Continuance of Business under Will

I am currently drafting a will for a client who is a director of a company along with his wife and parents.
There are no provisions within the articles of association which provide for the continuance of the business if he passes away however he would like to delegate powers to the Executor/Trustees to do this.

I have reviewed the STEP provisions 2nd edition however I am looking for further guidance of the best way to draft this.

Any help would be greatly appreciated.

Sarah Bourke.

Walker Solicitors