SustainIQ
UK, GB · 1 known investors
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SustainIQ provides ESG reporting software designed to help companies measure, manage, and communicate their sustainability performance using a four-pillar methodology. The platform targets market leaders across the UK and Ireland seeking to integrate environmental, social, and governance data with the rigor of financial reporting.
Founders & leadership
LM

Liam McEvoyCo-FounderHe brings over 20 years of experience in sustainability and operations across waste management, construction, and manufacturing, with technical expertise in management systems including ISO 9001, ISO 14001, and OHSAS 18001.
MD

Maria DiffleyCo-FounderCo-founder of SustainIQ, an ESG reporting software platform. Based in Belfast, she works with companies across the UK and Ireland on sustainability and governance reporting.
Investors · 1
Companies House · registry record
View on Companies House ↗- Registered name
- SUSTAIN IQ LTD
- Company number
- NI648285
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 Sept 2017
- Registered office
- 55-59 Adelaide Street, Belfast, BT2 8FE
- Nature of business (SIC)
- 62020 — Information technology consultancy activities
- Accounts
- last made up to 31 Dec 2025 · next due 30 Sept 2027
- Confirmation statement
- last made up to 26 Sept 2025 · next due 10 Oct 2026
Current officers · 3
- John Finbar Convery — director, appointed 17 Dec 2020
- Maria Diffley — director, appointed 27 Sept 2017
- Liam Mcevoy — director, appointed 27 Sept 2017
Source: Companies House public register · retrieved 13 Sept 2026. Contains public sector information licensed under the Open Government Licence v3.0.
Frequently asked questions
- What does SustainIQ do?
- SustainIQ provides ESG reporting software designed to help companies measure, manage, and communicate their sustainability performance using a four-pillar methodology. The platform targets market leaders across the UK and Ireland seeking to integrate environmental, social, and governance data with the rigor of financial reporting.
- Who founded SustainIQ?
- SustainIQ was founded by Liam McEvoy, Maria Diffley.
- Who are SustainIQ's investors?
- SustainIQ's investors include Clarendon Fund Managers Ltd..
- Where is SustainIQ headquartered?
- SustainIQ is headquartered in UK, GB.

