Firmoscan
Active15230748Private limited companyOldbury

CASTELLUM SECURITY SYSTEMS LIMITED

Significant control: Mark Colin Bennett (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Castellum Security Systems Limited sell?

Registered activity: Security systems service activities (SIC 80200). 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

CASTELLUM SECURITY SYSTEMS LIMITED is an active private limited company (company number 15230748) incorporated on 24 October 2023, registered in Oldbury. Its registered activity is security systems service activities (SIC 80200). Accounts are on file at Companies House (micro entity) but not yet parsed into this record.

There are 258 companies in security systems service activities in Birmingham with filed accounts; the median reports net assets of £6,171 and is 9 years old.

02

Ownership and control

1 active
  • Mr Mark Colin Bennett
    Individual · since 24 October 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
24 October 20233 yrs ago
First accounts due
24 July 2025459 days overdue
Confirmation statement due
7 November 2026in 12 days

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

04

Activity

SIC 80200
Security systems service 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 24 October 2023
  • Accounts past their due dateDue 24 July 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 They are not a rating, a prediction or advice, and may be incomplete or out of date.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 12 days
  2. First accounts due459 days overdue
  3. Incorporated
08

Similar companies in Birmingham

Same activity (security systems service activities), closest in incorporation date

All companies incorporated on 24 October 2023 · in Oct 2023.

09

Reminders for CASTELLUM SECURITY SYSTEMS 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).