June 20 (Reuters) - Retail marketing firm Neptune Retail Solutions will acquire Coupons.com-parent Quotient Technology (QUOT.N) for $430 million in cash, the companies said on Tuesday. Quotient's shares jumped about 17% in the early session and were trading 9 cents shy of the $4 offer price. Its clients include some of the world's biggest consumer companies such as Kellogg's (K.N) and Coca-Cola (KO.N). Private investment firm Charlesbank Capital Partners, which is a major shareholder of Neptune, will be the majority investor in the combined company. Houlihan Lokey is serving as a financial adviser to Quotient, while PJT Partners is advising Neptune.

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Persons: Quotient's, William Redmond, Houlihan Lokey, Samrhitha, Anil D'Silva Organizations: Retail, Neptune Retail, Reuters, Charlesbank Capital Partners, PJT Partners, Neptune, Thomson Locations: U.S, Bengaluru