(1)A director of a company must exercise independent judgment.
(2)This duty is not infringed by his acting—
(a)in accordance with an agreement duly entered into by the company that restricts the future exercise of discretion by its directors, or
(b)in a way authorised by the company's constitution.
Cases considering section 173 (56)
[2026] EWHC 1906 (Ch) · 24 July 2026
The court refused permission for the section 173 claim because it was not separately particularised and the evidence disclosed no prima facie failure to exercise independent judgment. (see paras [129]-[130])
[2026] EWHC 963 (KB) · 24 April 2026
Applies the duty to exercise independent judgment. Fowler’s personal interest in establishing and advancing AFML dictated his conduct while he remained a director, contrary to Lux’s interests (see paras [75]-[79]).
[2026] EWHC 77 (Ch) · 19 January 2026
The court treated the directors’ duties under section 173, together with sections 171, 172 and 174 to 177, as applying to the handling of the claimant SPVs and found breaches arising from improper payments and conflicts of interest (see paras [308]-[309]).
36 more judgments, and what each says about section 173, are in the
case-law panel in the full Act.
333.This duty codifies the current principle of law under which directors must exercise their powers independently, without subordinating their powers to the will of others, whether by delegation or otherwise (unless authorised by or under the constitution to do so).
334.The section provides that directors must not fetter the future exercise of their discretion unless they are acting:
in accordance with an agreement which has been duly entered into by the company; or
in a way authorised by the company’s constitution.
335.The duty does not confer a power on the directors to delegate, nor does it prevent a director from exercising a power to delegate conferred by the company’s constitution provided that its exercise is in accordance with the company’s constitution. Under the draft model articles of association for private companies limited by shares, the directors may delegate their functions in accordance with the articles.