---
title: "Which companies in United Kingdom use FastAPI?"
description: "Jack & Jill, Lila Sciences, payabl., Fitch Group and more. 607 companies hiring in United Kingdom whose own job postings show they use FastAPI: 149 confirmed"
canonical: https://jobspipe.dev/technologies/fastapi/gb
---

# Which companies in United Kingdom use FastAPI?

> Jack & Jill, Lila Sciences, payabl., Fitch Group and more. 607 companies hiring in United Kingdom whose own job postings show they use FastAPI: 149 confirmed, 458 likely. Updated daily from live postings.

**Canonical URL:** https://jobspipe.dev/technologies/fastapi/gb

607 companies with postings in United Kingdom use FastAPI according to their own job postings: 149 confirmed and 458 likely. The 89 listed below are confirmed users with at least 2 postings and a verified website; the rest are counted here but not named.

- **Confirmed companies:** 149
- **Likely companies:** 458
- **Category:** Web frameworks
- **As of:** 25 Sep 2026

## Companies using FastAPI

| # | Company | Postings naming it | Last seen |
|---|---|---|---|
| 1 | [Jack & Jill](https://jobspipe.dev/hiring/jackandjill.ai) | 49 | 30 Sep 2026 |
| 2 | [Lila Sciences](https://jobspipe.dev/hiring/lila.ai) | 49 | 5 Nov 2026 |
| 3 | [payabl.](https://jobspipe.dev/hiring/payabl.com) | 44 | 30 Oct 2026 |
| 4 | [Fitch Group](https://jobspipe.dev/hiring/fitch.group) | 28 | 3 Nov 2026 |
| 5 | [Ebury](https://jobspipe.dev/hiring/ebury.com) | 24 | 6 Nov 2026 |
| 6 | [Dex](https://jobspipe.dev/hiring/meetdex.ai) | 20 | 6 Nov 2026 |
| 7 | [Project Brains](https://jobspipe.dev/hiring/projectbrains.io) | 19 | 29 Oct 2026 |
| 8 | [Oliver Bernard](https://jobspipe.dev/hiring/oliverbernard.com) | 18 | 4 Nov 2026 |
| 9 | [PhysicsX](https://jobspipe.dev/hiring/physicsx.ai) | 13 | 6 Nov 2026 |
| 10 | [ZOE](https://jobspipe.dev/hiring/joinzoe.com) | 13 | 2 Nov 2026 |
| 11 | [DualEntry](https://jobspipe.dev/hiring/dualentry.com) | 11 | 29 Oct 2026 |
| 12 | [hedgehog lab](https://jobspipe.dev/hiring/hedgehoglab.com) | 11 | 21 Oct 2026 |
| 13 | [Invisible Technologies](https://jobspipe.dev/hiring/invisibletech.ai) | 11 | 20 Oct 2026 |
| 14 | [66degrees](https://jobspipe.dev/hiring/66degrees.com) | 9 | 3 Nov 2026 |
| 15 | [inovex GmbH](https://jobspipe.dev/hiring/inovex.de) | 9 | 24 Oct 2026 |
| 16 | [Rothstein Recruitment](https://jobspipe.dev/hiring/rothstein.co.uk) | 9 | 3 Nov 2026 |
| 17 | [tem](https://jobspipe.dev/hiring/tem.energy) | 9 | 4 Nov 2026 |
| 18 | [9fin](https://jobspipe.dev/hiring/9fin.com) | 8 | 5 Nov 2026 |
| 19 | [G2](https://jobspipe.dev/hiring/g2.com) | 7 | 6 Nov 2026 |
| 20 | [iwoca](https://jobspipe.dev/hiring/iwoca.co.uk) | 7 | 4 Nov 2026 |
| 21 | [Kyndryl](https://jobspipe.dev/hiring/kyndryl.com) | 7 | 30 Oct 2026 |
| 22 | [Owen Thomas \| B Corp™](https://jobspipe.dev/hiring/owenthomas.io) | 7 | 7 Nov 2026 |
| 23 | [Applied Computing](https://jobspipe.dev/hiring/appliedcomputing.com) | 6 | 31 Oct 2026 |
| 24 | [BT Group](https://jobspipe.dev/hiring/bt.com) | 6 | 28 Oct 2026 |
| 25 | [Edra](https://jobspipe.dev/hiring/edra.ai) | 6 | 7 Nov 2026 |
| 26 | [ev.energy](https://jobspipe.dev/hiring/ev.energy) | 6 | 26 Oct 2026 |
| 27 | [Hook](https://jobspipe.dev/hiring/hookmusic.com) | 6 | 27 Sep 2026 |
| 28 | [Mimica](https://jobspipe.dev/hiring/mimica.ai) | 6 | 5 Nov 2026 |
| 29 | [Baringa](https://jobspipe.dev/hiring/baringa.com) | 5 | 28 Oct 2026 |
| 30 | [Explore Group](https://jobspipe.dev/hiring/explore-group.com) | 5 | 4 Nov 2026 |
| 31 | [Landytech](https://jobspipe.dev/hiring/landytech.com) | 5 | 7 Nov 2026 |
| 32 | [Oscar](https://jobspipe.dev/hiring/oscar-recruit.com) | 5 | 26 Oct 2026 |
| 33 | [Trustonic](https://jobspipe.dev/hiring/trustonic.com) | 5 | 27 Oct 2026 |
| 34 | [Twine](https://jobspipe.dev/hiring/twine.net) | 5 | 25 Sep 2026 |
| 35 | [Causaly](https://jobspipe.dev/hiring/causaly.com) | 4 | 3 Oct 2026 |
| 36 | [Kintec Global Recruitment](https://jobspipe.dev/hiring/kintecglobal.com) | 4 | 26 Oct 2026 |
| 37 | [La Fosse](https://jobspipe.dev/hiring/lafosse.com) | 4 | 3 Nov 2026 |
| 38 | [Lendable](https://jobspipe.dev/hiring/lendable.co.uk) | 4 | 24 Oct 2026 |
| 39 | [Letly](https://jobspipe.dev/hiring/letly.ai) | 4 | 14 Oct 2026 |
