The file, launched by the DMA in 2001, comprises 10m names compiled by contributions from the ReaD Group, Tri-Direct, Axciom, Royal Mail and Astron from confirmed gone-aways and postal terms.
The National Supression File is at the forefront of the DMA's activity to reduce wastage while maximising efficiency, consistent with its goals of developing the industry and improving consumer perceptions of direct marketing.
Prospect Swetenhams will use its software Architect and Orchestrator to create, manage and distribute the file to more than 50 licensees.
David Robottom, director of postal affairs and industry development at the DMA, said: "Prospect Swetenhams' proven track record in managing major database projects of this nature and its commitment to data quality and reducing mail wastage convinced us that it would fulfill the brief to the highest possible standard."
Prospect Swetenhams is the product of The Prospect Shop and Swetenhams, which merged in October 2003. The company offers UK and international list broking and management in business to consumer and business to business sectors.
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