CWU members work for Royal Mail, the Post Office, BT, O2, Sky, Accenture HR Services, EE, Virgin Media and other communication companies.

The ballot result was never announced due to legal challenges but following extensive negotiations CWU reached an agreed settlement on pay with BT.

On 24 February 2021, 170 BT Openreach employees commenced a total of three weeks strike action in opposition to the companies unagreed changes to their Terms & Conditions, along with proposals that could impact taxpayer expenditure for public funded projects.

CWU Deputy General Secretary, Andy Kerr commented that "the fact that management’s total intransigence on the issue has resulted in the first industrial action anywhere in BT Group for 22 years tells its own story."

Their job involved diverting and/or protecting BT cables during major building works, including local authority and government schemes.

It was agreed, and remains union policy that a ballot would be held to cease funds to the party if privatisation of postal services took place.

In July 2010 the union's National Executive Committee agreed to nominate and support Ed Balls MP for Labour leader in the 2010 leadership ballot.

In turn, Ed Balls MP supported the unions Keep The Post Public campaign in the summer of 2010 in opposition of the planned coalition government's intention to privatise Royal Mail.

Ultimately, like the banks and building societies, members’ savings are protected against business failure by the Financial Services Compensation Scheme.

[13] In 2016, it was awarded a large grant of £60,000 by the Lloyds Banking Group Credit Union Development Fund to strengthen its capital asset ratio.