The Governance RegisterEdition 2026 · Compiled 12th July 2026

Alteris 1 LLP

Company OC418970 Active

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Board DNA

How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current designated members only, past designated members excluded.

7
designated members on the board
3y median 1.3y
average tenure
8.8y
longest tenure
2
designated members past 6 years
4 vs 3 portfolio
first-time designated members
2
also govern a charity
1
left in the last 12 months
1
corporate seats

Where else this board sits iWhere else this board sitsThe charitable fields these designated members govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.

Construction 20Finance 11Property 5Business services 3Education 2Other services 2Tech and media 2

The sectors these designated members govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.

Related organisations iRelated organisationsCompanies whose board overlaps with this one through the same people. Deterministic, from public records.

Companies whose board overlaps with this one through the same people. Deterministic, from public records.

Company details

NumberOC418970
StatusActive
TypeLimited Liability Partnership
Incorporated15/09/2017
Address3RD FLOOR, NORTHUMBERLAND HOUSE, 155 - 157 GREAT PORTLAND STREET, LONDON, W1W 6QP
Accounts next due30/09/2026
Accounts last made up31/12/2024

Industry (SIC)

None Supplied

Ownership - persons with significant control (2)

  • Mr Thomas Edward Lockyer Walsh British
    right to share surplus assets 75-100% limited liability partnership
  • Mr Gerhard Leonhard Dunstheimer ceased German
    right to share surplus assets 25-50% limited liability partnership

Officers (16)

  • Acreman, Elizabeth May Llp-designated-member · appointed 2026
  • Newns, Simon Albert Blyth Llp-designated-member · appointed 2026
  • Craston, Edmund Anthony Llp-designated-member · appointed 2026
  • Maakan, Adi Llp-designated-member · appointed 2025
  • Pichugin, Sergey Llp-member · appointed 2025
  • Okell, John Austin Llp-designated-member · appointed 2025
  • Riddle, Ellison James John Llp-member · appointed 2017
  • Walsh, Thomas Edward Lockyer Llp-designated-member · appointed 2017
  • Broadhead, Bertram Richard Llp-designated-member · appointed 2017
  • Alteris Partners Limited Corporate-llp-designated-member · appointed 2017
  • Lopez, Marta Sauri Former Llp-member · appointed 2018 · resigned 2021
  • Nuttall, Jessica Judith Former Llp-member · appointed 2018 · resigned 2023
  • Heer, Arandeep Former Llp-member · appointed 2018 · resigned 2020
  • Dunstheimer, Gerhard Leonhard Former Llp-designated-member · appointed 2017 · resigned 2020
  • Pfeiffer, Patrick Former Llp-designated-member · appointed 2017 · resigned 2021
  • Giardina, Stefano Former Llp-designated-member · appointed 2017 · resigned 2025

Directors and officers on the Companies House record, current and former.

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