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Company number
12487353

BLUE SEO LTD

Active
✓ Active company on the official register. Next accounts due 31 December 2026.

Company details

Registered name
BLUE SEO LTD
Company number
12487353
Registered office
BLUE COURT, MARK ROAD, HEMEL HEMPSTEAD, HERTFORDSHIRE, HP2 7DN, ENGLAND
Company type
Private Limited Company
Incorporated on
27 February 2020
Status
Active
Age
6 years
Nature of business (SIC)
73110 — Advertising agencies
Accounts — next due
31 Dec 2026
Accounts — last made up to
31 Mar 2025
Confirmation statement — next due
12 Mar 2027
Confirmation statement — last
26 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 Daniel Marek Lukaszewski
ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors
Notified 27/02/2020

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 Daniel Marek Lukaszewski
born 07/1985 · England owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Notified 27/02/2020 Controls 4 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
27/02/2020 Person with significant control added Mr Daniel Marek Lukaszewski

Documents for BLUE SEO LTD

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.

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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.

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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GET /v1/company/gb/12487353
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Read the API docs

Frequently asked questions

What is the company number of BLUE SEO LTD?
According to the official registry, the company number of BLUE SEO LTD is 12487353.
Where is BLUE SEO LTD registered?
The registered office is BLUE COURT, MARK ROAD, HEMEL HEMPSTEAD, HERTFORDSHIRE, HP2 7DN, ENGLAND.
What is the SIC code of BLUE SEO LTD?
The nature of business is recorded under SIC code 73110 — Advertising agencies.
Who controls BLUE SEO LTD?
Mr Daniel Marek Lukaszewski is recorded as a person with significant control, with ownership of shares 75 to 100 percent, voting rights 75 to 100 percent, right to appoint and remove directors.
When are the next accounts of BLUE SEO LTD due?
The next annual accounts are due by 31 December 2026, and the last accounts were made up to 31 March 2025.

About BLUE SEO LTD (12487353)

BLUE SEO LTD is a private limited company incorporated on 27 February 2020 and registered in the United Kingdom under company number 12487353. Its registered office is at BLUE COURT, MARK ROAD, HEMEL HEMPSTEAD, HERTFORDSHIRE, HP2 7DN, ENGLAND. The recorded nature of business is advertising agencies (SIC 73110). The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is Mr Daniel Marek Lukaszewski. 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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