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Company

Biowatt Site Services Limited

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

Network

The large node is Biowatt Site Services Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 8

  1. Yuito Uda 2025-2026 Director View profile
  2. Hiroyuki Sasaoka 2024-2025 Director View profile
  3. Ippei Kojma 2023-2024 Director View profile
  4. Andrew Michael Vernau 2023-2026 Director View profile
  5. Satoshi Kanomata 2021-2023 Director View profile
  6. Ken Ando 2021-2023 Director View profile
  7. Michael William Roberts 2015-2021 Director View profile
  8. John Weston Ridgeway 2016-2022 Secretary View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
21/10/2015

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.

Group

  1. Biowatt Site Services Limited is controlled by John Weston Ridgeway
    Evidence
    ceased 75-100% shares · notified 2016-04-06, ceased 2017-01-14 · source: Companies House PSC register

Ultimately controlled by John Weston Ridgeway.

9 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

Employees
18
Turnover
£461,192
Profit/loss
-£657,566

Filed as Full accounts (audit exempt).

Figures from accounts filed at Companies House (iXBRL), period ending 2024-12-31. 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.

4 directors on the board

4.2y median 2.9y
average tenure
10.7y
longest tenure

Directors past 6 years

First-time vs portfolio directors

Portfolio (4)

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.

Construction 6Other services 4Utilities 4Business services 3Finance 2Agriculture 1Dormant 1Professional services 1

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
09835337
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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