Diffblue

Private

OxfordEnterprise Softwarehttps://www.diffblue.com/

Last Round

Grant

Mar 31, 2025

Total Funding Raised

$29.59M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Diffblue is a software company that provides an AI-powered platform to automate the writing of Java unit tests.

Sector

Enterprise Software

Verticals

DevOps & Containers, Quality Management, Application Security

Business Model

B2B

Customer Profile

Subscription SaaS, Usage-Based SaaS

AI Layer

Application

Keywords

automated unit testingJava unit testsAI coding assistantvibe codingCI/CD integrationtest coveragesoftware test automationAI software testingautonomous testingcode qualitydeveloper productivity toolsDevOps automationcontinuous integrationenterprise dev toolsJava development

Historical Pricing

Historical view of private secondary pricing and transaction trends.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Track how buyer interest and sentiment changes over time.

Diffblue Comps

Public and private peers based on sector, stage, and business model.

Diffblue comps — public and private peers by sector, stage, and business model
Company	Status	Est. Valuation	Rev Multiple
OpenAI	Private	$86.0B	~40x
Cohere	Private	$5.0B	--
Competitor 1	Public	$XX.XB	XXx
Competitor 2	Public	$XX.XB	XXx

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Diffblue Funding Rounds

Historical fundraising activity

Data table
Round	Date	Amount Raised	Valuation	Investors	Sources
Grant	Mar 31, 2025
Series A Extension	Oct 30, 2024
Strategic	Dec 12, 2023
VC Round	Nov 21, 2022
VC Round	Jan 26, 2022
Series A	Jun 27, 2017

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Key People

Founding team and executive leadership

Toffer Winslow

Chief Executive Officer Board Member

Executive Team

James Barrington-Wells

Chief Financial Officer

Executive Team

Diffblue Investors

Notable investors and investment history

Diffblue investors
Investor	Rounds
Innovate UK	Grant
IP Group	VC Round, Series A Extension
Hostplus Superannuation Fund	VC Round
Oxford Science Enterprises	Series A
University of Oxford	VC Round, Series A Extension
Citi Institutional Strategic Investments	Series A Extension, Strategic
Oxford Technology Investment Fund	VC Round

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Market signals

Structured signals derived from secondary market and firmographic data.

Mar 26, 2026
Partnered with InCred Insight Partners to accelerate software modernization.
Mar 26, 2026
Partnered with NextWave Consulting Ltd. to reach financial institutions.

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Diffblue Filings

SEC and related filings with document metadata.

Data table
Typed	Date	Amount Offered	Amount Sold	Filling	Pages	Download
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Diffblue Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Diffblue's valuation, stock price, and market status.

Firmographic Details

HeadquartersOxford

Employee Range24

Year Founded2016

Last FundingMar 31, 2025

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