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cubic

YC X25

London, GB · Founded 2025 · 6 employees · Hiring · 12 known investors

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cubic is an AI-powered code review tool that integrates with GitHub and IDEs to catch bugs, enforce coding standards, and identify security issues. It learns from senior developers' patterns and runs automated scans to find and suggest fixes for code vulnerabilities across multiple programming languages.

Also known as mrge, Inc. · mrge

AI & Machine LearningCybersecurityDeveloper ToolsEnterprise SoftwareUnited KingdomEurope

Founders & leadership· Y Combinator alumni (X25)

cubic was founded in 2025 by Paul Sanglé-Ferrière.

PSPaul Sanglé-Ferrière
Paul Sanglé-FerrièreFounder & CEOPaul Sanglé-Ferrière is a three-time founder with prior experience as an ML engineer and product manager at Tessian.
AY
Allis Yao

Investors · 12

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

468 CapitalreportedBerlin

How we know: the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Batch Venturesreported

How we know: Y Combinator's founder network · Not right? Tell us

Blast.Clubreported$5.5M

How we know: Y Combinator's founder network · Not right? Tell us

Cherry VenturesreportedBerlin · $2.2M – $7.7M

How we know: Y Combinator's founder network · Not right? Tell us

Founder CapitalreportedSilicon Valley · $25K – $100K

How we know: Y Combinator's founder network · Not right? Tell us

Kima VenturesreportedParis · $50K – $5M

How we know: Y Combinator's founder network · Not right? Tell us

Liquid VenturesreportedSan Francisco · $250K – $5M

How we know: Y Combinator's founder network · Not right? Tell us

Peak XV PartnersreportedBengaluru · $100K – $10M

How we know: Y Combinator's founder network · Not right? Tell us

Peterson Venture PartnersreportedSalt Lake City · $5M – $25M

How we know: Y Combinator's founder network · Not right? Tell us

Vercelreported

How we know: Y Combinator's founder network · Not right? Tell us

Related companies · 10

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Wild MooseWild Moose builds an AI-powered on-call copilot that automates root cause analysis for production incidents, designed for engineering teams in fast-moving environments. The platform reduces investigation time and helps organizations resolve incidents faster while reducing the on-call burden on engineers.
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Aikido SecurityAikido provides integrations that deliver notifications from its security platform directly into team messaging applications.
CloudthreadCloudThread helps engineering teams optimize and manage cloud computing costs as a core operational metric. The company focuses on bringing visibility and efficiency to cloud infrastructure spending.
DataCampDataCamp is a learning platform for teams that teaches data and AI skills through hands-on coursework accessible via web browser and mobile app. It serves enterprise customers and development teams seeking to build technical capabilities.

Companies working in the same space as cubic.

Legal entities · 1

corporate structure
mrge, Inc.

Companies House · registry record

View on Companies House ↗
Has charges registered
Registered name
CUBIC LIMITED
Company number
02559978
Status
Dissolved
Company type
Private limited company
Incorporated
19 Nov 1990
Dissolved
28 Sept 2021
Registered office
4 Acre Road, Reading, RG2 0SX
Nature of business (SIC)
43390 — Other building completion and finishing62030 — Computer facilities management activities70229 — Management consultancy activities other than financial management81100 — Combined facilities support activities
Accounts
last made up to 31 Oct 2020

Current officers

  • Kathryn Wendy Lois Bowers — secretary, appointed 1 Nov 2019
  • Simon John Darvall — director, appointed 26 Aug 2016
  • Rachel Houghton — director, appointed 26 Aug 2016

Source: Companies House public register · retrieved 24 Jul 2026. Contains public sector information licensed under the Open Government Licence v3.0.

In the news

cubic – Cursor for code reviewycombinator.com · May 2025

Frequently asked questions

What does cubic do?
cubic is an AI-powered code review tool that integrates with GitHub and IDEs to catch bugs, enforce coding standards, and identify security issues. It learns from senior developers' patterns and runs automated scans to find and suggest fixes for code vulnerabilities across multiple programming languages.
Who founded cubic?
cubic was founded by Paul Sanglé-Ferrière in 2025.
Who are cubic's investors?
cubic's investors include Transpose Platform Management, Y Combinator, 468 Capital, Batch Ventures, Blast.Club, Cherry Ventures, Founder Capital, Kima Ventures and 4 more.
Where is cubic headquartered?
cubic is headquartered in London, GB.