Retail consulting firm Karabus Management has bought Merton3, a US-based consultancy firm specialising in merchandise planning, allocation and assortment planning. 

Under the terms of the agreement all of Merton3's partners and consultants will join Karabus and the firm's clients will now become clients of Karabus Management.
 
"The acquisition of Merton3 is a strategic move to provide Karabus with significant depth in merchandise planning, allocation and assortment planning," said Antony Karabus, founder and CEO of Karabus Management.