Firmoscan
Active14775322Private limited companyRainham

SI CIVILS LTD

Significant control: Szymon Marek Dziwalski (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Si Civils Ltd sell?

Registered activity: Construction of other civil engineering projects n.e.c. (SIC 42990). 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

SI CIVILS LTD is an active private limited company (company number 14775322) incorporated on 3 April 2023, registered in Rainham. Its registered activity is construction of other civil engineering projects n.e.c. (SIC 42990). Accounts are on file at Companies House (micro entity) but not yet parsed into this record.

There are 1,111 companies in construction of other civil engineering projects n.e.c. in Greater London with filed accounts; the median reports net assets of £8,090 and is 11 years old.

02

Ownership and control

1 active
  • Mr Szymon Marek Dziwalski
    Individual · since 3 April 2023
    • 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
3 April 20233 yrs ago
First accounts due
3 January 2025661 days overdue
Confirmation statement due
17 April 2027in 173 days

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

04

Activity

SIC 42990
Construction of other civil engineering projects n.e.c.
SIC 71129
Other engineering activities
Accounts type
Micro Entity
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 two to five years agoIncorporated 3 April 2023
  • Accounts past their due dateDue 3 January 2025

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 They are not a rating, a prediction or advice, and may be incomplete or out of date.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 173 days
  2. First accounts due661 days overdue
  3. Incorporated
08

Similar companies in Greater London

Same activity (construction of other civil engineering projects n.e.c.), closest in incorporation date

All companies incorporated on 3 April 2023 · in Apr 2023.

09

Reminders for SI CIVILS 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).