# Spectral Compute funding: rounds and investors > Spectral Compute has raised $9.7M across 2 rounds since 2025. Investors include Costanoa Ventures and Crucible Venture Partners LLC. Source: https://millionrounds.com/company/spectral-compute (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Seed startup](https://millionrounds.com/companies) # Who invested in *Spectral Compute* 2 rounds we have observed, with the 2 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. AI Software Raised 6 months ago Follow Spectral Compute and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fspectral-compute) Funding summary Updated 5 Nov 2026 **$9.7M** raised across 2 rounds since 2025, from 2 sources **$6.0M** Seed **$3.7M** Round - **Latest round:** Round, $3.7M May 2026 - **Biggest round:** $6.0M Seed · Nov 2025 - **Investors:** 2 (1 led) See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2026 **$6.0M** Seed **$3.7M** Round - **First round:** Seed, $6.0M - **Biggest round:** $6.0M - **Between rounds:** 6 months ## The rounds - **May 2026** Round **$3.7M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Nov 2025** Seed **$6.0M** *2 new* [Costanoa Ventures](https://millionrounds.com/fund/costanoa-ventures) Lead [Crucible Venture Partners LLC](https://millionrounds.com/fund/crucible-venture-partners-llc) Reported by Silicon Canals ## Funding filed with regulators Spectral Compute filed 4 raises, $9.3M in all. Filings say how much was sold and to how many investors; they never name the investors. - May 2026 **$3.7M** UK share allotment - Oct 2025 **$1.0M** UK share allotment - Sept 2025 **$3.7M** UK share allotment - Sept 2025 **$919K** UK 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. **Seed** 2025 **Round** 2026 [Costanoa Ventures](https://millionrounds.com/fund/costanoa-ventures) L [Crucible Venture Partners LLC](https://millionrounds.com/fund/crucible-venture-partners-llc) ## Everyone who backed them [Costanoa Ventures](https://millionrounds.com/fund/costanoa-ventures) VC firm **1** round, led 1 [Crucible Venture Partners LLC](https://millionrounds.com/fund/crucible-venture-partners-llc) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=spectral-compute). ## Also claim to have backed them This firm lists Spectral Compute as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above. [Crucible Capital](https://millionrounds.com/fund/crucible-capital) VC firm Per its own site ## Quick answers about Spectral Compute ### Who invested in Spectral Compute? Spectral Compute's investors include Costanoa Ventures and Crucible Venture Partners LLC. ### How much has Spectral Compute raised? Spectral Compute has raised $9.7M across 2 rounds since 2025. ### When did Spectral Compute last raise? Spectral Compute's most recent round, $3.7M, was in May 2026. ### What was Spectral Compute's biggest round? Spectral Compute's largest round on record is $6.0M (Seed), in Nov 2025, led by Costanoa Ventures. ### Who backed Spectral Compute first? Spectral Compute's first round on record, in Nov 2025, was backed by Costanoa Ventures and Crucible Venture Partners LLC. ### What stage is Spectral Compute at? Spectral Compute's latest named round is a Seed, in Nov 2025. ### Where is Spectral Compute based? Spectral Compute is based in the United Kingdom. ### Who led Spectral Compute's rounds? Costanoa Ventures led the Seed in 2025. ## Companies like Spectral Compute In the same sector, and raised in the last eighteen months. [**Atmospheric AI** $20M · Nov 2026](https://millionrounds.com/company/atmospheric-ai)[**Lazarus AI** $43M · Nov 2026](https://millionrounds.com/company/lazarus-ai)[**Crediflow AI** $2.0M · Nov 2026](https://millionrounds.com/company/crediflow-ai)[**Fractile** $960M · Oct 2026](https://millionrounds.com/company/fractile)[**Nexgen Cloud** $179M · Oct 2026](https://millionrounds.com/company/nexgen-cloud)[**Easol** $55M · Oct 2026](https://millionrounds.com/company/easol) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app