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Company

Sero Technologies Limited

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Official record Companies House · updated 27th September 2026 · Sources

Network

The large node is Sero Technologies Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 5

  1. Katherine Ruth Pillai 2025-2025 Director View profile
  2. Andrew Thomas Rendel 2022-2025 Director View profile
  3. Gearoid William Maher 2021-2022 Director View profile
  4. Andrew David George Sutton 2019-2026 Director View profile
  5. Holly Evans 2020-2025 Secretary View profile

Directors and secretaries as filed at Companies House.

Do you help lead this organisation? Set up its network · How it works

About

Incorporated
23/08/2017

Ownership

Owned by (3) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.

  • James Leigh Williams ceased 2018-11-30
    75-100% shares · notified 2018-07-04 - confirmed: also a director of this company
  • Legal & General Capital Investments Limited ceased 2026-02-16
    25-50% shares, 25-50% voting · notified 2024-12-11
  • The Carlyle Trust Limited ceased 2026-02-16
    25-50% shares, 25-50% voting · notified 2024-12-11
  • Possible match - name could not be confirmed to one individualiPossible matchThis PSC filing could not be confirmed to one individual. Not shown as confirmed ownership.

Group

  1. Sero Technologies Limited is controlled by James Leigh Williams
    Evidence
    ceased 75-100% shares · notified 2018-07-04, ceased 2018-11-30 · source: Companies House PSC register

Ultimately controlled by James Leigh Williams.

5 other companies in this group

Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.

Financials

Net assets
£958,858
Total assets
-£64,948
Cash
£995,119
Employees
0.66
Turnover
Not reported (small or micro-entity accounts)
Profit/loss
-£3,949,124

Filed as Group accounts.

Figures from accounts filed at Companies House (iXBRL), period ending 2025-12-31. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.

Board analysis

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 directors only, past directors excluded.

5 directors on the board

5.3y median 4.6y
average tenure
8.9y
longest tenure

Directors past 6 years

First-time vs portfolio directors

Portfolio (5)

0
also govern a charity

Left in the last 12 months

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

Professional services 7Construction 3Finance 3Other services 3Utilities 3

The sectors these directors 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.

Sources

Official record from Companies House. Governance Register calculates the connections.

Record details
Company number
10928834
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 27th September 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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