Active11357961Private limited companyRickmansworth

PYRENERGY LIMITED

Significant control: Jamie Williams (75–100%)

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

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What does Pyrenergy Limited sell?

Registered activity: Production of electricity (SIC 35110). We’re building product and service lists for UK companies. Get this one when it’s ready.

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01

Summary

Generated from filed data · no estimates

PYRENERGY LIMITED is an active private limited company (company number 11357961) incorporated on 12 May 2018, registered in Rickmansworth. Its registered activity is production of electricity (SIC 35110). Latest small accounts cover the period ending 31 March 2025, showing net assets of −£843k, with 2 employees on average. Net assets fell 281% on the prior period (−£221k). Across the last 3 periods on record the net-asset trend is falling.

Peer position · net assets

By net assets it sits in the bottom quarter of 217 comparable companies in Greater London (median £0, upper quartile £159).

02

Ownership and control

1 active · 3 other
  • Mr Jamie Williams
    Individual · since 24 April 2023
    • owns 75–100% of shares
    • holds 75–100% of voting rights
    • can appoint or remove directors
  • 465 Holdings Limited
    corporate entity · since 12 May 2018 · ceased 12 May 2018
    • owns 75–100% of shares
    • holds 75–100% of voting rights
  • Mr Jamie Williams
    Individual · since 12 May 2018 · ceased 19 December 2022
    • owns 75–100% of shares
    • holds 75–100% of voting rights
    • can appoint or remove directors
  • persons with significant control statement · since 5 July 2023 · ceased 24 April 2023

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.

03

Key dates

Incorporated
12 May 20188 yrs ago
Next accounts due
31 December 2026in 67 days
Confirmation statement due
26 May 2027in 213 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

04

Activity

SIC 35110
Production of electricity
SIC 38210
Treatment and disposal of non-hazardous waste
Accounts type
Total Exemption Full
Size band
MicroCompanies Act thresholds
05

Financials

3 periods on record · latest ending 31 March 2025
Net assets
−£843k
vs Mar 2024
Cash at bank
Not reported
Turnover
Not reported
Employees
2
No changevs Mar 2024
Net assets
−£843k
Average employees
2
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
31 March 2025−£843k—£21k———2
31 March 2024−£221k—£2.89m———2
31 March 2023£999—£2.43m———1

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.

06

Filing and accounts signals

Facts from the register · no rating
  • Net assets below zeroNet assets £-842,527 at 31 March 2025
  • Net assets down 25% or more on the prior period-280.6% vs prior period
  • Three or more accounting periods on record3 periods on record
  • Incorporated five or more years agoIncorporated 12 May 2018

Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.

07

Timeline

Newest first
  1. Confirmation statement duein 213 days
  2. Next accounts duein 67 days
  3. Accounts period endNet liabilities £843k · small accounts
  4. Accounts period endNet liabilities £221k · small accounts
  5. Accounts period endNet assets £999 · small accounts
  6. Incorporated
08

Similar companies in Greater London

Same activity (production of electricity), closest in incorporation date
09

Reminders for PYRENERGY LIMITED

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.

Source: Companies House register, snapshot 2026-08-31; accounts from the Companies House accounts data product. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.