The Firmwatch take
Polymateria Limited is a 10-year-old professional services, active on the Companies House register. The latest filed accounts (year to 31 December 2024) show -GBP 814k in net assets, with 1 distress signal extracted from the filing (negative net assets). No insolvency or strike-off filings appear in our public Companies House and Gazette data.
Refreshed 24 May 2026
Incorporated
17 November 2015
10 years on the register
Sector
Other professional, scientific and technical activities n.e.c.
SIC 74909
Size
Not classified
Net assets
−£814k
Bottom 10% in sector
Cash at bank
Not disclosed
Not required for this filing type
Latest filing
None yet
Insolvency risk
Worth watching
The latest public accounts contain some cautionary signs, but not enough to suggest severe distress on their own.
Negative net assets
Visible liabilities exceed visible assets in the extracted accounts.
Money
What the balance sheet says
Net assets
−£814k
Bottom 10% in sector · sector median £3k · 52,274 filers in this sector
Cash
Not disclosed
Working cap.
£4.6m
Median £6k
Current ratio
3.9×
Median 1.4×
Signals · 1
Negative net assets
The latest filed accounts show liabilities exceeding assets.
Sector benchmark · Professional Services
How this company compares in 52,274 filers in this sector
Bottom 10% in sector — Polymateria Limited shows −£814k in net assets. Sector median is £3k.
Sector medians are computed annually across all UK companies in this broad sector. Position is approximate — see the Money tab for the full balance sheet.
Address pattern · EC4M 7RD
709 other UK companies registered at this postcode.
Active
675
Dissolved
13
Strike-off action
19
People
Who runs this company
- SJ
SIEFF, Jonathan David
director · since 2015
Registered office
Address intelligence
709 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.