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Tethrix Ltd

ActiveCompany number 05314289Private limited companyEst. 200470221 · Financial managementCity of Westminster, London
Official record ↗
Age21 years
older than 95% of its sector
Same activity, United Kingdom16,283live companies · 855th oldest
In City of Westminster163,540live companies · 899 in the same activity
At this address8live companies incl. this one
Latest accounts2025dormant company accounts, made up to 31 Dec 2025

In brief

Tethrix Ltd is a private limited company incorporated in England and Wales on 15 December 2004. At 21 years old it is older than 95% of the 16,283 live companies whose main activity is financial management. Its registered office is in City of Westminster, Westminster, London, at an address shared with 7 other live companies. 899 live companies in City of Westminster share the same main activity. Its latest accounts were made up to 31 December 2025 and filed as dormant company accounts. It was previously called Carat Finance Limited, a name it changed on 11 December 2025.

Register details

Registered nameTETHRIX LTD
Company number05314289
Company typePrivate Limited Company
Registered officeCarlyle House, Lower Ground Floor, 235 - 237 Vauxhall Bridge Road, SW1V 1AU London
JurisdictionEngland and Wales
Nature of business (UK SIC 2007)70221 Financial management
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 upDormant company accounts
  • Name changedPreviously Carat Finance Limited
  • Incorporated

Filings and charges

Deadlines and charge counts from the register.

Next accounts due30 September 2027
Accounting reference date31 December
Next confirmation statement11 September 2027
Last confirmation statement28 August 2026
Charges registered0
Outstanding · satisfied0 · 0

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

Financial management in the United Kingdom

Live companies whose main activity is 70221: 16,283 in total, median age 6 years, 1,703 incorporated in the past 12 months.

All 16,283 companies
This company's decadeOther decades
02,5005,0007,50010,0001910s: 11910s1920s: 31920s1930s: 81930s1940s: 31940s1950s: 31950s1960s: 71960s1970s: 211970s1980s: 961980s1990s: 2701990s2000s: 1,2092000s2010s: 6,2782010s2020s: 8,3842020s
Incorporated per year, still live
05001,0001,5002,0002011: 37420112012: 4762013: 51720132014: 6012015: 61620152016: 6772017: 79120172018: 9652019: 1,01720192020: 1,0122021: 86720212022: 9472023: 1,06320232024: 1,3132025: 1,83120252026: 1,351

Location

Registered office in City of Westminster, Westminster, London.

City of Westminster
Live companies in City of Westminster163,540
Same activity in City of Westminster899
Live companies in Westminster164,765
New in City of Westminster, past 12 months19,587

Also registered at this address

7 other live companies share this registered office.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
OS
Optim Solutions LimitedCity of Westminster, London
Number 05318713Est. 2004
RI
Renuka International LimitedCity of Westminster, London
Number 05272733Est. 2004
NC
Nestoak Corporation LimitedCity of Westminster, London
Number 05380231Est. 2005
RC
RM Consultants Worldwide LimitedCity of Westminster, London
Number 05414379Est. 2005
SS
Smartsense Services LtdCity of Westminster, London
Number 05431979Est. 2005
NO
Neon One LimitedCity of Westminster, London
Number 05199774Est. 2004

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.