United Kingdom · 
Who invested in Lumai?
Lumai's investors include Constructor Capital, IP Group, M Ventures, Runa Capital and nVentures, and 6 more on record. Constructor Capital led its latest round.
2022202320242025
$3.4MRound$10MRoundUnited Kingdom · Funded startup
Who invested in Lumai
2 rounds we have observed, with the 11 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
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Funding summaryUpdated 5 Nov 2026
$13Mraised across 2 rounds since 2022, from 2 sources
$3.4MRound$10MRound
- Latest round
- Round, $10MApr 2025
- Led by
- Constructor Capital
- Step-upi
- 2.9×
- Investors
- 11 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Round, $3.4M Jan 2022
- Biggest round
- $10M Round · Apr 2025
- Between rounds
- 3.3 years from the last two
The rounds
- Apr 2025Round$10M11 new
Constructor CapitalLead
IP Group
M Ventures
Runa Capital
nVentures
LIFTT
PhotonVentures
State Farm Ventures
Qubits Ventures- TIS Inc
- Journey Ventures
Reported by TechStartups
- Jan 2022Round$3.4M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Funding filed with regulators
Lumai filed 2 raises, $3.9M in all. Filings say how much was sold and to how many investors; they never name the investors.
- Mar 2025$2.1MUK share allotment
- Jan 2022$1.7MUK share allotment
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
TIS IncInvestment firm1round
Journey Venturesno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 2 firms list Lumai as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Lumai
How much has Lumai raised?
Lumai has raised $13M across 2 rounds since 2022.
When did Lumai last raise?
Lumai's most recent round, $10M, was in Apr 2025, led by Constructor Capital.
What was Lumai's biggest round?
Its most recent round, $10M in Apr 2025, is also its largest on record.
Who backed Lumai first?
Lumai's first round on record, in Apr 2025, was backed by Constructor Capital, IP Group and M Ventures and 8 others.
Where is Lumai based?
Lumai is based in the United Kingdom.
Who led Lumai's rounds?
Constructor Capital led the funding round in 2025.
Companies like Lumai
In the same sector, and raised in the last eighteen months.
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