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Memo

DefunctYC S20

Exeter, GB · Founded 2019 · 2 employees · 3 known investors

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Memo is a communication platform designed for professionals seeking focused, intentional messaging as an alternative to email and chat tools. It emphasizes high-value messages to reduce noise and help users reclaim time from constant notifications.

Also known as DID Incorporated · DID · DID, DID.app, Plum Mail · DID.app · Plum Mail

Developer ToolsEnterprise SoftwareSaaSUnited KingdomEuropeFully Remote

Founders & leadership· Y Combinator alumni (S20)

Memo was founded in 2019 by Richard Shepherd and Peter Saxton.

RSRichard Shepherd
Richard ShepherdFounderRichard Shepherd is a UK-based full-stack web developer who previously ran a creative agency in southwest England. He is now working on Memo, a product aimed at replacing email.
PSPeter Saxton
Peter SaxtonFounderPeter Saxton has built web applications, APIs, and infrastructure systems, with focus on distributed systems and security architecture. He previously studied physics and quantum optics, and is now working on authentication technology.

Investors · 3

Abstract VenturesreportedSan Francisco · $250K – $750K

How we know: open dataset · 5k.vc investor directory · Not right? Tell us

Draft Ventures LlcreportedSan Francisco

How we know: open dataset · 5k.vc investor directory · Not right? Tell us

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

Related companies · 5

BeeperBeeper is a unified messaging app that consolidates popular messaging services into a single cross-platform interface. It supports Android, iPhone, iPad, ChromeOS, macOS, Windows, and Linux, with optional paid features for power users managing multiple accounts.
QuoQuo is a cloud-based business communication platform that provides a modern phone system for small businesses to connect with customers and manage relationships. The product targets small business owners who need professional communication tools to scale operations and compete effectively.
SliteSlite provides a knowledge base platform designed for team collaboration and information organization. In 2025, the company expanded into AI-powered search and workflow automation through its Super product.
TandemTandem provides software that gives remote teams visibility into each other's availability and current work context, with integrated communication tools for instant messaging, screen sharing, and video calls.
CocoonCocoon provides technology to simplify leave management for employees and employers, handling leave compliance, insurance claims, and payroll administration in the United States.

Companies working in the same space as Memo.

Legal entities · 1

corporate structure
DID Incorporated

Frequently asked questions

What does Memo do?
Memo is a communication platform designed for professionals seeking focused, intentional messaging as an alternative to email and chat tools. It emphasizes high-value messages to reduce noise and help users reclaim time from constant notifications.
Who founded Memo?
Memo was founded by Richard Shepherd, Peter Saxton in 2019.
Who are Memo's investors?
Memo's investors include Y Combinator, Abstract Ventures, Draft Ventures Llc.
Where is Memo headquartered?
Memo is headquartered in Exeter, GB.