opendata.bot
Company number
12419944

OPCO LONDON & ASSOCIATES LTD

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

Company details

Registered name
OPCO LONDON & ASSOCIATES LTD
Company number
12419944
Registered office
139F ROTHERHITHE STREET, LONDON, SE16 5QT, ENGLAND
Company type
Private Limited Company
Incorporated on
23 January 2020
Status
Active
Age
6 years
Nature of business (SIC)
70229 — Management consultancy activities other than financial management
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
05 Feb 2027
Confirmation statement — last
22 Jan 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 Thomas Mielke
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 23/01/2020
Project: Spannungsbogen Ltd.
owns 75–100% of shares · holds 75–100% of voting rights
Notified 05/07/2023

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 owns 75–100% of shares · holds 75–100% of votes Notified 05/07/2023 Controls 2 companies
Mr Thomas Mielke
born 10/1982 · United Kingdom owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Control ended 05/07/2023 Controls 2 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
05/07/2023 Person with significant control ceased Mr Thomas Mielke
05/07/2023 Person with significant control added Project: Spannungsbogen Ltd.
23/01/2020 Person with significant control added Mr Thomas Mielke

Documents for OPCO LONDON & ASSOCIATES LTD

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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

Registered with the Information Commissioner's Office as a data protection fee payer.

Opco London & Associates Ltd — SE16 5QT
Trading as d/b/a AETHOS Consulting Group
Tier 1 · renews 21/04/2027
ICO entry

The ICO publishes no company number, so this is matched on the registered name and confirmed by the postcode. Check the ICO entry before relying on it.

Get this company via API

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GET /v1/company/gb/12419944
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of OPCO LONDON & ASSOCIATES LTD?
According to the official registry, the company number of OPCO LONDON & ASSOCIATES LTD is 12419944.
Where is OPCO LONDON & ASSOCIATES LTD registered?
The registered office is 139F ROTHERHITHE STREET, LONDON, SE16 5QT, ENGLAND.
What is the SIC code of OPCO LONDON & ASSOCIATES LTD?
The nature of business is recorded under SIC code 70229 — Management consultancy activities other than financial management.
Who controls OPCO LONDON & ASSOCIATES LTD?
Mr Thomas Mielke 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 OPCO LONDON & ASSOCIATES LTD due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About OPCO LONDON & ASSOCIATES LTD (12419944)

OPCO LONDON & ASSOCIATES LTD is a private limited company incorporated on 23 January 2020 and registered in the United Kingdom under company number 12419944. Its registered office is at 139F ROTHERHITHE STREET, LONDON, SE16 5QT, ENGLAND. The recorded nature of business is management consultancy activities other than financial management (SIC 70229). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Mr Thomas Mielke. 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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