£1.67m
+15%vs Dec 2024Active03207600Private limited companySouthampton
TOPMARX LIMITED
Significant control: Mark Anthony Fuller (50–75%), Theresa Denise Newman (25–50%) and 1 more
From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Development of building projects (SIC 41100). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
TOPMARX LIMITED is an active private limited company (company number 03207600) incorporated on 4 June 1996, registered in Southampton. Its registered activity is development of building projects (SIC 41100). Latest small accounts cover the period ending 31 December 2025, showing net assets of £1.67m and cash of £148k, with 52 employees on average. Net assets rose 15% on the prior period (£1.44m).
Peer position · net assets
By net assets it sits in the top quarter of 756 comparable companies in Southampton (median £1,142, upper quartile £82k).
02
Ownership and control
- Mr Mark Anthony Fuller
- owns 50–75% of shares
- Mrs Theresa Denise Newman
- owns 25–50% of shares
- Mr Mark Ronald Newman
- 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
- 4 June 199630 yrs ago
- Next accounts due
- 30 September 2027in 341 days
- Confirmation statement due
- 18 June 2027in 237 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 41100
- Development of building projects
- SIC 41202
- Construction of domestic buildings
- Accounts type
- Total Exemption Full
- Size band
- SmallCompanies Act thresholds
05
Financials
£148k
−50%vs Dec 2024Not reported
52
−5%vs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £1.67m | £148k | £2.95m | £1.49m | — | — | 52 |
| 31 December 2024 | £1.44m | £297k | £3.12m | £1.98m | — | — | 55 |
Current ratio2.1Current assets ÷ creditors within one year
Cash per employee£2,850Cash ÷ 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 £1,665,092 at 31 December 2025
- Net assets up 10% or more on the prior period+15.4% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 2.1
- Cash at bank of £50,000 or moreCash £148,197
- Incorporated five or more years agoIncorporated 4 June 1996
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
- Next accounts duein 341 days
- Confirmation statement duein 237 days
- Accounts period endNet assets £1.67m · small accounts
- Accounts period endNet assets £1.44m · small accounts
- Incorporated
08
Similar companies in Southampton
- LIMEVIEW DEVELOPMENTS LIMITEDLymington · inc. Jul 1996
- KITE PROPERTIES LIMITEDLymington · inc. Sept 1996
- TSN HOMES LIMITEDEastleigh · inc. Feb 1996
- P D SCAMMELL LIMITEDEastleigh · inc. Dec 1996
- MARYPORT LIMITEDBraishfield · inc. Dec 1995
- ORCHARD HOMES & DEVELOPMENTS LIMITEDSouthampton · inc. Jan 1997
All companies incorporated on 4 June 1996 · in Jun 1996.
09
Reminders for TOPMARX LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.