SIGDIFF LIMITED
Company number 06446836 · Active · London WC1A 2DA
SIGDIFF LIMITED is an active private limited company (company number 06446836) incorporated on 6 December 2007, registered in London. Its registered activity is market research and public opinion polling (SIC 73200). Latest small accounts cover the period ending 31 December 2025, showing net assets of £288k and cash of £11k, with 5 employees on average. Net assets rose 51% on the prior period (£191k).
By net assets it sits in the top quarter of 611 comparable companies in London (median £7,802, upper quartile £79k).
Key dates
- Incorporated
- 6 December 2007
- Next accounts due
- 30 September 2027 — in 349 days
- Confirmation statement due
- 20 December 2026 — in 65 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 73200
- Market research and public opinion polling
- Accounts type
- Total Exemption Full
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 31 December 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £288k | £11k | £500k | — | — | — | 5 |
| 31 December 2024 | £191k | £32k | £289k | — | — | — | 4 |
- Cash per employee
- £2,151
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 76/100 (grade B)
- +10 Positive net assets — Net assets £288,341 at 2025-12-31
- +8 Net assets growing — +51.2% vs prior period
- +8 Established — Incorporated 2007-12-06 (19 years)
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
- Potentia Insight Limited (corporate entity, United Kingdom) — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 1 July 2023
- Mr Anthony Philip Isaacs — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 6 April 2016 · ceased 1 July 2023
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 London
Same activity (market research and public opinion polling), closest in incorporation date.
- DRES CONSULTING LIMITED — London, inc. Dec 2007
- PURDIE PASCOE LIMITED — London, inc. Dec 2007
- BIG FISH INTERNATIONAL LIMITED — London, inc. Jan 2008
- BROADRIDGE ANALYTICS SOLUTIONS LIMITED — London, inc. Jan 2008
- VERDANTIX LIMITED — London, inc. Feb 2008
- MM - EYE LIMITED — London, inc. Sept 2007
Reminders for SIGDIFF LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.