£66k
−24%vs Dec 2024Active05315431Private limited companySouthampton
ZYLPHA LTD
B73/10001
Summary
ZYLPHA LTD is an active private limited company (company number 05315431) incorporated on 17 December 2004, registered in Southampton. Its registered activity is business and domestic software development (SIC 62012). Latest small accounts cover the period ending 31 December 2025, showing net assets of £66k and cash of £43k, with 16 employees on average. Net assets fell 24% on the prior period (£88k). Across the last 3 periods on record the net-asset trend is falling.
Peer position · net assets
By net assets it sits in the top quarter of 371 comparable companies in Southampton (median £1,259, upper quartile £37k).
02
Key dates
- Incorporated
- 17 December 200421 yrs ago
- Next accounts due
- 30 September 2027in 343 days
- Confirmation statement due
- 31 December 2026in 70 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 62012
- Business and domestic software development
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
04
Financials
£43k
−17%vs Dec 2024Not reported
16
No changevs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £66k | £43k | £191k | — | — | — | 16 |
| 31 December 2024 | £88k | £52k | £160k | £124k | — | — | 16 |
| 31 December 2023 | £158k | £61k | £207k | £110k | — | — | 18 |
Cash per employee£2,702Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
05
Firmoscan score
73 / 100 · grade B
| 50 | Starting scoreEvery scored company starts here |
| +10 | Positive net assetsNet assets £66,436 at 2025-12-31 |
| +5 | Multi-year filing history3 periods on record |
| +8 | EstablishedIncorporated 2004-12-17 (22 years) |
| 73 | Score, grade B |
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice. How the score is computed.
06
Ownership and control
- Mrs Ethna Mary Long
- owns 25–50% of shares
- Mr Timothy William Long
- owns 50–75% of shares
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
07
Timeline
- Next accounts duein 343 days
- Confirmation statement duein 70 days
- Accounts period endNet assets £66k · small accounts
- Accounts period endNet assets £88k · small accounts
- Accounts period endNet assets £158k · small accounts
- Incorporated
08
Similar companies in Southampton
- BIG HAMMER SOFTWARE LIMITEDHampshire · inc. Oct 2004
- INTERCODE LIMITEDSouthampton · inc. Apr 2005
- DIGITAL SYSTEMS & DESIGN LIMITEDWinchester · inc. Jul 2004
- HORIZONS AVIATION LIMITEDHampshire · inc. Jun 2004
- SPARKSTONE TECHNOLOGY LIMITEDChandlers Ford · inc. May 2004
- P.C.S PERSONAL COMPUTER SYSTEMS LIMITEDSouthampton · inc. May 2004
All companies incorporated on 17 December 2004 · in Dec 2004.
09
Reminders for ZYLPHA LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.