£1.05m
+10%vs Jan 2025Active02310339Private limited companySheerness
MASTERBUILD PLASTICS LIMITED
Significant control: Paul Kirby (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Construction of other civil engineering projects n.e.c. (SIC 42990). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
MASTERBUILD PLASTICS LIMITED is an active private limited company (company number 02310339) incorporated on 28 October 1988, registered in Sheerness. Its registered activity is construction of other civil engineering projects n.e.c. (SIC 42990). Latest small accounts cover the period ending 31 January 2026, showing net assets of £1.05m and cash of £403k, with 12 employees on average. Net assets rose 10% on the prior period (£955k). Across the last 3 periods on record the net-asset trend is rising.
Peer position · net assets
By net assets it sits in the top quarter of 411 comparable companies in Kent (median £8,523, upper quartile £74k).
02
Ownership and control
- Mr Paul Kirby
- 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. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 28 October 198837 yrs ago
- Next accounts due
- 31 October 2027in 373 days
- Confirmation statement due
- 11 November 2026in 19 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 42990
- Construction of other civil engineering projects n.e.c.
- Accounts type
- Total Exemption Full
- Size band
- SmallCompanies Act thresholds
05
Financials
£403k
+17%vs Jan 2025Not reported
12
+20%vs Jan 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 January 2026 | £1.05m | £403k | £114k | — | — | — | 12 |
| 31 January 2025 | £955k | £345k | £95k | — | — | — | 10 |
| 31 January 2024 | £931k | £301k | £86k | — | — | — | 12 |
Cash per employee£34kCash ÷ 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 £1,046,888 at 31 January 2026
- Cash at bank of £50,000 or moreCash £403,472
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 28 October 1988
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 373 days
- Confirmation statement duein 19 days
- Accounts period endNet assets £1.05m · small accounts
- Accounts period endNet assets £955k · small accounts
- Accounts period endNet assets £931k · small accounts
- Incorporated
08
Similar companies in Kent
- R. AND M. PLANT AND CONSTRUCTION LIMITEDSellindge, Nr Ashford · inc. Feb 1989
- F.J. MERRILL & SON LIMITEDKent · inc. Mar 1989
- WORLDSECTION LIMITEDTenterden · inc. Feb 1988
- STEED CONSTRUCTION LIMITEDEast Sussex · inc. Nov 1987
- FILMER CONTRACTING LIMITEDChatham · inc. Dec 1989
- FIRM FOUNDATIONS LIMITEDSevenoaks · inc. Jan 1990
All companies incorporated on 28 October 1988 · in Oct 1988.
09
Reminders for MASTERBUILD PLASTICS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.