Fundraising Fox

Nossa Data

Techstars '21

London, GB · Founded 2020 · 10 employees on LinkedIn · 3 known investors

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.

IDIrina Dumitrescu
Irina DumitrescuinFounder
JF
Julianne FlesherinFounder

Investors · 3

Competitors · 10

by search overlap
Greenly93 shared keywordsGreenly provides an AI-based platform for carbon accounting, greenhouse gas assessment, product life-cycle analysis (LCA), and ESG compliance reporting. It serves companies from SMEs to large enterprises looking to measure, report, and reduce their carbon footprint and meet climate regulations.
Netezza81 shared keywordsIBM is a global technology company whose business spans enterprise software (including Red Hat, HashiCorp, and Confluent), IT infrastructure such as mainframes, servers, and storage, and IT consulting services. The company is also investing heavily in quantum computing and AI-based enterprise offerings, including its Lightwell open-source software security clearinghouse and the Anderon quantum wafer foundry.
Apiday78 shared keywordsApiday provides an ESG and sustainability reporting platform that automates compliance with major ESG frameworks for investors and companies in private markets. It helps users manage regulatory reporting obligations and track sustainability performance.
Sweep73 shared keywordsSweep builds software that helps large companies and financial institutions manage sustainability and non-financial (ESG) data, track carbon across value chains, and comply with climate disclosure regulations. The company serves enterprises and financial institutions globally.
Greenplaces56 shared keywordsGreenplaces provides a platform that simplifies sustainability reporting for vendors, enabling them to meet compliance requirements, build customer trust, and demonstrate their sustainability practices across supply chains.
Persefoni54 shared keywordsPersefoni provides carbon accounting and climate training tools for portfolio company engagement. The platform offers technical support through Persefoni Copilot and educational resources via Persefoni Academy, both included in its Pro subscription for suppliers and portfolio companies.
Breathe ESG44 shared keywordsBreathe ESG provides a software platform that helps organizations manage environmental, social, and governance (ESG) reporting and Net Zero target setting. The platform simplifies ESG compliance and greenhouse gas calculations across key sustainability standards.
Worldfavor44 shared keywordsWorldfavor provides AI-powered supplier risk management and ESG compliance software for enterprises and SMEs across 110+ countries, helping them detect supply chain risks and ensure regulatory compliance at scale.
Se43 shared keywordsSchneider Electric provides energy management and industrial automation products, software, and advisory services to help industries, businesses, and homes electrify, automate, and digitalize their operations for greater efficiency and sustainability. It serves sectors such as aviation, manufacturing, and healthcare with monitoring software, DCIM, and energy management technologies.
APLANET40 shared keywordsAPLANET provides an ESG data management and analysis platform that helps companies organize, measure, and report on environmental, social, and governance metrics. The software connects organizations' value chains to sustainability goals and enables data-driven decision-making for profitable business transformation.

Companies 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.