NIOX GROUP PLC

United Kingdom · Company number 05822706

NIOX GROUP PLC is a public limited company registered with Companies House under company number 05822706. It was incorporated on 19 May 2006, 20 years ago. The registered office is in Oxford (OX4 4GA), England. Its main activity is SIC 2007 code 70100 (Activities of head offices). The register lists its status as Active.

Status	Active
Company number	05822706
Legal form	Public Limited Company
Incorporated	19 May 2006
Registered office	Magdalen Centre 1 Robert Robinson Ave, The Oxford Science Park, Oxford OX4 4GA, England
Activity (SIC 2007)	70100 Activities of head offices
Accounts category	Group
Last accounts made up to	31 December 2025
Next accounts due	30 June 2027
Next confirmation statement due	2 June 2027
Charges (mortgages)	2 registered, 0 outstanding

Previous names

CIRCASSIA GROUP PLC until 1 September 2022
CIRCASSIA PHARMACEUTICALS PLC until 30 April 2020
CIRCASSIA PHARMACEUTICALS LIMITED until 24 February 2014
CIRCASSIA HOLDINGS LIMITED until 24 February 2014

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Links: 70100 companies · companies in Oxford · incorporated in May 2006 · UK company check

Source: Companies House Free Company Data Product, Open Government Licence v3.0. Data version 2026-11-01.