SDL SECURITY LTD
Company details
| Company number | 05518730 |
|---|---|
| Status | Active |
| Company type | Private Limited Company |
| Incorporated | 26 July 2005 |
| Registered office | 52 HIGH STREET, PINNER, MIDDX, HA5 5PW · More companies in HA5 |
| Nature of business (SIC) | 43210 — Electrical installation 80300 — Investigation activities |
| Accounting reference date | 28 July |
| Next accounts due | 28 April 2027 (last made up to 31 July 2025) |
| Last accounts type | Total Exemption Full |
| Next confirmation statement due | 8 August 2027 (last made up to 25 July 2026) |
Source: Companies House Free Company Data Product, 1 November 2026. View filing history, officers and PSCs on Companies House.
Summary
SDL SECURITY LTD is a private limited company registered in the UK under company number 05518730. It was incorporated on 26 July 2005 and its current status is active.
The registered office address is 52 HIGH STREET, PINNER, MIDDX, HA5 5PW.
Its declared nature of business is electrical installation (SIC 43210); investigation activities (SIC 80300).
The next accounts are due by 28 April 2027 and the next confirmation statement by 8 August 2027.
About SDL SECURITY LTD
Company type and jurisdiction
SDL SECURITY LTD is a private company limited by shares. Its owners (shareholders) are only liable for its debts up to the value of their shares, it must have at least one director, and its shares cannot be offered to the public. Its company number 05518730 shows it was registered in England and Wales, so its records are kept by Companies House in Cardiff. It has been on the register for 21 years and 3 months.
What SDL SECURITY LTD does
On the public register, SDL SECURITY LTD lists 2 activities using the UK Standard Industrial Classification (SIC 2007): electrical installation (43210); investigation activities (80300). This places it in the construction section of the economy. SIC codes describe what a company says it does; they are not a licence and are not checked by Companies House. See other companies with the same SIC code.
Where SDL SECURITY LTD is registered
Its registered office is in Middx (postcode district HA5). The registered office is the official address for letters from Companies House, HMRC and the courts. It must be in the same UK jurisdiction where the company was registered, but it does not have to be where the business trades: many companies use their accountant's or a formation agent's address. Browse other companies in HA5.
Accounts and filing deadlines
SDL SECURITY LTD must file its next annual accounts by 28 April 2027. The last accounts on the register were small company accounts exempt from audit. Its next confirmation statement, which confirms its officers, shareholders and registered office are up to date, is due by 8 August 2027. A private company that files its accounts late gets an automatic penalty of £150 if they are up to one month late, rising to £375, £750 and £1,500 after six months, and the penalty is doubled if accounts are late two years in a row. A company that does not file a confirmation statement can be struck off the register.
Before you do business with SDL SECURITY LTD
Check that the company name and number on its invoices and website match 05518730, read its latest accounts and confirmation statement, and look up its directors and people with significant control on the official register. If it charges VAT, ask for its VAT number and check it with our VAT number checker: a company number and a VAT number are different things. How to check a UK company.
Frequently asked questions
What is the company number of SDL SECURITY LTD?
The Companies House company number of SDL SECURITY LTD is 05518730.
Is SDL SECURITY LTD still trading?
SDL SECURITY LTD is listed as active on the Companies House register.
What is the registered office address of SDL SECURITY LTD?
The registered office of SDL SECURITY LTD is 52 HIGH STREET, PINNER, MIDDX, HA5 5PW.
When was SDL SECURITY LTD incorporated?
SDL SECURITY LTD was incorporated on 26 July 2005.
What does SDL SECURITY LTD do?
Its nature of business (SIC) is: 43210 - Electrical installation; 80300 - Investigation activities.
When are SDL SECURITY LTD's next accounts due?
The next accounts of SDL SECURITY LTD are due by 28 April 2027.
When is SDL SECURITY LTD's confirmation statement due?
The next confirmation statement of SDL SECURITY LTD is due by 8 August 2027.
How old is SDL SECURITY LTD?
SDL SECURITY LTD was incorporated on 26 July 2005, so it is 21 years and 3 months old.
Who are the directors of SDL SECURITY LTD?
The current directors, secretaries and people with significant control of SDL SECURITY LTD are listed on the officers page of company 05518730 on the Companies House website.
What is the VAT number of SDL SECURITY LTD?
VAT numbers are issued by HMRC, not Companies House, and are not part of the company record. Ask SDL SECURITY LTD for its VAT number (GB followed by 9 digits) and check it with a VAT number checker.