| 40 | [Maxwell Bond](https://jobspipe.dev/hiring/maxwellbond.co.uk) | 4 | 28 Oct 2026 |
| 41 | [Plum Inc](https://jobspipe.dev/hiring/withplum.com) | 4 | 5 Nov 2026 |
| 42 | [Reflection](https://jobspipe.dev/hiring/reflection.ai) | 4 | 4 Nov 2026 |
| 43 | [SPG Resourcing](https://jobspipe.dev/hiring/spgresourcing.com) | 4 | 14 Oct 2026 |
| 44 | [Ventula Consulting](https://jobspipe.dev/hiring/ventula.co.uk) | 4 | 19 Oct 2026 |
| 45 | [83zero Ltd](https://jobspipe.dev/hiring/83zero.com) | 3 | 24 Sep 2026 |
| 46 | [Alfa AI](https://jobspipe.dev/hiring/welovealfa.com) | 3 | 6 Nov 2026 |
| 47 | [Evalueserve](https://jobspipe.dev/hiring/evalueserve.com) | 3 | 14 Oct 2026 |
| 48 | [Flagship Pioneering, Inc.](https://jobspipe.dev/hiring/flagshippioneering.com) | 3 | 26 Oct 2026 |
| 49 | [Frontier Agriculture](https://jobspipe.dev/hiring/frontierag.co.uk) | 3 | 23 Oct 2026 |
| 50 | [Fundment](https://jobspipe.dev/hiring/fundment.com) | 3 | 5 Nov 2026 |
| 51 | [Grip](https://jobspipe.dev/hiring/gripadvertising.com) | 3 | 24 Oct 2026 |
| 52 | [Marble](https://jobspipe.dev/hiring/checkmarble.com) | 3 | 14 Sep 2026 |
| 53 | [Mind Foundry](https://jobspipe.dev/hiring/mindfoundry.ai) | 3 | 28 Oct 2026 |
| 54 | [Penguin Random House](https://jobspipe.dev/hiring/penguinrandomhouse.com) | 3 | 8 Oct 2026 |
| 55 | [Savills](https://jobspipe.dev/hiring/savills.com) | 3 | 30 Oct 2026 |
| 56 | [SearchWorks](https://jobspipe.dev/hiring/searchworks.uk) | 3 | 19 Oct 2026 |
| 57 | [Sky](https://jobspipe.dev/hiring/sky.com) | 3 | 29 Oct 2026 |
| 58 | [Stealth iT Consulting](https://jobspipe.dev/hiring/stealth-it.com) | 3 | 6 Nov 2026 |
| 59 | [Suade](https://jobspipe.dev/hiring/suade.org) | 3 | 2 Sep 2026 |
| 60 | [Vallum Associates](https://jobspipe.dev/hiring/vallumassociates.com) | 3 | 29 Sep 2026 |
| 61 | [Worldpay](https://jobspipe.dev/hiring/worldpay.com) | 3 | 17 Oct 2026 |
| 62 | [Xantura Limited](https://jobspipe.dev/hiring/xantura.com) | 3 | 2 Nov 2026 |
| 63 | [Ada Meher](https://jobspipe.dev/hiring/adameher.com) | 2 | 5 Nov 2026 |
| 64 | [ADMIRAL](https://jobspipe.dev/hiring/admiralgroup.co.uk) | 2 | 3 Nov 2026 |
| 65 | [algo1](https://jobspipe.dev/hiring/algo1.ai) | 2 | 15 Oct 2026 |
| 66 | [Atarus](https://jobspipe.dev/hiring/atarus.co.uk) | 2 | 4 Nov 2026 |
| 67 | [Audi Revolut F1 Team](https://jobspipe.dev/hiring/audif1.com) | 2 | 2 Oct 2026 |
| 68 | [Balance](https://jobspipe.dev/hiring/usebalance.co) | 2 | 29 May 2026 |
| 69 | [BCN Group](https://jobspipe.dev/hiring/bcn.co.uk) | 2 | 27 Oct 2026 |
| 70 | [Clarity](https://jobspipe.dev/hiring/tryclarityhq.com) | 2 | 4 Nov 2025 |
| 71 | [ClearRoute](https://jobspipe.dev/hiring/clearroute.io) | 2 | 9 Aug 2026 |
| 72 | [CodeVerse](https://jobspipe.dev/hiring/codeverse.com) | 2 | 30 Oct 2026 |
| 73 | [Faculty](https://jobspipe.dev/hiring/faculty.ai) | 2 | 20 Oct 2026 |
| 74 | [Fleetcraft](https://jobspipe.dev/hiring/fleetcraft.nl) | 2 | 25 Sep 2026 |
| 75 | [Gateley plc](https://jobspipe.dev/hiring/gateleyplc.com) | 2 | 7 Nov 2026 |
| 76 | [Heron](https://jobspipe.dev/hiring/herondata.io) | 2 | 2 Mar 2026 |
| 77 | [Hive Science](https://jobspipe.dev/hiring/hivescience.ai) | 2 | 14 Oct 2026 |
| 78 | [Modo Energy](https://jobspipe.dev/hiring/modoenergy.com) | 2 | 30 Sep 2026 |
| 79 | [Neulinx](https://jobspipe.dev/hiring/neulinx.co.uk) | 2 | 14 Oct 2026 |
| 80 | [OneStream](https://jobspipe.dev/hiring/onestream.co.uk) | 2 | 1 Oct 2026 |
| 81 | [RedRock Resourcing](https://jobspipe.dev/hiring/redrockresourcing.co.uk) | 2 | 5 Nov 2026 |
| 82 | [Rentokil Initial Careers](https://jobspipe.dev/hiring/careers.rentokil-initial.com) | 2 | 19 Aug 2026 |
| 83 | [RSSB](https://jobspipe.dev/hiring/rssb.co.uk) | 2 | 30 Oct 2026 |
| 84 | [SalesAPE.ai](https://jobspipe.dev/hiring/salesape.ai) | 2 | 22 Sep 2026 |
| 85 | [Sirius Analysis Limited](https://jobspipe.dev/hiring/sirius-analysis.co.uk) | 2 | 13 Oct 2026 |
| 86 | [StreetID](https://jobspipe.dev/hiring/streetidtech.com) | 2 | 16 Oct 2026 |
| 87 | [Tech Talent Partners](https://jobspipe.dev/hiring/ttp.xyz) | 2 | 25 Sep 2026 |
| 88 | [Xpertise Recruitment](https://jobspipe.dev/hiring/xpertise-recruitment.com) | 2 | 14 Oct 2026 |
| 89 | [YLD](https://jobspipe.dev/hiring/yld.com) | 2 | 4 Nov 2026 |

