Certification Officer
- Official list of trade unions and their annual returns
- Official list of employers' associations and their annual returns
- Complain to the Certification Officer about a trade union or employers' association
- Apply to be on the official list of trade unions or employers’ associations
- Guidance issued by the Certification Officer
Featured
Certification Officer: Announcements
News story
General announcements and latest decisions of the Certification Officer
Certification Officer: forthcoming hearings
News story
Cases due to be heard by the Certification Officer.
Certification Officer decisions
Collection
Certification Officer (CO) decisions made in response to complaints and applications.
The Certification Officers Annual Reports.
Information from the Certification Officer on levy eligibility, how to pay and how the levy is calculated.
Latest from the Certification Officer
What we do
The Certification Officer (CO) and her 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 an 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.