Jonathan da CostaPartner

Jonathan da Costa


Jonathan da Costa is head of the Boys & Maughan Family Department, a member of the Law Society Family Law accreditation scheme and a Resolution Accredited Specialist. You can call Jonathan on 01843 269341.

There have been various reports and statistics about the impact that the pandemic has had on separating families. Most of them make disturbing reading but Jonathan has seen one positive trend, which is an increased interest in separating couples using the collaborative process. Click through to read Jonathan's comments on how the pandemic brought collaborative increasingly to the foreground

Jonathan was nominated for the John Cornwell Award in the spring of 2015. This highly prestigious national award recognises ‘unsung heroes’ who have gone the extra mile in their work and delivered lasting results for separating families through a non-confrontational approach.

In 2017 independent legal industry directory The Legal 500, said of Jonathan in its recommendation that he is “compassionate, intelligent and forward thinking”. The 2019 edition said, "Jonathan da Costa is a collaborative lawyer and exceptional advocate." The 2021 edition describes Jonathan as an "excellent lawyer".

In November 2016 Jonathan was recognised for being a leader in his field in the Kent section of Chambers and Partners legal directory, known for the depth and quality of its research. The directory wrote: “Jonathan Da Costa is particularly admired for his talent in collaborative law methods. He handles a broad range of matrimonial finance matters including those involving businesses, tax and pensions.” It added that sources say: "You know the client is in a safe pair of hands; he's an exceptional practitioner." Jonathan has been named amongst the recommended lawyers in Chambers every year, including the 2022 edition which praised Jonathan for being "incredibly empathetic as well as dealing with the technicalities flawlessly".

In 2014 the Law Society selected Jonathan for a national advertising campaign, highlighting our best practice approach to divorce and separation. Click on the link below to see the three minute film that was made about Jonathan and one of his clients using the collaborative process.

  • Advises in all aspects of marriage and relationship breakdown
  • Promotes a non-confrontational approach to family problems
  • Is a trained collaborative practitioner
  • Is also a litigator so can, if you wish, represent you in formal court proceedings
  • Will take time to understand your circumstances and explain how he can help you build for the future.

Jonathan has a particular specialism in financial issues and regularly advises higher net worth clients on their business interests, tax issues, investments, property and pensions in the context of divorce and separation which often involves working with a valuer, accountant or actuary.

Often legal advice is just one area where our clients need support so Jonathan is also a member of Around The Table, a united group of solicitors, mediators, independent financial advisers, accountants and counsellors dedicated to helping people resolve their family problems. You can also find a listing for Around The Table on the Resolution website.

Jonathan joined Boys & Maughan in 1990 and was admitted as a solicitor in 1998. He became a partner in 1999 and an equity partner in 2012.

Outside of the office and courtroom Jonathan enjoys spending time with his family and children.