Data from the official company registers of 12 countries. Not an official register.

English

Niox Group plc

Age20 years
older than 63% of its sector
Same activity, United Kingdom27,302live companies · 10119th oldest
In Oxford9,988live companies · 75 in the same activity
At this address3live companies incl. this one
Latest accounts2025group accounts, made up to 31 Dec 2025

In brief

Niox Group plc is a public limited company incorporated in England and Wales on 19 May 2006. At 20 years old it is older than 63% of the 27,302 live companies whose main activity is activities of head offices. Its registered office is in Oxford, South East, at an address shared with 2 other live companies. 75 live companies in Oxford share the same main activity. Its latest accounts were made up to 31 December 2025 and filed as group accounts. It was previously called Circassia Group plc, a name it changed on 1 September 2022, and has had 4 earlier names in all.

Register details

Registered nameNIOX GROUP PLC
Company number05822706
Company typePublic Limited Company
Registered officeMagdalen Centre 1 Robert Robinson Ave, the Oxford Science Park, OX4 4GA Oxford
JurisdictionEngland and Wales
Nature of business (UK SIC 2007)70100 Activities of head offices
International sector (ISIC Rev.4)M · 70 Activities of head offices; management consultancy activities

Timeline

Register events, newest first.

  • Confirmation statement made up
  • Accounts made upGroup accounts
  • Name changedPreviously Circassia Group plc
  • Name changedPreviously Circassia Pharmaceuticals plc
  • Name changedPreviously Circassia Holdings Limited
  • Name changedPreviously Circassia Pharmaceuticals Limited
  • Incorporated

Filings and charges

Deadlines and charge counts from the register.

Next accounts due30 June 2027
Accounting reference date31 December
Next confirmation statement2 June 2027
Last confirmation statement19 May 2026
Charges registered2
Outstanding · satisfied0 · 2

Charges are security interests (such as mortgages) registered against the company.

Activities of head offices in the United Kingdom

Live companies whose main activity is 70100: 27,302 in total, median age 16 years, 881 incorporated in the past 12 months.

All 27,302 companies
This company's decadeOther decades
02,5005,0007,50010,0001850s: 11850s1860s: 41860s1870s: 61870s1880s: 171880s1890s: 601890s1900s: 621900s1910s: 731910s1920s: 1331920s1930s: 1531930s1940s: 1431940s1950s: 2181950s1960s: 3541960s1970s: 5561970s1980s: 1,2731980s1990s: 2,7631990s2000s: 7,4362000s2010s: 9,2092010s2020s: 4,8412020s
Incorporated per year, still live
05001,0001,5002,0002011: 79420112012: 8252013: 95520132014: 1,1402015: 1,20620152016: 9922017: 88020172018: 7582019: 80720192020: 7062021: 61720212022: 6272023: 67420232024: 6972025: 79520252026: 725

Location

Registered office in Oxford, South East.

Oxford
Live companies in Oxford9,988
Same activity in Oxford75
New in Oxford, past 12 months1,105

Also registered at this address

2 other live companies share this registered office.

Similar companies

Live companies with the same main activity, nearest first.

Compare all

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.