Active14373103Private limited companyLondon

S4 UK DEV LTD

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date.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

01

Summary

Generated from filed data · no estimates

S4 UK DEV LTD is an active private limited company (company number 14373103) incorporated on 23 September 2022, registered in London. Its registered activity is distribution of electricity (SIC 35130). Latest small accounts cover the period ending 31 March 2025, showing net assets of £19.26m and cash of £637k, with 10 employees on average. Net assets rose 40% on the prior period (£13.72m).

Peer position · net assets

By net assets it sits in the top quarter of 81 comparable companies in London (median £287, upper quartile £57k).

02

Key dates

Incorporated
23 September 20224 yrs ago
Next accounts due
31 December 2026in 70 days
Confirmation statement due
7 October 2027in 350 days

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

03

Activity

SIC 35130
Distribution of electricity
Accounts type
Total Exemption Full
Size band
MicroCompanies Act thresholds
04

Financials

3 periods on record · latest ending 31 March 2025
Net assets
£19.26m
+40%vs Mar 2024
Cash at bank
£637k
−90%vs Mar 2024
Turnover
Not reported
Employees
10
+25%vs Mar 2024
Net assets
£19.26m
Cash at bank
£637k
Profit for the year
−£4.22m
Average employees
10
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
31 March 2025£19.26m£637k—£10.41m—−£4.22m10
31 March 2024£13.72m£6.38m—£1.62m—−£3.01m8
31 March 2023———————
Current ratio0.38Current assets ÷ creditors within one year
Cash per employee£64kCash ÷ average employees

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

05

Filing and accounts signals

Facts from the register · no rating
  • Net assets above zeroNet assets £19,258,377 at 31 March 2025
  • Net assets up 10% or more on the prior period+40.3% vs prior period
  • Current assets below creditors within one yearCurrent ratio 0.38
  • Cash at bank of £50,000 or moreCash £636,852
  • Three or more accounting periods on record3 periods on record
  • Incorporated two to five years agoIncorporated 23 September 2022

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.

06

Ownership and control

0 active · 5 other

No active person with significant control is registered.

  • persons with significant control statement · since 15 July 2025
  • Lower 48 Energy Ltd
    corporate entity, United Kingdom · since 23 September 2022 · ceased 11 December 2023
    • owns 75–100% of shares
    • holds 75–100% of voting rights
    • can appoint or remove directors
  • Mr Hugh Mainwaring
    Individual · since 23 September 2022 · ceased 11 December 2023
    • has significant influence or control
  • Kamco Investment Company K.S.C. (P)
    corporate entity, Kuwait · since 9 November 2022 · ceased 11 December 2023
    • owns 25–50% of shares
    • holds 25–50% of voting rights
  • Castleton Commodities Luxembourg Holdings S.A.R.L.
    corporate entity, Luxembourg · since 11 December 2023 · ceased 30 June 2025
    • owns 75–100% of shares
    • holds 75–100% of voting rights
    • can appoint or remove directors

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.

07

Timeline

Newest first
  1. Confirmation statement duein 350 days
  2. Next accounts duein 70 days
  3. Accounts period endNet assets £19.26m · small accounts
  4. Accounts period endNet assets £13.72m · small accounts
  5. Accounts period end
  6. Incorporated
08

Similar companies in London

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

Reminders for S4 UK DEV LTD

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.