We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
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 .
What collective and certification trade marks are and when they apply.
Legally manufacture meters which are of the design originally approved and ensure they are verified to operate within the statutory limits.
How to get and maintain a CSO qualification, and what to do if you want to end your authorisation.
General announcements and latest decisions of the Certification Officer
Class and permitted use of passenger ships, cargo ships, tankers, tugs, tenders, fishing boats, yachts, commercial vessels, and the required certificates.
Guidance on the import requirements for businesses participating in the pilot, including guidance for certifying officers.
How the Certification Officer (CO) applies her powers to act without a complaint to conduct investigations into trade unions and employers’ associations.
Guidance for business and government departments.
Information on how to gain a UK CoC for working Deck and Engineering Officers working on board merchant vessels and yachts.
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. Please fill in this survey (opens in a new tab and requires JavaScript).