The survey of 300 companies suggested 49% of procurement departments - 21% more than last year - are saving money by taking charge of their own corporate business travel during the recession.

Just one in three companies use a travel management company, down from 47% in 2008. Of those that do use a TMC, only 68% believe the service levels they receive warrant the management fees charged - a drop in satisfaction of 22% on last year, according to HRS.com.

Companies have enforced new cost-cutting measures to control travel spend. Some 40% only allow employees to fly economy and 72% only allow stays in standard hotel rooms. Just one in five trips now require an overnight stay.

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