"Hard Tech" Startups in London
Every active London startup we index that carries the "Hard Tech" tag.
About "Hard Tech" startups in London
Our index currently lists 7 tech startups in London tagged "Hard Tech" — a city×tag slice of the live directory, not every "Hard Tech" company nationwide and not every London startup regardless of tag. 14% of this slice is hiring right now (1 of 7). Apply links on each profile go to the company's own site; we don't act as a middleman. "Hard Tech" startups in London include CircuitHub, Frontier Computing, Instinct, Instinct Space, and Meticulous. Categories represented here: Industrials, Climate, and Hardware. YC batches in this slice: W25, W12, S26, and S21, among others. Widen the view anytime: all London startups at /startups/location/london, or every "Hard Tech" company nationwide at /startups/tag/hard-tech.
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Frequently asked questions
How many "Hard Tech" startups are in London?
Our index currently tracks 7 active tech startups in London tagged "Hard Tech". Counts move as scrapers discover new companies and flag shutdowns inactive.
Which "Hard Tech" startups are based in London?
Companies on this page include CircuitHub, Frontier Computing, and Instinct, plus 4 more below. Each profile links to the company's site and any open roles we scrape.
How is this different from the London startups page or the "Hard Tech" tag page?
/startups/location/london lists every indexed startup in London across tags. /startups/tag/hard-tech lists every "Hard Tech" startup nationwide. This page is the intersection — only companies that resolve to both London and "Hard Tech".
Are these London "Hard Tech" startups hiring?
1 of the 7 companies on this page currently have open roles in our jobs index.
How often is this list updated?
Automated scrapers refresh on the same daily cadence as the rest of the directory. The last index update was 2026-09-02.