Business Link Yorkshire is putting together an advertising and marketing services framework.
The number of consultancies expected to be on the £5m roster could be as many as 35.
The initial appointment period will be from 1 May this year to 31 March 2010, although a rolling 12-month appointment period is planned after that.
The services will include literature and stationery, promotional and branded materials, design creative, print buying and above- and below-the-line marketing campaigns, as well as online and digital channels.
The deadline for entries is 10 April. For more information, visit www.ted.europa.eu, reference number 58525-2009.