Diffblue Overview

  • Year Founded
  • 2016

Year Founded

  • Status
  • Private

  • Employees
  • 33

Employees

  • Latest Deal Type
  • 2ndary - Private

  • Investors
  • 13

Diffblue General Information

Description

Developer of an automated testing software designed to improve error-prone manual coding, with fully autonomous unit test writing. The company's software uses artificial intelligence to write unit tests for an entire application, find bugs, maintain and run regression unit tests automatically, and generate human-readable code, enabling clients with insights into test coverage, code testability, complexity, dependencies, and code churn.

Contact Information

Ownership Status
Privately Held (backing)
Financing Status
Venture Capital-Backed
Corporate Office
  • 5 New Street Square
  • London EC4A 3TW
  • England, United Kingdom
Primary Industry
Business/Productivity Software
Other Industries
Software Development Applications
Corporate Office
  • 5 New Street Square
  • London EC4A 3TW
  • England, United Kingdom

Diffblue Timeline

2023202420252026
Financing RoundCaptured Employee CountEstimated Employee Growth

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Diffblue Valuation & Funding

Deal Type Date Amount Raised to Date Post-Val Status Stage
9. Secondary Transaction - Private 01-Feb-2026 Completed Generating Revenue
8. Grant 31-Mar-2025 Completed Generating Revenue
7. Later Stage VC (Series B) 30-Oct-2024 Completed Generating Revenue
6. Later Stage VC 13-Dec-2023 Completed Generating Revenue
5. Later Stage VC 21-Nov-2022 Completed Generating Revenue
4. Later Stage VC (Series A1) 21-Jan-2022 Completed Generating Revenue
3. Early Stage VC (Series A) 26-Jun-2017 Completed Generating Revenue
2. Seed Round 04-Mar-2016 $2.24M $2.24M Completed Generating Revenue
1. University Spin-Out 01-Jan-2016 Completed Startup
To view Diffblue’s complete valuation and funding history, request access »

Diffblue Cap Table

Stock # of Shares
Authorized
Par Value Dividend Rate (%) Original
Issue Price
Liquidation Liquidation
Pref. Multiple
Conversion Price % Owned
Series A1
Series A1 Preference
Series A1 Preference- Non voting
Series A1 Preference
Series A 98,677 $0.010923 $193.72 $193.72 1x $193.72 2.34%
Ordinary 52,417 $0.010923 $32.77 $32.77 1x $32.77 1.24%
To view Diffblue’s complete cap table history, request access »

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Opportunity Score

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Exit Type

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Diffblue Comparisons

Description
Primary
Industry
HQ Location
Employees
Total Raised
Post Valuation
Last
Financing
Details
Developer of an automated testing software designed to improve error-prone manual coding, with fully autonomous unit tes
Business/Productivity Software
London, United Kingdom
33 As of 2026

Geneva, Switzerland
 

San Francisco, CA
 
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Diffblue Competitors (12)

One of Diffblue’s 12 competitors is SonarSource, a Private Equity-Backed company based in Geneva, Switzerland.

Company Name Financing Status Location Employees Total Raised Last Financing Date/Type Last Financing Amount
SonarSource Private Equity-Backed Geneva, Switzerland
PullRequest Formerly VC-backed San Francisco, CA
Codacy Venture Capital-Backed Lisbon, Portugal
Code Climate Venture Capital-Backed New York, NY
SmartBear Software Private Equity-Backed Somerville, MA
You’re viewing 5 of 12 competitors. Get the full list »

Diffblue Patents

Diffblue Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
US-20260244440-A1 System and method for program state relevancy assessment Pending 18-Feb-2025
US-11650802-B2 Idiomatic source code generation Active 22-Dec-2020
US-20220197617-A1 Idiomatic source code generation Active 22-Dec-2020
US-11442845-B2 Systems and methods for automatic test generation Active 07-Dec-2020
US-20220179776-A1 Systems and methods for automatic test generation Active 07-Dec-2020 G06F11/3684
To view Diffblue’s complete patent history, request access »

Diffblue Signals

Growth Rate

Weekly
Growth
Weekly Growth

Size Multiple

Median
Size Multiple

Key Data Points

Similarweb Unique Visitors

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Diffblue Investors (13)

Investor Name Investor Type Holding Investor Since Participating Rounds
Innovate UK Government
Citigroup Investment Bank Minority
Albion Crown VCT Venture Capital Minority
AlbionVC Venture Capital Minority
Hostplus Superannuation Fund Limited Partner Minority
You’re viewing 5 of 13 investors. Get the full list »

Diffblue FAQs

  • When was Diffblue founded?

    Diffblue was founded in 2016.

  • Where is Diffblue headquartered?

    Diffblue is headquartered in London, United Kingdom.

  • What is the size of Diffblue?

    Diffblue has 33 total employees.

  • What industry is Diffblue in?

    Diffblue’s primary industry is Business/Productivity Software.

  • Is Diffblue a private or public company?

    Diffblue is a Private company.

  • What is Diffblue’s current revenue?

    The current revenue for Diffblue is .

  • How much funding has Diffblue raised over time?

    Diffblue has raised $43.9M.

  • Who are Diffblue’s investors?

    Innovate UK, Citigroup, Albion Crown VCT, AlbionVC, and Hostplus Superannuation Fund are 5 of 13 investors who have invested in Diffblue.

  • Who are Diffblue’s competitors?

    SonarSource, PullRequest, Codacy, Code Climate, and SmartBear Software are some of the 12 competitors of Diffblue.

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