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

English
About
SearchMethodologyAbout

Countries

CZCzechiaEEEstoniaFIFinlandFRFranceIEIrelandLVLatviaNONorwayRORomaniaSKSlovakiaSESwedenTWTaiwanGBUnited Kingdom

Languages

EnglishGaeilgeNorskSuomiSvenskaEestiLatviešuFrançaisČeštinaSlovenčinaRomână繁體中文

Caso Reactors Ltd

ActiveCompany number 15741718Private limited companyEst. 202439000 · Remediation activities and other waste management servicesLewisham, London
Official record ↗
Age2 years
older than 21% of its sector
Same activity, United Kingdom3,131live companies · 2471st oldest
In Lewisham19,224live companies · 8 in the same activity
At this address9live companies incl. this one
Latest accounts2025dormant company accounts, made up to 31 May 2025

In brief

Caso Reactors Ltd is a private limited company incorporated in England and Wales on 25 May 2024. It is 2 years old; 79% of the 3,131 live companies whose main activity is remediation activities and other waste management services are older. Its registered office is in Lewisham, London, at an address shared with 8 other live companies. 8 live companies in Lewisham share the same main activity. Its latest accounts were made up to 31 May 2025 and filed as dormant company accounts. It was previously called Cassandra Renewables Ltd, a name it changed on 29 July 2025.

Register details

Registered nameCASO REACTORS LTD
Company number15741718
Company typePrivate Limited Company
Registered office20 Belmont Hill, SE13 5BD London
JurisdictionEngland and Wales
Nature of business (UK SIC 2007)39000 Remediation activities and other waste management services · 71121 Engineering design activities for industrial process and production · 71129 Other engineering activities · 74901 Environmental consulting activities
International sector (ISIC Rev.4)E · 39 Remediation activities and other waste management services

Timeline

Register events, newest first.

  • Confirmation statement made up
  • Name changedPreviously Cassandra Renewables Ltd
  • Accounts made upDormant company accounts
  • Incorporated

Filings and charges

Deadlines and charge counts from the register.

Next accounts due28 February 2027
Accounting reference date31 May
Next confirmation statement7 June 2027
Last confirmation statement24 May 2026
Charges registered0
Outstanding · satisfied0 · 0

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

Remediation activities and other waste management services in the United Kingdom

Live companies whose main activity is 39000: 3,131 in total, median age 7 years, 257 incorporated in the past 12 months.

All 3,131 companies
This company's decadeOther decades
05001,0001,5002,0001890s: 111890s1940s: 111940s1950s: 111950s1960s: 551960s1970s: 17171970s1980s: 41411980s1990s: 1151151990s2000s: 4524522000s2010s: 1,1221,1222010s2020s: 1,3761,3762020s
Incorporated per year, still live
01002003004002011: 7520112012: 992013: 10320132014: 1182015: 12020152016: 1152017: 11220172018: 1312019: 19220192020: 1692021: 14820212022: 1512023: 16520232024: 2102025: 31920252026: 214

Location

Registered office in Lewisham, London.

Lewisham
Live companies in Lewisham19,224
Same activity in Lewisham8
New in Lewisham, past 12 months2,629

Also registered at this address

8 other live companies share this registered office.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
BT
Bin There Done That LtdLewisham, London
Number 15930423Est. 2024
SC
Softstrip and Clearance Management LtdLewisham, London
Number 16433617Est. 2025
DG
Deep Green Energy LimitedLewisham, London
Number 14118946Est. 2022
EW
Elementa Waste Management LtdLewisham, London
Number 17485430Est. 2026
FR
Fresh Rooms LimitedLewisham, London
Number 12377245Est. 2019
S
Sssi LimitedLewisham, London
Number 08915332Est. 2014

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.