£10k
−65%vs Mar 2025Active09650644Private limited companyIlkley
COMPLEX SYSTEMS ASSOCIATES LIMITED
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
01
Summary
COMPLEX SYSTEMS ASSOCIATES LIMITED is an active private limited company (company number 09650644) incorporated on 22 June 2015, registered in Ilkley. Its registered activity is management consultancy activities other than financial management (SIC 70229). Latest micro accounts cover the period ending 31 March 2026, showing net assets of £10k, with 0 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 65% on the prior period (£30k).
Peer position · net assets
By net assets it sits in the upper half of 3,691 comparable companies in Leeds (median £4,727, upper quartile £32k).
02
Key dates
- Incorporated
- 22 June 201511 yrs ago
- Next accounts due
- 31 December 2027in 435 days
- Confirmation statement due
- 6 July 2027in 257 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 70229
- Management consultancy activities other than financial management
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
04
Financials
Not reported
Not disclosed
0
vs Mar 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2026 | £10k | — | — | £0 | — | — | 0 |
| 31 March 2025 | £30k | — | — | £0 | — | — | 0 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
05
Filing and accounts signals
- Net assets above zeroNet assets £10,282 at 31 March 2026
- Net assets down 25% or more on the prior period-65.3% vs prior period
- Incorporated five or more years agoIncorporated 22 June 2015
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 They are not a rating, a prediction or advice, and may be incomplete or out of date.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.
06
Ownership and control
- Ms Rebecca Louise Malby
- owns 75–100% 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 435 days
- Confirmation statement duein 257 days
- Accounts period endNet assets £10k · micro accounts
- Accounts period endNet assets £30k · micro accounts
- Incorporated
08
Similar companies in Leeds
- J K CONTRACTING LTDBradford · inc. Jun 2015
- BROAD REACH VENTURES LIMITEDHuddersfield · inc. Jun 2015
- AGILE CUBED LIMITEDWakefield · inc. Jun 2015
- LRA MARKETING LTDBrighouse · inc. Jun 2015
- A & B CONSULTANTS LIMITEDBatley · inc. Jun 2015
- HURRELL ASSOCIATES LIMITEDLeeds · inc. Jun 2015
All companies incorporated on 22 June 2015 · in Jun 2015.
09
Reminders for COMPLEX SYSTEMS ASSOCIATES LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.