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Trustees and trust companies

As trusted advisers to trustees and trust companies, we deliver commercially focused, technically rigorous legal expertise across complex governance and restructuring matters, asset protection, tax and risk management, enabling confident decision-making globally.

We advise UK and international trust companies, corporate trustees and fiduciaries on the legal, tax and practical issues affecting trust structures. 

Our expertise helps trustees to manage risk, maintain compliance and make effective strategic decisions on succession and wealth planning, particularly in cross-border environments to ensure the safe stewardship of assets and the smooth day-to-day operation of trusts. 

Our teams in private client, corporate, built environment, family, and dispute resolution work together to provide bespoke solutions designed to fit your specific needs.

How we can help

Our specialist trust solicitors can help you navigate the multiple areas of complexity you face.

A well-administered and actively managed trust can be a flexible and protective planning tool, capable of meeting a wide range of family, commercial and succession objectives.

Cross-border trust advice 

We provide specialist advice on:

  • UK tax exposure of offshore trusts and companies
  • Trusts holding UK assets, including property and trading businesses
  • Interaction with UK-resident settlors and beneficiaries
  • Double tax treaty considerations
  • Structuring and restructuring of international trust arrangements 

Trust company advisory services 

We support trustees across full trust portfolios, including: 

  • Ongoing management of complex trust structures
  • Advice on trustee duties and decision-making
  • Risk management and governance
  • Interaction with beneficiaries and advisers
  • Transfer of trust business between providers 

Contentious and risk matters 

We also support trustees where disputes arise or are foreseen, including:

  • Disputes between beneficiaries
  • Allegations of breach of trust
  • Court blessing applications
  • Claims for removal of trustees/ fiduciaries
  • Mediation and settlement strategies

Restructuring and wind-up 

We regularly assist trustees with:

  • Reviewing and modernising historic structures
  • Responding to legislative or tax changes
  • Implementing restructuring strategies
  • Advising on orderly wind-up of trusts and underlying entities 

Trust administration services

We also provide day to day support and compliance to trusts through our trust administration services.  

Our experience

Some examples of our recent work include:

  • Advising a Jersey corporate trustee on UK tax exposure and restructuring options for a trust with UK trading companies
  • Supporting an Isle of Man trust company on the wind-up of a multi-jurisdictional trust structure
  • Working with international trust providers supporting entrepreneurs following major liquidity events
  • Advising on UK tax implications of complex holding structures and family wealth arrangements
  • Assisting a Jersey Trust company with capacity matters threatening to undermine the operation of the structure
  • Acting for a Trust Corporation in applying to court for the blessing of a momentous decision on how best to dispose of trust property where beneficiaries took opposing views

Specialist advice, seamlessly connected

Trust structures often span multiple sectors and services. By co-ordinating teams across these areas, we provide trustees with a joined-up view of risk, structure and long-term strategy.

Built environment

Trust structures frequently involve significant property interests, such as UK portfolios, landed estates, or development land. Our built environment and real estate teams help trustees manage, restructure and optimise these assets, ensuring compliance and maximising value.

Corporate

Many trusts include underlying companies or business assets. Our corporate law specialists advise on governance, restructuring, and transactions, supporting trustees and business owners with effective planning and risk management.

Family

Family dynamics can have a significant impact on trusts and wealth structures. We provide specialist advice on divorce and family trusts, financial settlements, and wealth protection strategies, helping families safeguard assets and manage change with confidence.

International private wealth disputes

Cross-border trusts and estates can give rise to complex disputes involving multiple jurisdictions, assets and stakeholders. Our highly regarded, market leading estate, trust and will disputes team assists with resolving conflicts between trustees, executors or beneficiaries arising during the lifetime or on the death of a key stakeholder.

Tax, structuring and risk management

Effective tax planning and risk management are essential for trustees and wealth structures. Our team advises on UK and international tax exposure, structuring across trusts and companies, insurance solutions, and ongoing compliance to safeguard assets and meet regulatory requirements.

What our clients say about us

  • Mills & Reeve handle our most complicated trusts with confidence and clarity.
    Chambers HNW 2026
  • Mills & Reeve is exceptional when it comes to understanding trusts and advising clients accordingly. With this team, communication is always excellent and expectations are managed accordingly.
    Chambers HNW 2025
  • Mills & Reeve is really efficient in their use of resources. I rate them on complex matters too, especially technical issues and urgent matters. The team is top of the game.
    Chambers UK

Who do our trust lawyers work with?

We build long-term relationships with trustees and fiduciaries across a variety of jurisdictions, including:

  • Offshore trust companies (such as Jersey, Guernsey, Isle of Man, Cayman, Switzerland, BVI and beyond)
  • UK corporate trustees
  • Trust and company service providers (TCSPs)
  • Family offices and fiduciaries managing international wealth structures 

For individuals, families and trustees, our private client team provides expert support with trust planning, administration and ongoing compliance.

Why choose Mills & Reeve? 

Our market leading team of advisers will tailor the approach to fit what you need. 

The level of support required will depend on the complexity of the trust, its purpose and the wider professional team already in place. We offer:

  • Deep sector and technical expertise in UK trust law and taxation
  • Strong experience with international trust structures
  • Ability to provide joined-up legal, tax and strategic advice
  • Practical and commercially focused approach

Get in touch

Our team of legal experts are here to support you. Contact one of our lawyers today.

Meet the team