, no chaos.

INTELLIGENCE

Know exactly what's working.

See what content is driving results, where people are engaging, what strategies are working, and recommendations powered by billions of sends. Automate and simplify reporting, so you can focus on what's next.

REVENUE

More conversions, better CPMs, every send.

Direct ads, programmatic, house promotions, conversion CTAs: however email drives revenue, manage and fulfill and track it in seconds across every newsletter and audience.

AUDIENCE

Know and engage every reader.

A unified view of every person across products and lists, with granular data and powerful companywide controls. Create segments, journeys, triggered flows, preferences, and everything else you need to create engagement that lasts.

SEND

Get and stay in the inbox, every time.

Newsletter and transactional support, dedicated IP addresses, automated migration and warmup, detailed deliverability reporting and repair, all at best-in-class pricing.

Engagement lift

+-127% on existing newsletters, 90 days after switching to Letterhead

Revenue lift

+-87% on monetized sends after 180 days — through sales, CTAs, advertising

Less production time

-298% per edition, on average

“The biggest game changer was how much time we saved.” — iNFOnews

Why Suite

What if your newsletter platform worked with you, every step of the way?

Letterhead Suite is built from the ground up for companies with many newsletters and audiences looking to grow, build lasting impact, and convert audience into revenue — all in one platform that works how you work.

One platform, one stack

Production, audience, revenue, and deliverability under one roof — not stitched across five tools.

Own deliverability

Dedicated IP pools, warmup, and sender reputation managed for you — own the audience relationship end to end.

User-level segments

Build the segments your old ESP can't — from a unified, user-level record of every reader.

Lower per-thousand cost

Best-in-class send rates ($0.10 / 1,000) on monetized, high-volume programs.

User-level Audience

A unified record of every reader — static and dynamic segments, journeys, and preference management built in.

Integrated Send

Newsletter and transactional delivery with dedicated IP pools, migration, and warmup handled for you.

Integrations

Works seamlessly with your CMS, CRM and any other acronym.

Letterhead connects to your CMS, CRM, CDP, and other tech to get content, get and sync data, automate workflows, and help you grow. Native integrations, API, and MCP servers available.

Data, CRM & CDP

[BlueConic](/content/integrations/blueconic "BlueConic"/index.html)
[HubSpot](/content/integrations/hubspot "HubSpot"/index.html)
[Salesforce](/content/integrations/salesforce "Salesforce"/index.html)
[Piano](/content/integrations/piano "Piano"/index.html)
[Zephyr](/content/integrations/zephyr "Zephyr"/index.html)

Content & CMS

[WordPress](/content/integrations/wordpress "WordPress"/index.html)
[BLOX](/content/integrations/blox "BLOX"/index.html)
[Sanity](/content/integrations/sanity "Sanity"/index.html)
[CUE](/content/integrations/cue "CUE"/index.html)

Events & commerce

[CitySpark](/content/integrations/cityspark "CitySpark"/index.html)
[Evvnt](/content/integrations/evvnt "Evvnt"/index.html)
[Shopify](/content/integrations/shopify "Shopify"/index.html)

Ad & monetization

[RevContent](/content/integrations/revcontent "RevContent"/index.html)
[LiveIntent](/content/integrations/liveintent "LiveIntent"/index.html)

Custom

[Custom integration](/content/integrations/custom "Custom integration"/index.html)

Comparisons

Letterhead Suite vs other solutions

See how Letterhead's complete operating system compares to other email, newsletter, and audience products.