Startup · United Kingdom
Phasecraft
HQ Bristol, United KingdomFounded 201911-50 employeesUpdated
Phasecraft: the UK and US-based quantum algorithms company accelerating practical quantum advantage for real-world materials and optimization challenges.
Funding4 rounds · ~$56.5M
- Equity raised
- ~$56.5M
- Latest
- $34.0MSeries B · Sep 2, 2025
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Sep 2, 2025 | Series B | $34.0M | — | Playground Global | — | Reported |
| Aug 16, 2023 | Series A | ~$16.5M | — | Playground Global | — | Reported |
| Dec 10, 2020 | Seed | ~$5.0M | — | LocalGlobe | — | Reported |
| Mar 23, 2019 | Seed | ~$988K | — | — | — | Reported |
- Series BLed by Playground Global$34.0MSep 2, 2025
- Series ALed by Playground Global~$16.5MAug 16, 2023
- SeedLed by LocalGlobe~$5.0MDec 10, 2020
- Seed~$988KMar 23, 2019
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Systems2
Newest unveiled first. Systems that belong to a government program link to the program page, where variants, costs and contracts are.
People4
| Person | Role |
|---|---|
| Ashley Montanaro | co-founder and CEO |
| John Morton | Co-Founder |
| Professors Ashley Montanaro | Founder |
| Toby Cubitt | Founder |
Sources6
Profile2
- 1
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "UK", "hq_iso2": "GB", "id": "f46f143a-a422-4d21-859f-9a0876411bdc"}”
- 2
Phasecraft · Supports Organization · description, Organization · name, Organization · website
“Phasecraft: the UK and US-based quantum algorithms company accelerating practical quantum advantage for real-world materials and optimization challenges.”
Systems1
- 3
Phasecraft · Supports System
“Magritte is a full materials modeling pipeline, taking a target material's atomic specification and producing a quantum circuit for simulating it.”
Funding1
- 4DatabasePhasecraft company profile
Octen Business Search · Supports Funding round, Organization · employee range, Organization · founded year, Organization · hq city, Organization · linkedin url, Organization · ownership, Role
“funding round: Seed Round, 2019-03-23, GBP 750,000, lead: UCL Technology Fund”
People2
- 5
bristol.ac.uk · Supports Role
“Phasecraft was founded in 2019 by Toby Cubitt, Ashley Montanaro, and John Morton, expert quantum scientists who have spent decades leading top research teams at UCL and the University of Bristol.”
- 6
Phasecraft · Supports Role
“Phasecraft was founded by Professors Ashley Montanaro (CEO), Toby Cubitt (CTO and Chief Science Officer) and John Morton to bridge the gap between today’s quantum hardware and real-world applications by radically reimagining how quantum algorithms are designed.”
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