The Firmwatch take
Sig Building Systems Limited (07976470) currently shows: At risk signal detected, based on accounts to 31 December 2025; last refreshed 24 May 2026. Net liabilities of £23m — assets do not cover obligations.
Companies House source·Accounts to 31 Dec 2025·Refreshed 24 May 2026·Methodology and caveats
Firmwatch signals are generated from public filings and are not credit ratings or financial advice.
Pulse · Net assets, 2024–2025
↗ £0Incorporated
5 March 2012
14 years on the register
Sector
Dormant company
SIC 99999
Size
Not classified
Net assets
−£23m
-£23,339,000
Cash at bank
Not disclosed
Not required for this filing type
Latest filing
None yet
Insolvency risk
Elevated insolvency risk
The latest public accounts show financial pressure that should be reviewed before relying on the company as a customer, supplier or counterparty.
Negative net assets
Visible liabilities exceed visible assets in the extracted accounts.
Negative working capital
Short-term liabilities are higher than short-term assets in the public balance sheet.
Money
What the balance sheet says
Net assets
−£23m
Cash
Not disclosed
Working cap.
−£23m
Current ratio
—
Signals · 2
Negative net assets
The latest filed accounts show liabilities exceeding assets.
Negative working capital
Current liabilities exceed current assets in the extracted accounts.
Address pattern · S9 1XH
262 other UK companies registered at this postcode.
Active
259
Dissolved
2
Strike-off action
1
People
Who runs this company
- KS
KESTERTON, Simon John
director · since 2026
Registered office
Address intelligence
262 other companies use this address.
High-volume registered-office service. Many UK companies use these legitimately, but they are also a known hosting location for shell entities. Treat this as a flag, not a verdict.
Firmwatch turns UK Companies House filings into plain-English company intelligence. Data is refreshed daily; signals are generated from public balance-sheet and filing patterns.