Firmoscan
Active17291390Private limited companySunderland

BLACKDIAMONDSWEEP LTD

Significant control: Christoff Bernhard Maria Berlage (75–100%)

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

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What does Blackdiamondsweep Ltd sell?

Registered activity: Furnace and chimney cleaning services (SIC 81223). We’re building product and service lists for UK companies. Get this one when it’s ready.

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01

Summary

Generated from filed data · no estimates

BLACKDIAMONDSWEEP LTD is an active private limited company (company number 17291390) incorporated on 20 June 2026, registered in Sunderland. Its registered activity is furnace and chimney cleaning services (SIC 81223). No accounts have been filed yet; the first accounts are due by 20 March 2028.

There are 243 companies in furnace and chimney cleaning services in the UK with filed accounts; the median reports net assets of £866 and is 6 years old.

02

Ownership and control

1 active
  • Mr Christoff Bernhard Maria Berlage
    Individual · since 20 June 2026
    • owns 75–100% of shares
    • holds 75–100% of voting rights
    • can appoint or remove directors

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.

03

Key dates

Incorporated
20 June 2026under 1 yr ago
First accounts due
20 March 2028in 514 days
Confirmation statement due
4 July 2027in 254 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

04

Activity

SIC 81223
Furnace and chimney cleaning services
Accounts type
No Accounts Filed
05

Financials

No accounts on record

No accounts filed yet. The first accounts are due by 20 March 2028; this page updates when they are filed.

06

Timeline

Newest first
  1. First accounts duein 514 days
  2. Confirmation statement duein 254 days
  3. Incorporated
07

Similar companies in Newcastle

Same activity (furnace and chimney cleaning services), closest in incorporation date

All companies incorporated on 20 June 2026 · in Jun 2026.

08

Reminders for BLACKDIAMONDSWEEP LTD

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.

Source: Companies House register, snapshot 2026-08-31. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.

This information comes from public filings and our automated processing of them. It may contain errors, be incomplete or be out of date, and is not advice or a credit reference. Check the official record before relying on it. Terms · Privacy · Report an error (corrected within one working day).