Someone with experience in matters of business setup in Sharjah mainland would tell you that for certain activities like Construction and Defence, you would need a Local Partner who will own 51% of the company. The Local Partner can be a UAE national or another company based in the UAE. The Local Partner does not take home 51% of the profits from your company.
For more info please visit ; https://www.aaconsultancy.ae/dubai/business-setup-in-sharjah/