£805k
+94%vs Dec 2024Active11728500Private limited companyHatfield
KRYPTON BUILDING SERVICES LTD
Significant control: John O'Donnell (significant control)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Krypton Building Services Ltd sell?
Registered activity: Other specialised construction activities n.e.c. (SIC 43999). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
KRYPTON BUILDING SERVICES LTD is an active private limited company (company number 11728500) incorporated on 14 December 2018, registered in Hatfield. Its registered activity is other specialised construction activities n.e.c. (SIC 43999). Latest abridged accounts cover the period ending 31 December 2025, showing net assets of £805k and cash of £1.48m, with 11 employees on average. As abridged accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 94% on the prior period (£415k).
Peer position · net assets
By net assets it sits in the top quarter of 464 comparable companies in Hertfordshire (median £10k, upper quartile £62k).
02
Ownership and control
- Mr John O'Donnell
- has significant influence or control
- Mr Edward Zanetti
- owns 75–100% of shares
- holds 75–100% of voting rights
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
- 14 December 20187 yrs ago
- Next accounts due
- 30 September 2027in 342 days
- Confirmation statement due
- 28 December 2026in 66 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43999
- Other specialised construction activities n.e.c.
- Accounts type
- Unaudited Abridged
- Size band
- SmallCompanies Act thresholds
05
Financials
£1.48m
+49%vs Dec 2024Not disclosed
11
+22%vs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £805k | £1.48m | £1.52m | — | — | — | 11 |
| 31 December 2024 | £415k | £999k | £491k | — | — | — | 9 |
Cash per employee£135kCash ÷ 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 £805,072 at 31 December 2025
- Net assets up 10% or more on the prior period+93.9% vs prior period
- Cash at bank of £50,000 or moreCash £1,484,811
- Incorporated five or more years agoIncorporated 14 December 2018
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 342 days
- Confirmation statement duein 66 days
- Accounts period endNet assets £805k · abridged accounts
- Accounts period endNet assets £415k · abridged accounts
- Incorporated
08
Similar companies in Hertfordshire
- DLJ HOME IMPROVEMENT LTDStevenage · inc. Dec 2018
- SPC RIGGING AND AUTOMATION LTDStevenage · inc. Nov 2018
- REVIVE & RESTORE PRESSURE WASHING LIMITEDRoyston · inc. Jan 2019
- ANTZ DELIVERY LTDHatfield · inc. Nov 2018
- RST CIVILS LTDStevenage · inc. Jan 2019
- GRAPHIC BUILDING PRODUCTS LTDHarpenden · inc. Nov 2018
All companies incorporated on 14 December 2018 · in Dec 2018.
09
Reminders for KRYPTON BUILDING SERVICES LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.