LibertyBus will continue running Jersey's bus service for the next decade.
The company - part of the Tower Transit Group - been awarded a new 10 year contract.
The government said, of the three shortlisted bids, LibertyBus offered the best value for money and range of service improvements.
The deal includes replacing older vehicles with 22 new ultra low emissions ones in the first year. The remainder of the fleet will be refurbished.
There is also a commitment to exceed the number of services and routes the tender required, to install ticketing machines at Liberation Station and to rollout faster ticketing on the bus fleet.
Constable Andy Jehan, Minister for Infrastructure, said: “This new contract reflects the Government’s commitment to improving public transport while supporting our carbon-neutral ambitions.
"We are pleased to continue our partnership with LibertyBus and look forward to seeing the positive impact of the new buses and service for Islanders.”

No inflatables at some beaches after multiple people blown out to sea
Emergency response to fire on Little Sark
Police called to 'potential weapon' incident at Grouville school
Government to step in to sort Rouge Bouillon's unsafe wall
Women to cycle Sri Lanka after recovering from bike accident
Reform Jersey to change party name
'Opportunities missed' to reduce risk of Jersey man taking his own life
Jersey’s Assisted Dying Law granted Royal Assent