SIENA DEXTER CONSULTANCY LTD
Company details
- Registered name
- SIENA DEXTER CONSULTANCY LTD
- Company number
- 10663279
- Registered office
- 67 NEWLAND STREET, WITHAM, ESSEX, CM8 1AA, ENGLAND · 171 other companies at this postcode
- Company type
- Private Limited Company
- Incorporated on
- 10 March 2017
- Status
- Active
- Age
- 9 years
- Previous names
- IDEA DOLLS LONDON LTD (to 14 Nov 2022)
- Nature of business (SIC)
- 73110 — Advertising agencies
- Accounts — next due
- 30 Jun 2027
- Accounts — last made up to
- 30 Sept 2025
- Confirmation statement — next due
- 18 Mar 2027
- Confirmation statement — last
- 04 Mar 2026
What the register says
Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.
- 88 companies are registered at this address — commonly a formation agent or an accountant rather than an office.
- A person with significant control here also controls 3 other companies.
Companies House register snapshot, read 02/09/2026.
People with significant control
Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors
Corporate structure
Who controls this company, and who they control in turn
Connections
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 14/11/2022 | Registered name changed | IDEA DOLLS LONDON LTD | SIENA DEXTER CONSULTANCY LTD |
| 12/03/2017 | Person with significant control added | — | Ms Siena Dexter |
Documents for SIENA DEXTER CONSULTANCY LTD
Need this one company on file? Buy the document on its own — no plan required.
The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.
Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.
Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
Data protection register
No entry found on the ICO register of fee payers under this name.
Not every organisation has to register — some are exempt. An absent entry is a question to ask, not a finding.
Get this company via API
Every field on this page is available as structured JSON behind one endpoint and one API key.
GET /v1/company/gb/10663279
X-Api-Key: $OPENDATA_KEYFrequently asked questions
What is the company number of SIENA DEXTER CONSULTANCY LTD?▾
Where is SIENA DEXTER CONSULTANCY LTD registered?▾
What is the SIC code of SIENA DEXTER CONSULTANCY LTD?▾
Who controls SIENA DEXTER CONSULTANCY LTD?▾
When are the next accounts of SIENA DEXTER CONSULTANCY LTD due?▾
About SIENA DEXTER CONSULTANCY LTD (10663279)
SIENA DEXTER CONSULTANCY LTD is a private limited company incorporated on 10 March 2017 and registered in the United Kingdom under company number 10663279. Its registered office is at 67 NEWLAND STREET, WITHAM, ESSEX, CM8 1AA, ENGLAND. The recorded nature of business is advertising agencies (SIC 73110). The company is currently active , with statutory accounts last made up to 30 September 2025. , and the person with significant control is Ms Siena Dexter. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.
Companies at the same registered office
Advertising agencies across UK registers
The same sector and the same company, seen through every register we hold
Explore by sector
Every UK company records what it does as a SIC code — browse the sectors around this one.