Keystone Law
Rankings
Awarded leading firm in UK 2026
Ranked Departments:
Ranked Individuals:
Overview
Provided by Keystone Law
Managing Partner: James Knight
Number of partners: 472
THE FIRM
Keystone Law is a pioneering platform law firm, driven by the belief that the traditional model needed to evolve. By designing a firm that puts clients first, we created something fundamentally different and dynamic, giving top-tier lawyers the freedom, tools and support to deliver an exceptional service.
Our unique structure allows experienced lawyers to work more flexibly and efficiently by using cutting-edge proprietary technology so they can focus on what really matters: their clients. By removing unnecessary overheads and bureaucracy, our lawyers can build closer, more collaborative relationships.
Keystone is home to over 450 experienced partners across 25 sectors and more than 50 areas of specialisms and our clients benefit from direct access to senior legal talent. From fast-growing start-ups to multinational corporations and high-net-worth individuals, our lawyers provide legal advice that’s commercially sharp, tailored to clients’ needs and grounded in genuine understanding to resolve matters quickly and efficiently.
Ranked Offices
Provided by Keystone Law
UK - Head office
Greater London
48 Chancery Lane , London, Greater London, UK, WC2A 1JF, London
UK
Bristol
St Brandon's House 29 Great George Street , Bristol, Bristol, UK, BS1 5QT, Bristol
Isle of Man
The Old Courthouse, Athol Street, Douglas, Isle of Man, UK, IM1 1JD, Douglas
Ranked Departments
Ranked Individuals
Articles, highlights and press releases
269 items provided by Keystone Law
What were some of the most significant banking litigation cases in 2025?
Finance disputes arise from commercial relationships between lenders and customers or suppliers, reflecting both the diversity of such relationships and the variety of different regulated persons and products in the financial services sector.
What to expect at each financial court hearing
If you and your spouse cannot agree on how assets should be divided, the court will guide you through a structured three-stage process. Each hearing has a specific purpose and helps narrow the issues until a fair financial settlement can be reached.
What can we learn from a law firm’s accidental data breach from a data subject access request?
A court ordered the return of files accidentally disclosed to a litigating party after a data subject access request (DSAR) gave too much in reply, including information about unconnected persons. The court then ordered erasure of the copies held and prohibition of future use by the recipient.
Should you disclose a trust to beneficiaries?
A settlor can settle a trust for many reasons and in doing so, they may decide not to inform the chosen beneficiaries of the existence of the trust.
Employment Rights Act 2025: key consultations in 2026
The Employment Rights Act 2025 (“ERA”) marks a significant overhaul of UK employment law, and much of its final shape will be determined by an extensive series of Government consultations throughout this year.
What should you consider before buying your first property?
Buying your first home can feel daunting. However, with the support of expert professionals, it doesn’t have to be. Below is a short guide to buying your first property and the key stages involved in the conveyancing process.
Digital Explainer – EU & UK changing expectations: what’s new in cybersecurity?
At its core, cybersecurity refers to measures and behaviours that protect the confidentiality and integrity of digital information, and access to the systems on which that information is held, used and shared. Read our overview on it and tips for risk understanding here.
Why do joint venture agreements go wrong?
Joint ventures remain one of the most widely used ways for UK businesses to expand without taking on the full financial and operational burden of an acquisition or merger.
Commonhold and Leasehold Reform Bill: the key details
On 27 January, the UK Government published a draft Commonhold and Leasehold Reform Bill intended to modernise residential property tenure, strengthen protections for homeowners, and transition away from the traditional leasehold system for flats.
How the courts divide finances fairly on divorce
When a marriage ends, dividing finances can feel daunting. Understanding how the law approaches financial settlements helps you make informed decisions and avoid unnecessary conflict.
What is the UK real estate industry doing about clean
Decarbonisation is often a polarising topic. There are many reasons why some decarbonisation policies do not work or why the effect of them is not obvious from a data perspective
Earn-out disputes in M&A deals: how can businesses protect their interests?
Earn-outs have become a familiar feature of UK mergers and acquisitions (M&A deals). They allow part of the purchase price to be deferred and tied to the future financial performance of the target company.
What is the appropriate SDLT to be paid in mixed-use dwellings?
In Raj Sehgal Varsha Sehgal v HMRC [2025] UKFTT 01439 (TC), the First-tier Tribunal (in a decision released in December 2025)
2026 trends for creative digital agencies: a commercial and legal perspective
Many of the trends shaping creative and digital agencies will feel familiar, but the difference this year is maturity and execution.
What to expect in employment law in 2026
2026 is shaping up to be one of the most significant years for UK employment law in a decade.
How the divorce process works in England & Wales
If you are divorcing and unsure where to start, understanding the legal process for divorce can help you plan the next steps with confidence. Divorce in England and Wales is now simpler and less confrontational than it used to be, but there are still key stages and practical considerations.
