Because you are operating as a S-corporation you are an employee of the corporation and the rules for employer contributions for employees applies. For 2019 the limit for contributions by the employer are stated in IRS Publication 560 as follows: "Contributions you make for 2019 to a common-law employee's SEP-IRA can't exceed the lesser of 25% of the employee's compensation or $56,000. Compensation generally doesn't include your contributions to the SEP. The SEP plan document will specify how the employer contribution is determined and how it will be allocated to participants." So if you were paid exactly $50k in 2019 the limit the employer may contribute for you is 25% x $50k = $12,500.