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William Marriott

Partner

William advises private clients in relation to the disposal and acquisition of residential property, with a particular focus on country and heritage property.

william-marriott

About

William is the Joint Divisional Managing Partner of the Firm’s Private Client Division, which includes the International Private Client, UK Private Client, Family and Private Property groups. He heads the Firm’s Private Property group

His practice specialises in the acquisition and disposal of country houses and residential property. William leads a dynamic team across the UK, providing a wealth of experience and depth of service tailored to each client’s requirements.

He is known for his communication skills, personal service, and ability to progress matters in an efficient, professional, and commercial manner. 

William is ranked in Band 1 in the Chambers High Net Worth 2025. Market commentary includes “William is my number one choice for residential representation at the top end of the market”. He is also recommended in the Citywealth Leaders List as a leading private client professional who has "developed a strong reputation…as a leading country house lawyer”, and is “known for his ability to act fast and provide commercial advice when it matters most".  

William is admitted to practise in England and Wales.

Experience

  • Acting for clients on the acquisition and disposal of private and investment property in England with a particular focus on country house and mixed use property
  • Acquisition of a Grade I listed heritage building described as ‘one of England's great country houses’
  • Acquisitions and disposals of property on private estates, including those at Wentworth and St George’s Hill
  • Advising UK, EU and Middle Eastern private banks in relation to their security, and assisting their private clients with property transactions
  • Refinancing of individual properties and investment property portfolios

Recognition

  • william marriott
  • CHNW-2024-William-Marriott
  • marriott-william
  • william marriott
  • Spears Index - Property Advisors 2022
  • Spears 500_2022_Ribbon
  • William Marriott - Chambers HNW 2021

Our thinking

  • Was it Panglossian or Painful? A year after the US and UK elections

    Jeffrey Lee

    Events

  • Autumn Budget: impact on the prime and super prime property market

    Hannah Catt

    Quick Reads

  • Spear’s quotes William Marriott and Hannah Catt on the implications of a ‘mansion tax’ for properties exceeding £2 million announced in the UK Autumn Budget

    William Marriott

    In The Press

  • Gen Z: Inheritance and investments

    William Marriott

    Insights

  • Gen Z and milestone planning

    William Marriott

    Insights

  • Gen Z: Parental influence and navigating strings attached finance

    William Marriott

    Insights

  • Charles Russell Speechlys celebrates expanded recognition in Chambers High Net Worth Guide 2025

    Piers Master

    News

  • Charles Russell Speechlys announces new Dual Private Client Managing Partner roles

    Simon Ridpath

    News

  • Structuring the bank of mum and dad

    William Marriott

    Insights

  • FT Adviser reports on our Gen Z survey and quotes William Marriott and Sally Ashford on the financial behaviours of this cohort

    William Marriott

    In The Press

  • William Marriott and Sophie Clark write for EG Magazine on structuring the bank of mum and dad and family trusts

    William Marriott

    In The Press

  • Charles Russell Speechlys finds that Gen Z prioritises financial planning and saving amidst growing economic challenges

    Sally Ashford

    News

  • Charles Russell Speechlys finds that over half of Gen Z say the Bank of Mum and Dad comes with strings attached

    Sally Ashford

    News

  • The Times quotes William Marriott and Lauren Fraser on the impact of Land Registry on property transactions

    William Marriott

    In The Press

  • Budget puts the squeeze on additional property purchases

    William Marriott

    Quick Reads

  • Housing Today and Building Magazine quote William Marriott on what the UK Budget could mean for the property market

    William Marriott

    In The Press

  • How the abolition of Multiple Dwellings Relief affects Build to Rent

    William Marriott

    Quick Reads

  • Home buyers and sellers hit by cyber-attack

    William Marriott

    Quick Reads

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