sole trader
sole owner

She is still the sole owner of the company and its working chairman.

Next, you buy a life insurance policy and make the trust its sole owner.

He became the sole owner of the company in 1915.

He became its sole owner when his brother, Peter, died in 1972.

The two were the sole owners for about a year.

He became partner, and later sole owner of the company.

They are still the sole owners of the company, which now has 20 employees.

He later became the sole owner and chief executive officer.

He became the first sole owner of a professional American football team, in 1898.

They have been the sole owners since it was built for them 37 years ago.