Yes, whenever a US or Canadian entity signs an agreement governed by English law without an address in England and Wales. Your registered agent in Delaware or Ontario covers domestic service only; English law documents need an agent here. North American lenders, funds and corporates are among our largest client groups.
Registered agent at home, process agent here
North American in house teams sometimes assume their state or provincial registered agent answers the clause. It does not: that is a domestic statutory role, while the English law agreement needs a contractual agent physically in this jurisdiction. The distinction is covered in depth in our process agent vs registered agent answer, and once seen it is obvious why the deal cannot close without the UK appointment.
Where the requirement reaches US and Canadian parties
Cross border lending into and out of North America, ISDA Master Agreements with London desks, syndicated facilities where a US fund participates, English law guarantees supporting UK subsidiaries, and trade agreements all carry the clause. Documentation teams in New York, Toronto and Chicago request our letters of appointment daily, and the five hour time difference works in your favour: instructions sent in your morning are usually confirmed the same UK working day.
Working with North American clients
We invoice in USD and CAD as standard, correspond directly with US and Canadian counsel, and issue same day letters for £150 where closings demand it, with the 2pm UK cut off falling at 9am Eastern. Appointment starts with the order form, and cover runs from £125 per year with no UK VAT for overseas clients.