Fundz

Letterhead has raised $34 million in Series A funding, led by Peakspan Capital, to accelerate product development and market expansion.

PRIVATESep 28, 2026

Amount Raised

$34 Million

Round Type

Series A

MiamiSoftwareAnalyticsSaaS

Investors

PeakSpan Capital

Description

Letterhead, based in Miami, Florida, is the developer of a newsletter operating system. The company recently announced it raised $34 million in Series A funding to accelerate its product development and market expansion. This funding round was led by Peakspan Capital, with Matt Melymuka joining the Board of Directors. The new capital will help support Letterhead's growth as organizations adopt its platform for newsletter management.

Quick answer

Letterhead raised $34 Million in a Series A round, dated September 28, 2026. Investors: PeakSpan Capital. Letterhead is based in Miami, Florida, United States.

How much did Letterhead raise?
Letterhead raised $34 Million in a Series A round on September 28, 2026.
Who invested in Letterhead?
PeakSpan Capital is named as investors in this round.
What does Letterhead do?
Letterhead is the developer of a newsletter operating system designed to help organizations manage, automate, and scale their newsletter programs.
Where is Letterhead based and how big is it?
Letterhead is based in Miami, Florida, United States.
Who are the decision-makers at Letterhead?
Fundz holds 2 contacts at Letterhead, including the Head of Network and Founding Team. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Analytics and SaaS around the same time

Companies in the same sectors as Letterhead that raised within 45 days of this round, from Fundz verified event records.

  • Kindo raised $30M on November 12, 2026.
  • Scalestack raised an undisclosed amount on November 10, 2026.
  • Querio raised $5M (Seed) on October 27, 2026.
  • Bit.io raised $7.5M (Seed) on October 27, 2026.
  • Vectorial raised $3M (Seed) on October 20, 2026.
  • Databuddy Analytics raised $560K (Seed) on October 20, 2026.

Who to call at Letterhead, and when

A new round usually means Letterhead is about to hire and buy. The teams that reach out first get the meeting.

  • An alert the day Letterhead raises, hires an executive or expands, scored against what you sell
  • The decision-makers there, with verified emails
  • Who you already know at Letterhead, from your own LinkedIn network

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Company Information

Company

Letterhead

Location

Miami, Florida, United States

About

Letterhead is the developer of a newsletter operating system designed to help organizations manage, automate, and scale their newsletter programs. Their platform centralizes newsletter management, automates production workflows, and provides audience and performance insights. It integrates with existing ESP, CRM, and CMS infrastructure. As a result, brands and publishers can manage multiple newsletters across audiences, teams, and markets.

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Fundz sees it the moment Letterhead raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.

Related People

2 contacts
Verified contactsChris A., Head of Network and Founding Team hiddenSee plans and pricing
Predictive Intelligence
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ML-powered predictions for Letterhead's next move

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Funding Insights

What this usually means
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months

Letterhead raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 281,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.