COSTELLO STRUCTURAL DESIGN LTD
Significant control: Cairbre Costello (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
What does Costello Structural Design Ltd sell?
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.
Summary
COSTELLO STRUCTURAL DESIGN LTD is an active private limited company (company number NI729318) incorporated on 12 May 2025, registered in Omagh. Its registered activity is engineering related scientific and technical consulting activities (SIC 71122). Latest micro accounts cover the period ending 31 May 2026, showing net assets of −£3,870, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public.
By net assets it sits in the bottom quarter of 240 comparable companies in Belfast (median £11k, upper quartile £59k).
Ownership and control
- Mr Cairbre Costello
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
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.
Key dates
- Incorporated
- 12 May 20251 yr ago
- Next accounts due
- 29 February 2028in 494 days
- Confirmation statement due
- 26 May 2027in 215 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 71122
- Engineering related scientific and technical consulting activities
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
Financials
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 May 2026 | −£3,870 | — | — | — | — | — | 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.
Filing and accounts signals
- Net assets below zeroNet assets £-3,870 at 31 May 2026
- Incorporated less than two years agoIncorporated 12 May 2025; no accounts due yet
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 They are not a rating, a prediction or advice, and may be incomplete or out of date.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.
Timeline
- Next accounts duein 494 days
- Confirmation statement duein 215 days
- Accounts period endNet liabilities £3,870 · micro accounts
- Incorporated
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All companies incorporated on 12 May 2025 · in May 2025.
Reminders for COSTELLO STRUCTURAL DESIGN LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.