Revenues at the cosmetic skincare clinics operated by Irish 'Botox Queen', Dr Leah Totton soared past €1m last year.
The medical doctor claimed the BBC 'Apprentice' crown in 2013 with a plan to launch a 'Botox Empire' of cosmetic clinics. A native of Derry, Dr Totton's win resulted in Mr Sugar investing £250,000 in the business.
She is delivering on her promise of high profit margins with Dr Leah Ltd recording a 4pc increase in pre-tax profits to £252,153 (€295,725) in the 12 months to the end of June 30 last.
Revenues increased by 26.5pc going from £706,926 to £893,911 (€1.04m) on the back of Dr Totton opening up a second clinic in Essex last year.
Dr Totton (28) said yesterday that the business in the current year "is exceeding all financial targets and set for a record-breaking year of sales".
"A clinic in Ireland has always been a personal aim of mine," she said when asked if she had any plans to open up a clinic in the Republic or North.
The business has already gone way to pay back Mr Sugar's investment.
Dr Totton and Mr Sugar each hold a 50pc shareholding in the company and last year they shared a £100,000 (€117,000) dividend. This followed a dividend payout of £150,000 (€175,000) in fiscal 2015.
"It has been an excellent year of sales with very healthy profits, which saw us open our second clinic location in Essex and saw our flagship Dr Leah clinic win the national prize for best clinic in London," Dr Totton said.
She was "absolutely delighted with the growth and success of the business to date as demonstrated by how profitable we are as such a young company".
The company employs 17 staff and is actively hiring.
"Further expansion is planned over the next 18 months as we continue to scale the business," she said.
"Lord Sugar, through his investment and his ongoing input and mentorship of me personally, has been integral to the success of Dr Leah Ltd."
The directors' report attached to the accounts said the new financial year had started well and the company continued to grow in line with expectation.
The firm recorded gross profits of £718,610 (€841,000) as cost of sales totalled £175,301 (€205,000).