opendata.bot
Company number
SO307415

CASTLE MOUNT IMPACT PARTNERS GP LLP

Active
✓ Active company on the official register. Next accounts due 30 September 2026.

Company details

Registered name
CASTLE MOUNT IMPACT PARTNERS GP LLP
Company number
SO307415
Registered office
6TH FLOOR QUARTERMILE 4, 7A NIGHTINGALE WAY, EDINBURGH, EH3 9EG, SCOTLAND
Company type
Limited Liability Partnership
Incorporated on
4 November 2021
Status
Active
Age
4 years
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
17 Nov 2026
Confirmation statement — last
03 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.

People with significant control

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

Columbia Threadneedle Am (Holdings) Limited
voting rights 75 to 100 percent limited liability partnership · right to share surplus assets 75 to 100 percent limited liability partnership · right to appoint and remove members limited liability partnership
Notified 04/11/2021
Columbia Threadneedle Investment Business Limited
significant influence or control limited liability partnership
Notified 04/11/2021

Corporate structure

Who controls this company, and who they control in turn

2 controllers Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Corporate owner voting rights 75 to 100 percent limited liability partnership · right to share surplus assets 75 to 100 percent limited liability partnership · right to appoint and remove members limited liability partnership Notified 04/11/2021 Controls 28 companies
Corporate owner significant influence or control limited liability partnership Notified 04/11/2021 Controls 8 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
04/11/2021 Person with significant control added Columbia Threadneedle Investment Business Limited
04/11/2021 Person with significant control added Columbia Threadneedle Am (Holdings) Limited

Documents for CASTLE MOUNT IMPACT PARTNERS GP LLP

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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.

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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.

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Data protection register

No entry found on the ICO register of fee payers under this name.

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Get this company via API

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Read the API docs

Frequently asked questions

What is the company number of CASTLE MOUNT IMPACT PARTNERS GP LLP?
According to the official registry, the company number of CASTLE MOUNT IMPACT PARTNERS GP LLP is SO307415.
Where is CASTLE MOUNT IMPACT PARTNERS GP LLP registered?
The registered office is 6TH FLOOR QUARTERMILE 4, 7A NIGHTINGALE WAY, EDINBURGH, EH3 9EG, SCOTLAND.
Who controls CASTLE MOUNT IMPACT PARTNERS GP LLP?
Columbia Threadneedle Am (Holdings) Limited is recorded as a person with significant control, and voting rights 75 to 100 percent limited liability partnership, right to share surplus assets 75 to 100 percent limited liability partnership, right to appoint and remove members limited liability partnership.
When are the next accounts of CASTLE MOUNT IMPACT PARTNERS GP LLP due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About CASTLE MOUNT IMPACT PARTNERS GP LLP (SO307415)

CASTLE MOUNT IMPACT PARTNERS GP LLP is a limited liability partnership incorporated on 4 November 2021 and registered in the United Kingdom under company number SO307415. Its registered office is at 6TH FLOOR QUARTERMILE 4, 7A NIGHTINGALE WAY, EDINBURGH, EH3 9EG, SCOTLAND. The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Columbia Threadneedle Am (Holdings) Limited. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

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