NIOX GROUP PLC
Company details
- Registered name
- NIOX GROUP PLC
- Company number
- 05822706
- Registered office
- MAGDALEN CENTRE 1 ROBERT ROBINSON AVE, THE OXFORD SCIENCE PARK, OXFORD, OX4 4GA, ENGLAND · 70 other companies at this postcode
- Company type
- Public Limited Company
- Incorporated on
- 19 May 2006
- Status
- Active
- Age
- 20 years
- Previous names
- CIRCASSIA GROUP PLC (to 01 Sept 2022) · CIRCASSIA PHARMACEUTICALS PLC (to 01 Sept 2022) · CIRCASSIA PHARMACEUTICALS LIMITED (to 01 Sept 2022) · CIRCASSIA HOLDINGS LIMITED (to 01 Sept 2022)
- Nature of business (SIC)
- 70100 — Activities of head offices
- Accounts — next due
- 30 Jun 2027
- Accounts — last made up to
- 31 Dec 2025
- Confirmation statement — next due
- 02 Jun 2027
- Confirmation statement — last
- 19 May 2026
What the register says
Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.
- Has traded under 5 names: CIRCASSIA GROUP PLC, CIRCASSIA PHARMACEUTICALS PLC, CIRCASSIA PHARMACEUTICALS LIMITED, CIRCASSIA HOLDINGS LIMITED.
Companies House register snapshot, read 02/09/2026.
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 01/09/2022 | Registered name changed | CIRCASSIA HOLDINGS LIMITED | CIRCASSIA PHARMACEUTICALS LIMITED |
| 01/09/2022 | Registered name changed | CIRCASSIA PHARMACEUTICALS LIMITED | CIRCASSIA PHARMACEUTICALS PLC |
| 01/09/2022 | Registered name changed | CIRCASSIA PHARMACEUTICALS PLC | CIRCASSIA GROUP PLC |
| 01/09/2022 | Registered name changed | CIRCASSIA GROUP PLC | NIOX GROUP PLC |
Documents for NIOX GROUP PLC
Need this one company on file? Buy the document on its own — no plan required.
The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.
Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.
Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
Data protection register
Registered with the Information Commissioner's Office as a data protection fee payer.
The ICO publishes no company number, so this is matched on the registered name . Check the ICO entry before relying on it.
Get this company via API
Every field on this page is available as structured JSON behind one endpoint and one API key.
GET /v1/company/gb/05822706
X-Api-Key: $OPENDATA_KEYFrequently asked questions
What is the company number of NIOX GROUP PLC?▾
Where is NIOX GROUP PLC registered?▾
What is the SIC code of NIOX GROUP PLC?▾
When are the next accounts of NIOX GROUP PLC due?▾
About NIOX GROUP PLC (05822706)
NIOX GROUP PLC is a public limited company incorporated on 19 May 2006 and registered in the United Kingdom under company number 05822706. Its registered office is at MAGDALEN CENTRE 1 ROBERT ROBINSON AVE, THE OXFORD SCIENCE PARK, OXFORD, OX4 4GA, ENGLAND. The recorded nature of business is activities of head offices (SIC 70100). The company is currently active , with statutory accounts last made up to 31 December 2025. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.
Companies at the same registered office
Activities of head offices across UK registers
The same sector and the same company, seen through every register we hold
Explore by sector
Every UK company records what it does as a SIC code — browse the sectors around this one.