£214k
+34%vs Oct 2023Active05538188Private limited companyNewport
SD MAINTENANCE SERVICES LIMITED
Significant control: Sdms Holdings Ltd (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Sd Maintenance Services Limited sell?
Registered activity: Electrical installation (SIC 43210). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SD MAINTENANCE SERVICES LIMITED is an active private limited company (company number 05538188) incorporated on 16 August 2005, registered in Newport. Its registered activity is electrical installation (SIC 43210). Latest small accounts cover the period ending 31 October 2024, showing net assets of £214k and cash of £18k, with 19 employees on average. Net assets rose 34% on the prior period (£160k).
Peer position · net assets
By net assets it sits in the top quarter of 673 comparable companies in Cardiff (median £3,958, upper quartile £35k).
02
Ownership and control
- Sdms Holdings Ltd
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mr Ryan John Jones
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mr Ryan John Jones
- owns 50–75% of shares
- Mrs Barbara Irene Bergstrom
- owns 25–50% of shares
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
- 16 August 200521 yrs ago
- Next accounts due
- 31 July 202685 days overdue
- Confirmation statement due
- 30 August 2027in 310 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43210
- Electrical installation
- SIC 43220
- Plumbing, heat and air-conditioning installation
- SIC 43310
- Plastering
- SIC 43999
- Other specialised construction activities n.e.c.
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£18k
−56%vs Oct 2023Not reported
19
−5%vs Oct 2023| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2024 | £214k | £18k | £581k | — | — | — | 19 |
| 31 October 2023 | £160k | £40k | £398k | — | — | — | 20 |
Cash per employee£939Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £214,475 at 31 October 2024
- Net assets up 10% or more on the prior period+33.8% vs prior period
- Incorporated five or more years agoIncorporated 16 August 2005
- Accounts past their due dateDue 31 July 2026
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
- Confirmation statement duein 310 days
- Next accounts due85 days overdue
- Accounts period endNet assets £214k · small accounts
- Accounts period endNet assets £160k · small accounts
- Incorporated
08
Similar companies in Cardiff
- PREMIER CIRCUITS (WALES) LTDCwmbran · inc. Aug 2005
- CJS ELECTRICAL (WALES) LTDCardiff · inc. Aug 2005
- ZONE ELECTRICAL LIMITEDMerthyr Tydfil · inc. Jul 2005
- PENGUIN ELECTRICAL LIMITEDinc. Jul 2005
- JOHNSTONE ELECTRICAL LIMITEDChepstow · inc. Jul 2005
- CLOCK TOWER ESTATES LIMITEDBlackwood · inc. Oct 2005
All companies incorporated on 16 August 2005 · in Aug 2005.
09
Reminders for SD MAINTENANCE SERVICES LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.