Indian IT services company HCL Technologies on Wednesday announced the acquisition of Strong-Bridge Envision (SBE), a US-headquartered digital transformation consulting firm, in a $45 million deal.

"With this acquisition, SBE will become part of HCL's global Digital and Analytics business," HCL Technologies said in a statement.

The size of the buyout is $45 million, which includes $42 million upfront and $3 million potential earn-out linked to target achievements, HCL Tech said in a regulatory filing.

Strong-Bridge Envision is a digital consulting firm specialising in customer experience strategy, business transformation, and change management.

"Serving Fortune 1,000 clients since its founding, Strong-Bridge Consulting merged with Envision in 2017 to extend its consultancy and digital transformation capabilities and further establish its footprint across North America...," it said.

The acquisition is expected to be completed by April 2019.