Ellie Marques
Biography

Ellie Marques is counsel in the London Tax team. She advises clients on a broad range of complex UK and international corporate tax matters with particular focus on providing tax advice in relation to private equity and general corporate M&A transactions and reorganisations.
Ellie also advises on complex cross-border structuring, VAT, banking and leveraged finance tax matters, management equity/incentives, tax litigation and corporates establishing a taxable UK presence.
Ellie has, as part of the Tax team, advised a number of major corporates and private equity houses. Recent representative experience includes advising:
- Wren House Infrastructure on the acquisition of Voyage Healthcare, a sector leading provider of care for people with learning disabilities, autism, brain injuries and other complex needs
- Bain Capital on the acquisition of 60% of Kantar from WPP Group
- Bain capital on its £1.2bn takeover of esure Group
- Advent International on the acquisition of Transaction Services Group, and various bolt-on tax matters pertaining to this transaction
- The Campbell's Company on the sale of the Kettle chips business
- Lehman Brothers Holdings Inc. on various UK matters
- Antin Infrastructure on the auction sale of their ownership in Kellas (CATS) UK pipeline network
- Graphite Capital on various structuring and fundraising matters
- Montagu Private Equity on the acquisition of OASIS Group, a leading records and information management company in Europe
Latest Thinking, Firm News & Announcements
Latest Thinking
- The modernisation of stamp taxes on shares – proceeding as previously proposed? Blog Post — Tax Blog — By Jenny Doak, Ellie Marques and Erica Rees — June 23, 2025
- No double tax relief for “stapled” company Blog Post — Tax Blog — By Jenny Doak and Ellie Marques — October 18, 2024
- The Stamp Taxes Framework: Proposals for Modernisation Blog Post — Tax Blog — By Jenny Doak, Ellie Marques and Erica Rees — May 26, 2023
Firm News & Announcements
- Weil Advises PSG on the Entry into Exclusive Negotiations for the Sale of Signaturit to Bain Capital and Namirial Deal Brief — July 02, 2025
- Weil Advises L’Oreal in Acquisition of Color Wow Deal Brief — July 01, 2025