Would you be willing to add a review of Apex Engineering Services (Grimsby) Ltd. Doncaster? Contribute to the directory of recommended home security companies in Doncaster by submitting a Apex Engineering Services (Grimsby) Ltd. Doncaster review. Do you own the business - Apex Engineering Services (Grimsby) Ltd. Doncaster? If so, claim it today! If you claim a business, you will be able to choose a new business profile photo.