AI-native · built for UK angels

The sentinel for private portfolios.

Due diligence on any startup in minutes — market, competition, founders, digital footprint — and a watchful eye on every company you already hold. Named after the bird farmers trust more than any watchdog.

Companies House sync

Type your name. Tero finds your directorships and holdings on the register, filters out your own business and advisory seats, and monitors the rest.

Structured due diligence

Market size and growth (or the closest comparables when the market doesn't exist yet), competition, founder background checks, digital footprint — from a deck, a URL, or just a name.

Ask follow-ups

Every report comes with an analyst you can question — "you sized the market top-down, what does bottom-up look like?" — grounded in the report, extended by live search.

News with the so-what

Tero watches news for every portfolio company and tells you what each story means for your position. A weekly brief lands in your inbox.