Firmoscan
Active12602580Private limited companyNorthampton

SJ & CO BUILD LTD

Significant control: Slawomir Jozef Jankowski (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Sj & Co Build Ltd sell?

Registered activity: Construction of domestic buildings (SIC 41202). 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

SJ & CO BUILD LTD is an active private limited company (company number 12602580) incorporated on 14 May 2020, registered in Northampton. Its registered activity is construction of domestic buildings (SIC 41202). Accounts are on file at Companies House (dormant) but not yet parsed into this record.

There are 522 companies in construction of domestic buildings in Northampton with filed accounts; the median reports net assets of £2,759 and is 6 years old.

02

Ownership and control

1 active
  • Mr Slawomir Jozef Jankowski
    Individual · since 14 May 2020
    • 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
14 May 20206 yrs ago
First accounts due
14 February 20221715 days overdue
Confirmation statement due
28 May 2027in 214 days

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

04

Activity

SIC 41202
Construction of domestic buildings
SIC 43290
Other construction installation
SIC 43390
Other building completion and finishing
SIC 43999
Other specialised construction activities n.e.c.
Accounts type
Dormant
05

Financials

No accounts on record

Accounts exist on the register but their figures are not in this dataset yet.

06

Filing and accounts signals

Facts from the register · no rating
  • Incorporated five or more years agoIncorporated 14 May 2020
  • Accounts past their due dateDue 14 February 2022

Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.

07

Timeline

Newest first
  1. Confirmation statement duein 214 days
  2. First accounts due1715 days overdue
  3. Incorporated
08

Similar companies in Northampton

Same activity (construction of domestic buildings), closest in incorporation date

All companies incorporated on 14 May 2020 · in May 2020.

09

Reminders for SJ & CO BUILD 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).