Promotional products producer 4imprint made its mark on Wednesday after an upbeat trading update.Providing a glimpse of its forthcoming results for 2011, the company said group revenue last year was 10% up on 2010 levels at £222m and, but for currency fluctuations, the increase would have been 13%.Revenue in the group's largest division, 4imprint Direct Marketing, has continued its trend of strong organic growth, 4imprint said. Unaudited North American revenue for 2011 was $224m, 18% ahead of 2010, while fourth quarter revenue was 19% ahead of 2010.Unaudited total division revenue forr 4imprint Direct Marketing was £146m, 13% ahead of 2010, with an average US dollar exchange rate of $1.60 (2010: $1.55).The Brand Addition unit's unaudited total revenue for 2011 was £65m, 10% ahead of 2010, but the SPS unit's revenue fell 13% from 2010's level to £14m.The group said it had a positive net cash position at the end of 2011.The shares were trading 24p up on the day at 264p on the afternoon of the trading update. jh