"18. We therefore went on to consider whether the respondents acted reasonably in treating that as a ground for dismissal under sub-section 3 of section 57 of the 1978 Act which requires us to take into account the size and administrative resources of the employer's undertaking and to consider the matter in accordance with equity and the substantial merits of the case. We judged that the respondents fell short of the standard to be expected of reasonable employers in the following respects.
"The Company recognises the following Trade Unions which are entitleded to represent their members' interests and with whom ISL will consult regularly and cooperate fully."