Firmoscan
Active11704163Private limited companyLondon

BLACKBOX-UK LTD

Significant control: Paul James Smith (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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

Watch this company

Get an email when Companies House records a change for Blackbox-UK Ltd: status, filings, accounts, officers or owners. Free.

Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy

Coming soon · product and service lists

What does Blackbox-UK Ltd sell?

Registered activity: Wireless telecommunications activities (SIC 61200). We’re building product and service lists for UK companies. Get this one when it’s ready.

One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01

Summary

Generated from filed data · no estimates

BLACKBOX-UK LTD is an active private limited company (company number 11704163) incorporated on 29 November 2018, registered in London. Its registered activity is wireless telecommunications activities (SIC 61200). Accounts are on file at Companies House (micro entity) but not yet parsed into this record.

There are 340 companies in wireless telecommunications activities in London with filed accounts; the median reports net assets of £1,749 and is 8 years old.

02

Ownership and control

1 active
  • Mr Paul James Smith
    Individual · since 29 November 2018
    • owns 75–100% of shares

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
29 November 20187 yrs ago
First accounts due
29 August 20202248 days overdue
Confirmation statement due
13 December 2026in 49 days

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

04

Activity

SIC 61200
Wireless telecommunications activities
SIC 61300
Satellite telecommunications activities
SIC 62020
Information technology consultancy activities
SIC 71122
Engineering related scientific and technical consulting 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 five or more years agoIncorporated 29 November 2018
  • Accounts past their due dateDue 29 August 2020

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 49 days
  2. First accounts due2248 days overdue
  3. Incorporated
08

Similar companies in London

Same activity (wireless telecommunications activities), closest in incorporation date

All companies incorporated on 29 November 2018 · in Nov 2018.

09

Reminders for BLACKBOX-UK 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).