Site Testing Ltd
In brief
Site Testing Ltd is a private limited company incorporated in England and Wales on 20 February 2015. At 11 years old it is older than 76% of the 32,215 live companies whose main activity is specialised design activities. Its registered office is in Hatfield, Welwyn Hatfield, East of England, at an address shared with 5 other live companies. 19 live companies in Hatfield share the same main activity. Its latest accounts were made up to 30 April 2025 and filed as micro-entity accounts. It was previously called CJN Developments Limited, a name it changed on 12 December 2018.
Register details
Timeline
Register events, newest first.
- Confirmation statement made up
- Accounts made upMicro-entity accounts
- Name changedPreviously CJN Developments Limited
- Incorporated
Filings and charges
Deadlines and charge counts from the register.
Charges are security interests (such as mortgages) registered against the company.
specialised design activities in the United Kingdom
Live companies whose main activity is 74100: 32,215 in total, median age 6 years, 3,312 incorporated in the past 12 months.
Location
Registered office in Hatfield, Welwyn Hatfield, East of England.
Also registered at this address
5 other live companies share this registered office.
- TGTreymore Group Limited10089655 · Est. 2016 · 81100
- BEBriary Energy Limited10344349 · Est. 2016 · 74901
- KCKaizen Certification Ltd14468703 · Est. 2022 · 94120
- WGWilgenry Group Holdings Limited15181251 · Est. 2023 · 64209
- WSWilgenry Software Limited17392061 · Est. 2026 · 62012
Similar companies
Live companies with the same main activity, nearest first.
Sources
Register data: Companies House, Free Company Data Product, delivery of 1 October 2026. Places: ONS Postcode Directory (Open Government Licence v3.0). Sector names: Eurostat NACE Rev. 2. Context figures are computed by FirmsDB from these sources. This page is not an official register; check the official record before relying on it.