🏆 Deal of the Week · CW 32/2025
Riverlane raised USD 75 million in a Series C round at a post-money valuation of USD 325 million. The round was led by Planet First Partners and co-invested by the National Security Strategic Investment Fund, EDBI, Cambridge Innovation Capital, Amadeus Capital Partners, and Altair.
Riverlane — key deal facts
| Company | Riverlane |
| Founded | 2016 |
| Headquarters | Cambridge, United Kingdom |
| Amount raised | USD 75 M |
| Valuation | USD 325 M |
| Round | Series C |
| Investors | Planet First Partners, National Security Strategic Investment Fund, EDBI, Cambridge Innovation Capital, Amadeus Capital Partners, Altair |
| Sectors | Computer, Information Technology, Quantum Computing, Software |
Who invested in Riverlane?
The investor syndicate spans sovereign-aligned capital, deep-tech venture, and international strategic funds. The participation of the National Security Strategic Investment Fund reflects the strategic importance of quantum error correction to national security interests, while EDBI's involvement signals cross-border institutional appetite for UK quantum assets. Cambridge Innovation Capital and Amadeus Capital Partners continue their support as existing backers of the UK quantum ecosystem.
What does Riverlane do?
Riverlane was founded in 2016 by Steve Brierley and is headquartered in Cambridge, England, with additional offices in Boston and San Francisco. The company develops Deltaflow, a Quantum Error Correction Stack designed to correct millions of data errors in real time, enabling quantum computers to operate at practical scale. Deltaflow functions as a quantum operating system providing real-time error decoding, logical orchestration, and a universal control interface. Its primary customers include governments, quantum hardware manufacturers, and leading research institutions.
Riverlane valuation & multiples
No existing multiples analysis was provided for this deal. Valuation benchmarking for quantum computing software companies typically draws on EV/Sales and EV/EBITDA multiples from the broader enterprise software and deep-tech sectors. For relevant sector comparables and current trading multiples, visit the Venionaire DealMatrix sector multiples pages for Computer Software and Information Technology.
Explore the benchmarks: Series C Software.
Frequently asked questions
How much did Riverlane raise in its Series C?
Riverlane raised USD 75 million in its Series C round, announced in 2025.
What is Riverlane's valuation?
Riverlane's post-money valuation following the Series C is USD 325 million.
Who invested in Riverlane?
The round was backed by Planet First Partners, the National Security Strategic Investment Fund, EDBI, Cambridge Innovation Capital, Amadeus Capital Partners, and Altair.
When was Riverlane founded and where is it based?
Riverlane was founded in 2016 and is headquartered in Cambridge, United Kingdom.
Source: original announcement — read the full report.