Eurostar, the high speed train service from London to Paris and Brussels, said sales in 2005 rose by 7% compared to 2004 to a record £464m
During the year it carried 7.5m passengers, also a record. This was an increase of 2.4% on 2004 while the number of business travellers rose by 14%.
The year also saw the train operator enjoy its highest ever market share of 71% on the Paris route and 64% on the Brussels route.
It claimed Eurostar was now the "carrier of choice for business travellers, resulting in some airlines removing their business-class products on short-haul European routes."
Eurostar introduced carriages exclusively for business travellers wishing to work in September.
The new Business Premier class also included a ten-minute fast track check-in and lounge access.
Extra Business Premier coaches were added to some trains in November after the train company described the new service as a “huge success.”
It plans to run a 10th daily service to Brussels from next month to meet growing demand.
Richard Brown, Eurostar's ceo, said: "Our focus on business travellers is paying off. We're delivering the full premier service they need in order to be prepared for the business day ahead.
"As some airlines cut out their business-class cabins, they're also cutting out their customers.
"As demand for Eurostar grows, we'll continue to add more services."
The train operator said more than 40% of tickets were sold through agents while 30% were bought on Eurostar's website.
Eurostar is due to move into its new terminal at London St. Pancras next year when the last part of the high speed track into the capital is completed. This will knock about a further 20 minutes off both the journey times to Brussels and Paris.