What to expect in employment law in 2026
2026 is shaping up to be one of the most significant years for UK employment law in a decade.
Failure to mediate – lessons from Grijns: when can you refuse to mediate?Failure to mediate – lesson
Grijns v Grijns & Ors concerns a sad tale of a family dispute over a multi-million-pound house in Chelsea, London. Whilst the facts of the case were unfortunate, there was a small upside in the lessons it offers on when to settle and how to do so.
Family arbitration: is it always completely private and confidential?
Family arbitration is increasingly used as a private alternative to court proceedings in family law disputes.
Copyright and AI remain in focus for 2026 with Getty appeal given the green light
On 16 December 2025, Mrs Justice Joanna Smith DBE granted permission for Getty Images to appeal her judgment in November 2024, which dismissed Getty’s copyright infringement claims against Stability AI.
What are the trends and challenges for UK hospitality in 2026?
By 2026, the UK hospitality sector will not be defined by a single trend, technology or asset class. Instead, success will depend on how effectively operators navigate sustained uncertainty while extracting value from every square metre, every data point, and every guest interaction.
Digital Explainer – What is Adequacy?
The EU has been a leader in the world when it comes to personal data regulation, and creation of individuals’ rights in data. As part of that, it has a policy to assess the adequacy of the laws of other jurisdictions to determine if they meet the EU standard.
What do the new EU Sustainability Reporting and Due Diligence laws mean for UK companies?
The European Union (EU) has now agreed the final version of its Sustainability Omnibus, an all-in one legal change mechanism, reshaping both the Corporate Sustainability Reporting regime (CSRD) and the Corporate Sustainability Due Diligence framework (CSDDD). The changes are substantial.
UKIPO to discontinue series trade mark applications
Series trade marks were first introduced in the UK under the Trade Marks Act 1938. They are a cost-effective way of obtaining registered trade mark protection for up to six variations of the same mark, for example the same logo in six different colour variations.
Do you have to honour a promotion or pay-rise promise made at a work event?
In the wake of Christmas party season, some businesses may be left dealing with the repercussions of promises made under the influence of alcohol at a Christmas party or festive event. Employment partner Sarah Garth considers if theses promises have any legal weight.
When to seek professional support as a separated parent
For separating parents, it is completely normal to feel overwhelmed, frustrated, or anxious during and after separation. Parenting apart is emotionally demanding.
Why your share buyback could backfire
Share buybacks are often viewed as a straightforward financial manoeuvre. A company uses surplus cash to repurchase its own shares, reducing the number available on the market.
Greenwashing risks: how sustainability claims can backfire for brands
Recent rulings by the UK’s Advertising Standards Authority (ASA) highlight the risks companies face when making vague or unsubstantiated environmental claims in their advertising.
Supporting your child through separation: how to talk, reassure, and help them adjust
One of the hardest parts of separation is explaining it to your child and supporting them through the changes that follow. Children often sense more than parents realise, and the way you communicate – calmly, honestly, and together where possible – shapes how secure they feel.
Digital Explainer – Will there ever be universal translation?
The imagination of story tellers have for many years conjured the idea that we might have a universal translator, and in the age of AI maybe it is possible, but it is not an easy thing to achieve.
What were some of the most significant banking litigation cases in 2025?
Finance disputes arise from commercial relationships between lenders and customers or suppliers, reflecting both the diversity of such relationships and the variety of different regulated persons and products in the financial services sector.
What to expect at each financial court hearing
If you and your spouse cannot agree on how assets should be divided, the court will guide you through a structured three-stage process. Each hearing has a specific purpose and helps narrow the issues until a fair financial settlement can be reached.
What can we learn from a law firm’s accidental data breach from a data subject access request?
A court ordered the return of files accidentally disclosed to a litigating party after a data subject access request (DSAR) gave too much in reply, including information about unconnected persons. The court then ordered erasure of the copies held and prohibition of future use by the recipient.
Should you disclose a trust to beneficiaries?
A settlor can settle a trust for many reasons and in doing so, they may decide not to inform the chosen beneficiaries of the existence of the trust.
Employment Rights Act 2025: key consultations in 2026
The Employment Rights Act 2025 (“ERA”) marks a significant overhaul of UK employment law, and much of its final shape will be determined by an extensive series of Government consultations throughout this year.
What should you consider before buying your first property?
Buying your first home can feel daunting. However, with the support of expert professionals, it doesn’t have to be. Below is a short guide to buying your first property and the key stages involved in the conveyancing process.
Digital Explainer – EU & UK changing expectations: what’s new in cybersecurity?
At its core, cybersecurity refers to measures and behaviours that protect the confidentiality and integrity of digital information, and access to the systems on which that information is held, used and shared. Read our overview on it and tips for risk understanding here.
Why do joint venture agreements go wrong?
