£896
+195%vs Sept 2024Active06368936Private limited companySheffield
CONCEPT GSM LTD
Significant control: Gregory Mattock (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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Registered activity: Other telecommunications activities (SIC 61900). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
CONCEPT GSM LTD is an active private limited company (company number 06368936) incorporated on 12 September 2007, registered in Sheffield. Its registered activity is other telecommunications activities (SIC 61900). Latest micro accounts cover the period ending 30 September 2025, showing net assets of £896, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 195% on the prior period (£304).
Peer position · net assets
By net assets it sits in the lower half of 169 comparable companies in Sheffield (median £7,153, upper quartile £42k).
02
Ownership and control
- Mr Gregory Mattock
- owns 75–100% 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
- 12 September 200719 yrs ago
- Next accounts due
- 30 June 2027in 250 days
- Confirmation statement due
- 26 September 2027in 338 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 61900
- Other telecommunications activities
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
1
No changevs Sept 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £896 | — | — | — | — | — | 1 |
| 30 September 2024 | £304 | — | — | — | — | — | 1 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets above zeroNet assets £896 at 30 September 2025
- Net assets up 10% or more on the prior period+194.7% vs prior period
- Incorporated five or more years agoIncorporated 12 September 2007
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 338 days
- Next accounts duein 250 days
- Accounts period endNet assets £896 · micro accounts
- Accounts period endNet assets £304 · micro accounts
- Incorporated
08
Similar companies in Sheffield
- CLARKE COMMS LIMITEDChesterfield · inc. Oct 2007
- ST LEGER BDI LIMITEDDoncaster · inc. Nov 2007
- BPSD LIMITEDDoncaster · inc. Jan 2008
- EXPO DATA COMMS LIMITEDGrimsby · inc. Apr 2007
- LOCALPHONE LIMITEDSheffield · inc. Feb 2007
- ADEC SERVICES LTDGrimsby · inc. Jun 2008
All companies incorporated on 12 September 2007 · in Sept 2007.
09
Reminders for CONCEPT GSM LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.