Imaj specialises in applying statistical techniques to customer and business data. The company works with telecommunications, financial services and media clients.
Greg Bradford, the chief executive of Caci, said: "This acquisition represents an important strategic step to expand our presence in the customer analytics market, an area where there are significant future opportunities."
Caci said the acquisition added skills in advanced customer analytics and complemented Caci's existing offering in this area.
Mark Sisson, the managing director of Imaj, said: "Integration with Caci is great news for Imaj. Being part of a large, financially strong business with an outstanding reputation in the market will enable us to continue developing our business while delivering exceptional client service."
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