Nous was founded by Greg Marsh.

Who are Nous's investors?

Nous's investors include Joyance Partners, Mosaic Ventures, CDP Venture Capital, Robot Ventures, Union Square Ventures (USV).

Where is Nous headquartered?

Nous is headquartered in London, GB.

Nous

London, GB · 8 known investors

Find your way into Nous

Each arrow is one introduction. Sign up to fill in the first one.

1,075 people can intro you to Greg

Ask Thibault Vanvincq to introduce you to Greg Marsh

You →Thibault · together at Nous →Greg

Your email: who you already know at Nous, and who your contacts know
2nd- and 3rd-degree connections: people you know who worked, studied or invested with the Nous team
Your LinkedIn: the connections who can make the intro for you

We rank every route by how warm it is, so you raise on warm intros instead of cold emails.

Nous helps households manage and reduce their household bills including energy, broadband, mobile, and insurance by finding better rates and handling switching on their behalf. The service saves UK households time and money while freeing them from administrative burden.

AI & Machine Learning Consumer Fintech SaaS

Founders & leadership

Greg Marsh FounderGreg Marsh founded the luxury accommodation marketplace onefinestay and worked at Index Ventures. He now leads Nous, a service that helps households optimize their utility and insurance bills. He has served as a board member for organizations including Amnesty International and has taught entrepreneurship at Imperial College and Harvard Business School.

Investors · 8

Joyance Partnerslisted by Joyance PartnersBerlin

Mosaic Ventureslisted by Mosaic VenturesLondon · $1M – $10M

How we know: Mosaic Ventures's portfolio page · a partner's Signal profile · the VCSheet dataset · Not right? Tell us

CDP Venture CapitalreportedRoma

How we know: tech.eu · Not right? Tell us

Robot VenturesreportedBeaverton · $100K – $1M

How we know: funding news feeds · Not right? Tell us

Union Square Ventures (USV)reportedNew York · $1M – $8M

How we know: funding news feeds · Not right? Tell us

Also in the syndicate · 3

Accelera Venturesdsm-firmenich VenturesleadFoodSeed

Funding

SEC filings, press & company announcements

Undisclosed amountseed funding roundJul 2026
dsm-firmenich Ventures (lead), Accelera Ventures, CDP Venture Capital, FoodSeed
Source ↗

Source: company announcements and press reports — follow each round's link for the claim.

Related companies · 2

Nous ResearchNous Research develops and trains open source language models and builds infrastructure for distributed AI training. The company advances open source AI capabilities through research in model architecture, data synthesis, fine-tuning, and reasoning.

OpenRouterOpenRouter operates an AI gateway that allows developers to access and compare hundreds of language models from multiple providers in a single platform. The service eliminates vendor lock-in while offering improved pricing, uptime, and reliability for companies and developers.

Companies working in the same space as Nous.

Companies House · registry record

View on Companies House ↗

Registered name: NOUS LIMITED
Company number: 03342212
Status: Active
Company type: Private limited company
Incorporated: 1 Apr 1997
Registered office: Lawrence House, James Nicolson Link, York, YO30 4WG
Nature of business (SIC): 62090 — Other information technology service activities
Accounts: last made up to 30 Apr 2025 · next due 31 Jan 2027
Confirmation statement: last made up to 21 Mar 2026 · next due 4 Apr 2027

Current officers · 2

Catherine Took — secretary, appointed 1 Apr 1997
Roger Kenton Took — director, appointed 1 Apr 1997

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

Frequently asked questions

What does Nous do?: Nous helps households manage and reduce their household bills including energy, broadband, mobile, and insurance by finding better rates and handling switching on their behalf. The service saves UK households time and money while freeing them from administrative burden.
Who founded Nous?: Nous was founded by Greg Marsh.
Who are Nous's investors?: Nous's investors include Joyance Partners, Mosaic Ventures, CDP Venture Capital, Robot Ventures, Union Square Ventures (USV).
Where is Nous headquartered?: Nous is headquartered in London, GB.