Between July 2021 and April 2022, payments totalling £73,000 were made by Dumitru in return for the contacts, the NHS Counter Fraud Authority said.
He pleaded guilty to the offence and will be sentenced at Wood Green Crown Court in September.
Ben Harrison, head of operations at NHS Counter Fraud Authority, said: “This outcome demonstrates that we have a strong approach and a dedicated team who protect vital resources and ensure that anyone who attempts to defraud the NHS is brought to justice.
“The offering or accepting of bribes to influence the awarding of NHS contracts is a criminal offence that undermines fair competition. The NHS Counter Fraud Authority does not tolerate any form of fraudulent or corrupt practices.
“We encourage anyone with suspicions of fraud against the NHS to report it through our confidential reporting channels.”
SSC Secure Transport Limited is registered in Electric Avenue, Enfield.