Reasons for dismissal ― capability

Dismissal for incompetence (otherwise known as poor performance) is a potentially fair reason for dismissal. As long as the employer has acted reasonably in reaching the decision to dismiss, a tribunal will not interfere with that decision even if they themselves would have reached a different conclusion. The test applied in deciding whether or not a dismissal was fair will be whether the employer genuinely believed, on reasonable grounds, that the employee was incompetent to do his job.

However, the employer will usually be expected to provide evidence that they:

• •had adequate evidence of incompetence at the time of the decision to dismiss
• •adopted a fair procedure prior to its decision
• •considered whether there was suitable alternative work for the employee to do

Evidence of incompetence may come in a number of forms. In some jobs, there may be a clear and objective method of assessing competence, such as productivity rate or number of faulty items produced on a production line. Other forms of evidence may include formal appraisals, the views of the employee’s supervisors and / or colleagues, customer complaints and / or complaints by colleagues about the employee’s work performance.

Before deciding to dismiss for incompetence, an employer should generally follow a procedure, ideally agreed with but at least notified to his employees. In any event the procedure must follow the Acas Code of Practice on Disciplinary and Grievance Procedures. See the Discipline and grievance procedures ― general requirements and Acas disciplinary and grievance code guidance notes.

A failure to involve employees or, where appropriate, their representatives in the development of the procedure may constitute a breach of the Acas Code of Practice, which the employer would then have to justify. The procedure would