NGM Tax Law

Business and Private Tax

Company History

NGM is a specialist law firm focusing on tax. The firm was founded in 2011 by three former tax partners at top City law firms who have 75 years of combined expertise. We work both directly with clients and with other professional advisers.

Why Choose Us?

Because what you see is what you get and the advice you receive from us will be provided only by senior and experienced practitioners. We are responsive and pragmatic, our fee structure is fair and transparent and, in suitable cases, we'll work on a fixed fee basis.

NGM Private

Over time we have come to recognise that there is an increasing demand for specialist tax advice by individuals and their families who want to protect their wealth. Tax affairs can be daunting and it pays to get the right advice. So in 2018, we launched NGM Private.



Mark has over 25 years of City law firm experience advising on all aspects of business and personal tax. Mark has long been ranked as a leading individual in the Legal 500 and is also now included in their Hall of Fame.


T: +44 20 7148 0383


Keith led the corporate tax practice of top City law firm CMS where he was a partner for 22 years. He has advised on all aspects of business and personal taxation. Keith is included in the Top 100: London Super Lawyers List.


T: +44 20 7148 0382


Simon worked in the City from 1988 to 2006 spending eight years at Slaughter and May and 10 years at CMS, where he was a tax partner. He specialises in all areas of business and personal taxation.


T: +44 20 7148 0381

Tax Advice Matters

Tax is what we know…Tax is what we do. Obtaining the right tax support is vital and avoids costly and time consuming disputes with HMRC. Our advice has benefited a wide range of corporate and private clients.

We will solve your tax issues, no matter how big or small. We’d much prefer to advise you from day one to ensure that the advice or structure is correct. But of course we are used to being called in at a later stage to sort out a problem and get things back on track.

Working With Other Advisers

We know that many firms no longer have fully resourced teams in every specialist department. It’s therefore no surprise that we frequently take instructions from other professional advisers seeking tax advice for their clients. We are able to solve complex tax problems for your clients.

By incorporating our expertise into your wider offering, you can expand your firm’s range of services.

No transaction is too big or too small. We can become an extension of your team as your trusted partner, not as an additional overhead.

NGM Private

Are you struggling to understand how to pass on your assets to your children in a tax efficient way? Do you have a complicated estate with properties abroad? Is the taxman after you? You’re in good company.

We recognise that there is increasing demand for expert tax advice by a wide range of individuals and their families trying to protect their wealth. That’s why we set up NGM Private in 2018.

Whether efficiently structuring your tax affairs or solving disputes with HMRC, tax is challenging. But exposure can be minimised with the right advice. Our extensive experience and expertise will deliver pragmatic solutions. We are welcoming and responsive and our fee structure is transparent and good value. In suitable cases we are happy to work on a fixed fee basis.

No hidden costs. No nasty surprises. Just really good, coherent, specialist tax advice. All this to give you peace of mind.

Fair and Transparent Fees

Cost matters to all of our clients. Whether offering tax assistance to fellow professional advisers, or directly to our corporate and private clients, fees are discussed and agreed up front. We often work on a fixed fee basis. Our flexible approach means that you don’t have to worry about fees getting out of control. To put it simply, you will receive high quality and clear specialist tax advice without having to worry about unexpected bills or opaque fee structures.

Get in Touch

We would like to hear from you. Please feel free to drop us a message and we will endeavour to get back to you as soon as possible.