Updated to take account of the General Data Protection Regulation, in force from 25 May 2018.
Fashion retailer Next is facing an equal pay claim from more than 300 shop floor staff, which could total £30m.
Leigh Day has represented thousands of workers in employment claims they might not otherwise have been able to fight. But how does it balance the risks of doing this with no guarantee of reward?
Hundreds of BBC staff, including stars such as Mariella Frostrup, Victoria Derbyshire and Rev Richard Coles, have written to the corporation demanding "full pay transparency".
Supermarket giant Tesco is facing what could be the largest equal pay challenge in UK history after law firm Leigh Day announced legal proceedings against the company.
Carrie Gracie, the BBC's former China editor, has told a group of MPs that the broadcaster belittled women to justify paying them less than men and needed help to close its gender pay gap.
The BBC plans to close the gender pay gap among its presenters and have women in half of its on-air roles by 2020, after a pay review found a 6.8% pay gap.
EasyJet's new chief executive is to take a pay cut to set his salary at the same level of that of his female predecessor, Carolyn McCall.
Consultant editor Darren Newman looks at amendments to "cut red tape" made to the Equality Act by the previous coalition Government - which, in light of the harassment and inequality issues now being exposed on a regular basis, seem particularly ill advised and outdated.
Employers should urgently consider equal pay analysis, a lawyer has said, following the departure of the BBC's China editor, who claimed she was paid at least 50% less than her male colleagues.
HR and legal information and guidance relating to equal pay.