£542
−84%vs Feb 2024ActiveSC442241Private limited companyEdinburgh
MIXED SIGNAL SYSTEMS LIMITED
Significant control: Kieran Anthony O'Leary (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Engineering related scientific and technical consulting activities (SIC 71122). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
MIXED SIGNAL SYSTEMS LIMITED is an active private limited company (company number SC442241) incorporated on 7 February 2013, registered in Edinburgh. Its registered activity is engineering related scientific and technical consulting activities (SIC 71122). Latest micro accounts cover the period ending 28 February 2025, showing net assets of £542, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 84% on the prior period (£3,407).
Peer position · net assets
By net assets it sits in the lower half of 240 comparable companies in Edinburgh (median £5,962, upper quartile £47k).
02
Ownership and control
- Mr Kieran Anthony O'Leary
- 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
- 7 February 201313 yrs ago
- Next accounts due
- 28 November 2026in 32 days
- Confirmation statement due
- 21 February 2027in 117 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71122
- Engineering related scientific and technical consulting activities
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
1
No changevs Feb 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 28 February 2025 | £542 | — | — | — | — | — | 1 |
| 29 February 2024 | £3,407 | — | — | — | — | — | 1 |
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.
06
Filing and accounts signals
- Net assets above zeroNet assets £542 at 28 February 2025
- Net assets down 25% or more on the prior period-84.1% vs prior period
- Incorporated five or more years agoIncorporated 7 February 2013
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
- Confirmation statement duein 117 days
- Next accounts duein 32 days
- Accounts period endNet assets £542 · micro accounts
- Accounts period endNet assets £3,407 · micro accounts
- Incorporated
08
Similar companies in Edinburgh
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- THEODOLITE LIMITEDEdinburgh · inc. Jan 2013
- SODAK LIMITEDEdinburgh · inc. Apr 2013
- EDUGEAR LTDEdinburgh · inc. Dec 2012
- AULTGRISHAN LTDEdinburgh · inc. Jun 2013
- HEBRON ENGINEERING CONSULTANCY LTDDalkeith · inc. Jul 2013
All companies incorporated on 7 February 2013 · in Feb 2013.
09
Reminders for MIXED SIGNAL SYSTEMS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.