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Mark Summers

Partner

Mark advises on matters of cross border taxation and international estate planning.

mark-summers

À propos

Mark advises global wealthy families, their businesses and wealth holding structures, and the institutions that service them. He is most noted advising families resident or investing in multiple highly taxed and regulated jurisdictions such as the US or EU where they are affected by complex multi-jurisdictional tax and legal issues. Mark’s practice includes advising on matters of automatic exchange of tax information (including CRS and FATCA), anti-money laundering regimes and information registers (including 4 and 5AMLD), and requirements to report cross border transactions and tax schemes (including DAC6 and CRS Mandatory Disclosure Rules). It also includes the regularisation of untaxed assets particularly where there is a multi-jurisdictional dimension.

Mark also advises on matters of UK taxation including the remittance basis of taxation for non-domiciliaries, matters of UK tax residency and the taxation of UK real estate.

Mark is admitted to practise in England and Wales and as a foreign lawyer to the EU list of the supervisory commission of lawyers for the canton of Zurich and the Swiss Federation. Mark is a member of the IBA and the vice-chair of the STEP Public Policy Committee. He is a permanent Swiss resident with his family in the canton of Zug.

Expérience

  • Advised and large and widely invested Italian-Swiss trust on regularisation where both the trustees and beneficiaries had unwittingly drifted into tax, reporting and regulatory non-compliance in multiple jurisdictions due to complexity of the cross-border rules to which they were subject.
  • Advised the trustees of a mutli-billion dollar complex Caribbean trust structure on complex matters of cross-border taxation, trust law, family governance and financial services regulation arising from the family members’, family office’s and trust investments’ connections to multiple jurisdictions including the US, Germany and the UK.
  • Advised a UK resident family member of a New York family office on matters of cross-border US/UK estate planning and taxation (including efficient tax structuring of family trusts to avoid double taxation) as well as on the impact of the 2017 UK resident non-domiciled tax reforms.
  • Advised a number of leading Swiss private bank and independent trust companies on the impact of the EU 4th Anti-Money Laundering Directive and introduction of trust registers.

Classements

  • handelsblatt-best-lawyers
  • handelsblatt-lawyers-of-the-year
  • legal-500-emea-2024-rec-partner
  • best-lawyers-2024
  • WWL-private-client-2023
  • WWL-Switzerland-2023
  • WWL-thought-leaders-private-client-2023
  • WWL-thought-leaders-swizterland-2023
  • summers-mark
  • mark summers
  • WWL Private Client 2021 - Rosette (1)
  • Mark Summers - Chambers HNW 2021
  • Private Client Global Elite_BADGE 2020-21 A

News & Insights

  • New rules for non-doms: (Too) Short and Sweet?

    Alice Martin

    Insights

  • The statutory residence test

    Dominic Lawrance

    Insights

  • Split year treatment

    Dominic Lawrance

    Insights

  • Charles Russell Speechlys Swiss lawyers contribute to Private Wealth Chambers Global Practice Guide

    Michael Wells-Greco

    In The Press

  • How Private is Wealth?

    Mark Summers

    Insights

  • Midshore or Midtown? Changing trends in wealth structuring for Latin American clients

    Mark Summers

    Insights

  • Untangling the Atlantic Knot: Tax reporting and compliance for US citizens living in the UK

    Sangna Chauhan

    Podcasts

  • Untangling the Atlantic Knot: FATCA and information exchange [bonus episode]

    Sangna Chauhan

    Podcasts

  • Charles Russell Speechlys further expands its Swiss Private Client team with the hire of Dharshi Wijetunga as Partner

    Dharshi Wijetunga

    News

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