Bosch has developed an extensive customer database over the last few years using a product registration programme.
Data from its power tools and lawn and garden product buyers, including Qualcast, which has a strong upmarket male bias, will be available.
In addition, the lists offer a range of transactional selections to help mailers refine their search.
Gary King, UK marketing manager for Bosch, said the company choose Caspian after a four-way pitch for "demonstrating real market knowledge and know-how".
Sue Dyer, direcor of Caspian LDM, said: "We're very pleased to be representing Bosch in the marketplace. The brand name is strongly associated with high quality and innovation and as such carries considerable cachet in the marketplace."
Caspian List & Data Management was launched in May last year as a sister company to Caspian Partnership. Caspian LDM specialises in the management of consumers and business data.
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