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
Register to vote Register by 18 June to vote in the General Election on 4 July.
The Certification Officer's list of current and former trade unions.
Select a union to view its annual returns, records of any official…
Introduction The below list comprises the names and annual returns of…
The home of Certification Officer on GOV.UK. The Certification Officer (CO) and her team ensure that trade unions and employers’ associations carry out their statutory duties.
Certification Officer (CO) guidance on eligibility, the application process and application form CO1.
General announcements and latest decisions of the Certification Officer
Annual returns for GMB, as submitted to the Certification Office from 2013.
Complaint form and guidance on who can complain to the Certification Officer (CO), what you can complain about and how to complain.
Annual returns for Unite the Union, as submitted to the Certification Office from 2013.
Annual return form AR21, ballots and industrial action spreadsheet, statement to members, notice to members and membership audit certificate (MAC).
Annual returns for UNISON: The Public Service Union, as submitted to the Certification Office.
Annual returns for Union of Shop Distributive and Allied Workers, as submitted to the Certification Office from 2013.
Cases due to be heard by the Certification Officer.
This document contains the decision made by the Certification Officer in this case.
Union of Shop Distributive and Allied Workers trade union: annual returns, rules, statement to members, decisions and other related documents.
GMB trade union: annual returns, rules, statement to members, decisions and other related documents.
Unite the Union trade union: annual returns, rules, statement to members, decisions and other related documents.
Bakers, Food and Allied Workers’ Union: annual returns, rules, statement to members, decisions and other related documents.
Certification Officer (CO) guidance for trade unions that want to prove that they are independent from employers.
The Certification Officer's list of current and former employers' associations.
Independent Workers Union of Great Britain trade union: annual returns, rules, statement to members, decisions and other related documents.
Annual returns for Independent Workers Union of Great Britain (IWGB), as submitted to the Certification Office.
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).