ALERTSEC LTD
Company number 05448086 · Active · Newmarket CB8 7SG
ALERTSEC LTD is an active private limited company (company number 05448086) incorporated on 10 May 2005, registered in Newmarket. Its registered activity is information technology consultancy activities (SIC 62020). Latest small accounts cover the period ending 31 December 2025, showing net assets of £26k and cash of £13k, with 0 employees on average. Net assets fell 17% on the prior period (£32k).
By net assets it sits in the upper half of 656 comparable companies in Cambridge (median £5,365, upper quartile £49k).
Key dates
- Incorporated
- 10 May 2005
- Next accounts due
- 30 September 2027 — in 343 days
- Confirmation statement due
- 24 May 2027 — in 214 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 62020
- Information technology consultancy activities
- Accounts type
- Total Exemption Full
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 31 December 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £26k | £13k | £16k | — | — | — | 0 |
| 31 December 2024 | £32k | £17k | £16k | — | — | — | 0 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 68/100 (grade B)
- +10 Positive net assets — Net assets £26,183 at 2025-12-31
- +8 Established — Incorporated 2005-05-10 (21 years)
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.
Ownership and control
- Alertsec Ab (corporate entity, Sweden) — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 10 May 2017
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Similar companies in Cambridge
Same activity (information technology consultancy activities), closest in incorporation date.
- CATALYSOFT LIMITED — Cambridge, inc. Apr 2005
- GENETIC ANCESTOR LIMITED — Cambridge, inc. Jun 2005
- YOU IN CONTROL LIMITED — Haverhill, inc. Mar 2005
- NEWLEAF IT LIMITED — Cambridge, inc. Mar 2005
- INTERNET HORIZONS LIMITED — Lower Cambourne, inc. Jul 2005
- TEKNO SOFT LIMITED — Cambridge, inc. Mar 2005
All companies incorporated on 10 May 2005 · in May 2005.
Reminders for ALERTSEC LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.