Joint ventures remain one of the most widely used ways for UK businesses to expand without taking on the full financial and operational burden of an acquisition or merger.
Commonhold and Leasehold Reform Bill: the key details
On 27 January, the UK Government published a draft Commonhold and Leasehold Reform Bill intended to modernise residential property tenure, strengthen protections for homeowners, and transition away from the traditional leasehold system for flats.
How the courts divide finances fairly on divorce
When a marriage ends, dividing finances can feel daunting. Understanding how the law approaches financial settlements helps you make informed decisions and avoid unnecessary conflict.
What is the UK real estate industry doing about clean
Decarbonisation is often a polarising topic. There are many reasons why some decarbonisation policies do not work or why the effect of them is not obvious from a data perspective
Earn-out disputes in M&A deals: how can businesses protect their interests?
Earn-outs have become a familiar feature of UK mergers and acquisitions (M&A deals). They allow part of the purchase price to be deferred and tied to the future financial performance of the target company.
What is the appropriate SDLT to be paid in mixed-use dwellings?
In Raj Sehgal Varsha Sehgal v HMRC [2025] UKFTT 01439 (TC), the First-tier Tribunal (in a decision released in December 2025)
2026 trends for creative digital agencies: a commercial and legal perspective
Many of the trends shaping creative and digital agencies will feel familiar, but the difference this year is maturity and execution.
What to expect in employment law in 2026
2026 is shaping up to be one of the most significant years for UK employment law in a decade.
How the divorce process works in England & Wales
If you are divorcing and unsure where to start, understanding the legal process for divorce can help you plan the next steps with confidence. Divorce in England and Wales is now simpler and less confrontational than it used to be, but there are still key stages and practical considerations.
What to expect in employment law in 2026
2026 is shaping up to be one of the most significant years for UK employment law in a decade.
Failure to mediate – lessons from Grijns: when can you refuse to mediate?Failure to mediate – lesson
Grijns v Grijns & Ors concerns a sad tale of a family dispute over a multi-million-pound house in Chelsea, London. Whilst the facts of the case were unfortunate, there was a small upside in the lessons it offers on when to settle and how to do so.
Family arbitration: is it always completely private and confidential?
Family arbitration is increasingly used as a private alternative to court proceedings in family law disputes.
Copyright and AI remain in focus for 2026 with Getty appeal given the green light
On 16 December 2025, Mrs Justice Joanna Smith DBE granted permission for Getty Images to appeal her judgment in November 2024, which dismissed Getty’s copyright infringement claims against Stability AI.
What are the trends and challenges for UK hospitality in 2026?
By 2026, the UK hospitality sector will not be defined by a single trend, technology or asset class. Instead, success will depend on how effectively operators navigate sustained uncertainty while extracting value from every square metre, every data point, and every guest interaction.
Digital Explainer – What is Adequacy?
The EU has been a leader in the world when it comes to personal data regulation, and creation of individuals’ rights in data. As part of that, it has a policy to assess the adequacy of the laws of other jurisdictions to determine if they meet the EU standard.
What do the new EU Sustainability Reporting and Due Diligence laws mean for UK companies?
The European Union (EU) has now agreed the final version of its Sustainability Omnibus, an all-in one legal change mechanism, reshaping both the Corporate Sustainability Reporting regime (CSRD) and the Corporate Sustainability Due Diligence framework (CSDDD). The changes are substantial.
UKIPO to discontinue series trade mark applications
Series trade marks were first introduced in the UK under the Trade Marks Act 1938. They are a cost-effective way of obtaining registered trade mark protection for up to six variations of the same mark, for example the same logo in six different colour variations.
Do you have to honour a promotion or pay-rise promise made at a work event?
In the wake of Christmas party season, some businesses may be left dealing with the repercussions of promises made under the influence of alcohol at a Christmas party or festive event. Employment partner Sarah Garth considers if theses promises have any legal weight.
When to seek professional support as a separated parent
For separating parents, it is completely normal to feel overwhelmed, frustrated, or anxious during and after separation. Parenting apart is emotionally demanding.
Why your share buyback could backfire
Share buybacks are often viewed as a straightforward financial manoeuvre. A company uses surplus cash to repurchase its own shares, reducing the number available on the market.
Greenwashing risks: how sustainability claims can backfire for brands
Recent rulings by the UK’s Advertising Standards Authority (ASA) highlight the risks companies face when making vague or unsubstantiated environmental claims in their advertising.
Supporting your child through separation: how to talk, reassure, and help them adjust
One of the hardest parts of separation is explaining it to your child and supporting them through the changes that follow. Children often sense more than parents realise, and the way you communicate – calmly, honestly, and together where possible – shapes how secure they feel.
Digital Explainer – Will there ever be universal translation?
The imagination of story tellers have for many years conjured the idea that we might have a universal translator, and in the age of AI maybe it is possible, but it is not an easy thing to achieve.