Japanese law firms have been expanding into London to capitalize on a wave of investment by U.K.- and Europe-based fintech and technology companies in Japan. 

Leading Japanese firms Anderson Mori & Tomotsune and Atsumi & Sakai have been targeting fintech and other technology-based companies based in London and continental Europe, assisting them as they seek to obtain business licenses to set up Japanese subsidiaries and helping them with related regulatory matters such as data protection and intellectual property, senior Japanese lawyers say.