Nossa Data
Techstars '21London, GB · Founded 2020 · 10 employees on LinkedIn · 4 known investors
Find your way into Nossa Data
1,116 people in our graph share verified history with the Nossa Data team — schools, employers, funds. One of them is your warm intro.
Nossa Data builds software with AI to help companies gather and report environmental, social, and governance (ESG) information. The platform serves companies of all sizes that need to track and report ESG performance to investors, regulators, and employees.
Founders & leadership
Nossa Data was founded in 2020 by Irina Dumitrescu and Julianne Flesher.


Investors · 4
Also in the syndicate · 1
Funding
SEC filings, press & company announcements- Undisclosed amountSeedMay 2022 · 2 sources
BGF (lead), Symvan Capital (lead), SFC Capital, Techstars
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Competitors · 10
by search overlapCompanies competing with Nossa Data for the same Google search keywords, organic and paid, via search-intersection analysis.
Companies House · registry record
View on Companies House ↗- Registered name
- NOSSA DATA LTD
- Company number
- 12651742
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 Jun 2020
- Registered office
- 167-169 Great Portland Street, 5th Floor, London, W1W 5PF
- Nature of business (SIC)
- 62090 — Other information technology service activities
- Accounts
- last made up to 31 Dec 2025 · next due 30 Sept 2027
- Confirmation statement
- last made up to 2 Jul 2026 · next due 16 Jul 2027
Current officers · 3
- Irina Iuliana Dumitrescu — director, appointed 8 Jun 2020
- Julianne Sloane Flesher — director, appointed 8 Jun 2020
- Symvan Capital Limited — corporate director, appointed 5 Apr 2022
Source: Companies House public register · retrieved 24 Jul 2026. Contains public sector information licensed under the Open Government Licence v3.0.
In the news
Frequently asked questions
- What does Nossa Data do?
- Nossa Data builds software with AI to help companies gather and report environmental, social, and governance (ESG) information. The platform serves companies of all sizes that need to track and report ESG performance to investors, regulators, and employees.
- Who founded Nossa Data?
- Nossa Data was founded by Irina Dumitrescu, Julianne Flesher in 2020.
- Who are Nossa Data's investors?
- Nossa Data's investors include Techstars, SFC Capital, Symvan Capital.
- Where is Nossa Data headquartered?
- Nossa Data is headquartered in London, GB.










