"William Massey wins praise as a leading practitioner for complex family matters." (Chambers UK 2025)
“William Massey's years of experience mean he has exceptionally good judgement of likely outcomes and appropriate tactics. Ideal strategist." (Chambers HNW 2024)
"William Massey is one of the best lawyers out there on the senior end." (Legal 500 2024)
"William is unflappable. He is able to negotiate and doesn't litigate for the sake of litigating. He really applies himself on a case by case basis." (Chambers HNW 2023)
"He has universal respect from the profession. Totally the calmest man in the world and nothing gets by him. He gets really good settlements quietly, which is important for high net worth clients." (Chambers HNW 2023)
"Will Massey combines his huge experience with a soothing bedside manner that gives clients total confidence." (Legal 500 2023)
"William Massey is an amazing head of department. He is one of the very finest divorce lawyers in London." (Legal 500 2023)
"William is a lovely lawyer. He is full of gravitas and good sense. He never argues a bad point and he fights hard for his clients" (Chambers UK 2023)
"He has a phenomenal calmness, is very holistic in his approach and his opinions really carry weight." (Chambers UK 2023)
Several sources praise William's calm demeanour, with one noting: "You couldn't find a lawyer much calmer than William; he's very thoughtful, considerate and measured in his approach." (Chambers HNW 2022)
"He is experienced in the field and is very focused on delivering a good service to his clients. He is detailed, focused and thorough in his analysis." "He has a top-flight intellect and isn't fazed by anything." "He is calm, thoughtful and very effective." Chambers UK 2022
"William Massey leads consummately from the front. Softly spoken, and urbane, he is one of the most charming doing the work. Behind this sits a formidable litigation talent and fine black letter lawyer. Clients love him and opponents know they have to be on their mettle." Legal 500 2022
"Tower of strength" William Massey heads the team that has an "exceptional range of lawyers from the most senior down to the most junior members of the team."
"William Massey and Alex Woolley are stand out. Calm, exceptionally bright as well as measured. I would recommend them to any client." Legal 500 2022
"A complete star: astute, incisive, creative and all-round excellent." Spear's
"Polished and accomplished.” Legal 500
"Faultless knowledge and expertise." Legal 500
"A highly effective litigator... incredibly reassuring, unflappable and calm under fire." Chambers UK
"Yet another class act at the practice.” Chambers UK
"William is an excellent lawyer: he is technically strong and has great client skills. He is a good negotiator and is pragmatic and sensible.” Citywealth
"Widely admired and very accomplished.” Chambers UK
"Calm and lovely with clients." Chambers UK
"Great to deal with, very approachable, knowledgeable and pragmatic." Chambers High Net Worth Guide
"Super lawyer. He is one of the nicest people in family law. He gets good clients as a result and he really knows what he is doing." Chambers High Net Worth Guide
"He also earns accolades for his ability to draw on expertise in tax, trusts and pensions when serving clients in family matters. William is described as ‘an able and urbane lawyer’ with whom ‘clients are in safe hands'." Chambers UK
