Cross border will for client with domicile here but property in Massachusetts US

I have just been approached by a client with a complicated scenario. Property over here and in MA. Newly divorced from US husband with an agreement re split of US assets but awaiting sale of US property. Lives over here but will still be working in US part of the time. Came to me for simple Will here but during discussion the above came out. Completely outside my comfort zone!!
Does anyone have cross border specialism or can anyone recommend someone my client can instruct?

Caroline Brooks-Johnson
Inheritance Law

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