Would you be willing to add a review of Sainsbury's Maidenhead Superstore Slough? Please add your Sainsbury's Maidenhead Superstore Slough review and help create a directory of recommended supermarkets in Slough. Is Sainsbury's Maidenhead Superstore Slough your business? Claim it now. After claiming a business, you will be able to update the details and add more tags and photos.