From http://www.credit-to-cash-advisor.com/Resources/CompanyRegisters.html

Following is a list of Company Registration websites for a number of different countries: (where URL is more than one line, copy and paste into browser)

Country / URL / Info
Afghanistan / www.directory.aisa.org.af/ / In English
Aruba / www.arubachamber.com/registry.asp
Australia / www.search.asic.gov.au/gns001.html
Bangladesh / www.roc.gov.bd:7781
Belgium / kbopub.economie.fgov.be/kbopub/
zoekwoordenform.html?lang=fr / No English
Bermuda / www.roc.gov.bm/roc/rocweb.nsf/roc?OpenFrameSet / login req.
Bulgaria / www.brra.bg/ / No English
Cayman Islands / www.ciregistry.gov.ky/portal/page?_pageid=1941,1&
_dad=portal&_schema=PORTAL / Requires
login
Curaçao / www.curacao-chamber.an/info/3a_1.html
Cyprus / www.drcor.mcit.gov.cy/portal/page/portal/Eforos/
dttSearch_en?cn=ICF
Czech Republic / www.search-czech.com/business/
Denmark / cvr.dk/Site/Forms/CMS/DisplayPage.aspx?pageid=21
Dubai / www.dubaided.gov.ae/english/eServices/pages/
mossRD.aspx?PID=10105&LID=1&sname=
Company_Lookup
Estonia / www.rik.ee/ebr
Finland / www.prh.fi/en/kaupparekisteri.html
France / www.societe.com/ / No English
Germany / www.handelsregister.de/rp_web/welcome.do?
Greece / www.acci.gr/acci/SearchBusinessNames/
CatalogBusinessMembersofACCI/tabid/156/
language/en-US/Default.aspx
Guernsey / www.greg.gg/webCompSearch.aspx
Hong Kong / www.icris.cr.gov.hk/csci/
Hungary / www.e-cegjegyzek.hu/info/page/ceginfo / No English
Iceland / www.companydocuments.com/iceland
India / www.mca.gov.in/DCAPortalWeb/dca/
MyMCALogin.do?method=setDefaultProperty&mode=31
Ireland / www.cro.ie/search/
Isle of Man / www.gov.im/ded/companies/companiesregistry.xml
Israel / http://www.justice.gov.il/mojheb/
Italy / www.infocamere.it/
Jamaica / www.orcjamaica.com/
Jersey / www.jerseyfsc.org/registry/
Latvia / http://www.lursoft.lv/?a=26&v=en
Lithuania / www.registrucentras.lt/jar/p/index.php?pav=&kod=121485198&sav=&sta=&for=&p=1 / No English
Malaysia / www.ssm.com.my/en/main.php
Malta / rocsupport.mfsa.com.mt/pages/Default.aspx
Mexico / www.siem.gob.mx/siem2008/
Netherlands / www.kvk.nl/english/traderegister/
005_Access_to_the_trade_register/
gettingaccesstothetraderegister/
default.aspwww.kvk.nl/
New Zealand / www.business.govt.nz/companies/search/
cad/dbssiten.main
Norway / www.brreg.no/english/
Pakistan / www.secp.gov.pk/ns/index.asp
Panama / www.registro-publico.gob.pa/scripts/nwwisapi.dll/
conweb/prinpage / No English
Philippines / iregister.sec.gov.ph/MainServlet_CurPg=1&_
SID=S2b8953&_FSQ=0&_FID=F19017ea&_
DMY=2S2b8953&_SYSSQ=b7ymk
5qx3u&_CMD=2
Poland / ms.gov.pl/ / No English
Puerto Rico / www.estado.gobierno.pr/ / No English
Quebec / ssl.req.gouv.qc.ca/slc0110_eng.html
Romania / http://www.onrc.ro/english/services.php
Serbia / http://pretraga.apr.gov.rs/RepsisPublicSite/Search/
GeneralEnterpriseSearch.aspx?lngrnd=1287153830&lngrnd=331326126
Singapore / https://www.psi.gov.sg/NASApp/tmf/TMFServlet?app=MYBIZFILE-DIR-ENTITY&version=&S=&D=&AN=
INBX& searchText=&searchBy=name
Slovak Republic / www.orsr.sk/default.asp?lan=en
Slovenia / www.ajpes.si/Registers/ePRS_Business_Register / in English,
Italian, German,
Slovenian
South Africa / www.cipro.gov.za/2/home/
Sri Lanka / www.drc.gov.lk/App/ComReg.nsf?Open
Sweden / www.allabolag.se/ / No English
Switzerland / www.zefix.ch/zfx-cgi/hrform.cgi/hraPage?alle_eintr=on&pers_sort=original&pers_
num=0&language=4&col_width=366&amt=007
Thailand / www.dbd.go.th/corpsearch_test/main.phtml
United Kingdom / wck2.companieshouse.gov.uk/
c9379d895fa4ab49cbf39928df1e2d44/
wcframe?name=accessCompanyInfo