Overall UK sales rose from £621.5m in the first half of 2011 to £627.8m for the same period in 2012, a 1.6% increase. More than £60m of this amount is reported as new sales, with corporate client retention put at more than 97%.
Meeting and event sales volume, meanwhile, was up 54% to £14.56m in first half of 2012, compared to £9.4m last year.
Carlson Wagonlit Travel (CWT)'s global sales volume for the first half of 2012 was US$15bn (£9.7bn), a 1% increase compared to the same period in 2011. Transactions also rose 1% to 32.2m in the first six months of 2012.
Douglas Anderson, CWT president and chief executive, said: "Our first half performance for 2012 is solid given current economic uncertainty. Our customers are continuing to travel and are looking to manage their travel in a more cost-effective way by getting even greater value for what they spend."
Carlson Wagonlit UK achieved a turnover of £75.5m in 2011, compared to £74.1m in 2010. Gross profit meanwhile rose from £68.34m in 2010 to £71.8m in 2011. Gross sales for 2011 were £1.2bn.