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Millennium Bridge on Thames River

3CS Corporate Solicitors, based in London, is a full-service law firm in the heart of the City. Our main focus is on international companies based in the UK - from start-ups to global organisations. Our advice covers corporate and commercial law, dispute resolution, employment law, immigration law, property law and HR support.




We provide services and solutions to organisations of all sizes, from start-ups to global organisations.


We are proud to have worked with a large number of international companies including over 30 Fortune Global 500 organisations. 




The Transition Period ended on 31st December 2020 and therefore at least some of the current rules and regulations for how we do business with the EU have changed. 


The impacts of Brexit are wide and varied, and so it is simply not possible for us to include information here that will cover every scenario for every business. However, we have tried to put together in an easy-to-access format, some key information that should be useful to the majority of organisations. And of course, if you would like further assistance or specific advice on how your business may be affected, then please do not hesitate to contact one of our team. 

Practice Areas 


35 New Broad Street

T:  +44(0) 20 7194 8140


[Immigration] Home Office Compliance Audits

Following the easing of covid restrictions in England from the 19th of July, the Home Office has indicated that they will resume conducting compliance audits by visiting various offices and businesses as they see fit. These audit processes had been disrupted owing to the pandemic and the several lockdowns we experienced from early 2020 through to 2021. Therefore, it is now important to ensure that your company’s record-keeping processes are up to date and comply with the Home Office sponsor licence rules at all times.



[Employment] Flexible Working

While the private Mergers & Acquisitions market has remained strong despite the pandemic, COVID-19 has been affecting this sector in many different ways. Set out below are answers to questions we frequently hear from clients in the M&A market.

Now that staff are being asked to return to office-based working for all or some of the time, we are seeing an increasing number of clients faced with requests for flexible working, meaning a request to continue working from home.  How is an employer supposed to react to such a request?