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Cobalt Cube Ltd

ActiveCompany number 07435017Private limited companyEst. 201070221 · Financial managementCity of Westminster, London
Official record ↗
Age15 years
older than 89% of its sector
Same activity, United Kingdom16,283live companies · 1827th oldest
In City of Westminster163,540live companies · 899 in the same activity
At this address4,867live companies incl. this one
Latest accounts2025total exemption full accounts, made up to 31 Mar 2025

In brief

Cobalt Cube Ltd is a private limited company incorporated in England and Wales on 10 November 2010. At 15 years old it is older than 89% 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 4,866 other live companies. 899 live companies in City of Westminster share the same main activity. Its latest accounts were made up to 31 March 2025 and filed as total exemption full accounts. It was previously called Hari Voyantzis Ltd, a name it changed on 6 July 2012, and has had 2 earlier names in all.

Register details

Registered nameCOBALT CUBE LTD
Company number07435017
Company typePrivate Limited Company
Registered office7 Bell Yard, WC2A 2JR London
JurisdictionEngland and Wales
Nature of business (UK SIC 2007)70221 Financial management · 70229 Management consultancy activities other than 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 upTotal exemption full accounts
  • Name changedPreviously Hari Voyantzis Ltd
  • Name changedPreviously Hypsous Limited
  • Incorporated

Filings and charges

Deadlines and charge counts from the register.

Next accounts due31 December 2026
Accounting reference date31 March
Next confirmation statement24 November 2026
Last confirmation statement10 November 2025
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

4,866 other live companies share this registered office; shown are those incorporated closest in time to this one.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
OP
Omni Partners Trustee LimitedCity of Westminster, London
Number 07449219Est. 2010
AC
Athina Consulting LimitedCity of Westminster, London
Number 07465242Est. 2010
GM
Gsa Member LimitedCity of Westminster, London
Number 07401171Est. 2010
NA
Nordic Assets LtdCity of Westminster, London
Number 07480362Est. 2010
TC
Tern Capital LimitedCity of Westminster, London
Number 07528947Est. 2011
SM
Sky UK Management LtdCity of Westminster, London
Number 07532817Est. 2011

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.