> A contractor can choose to work as a LTD company or through an umbrella organisation depending on how much admin they want to take on and requirements of the client such as IR35.
IR35 is not a 'requirement of the client', it's HMRC's judgement of the relationship between contractor & client that matters.
IR35 is not a 'requirement of the client', it's HMRC's judgement of the relationship between contractor & client that matters.