An annual bonus of 5-10% of your yearly salary is standard in a lot of industries, just as a 5-10% annual raise is considered standard. However, if you work on commission, you may see a significantly higher percentage. Your industry, company revenue, location, and level also heavily inform what's expected.
Guaranteed bonuses\n\n Sometimes referred to as a 'golden handshake', this type of bonus provides certainty of a bonus regardless of the company or individual's performance. Provided the Employment contract is properly drafted, there should be no issues in receiving this bonus as an employee.