Employee duties and restrictions on competition

This overview outlines the Practice Notes in the subtopic 'Employee duties and restrictions on competition'.

All employees are under a duty of fidelity to their employer, which is also known as the duty of good faith, or of loyalty.

Fidelity is a broad concept containing a number of more specific duties, some of which overlap both with each other and with the duty of trust and confidence:

  1. to behave honestly

  2. not to work in competition

  3. not to make a secret profit

  4. to disclose information

  5. not to misuse confidential information

Some employees will also owe additional, more onerous duties as a result of their being a fiduciary, or being a fiduciary in respect of some part of their duties. These may include:

  1. a duty to act in the best interests of the employer, ie to act selflessly and with undivided loyalty, which in turn comprises:

    1. the duty to account for all property and profits made from the employee’s position as a fiduciary (the ‘no profits’ rule)

    2. the duty not to let their own interest and that

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Employment weekly highlights—5 June 2025

This edition of Employment weekly highlights includes: (1) an analysis of the recent immigration White Paper by Ben Maitland of Vanessa Ganguin Immigration Law, (2) an analysis of reforms to reduce discrimination in the Local Government Pension Scheme by David Gallagher and Daniel Fowler at Fieldfisher, (3) an EAT decision that a claimant’s aversion to wearing a mask lacked the necessary cogency, seriousness, and cohesion to qualify as a protected philosophical belief, (4) an ET decision that a teacher’s dismissal was not the result of her whistleblowing over the school’s policy on trans children, (5) an analysis of a Court of Appeal decision that UK gender recognition certificates do not allow gender to be recorded as non-binary by Harini Iyengar at 11KBW, (6) a report from the Institute for Public Policy Research on the challenges surrounding surveillance in the workplace, (7) the publication of the latest UK Stewardship Code by the Financial Reporting Council, (8) new guidance and legislation on amendments to non-disclosure agreements (NDAs) under the Victims and Prisoners Act 2024, (9) a successful appeal to the EAT against a ‘gisting order’ in an unfair dismissal claim amid national security concerns, (10) two new Practice Notes on providing toilet, washing and changing facilities in the workplace following the Supreme Court decision in For Women Scotland v Scottish Ministers, and on the right to disconnect produced in partnership with Rosie Moore and Simon Swaine of Lewis Silkin, (11) dates for your diary, and (12) other news items of interest to employment practitioners.

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