Company · London
Sigdiff Limited
Market research and public opinion polling
Official record Companies House · updated 27th September 2026 · Sources
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Who leads it
Previous officers 3
- Alison Mary Isaacs 2019-2023 View profile
- Naomi Ruth Isaacs 2015-2023 View profile
- Helen Veronica Griffiths 2007-2015 View profile
Directors and secretaries as filed at Companies House.
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About
- What it does
- Market research and public opinion polling
- Incorporated
- 06/12/2007
- Registered office
- London
Ownership
Owned by (2) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.
- Anthony Philip Isaacs ceased 2023-07-01
75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 - Potentia Insight Limited
75-100% shares, 75-100% voting, appoints directors · notified 2023-07-01
Group
- Sigdiff Limited
is controlled by Anthony Philip Isaacs
Evidence
ceased 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06, ceased 2023-07-01 · source: Companies House PSC register
Ultimately controlled by Anthony Philip Isaacs.
1 other company in this group
Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.
Financials
- Net assets
- £288,341
- Total assets
- £288,341
- Cash
- £10,753
- Employees
- 5
- Turnover
- Not reported (small or micro-entity accounts)
Five-year trend
| Period ending | Turnover | Net assets |
|---|---|---|
| 2025-12-31 | Not reported | £288,341 |
| 2025-12-31 | Not reported | £288,341 |
Figures from accounts filed at Companies House (iXBRL), period ending 2025-12-31. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.
Board analysis
Board DNA
How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.
3 directors on the board
- Ruth Watts Director · appointed 2025
- Anthony John Randle Director · appointed 2025
- Anthony Philip Isaacs Director · appointed 2007
Directors past 6 years
- Anthony Philip Isaacs Director · appointed 2007
First-time vs portfolio directors
First-time (2)
- Ruth Watts Director · appointed 2025
- Anthony Philip Isaacs Director · appointed 2007
Portfolio (1)
- Anthony John Randle Director · appointed 2025
Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.
The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 06446836
- Status
- Active
- Type
- Private Limited Company
- Accounts next due
- 30/09/2027
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
Contains public sector information licensed under the Open Government Licence v3.0. Report an issue · How we handle data