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Meticulous
YC S21London, GB · Founded 2021 · 15 employees · Hiring · 11 known investors
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Meticulous automatically detects regressions in web applications by replaying user sessions at scale, helping front-end developers build more reliable software. The platform uses distributed replay systems and algorithms to identify code path coverage and differentiate meaningful test sessions.
Founders & leadership· Y Combinator alumni (S21)
Meticulous was founded in 2021 by Gabriel Spencer-Harper and Quentin Spencer-Harper.
Investors · 11
How we know: a partner's Signal profile · Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · somacap.com · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: a partner's Signal profile · Y Combinator's founder network · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: a partner's Signal profile · funding news · Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: funding news · Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: a partner's Signal profile · Not right? Tell us
Funding
SEC filings, press & company announcements$30M disclosed across 2 of 3 rounds · 2022–2026
Source: company announcements and press reports — follow each round's link for the claim.
Related companies · 10
Companies working in the same space as Meticulous.
Legal entities · 1
corporate structureCompanies House · registry record
View on Companies House ↗- Registered name
- METICULOUS LIMITED
- Company number
- 04920098
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 Oct 2003
- Registered office
- 9a Leicester Road, Blaby, Leicester, LE8 4GR
- Nature of business (SIC)
- 96090 — Other service activities n.e.c.
- Accounts
- last made up to 30 Sept 2025 · next due 30 Jun 2027
- Confirmation statement
- last made up to 2 Oct 2025 · next due 16 Oct 2026
Current officers · 3
- Daniel John Tippetts — secretary, appointed 6 Oct 2003
- Daniel John Tippetts — director, appointed 6 Oct 2003
- Denise Frances Weal — director, appointed 6 Oct 2003
Source: Companies House public register · retrieved 24 Jul 2026. Contains public sector information licensed under the Open Government Licence v3.0.
In the news
Frequently asked questions
- What does Meticulous do?
- Meticulous automatically detects regressions in web applications by replaying user sessions at scale, helping front-end developers build more reliable software. The platform uses distributed replay systems and algorithms to identify code path coverage and differentiate meaningful test sessions.
- Who founded Meticulous?
- Meticulous was founded by Gabriel Spencer-Harper, Quentin Spencer-Harper in 2021.
- Who are Meticulous's investors?
- Meticulous's investors include Coatue Management, Outcast Ventures, Soma Capital, Y Combinator, Base Case Capital, Chemistry, Lachy Groom, Menlo Ventures and 3 more.
- How much funding has Meticulous raised?
- Meticulous has disclosed $30M raised across 2 of its 3 known rounds.
- Where is Meticulous headquartered?
- Meticulous is headquartered in London, GB.