## By country

- [United States](https://jobspipe.dev/technologies/fastapi/us)
- [India](https://jobspipe.dev/technologies/fastapi/in)
- [Germany](https://jobspipe.dev/technologies/fastapi/de)
- [France](https://jobspipe.dev/technologies/fastapi/fr)
- [Mexico](https://jobspipe.dev/technologies/fastapi/mx)
- [Brazil](https://jobspipe.dev/technologies/fastapi/br)
- [Canada](https://jobspipe.dev/technologies/fastapi/ca)
- [Spain](https://jobspipe.dev/technologies/fastapi/es)
- [Poland](https://jobspipe.dev/technologies/fastapi/pl)

Worldwide: [Which companies use FastAPI?](https://jobspipe.dev/technologies/fastapi)

## FAQ

### How many companies use FastAPI in United Kingdom?

607 companies in United Kingdom have job postings that show they use FastAPI, as of 25 Sep 2026. 149 are confirmed and 458 are likely.

### Which companies use FastAPI in United Kingdom?

Jack & Jill, Lila Sciences, payabl., Fitch Group, Ebury are among the confirmed FastAPI users with the most postings naming it in United Kingdom. The full list on this page names 89 companies.

### How does JobsPipe know a company uses FastAPI?

From the company's own job postings. Each posting is read for the technologies it names, and every company and technology pair is graded: confirmed when two independent checks agree on FastAPI in at least one posting, likely when it is a stated requirement or appears in two separate postings. A single passing mention is not counted here. It is evidence of a team working with FastAPI, not a purchase record.

## Reproduce

```bash
curl -X POST https://api.jobspipe.dev/v1/companies/search -H "Authorization: Bearer $JOBSPIPE_API_KEY" -H "Content-Type: application/json" -d '{"company_technology_slug_or":["fastapi"],"tier_min":"confirmed","company_country_code_or":["GB"],"limit":25}'
```


---
Try it with no key: `curl -d '{"limit":3}' https://api.jobspipe.dev/v1/sandbox/jobs/search`. AI agents: the full machine-readable index of this site is https://jobspipe.dev/llms.txt?src=md-twin - API quickstart, MCP server, pricing. Free key (1,000 jobs to start): https://jobspipe.dev/signup