opendata.bot
Company number
15311159

SIENNA BIDCO LIMITED

Officer · JORDAN, Neil and 9 others
Active
✓ Active company on the official register. Next accounts due 30 September 2026.
4 outstanding charges registered against this company. View charges.

Company details

Registered name
SIENNA BIDCO LIMITED
Company number
15311159
Registered office
PRENNAU HOUSE COPSE WALK, PONTPRENNAU, CARDIFF, CF23 8XH, WALES
Company type
Private Limited Company
Incorporated on
27 November 2023
Status
Active
Age
2 years
Nature of business (SIC)
64209 — Activities of other holding companies n.e.c.
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
10 Dec 2026
Confirmation statement — last
26 Nov 2025

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.

Companies House register snapshot, read 02/09/2026.

Officers

3 active · 7 resigned

secretary
Appointed 15/01/2026
Active
director
Appointed 30/06/2026
Active
director
Appointed 28/01/2026
Active

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

Sienna Midco 3 Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 27/11/2023

Corporate structure

Who controls this company, and who they control in turn

1 controller Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Corporate owner owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Notified 27/11/2023

Serving officers

secretary Appointed 15/01/2026
director Appointed 30/06/2026
director Appointed 28/01/2026

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
13/08/2026 Charge registered A registered charge
13/08/2026 Charge registered A registered charge
30/06/2026 Director resigned WEST, Sean Allan
30/06/2026 Director appointed ROSE, Richard
29/01/2026 Director resigned MORTLOCK, Timothy James
28/01/2026 Director appointed SMYTH, Ian Thomas
16/01/2026 Director resigned VASIU, Ana Maria
16/01/2026 Director resigned MACKE, Nicolas Gilles
15/01/2026 Director resigned MEHRA, Aadhaar
15/01/2026 Director resigned LUO, Yimei
15/01/2026 Director resigned FURZE, Andrew Michael
15/01/2026 Director appointed WEST, Sean Allan
15/01/2026 Secretary appointed JORDAN, Neil
20/03/2025 Director appointed MORTLOCK, Timothy James
17/03/2025 Director appointed MACKE, Nicolas Gilles
11/03/2025 Director appointed VASIU, Ana Maria
22/11/2024 Director appointed LUO, Yimei
31/07/2024 Charge registered A registered charge
12/02/2024 Charge registered A registered charge
06/12/2023 Charge registered A registered charge

Financial highlights

No figures could be read from the accounts filed on 20 Jan 2026. Companies House holds some filings only as a document image, which carries no tagged figures; the filing itself is on the register either way.

Documents for SIENNA BIDCO LIMITED

Need this one company on file? Buy the document on its own — no plan required.

Company extract£1.99

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.

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Financial statements£3.99

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.

PDF + CSV Order
Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

PDF Order

Filing history

Most recent filings

MR01 — mortgage-create-with-deed-with-charge-number-charge-creation-date
mortgage
MR01 — mortgage-create-with-deed-with-charge-number-charge-creation-date
mortgage
AP01 — appoint-person-director-company-with-name-date
officers
TM01 — termination-director-company-with-name-termination-date
officers
AP01 — appoint-person-director-company-with-name-date
officers
TM01 — termination-director-company-with-name-termination-date
officers
AA — accounts-with-accounts-type-audit-exemption-subsiduary
accounts
AP03 — appoint-person-secretary-company-with-name-date
officers
AD01 — change-registered-office-address-company-with-date-old-address-new-address
address
TM01 — termination-director-company-with-name-termination-date
officers
TM01 — termination-director-company-with-name-termination-date
officers
TM01 — termination-director-company-with-name-termination-date
officers
TM01 — termination-director-company-with-name-termination-date
officers
TM01 — termination-director-company-with-name-termination-date
officers
AP01 — appoint-person-director-company-with-name-date
officers
PARENT_ACC — legacy
accounts
GUARANTEE2 — legacy
other
AGREEMENT2 — legacy
other
SH19 — capital-statement-capital-company-with-date-currency-figure
capital
SH20 — legacy
capital
CAP-SS — legacy
insolvency
RESOLUTIONS — resolution
resolution
CS01 — confirmation-statement-with-updates
confirmation-statement
AP01 — appoint-person-director-company-with-name-date
officers
SH19 — capital-statement-capital-company-with-date-currency-figure
capital

Charges

4 outstanding · 1 satisfied

A registered charge — persons entitled: Wilmington Trust (London) Limited (and Its Successors in Title and Permitted Transferees)
outstanding
A registered charge — persons entitled: Wilmington Trust (London) Limited (and Its Successors in Title and Permitted Transferees)
outstanding
A registered charge — persons entitled: Wilmington Trust (London) Limited (as Security Agent) (and Its Successors in Title and Permitted Transferees)
outstanding
A registered charge — persons entitled: Wilmington Trust (London) Limited (and Its Successors in Title and Permitted Transferees)
outstanding
A registered charge — persons entitled: National Westminster Bank PLC (And Its Successors in Title and Permitted Transferees)
fully-satisfied

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

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Read the API docs

Frequently asked questions

What is the company number of SIENNA BIDCO LIMITED?
According to the official registry, the company number of SIENNA BIDCO LIMITED is 15311159.
Where is SIENNA BIDCO LIMITED registered?
The registered office is PRENNAU HOUSE COPSE WALK, PONTPRENNAU, CARDIFF, CF23 8XH, WALES.
Who runs SIENNA BIDCO LIMITED?
JORDAN, Neil is listed among the officers of SIENNA BIDCO LIMITED.
What is the SIC code of SIENNA BIDCO LIMITED?
The nature of business is recorded under SIC code 64209 — Activities of other holding companies n.e.c..
Who controls SIENNA BIDCO LIMITED?
Sienna Midco 3 Limited is recorded as a person with significant control, and owns 75–100% of shares, holds 75–100% of voting rights, can appoint and remove directors.
When are the next accounts of SIENNA BIDCO LIMITED due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.
Does SIENNA BIDCO LIMITED have any outstanding charges?
Yes — 4 outstanding charges are registered against the company, alongside 1 already satisfied.

About SIENNA BIDCO LIMITED (15311159)

SIENNA BIDCO LIMITED is a private limited company incorporated on 27 November 2023 and registered in the United Kingdom under company number 15311159. Its registered office is at PRENNAU HOUSE COPSE WALK, PONTPRENNAU, CARDIFF, CF23 8XH, WALES. The recorded nature of business is activities of other holding companies n.e.c. (SIC 64209). The company is currently active , with statutory accounts last made up to 31 December 2024. 10 active officers are on record , and the person with significant control is Sienna Midco 3 Limited. 4 outstanding charges are registered against it. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 8 September 2026.

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