Office for the Internal Market
Featured
17 July 2026Service
Review of the interaction between the Market Access Principles and Englands Air Quality (Domestic Solid Fuels Standards) Regulations 2020
Review of how the Market Access Principles (MAPs) affect the UK internal market for certain solid fuel products that fall within Defras Ready to Burn scheme.
[Review of the interaction between the Market Access Principles and Englands Air Quality (Domestic Solid Fuels Standards) Regulations 2020 within Office for the Internal Market (en)]
21 September 2021About
About us
The Office for the Internal Market (OIM) supports the effective operation of the UKs internal market, and provides expert and independent advice to the UK government and devolved governments.
[About the OIM]
21 September 2021Guidance
Report an issue with the UKs Internal Market
Use this service to report an issue with buying or selling goods or services between different parts of the UK, or difficulty using a professional qualification awarded in one part of the UK.
[Tell the OIM about an issue]
25 March 2026Research and analysis
Regulatory developments in the UK internal market
The Office for the Internal Market (OIM) has published an interactive dashboard showing potential regulatory differences in the UKs internal market that the OIM is tracking.
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Latest from the Office for the Internal Market
What we do
The Office for the Internal Market (OIM) supports the effective operation of the UKs internal market, and provides expert and independent advice to the UK government and devolved governments.
OIM is part of the Competition and Markets Authority.
Documents
Transparency and freedom of information releases
Our management
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Contact OIM
General enquiries
The Cabot
25 Cabot Square
London
E14 4QZ
United Kingdom
General enquiries
020 3738 6000
The Competition and Markets Authority (CMA) acts on behalf of the Office for the Internal Market (OIM).
Make a Freedom of Information (FOI) request
- Read about the Freedom of Information (FOI) Act and how to make a request.
- Check our previous releases to see if weve already answered your question.
- Make a new request by contacting us using the details below.
FOI requests
Competition and Markets Authority
The Cabot
25 Cabot Square
London
E14 4QZ
United Kingdom
The Competition and Markets Authority (CMA) acts on behalf of the Office for the Internal Market (OIM).