uk semiconductor designer arm said friday that it and softbank group corp have agreed that a usonly listing for arm in 2023 is the best path forward for the company the company said its decision follows engagement with the british government and the fca over several months new plans to increase the uk presence were announced with a new site in bristol and headcount growth arm also intends to maintain its headquarters operations and material ip in the uk arm also said it intends to consider a subsequent uk listing in due course the us ipo could value the company at as much as 30 billion or more some analysts and bankers estimate softbank said last year that it was pursuing a public listing of arm by march 2023 arm shares will most likely be listed on the techheavy nasdaq in the us because many of arms customers are based in silicon valley softbank chief executive masayoshi son said at the time