opendata.bot
Company number
OC404386

MAINSTREAM CAPITAL PARTNERS LLP

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

Company details

Yorkshire and The Humber, England Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Registered name
MAINSTREAM CAPITAL PARTNERS LLP
Company number
OC404386
Registered office
GROUND FLOOR, TECHNO CENTRE, STATION ROAD, HORSFORTH, LEEDS, LS18 5BJ, UNITED KINGDOM · 458 other companies at this postcode
Company type
Limited Liability Partnership
Incorporated on
17 February 2016
Status
Active
Age
10 years
Previous names
FENN PARTNERSHIP LLP (to 29 Feb 2016)
Accounts — next due
30 Dec 2026
Accounts — last made up to
31 Mar 2025
Confirmation statement — next due
02 Mar 2027
Confirmation statement — last
16 Feb 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.

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

Mr Jeremy Mark Fenn
significant influence or control limited liability partnership
Notified 01/01/2017

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

Mr Jeremy Mark Fenn
born 01/1963 · England significant influence or control limited liability partnership Notified 01/01/2017 Controls 18 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
01/01/2017 Person with significant control added Mr Jeremy Mark Fenn
29/02/2016 Registered name changed FENN PARTNERSHIP LLP MAINSTREAM CAPITAL PARTNERS LLP

Financial highlights

Parsed from the filed statutory accounts (£ thousands, except employees)

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2025FY2024
Employees (avg) 0 0

Documents for MAINSTREAM CAPITAL PARTNERS LLP

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.

PDF Order
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

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/OC404386
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of MAINSTREAM CAPITAL PARTNERS LLP?
According to the official registry, the company number of MAINSTREAM CAPITAL PARTNERS LLP is OC404386.
Where is MAINSTREAM CAPITAL PARTNERS LLP registered?
The registered office is GROUND FLOOR, TECHNO CENTRE, STATION ROAD, HORSFORTH, LEEDS, LS18 5BJ, UNITED KINGDOM.
Who controls MAINSTREAM CAPITAL PARTNERS LLP?
Mr Jeremy Mark Fenn is recorded as a person with significant control, and significant influence or control limited liability partnership.
When are the next accounts of MAINSTREAM CAPITAL PARTNERS LLP due?
The next annual accounts are due by 30 December 2026, and the last accounts were made up to 31 March 2025.

About MAINSTREAM CAPITAL PARTNERS LLP (OC404386)

MAINSTREAM CAPITAL PARTNERS LLP is a limited liability partnership incorporated on 17 February 2016 and registered in the United Kingdom under company number OC404386. Its registered office is at GROUND FLOOR, TECHNO CENTRE, STATION ROAD, HORSFORTH, LEEDS, LS18 5BJ, UNITED KINGDOM. The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is Mr Jeremy Mark Fenn. 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

SIC 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.