Certification Officer
Featured
Collection
Complain about a trade union or employers’ association, or apply to the Certification Officer for a declaration
How to submit a complaint, report financial irregularity or whistleblow, and how the Certification Officer can respond.
Collection
The Certification Officer's lists
The Certification Officer’s lists of current and former trade unions, employers’ associations and their annual returns.
Collection
Certification Officer decisions
Certification Officer decisions made in response to complaints and applications.
Guidance
Apply to be on the official list of trade unions or employers’ associations
Certification Officer guidance on eligibility, the application process and application form CO1.
News story
Certification Officer: forthcoming hearings
Cases due to be heard by the Certification Officer.
News story
Certification Officer: Announcements
General announcements and latest decisions of the Certification Officer.
Latest from the Certification Officer
What we do
The Certification Officer (CO) and his team ensure that trade unions and employers’ associations carry out their statutory duties.
Certification Officer works with the Department for Business and Trade.
Documents
Transparency and freedom of information releases
Our management
Contact Certification Officer
General enquiries
11th Floor, 14 Westfield Avenue
London
E20 1HZ
United Kingdom
Telephone
0330 109 3602
The best way to contact us now and in the future is by email.
Post sent to our previous addresses is unlikely to reach us
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 we’ve already answered your question.
- Make a new request by contacting us using the details below.
Freedom of Information requests
Certification Officer 11th Floor, 11 Westfield Avenue
London
E20 1HZ
United Kingdom
Contact Method
The best way to contact us now and in the future is by email.
Corporate information
Read about the types of information we routinely publish in our Publication scheme. Our Personal information charter explains how we treat your personal information.