Firmoscan
Active04457277Private limited companyLittle Bookham

CRITICAL SYSTEMS ENGINEERING LIMITED

Significant control: Mariena Chandrasugantham Somasundaram (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Critical Systems Engineering Limited sell?

Registered activity: Other professional, scientific and technical activities n.e.c. (SIC 74909). 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

CRITICAL SYSTEMS ENGINEERING LIMITED is an active private limited company (company number 04457277) incorporated on 10 June 2002, registered in Little Bookham. Its registered activity is other professional, scientific and technical activities n.e.c. (SIC 74909). Accounts are on file at Companies House (micro entity) but not yet parsed into this record.

There are 3,982 companies in other professional, scientific and technical activities n.e.c. in Greater London with filed accounts; the median reports net assets of £6,072 and is 11 years old.

02

Ownership and control

1 active
  • Mariena Chandrasugantham Somasundaram
    Individual · since 11 June 2016
    • 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
10 June 200224 yrs ago
First accounts due
10 March 20048263 days overdue
Confirmation statement due
24 June 2027in 243 days

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

04

Activity

SIC 74909
Other professional, scientific and technical activities n.e.c.
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 five or more years agoIncorporated 10 June 2002
  • Accounts past their due dateDue 10 March 2004

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 243 days
  2. First accounts due8263 days overdue
  3. Incorporated
08

Similar companies in Greater London

Same activity (other professional, scientific and technical activities n.e.c.), closest in incorporation date

All companies incorporated on 10 June 2002 · in Jun 2002.

09

Reminders for CRITICAL SYSTEMS ENGINEERING LIMITED

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).