£45k
−21%vs Dec 2024ActiveNI066890Private limited companyLisburn
STRUCTURAL DESIGN & DETAILING LIMITED
Significant control: Christopher Alexander Black (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Structural Design & Detailing Limited sell?
Registered activity: Other engineering activities (SIC 71129). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
STRUCTURAL DESIGN & DETAILING LIMITED is an active private limited company (company number NI066890) incorporated on 30 October 2007, registered in Lisburn. Its registered activity is other engineering activities (SIC 71129). Latest micro accounts cover the period ending 31 December 2025, showing net assets of £45k, with 6 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 21% on the prior period (£57k).
Peer position · net assets
By net assets it sits in the upper half of 363 comparable companies in Belfast (median £8,050, upper quartile £53k).
02
Ownership and control
- Mr Christopher Alexander Black
- owns 75–100% of shares
- Mr Paul Milligan
- 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. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 30 October 200718 yrs ago
- Next accounts due
- 30 September 2027in 341 days
- Confirmation statement due
- 13 November 2026in 20 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71129
- Other engineering activities
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
6
No changevs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £45k | — | — | £32k | — | — | 6 |
| 31 December 2024 | £57k | — | — | £32k | — | — | 6 |
Current ratio2.03Current assets ÷ creditors within one year
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 £45,098 at 31 December 2025
- Current assets at least 1.5× creditors within one yearCurrent ratio 2.03
- Incorporated five or more years agoIncorporated 30 October 2007
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 341 days
- Confirmation statement duein 20 days
- Accounts period endNet assets £45k · micro accounts
- Accounts period endNet assets £57k · micro accounts
- Incorporated
08
Similar companies in Belfast
- PATRICK MCCAUL ENVIRONMENTAL CONSULTING ENGINEERS LIMITEDOmagh · inc. Jan 2008
- DS CONTRACTING LIMITEDBallyclare · inc. Feb 2008
- S M R DESIGN SOLUTIONS LIMITEDBallyhackamore · inc. Jul 2007
- MARAPCO LIMITEDCarrickfergus · inc. Jul 2007
- IAN DONNELLY ASSOCIATES LIMITEDCo Armagh · inc. Jun 2007
- PRB (NI) LIMITEDinc. Mar 2008
All companies incorporated on 30 October 2007 · in Oct 2007.
09
Reminders for STRUCTURAL DESIGN & DETAILING LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.