OBSIDIAN STRUCTURES LIMITED
Company number 15891703 · Active · Welwyn AL6 9EL
OBSIDIAN STRUCTURES LIMITED is an active private limited company (company number 15891703) incorporated on 12 August 2024, registered in Welwyn. Its registered activity is engineering related scientific and technical consulting activities (SIC 71122). Latest dormant accounts cover the period ending 31 August 2025, showing net assets of £1.
By net assets it sits in the bottom quarter of 165 comparable companies in Hertfordshire (median £8,605, upper quartile £55k).
Key dates
- Incorporated
- 12 August 2024
- Next accounts due
- 31 May 2027 — in 224 days
- Confirmation statement due
- 26 August 2027 — in 311 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
- Dormant
- Size band
- Micro (Companies Act thresholds)
Financials — 1 period on record, latest ending 31 August 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 August 2025 | £1 | — | — | — | — | — | — |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 64/100 (grade C)
- +10 Positive net assets — Net assets £1 at 2025-08-31
- +4 Past first filings — Incorporated 2024-08-12
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
- Mr Alexander Edward Brown — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 12 August 2024
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 Hertfordshire
Same activity (engineering related scientific and technical consulting activities), closest in incorporation date.
- SP ELECTRICAL ENGINEERING SERVICES LTD — Hitchin, inc. Aug 2024
- ROSHEA CONSULTING LIMITED — St. Albans, inc. Aug 2024
- MASS SPECTROMETRY IMAGING SOLUTIONS LTD — Knebworth, inc. Aug 2024
- NICKLIN AERO LIMITED — Royston, inc. Jul 2024
- BITATECH LTD — Hatfield, inc. Jul 2024
- CROWN VOLT ENGINEERING LTD — Stevenage, inc. Jun 2024
Reminders for OBSIDIAN STRUCTURES LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.