·Albertina Data - Company Monitor
·AllyTrade - Central Company Listing , business opportunities in the whole European region
·ARES - The Administrative Registers of Economic Subjects (only in Czech)
·The Czech Trade Promotion Agency - CzechTrade - a government agency of the Ministry of Industry and Trade with main task assisting in the development of mutual trade and co-operation.

·Axis4info - Comprehensive interactive database of Czech companies, their products, services and activities
·Czech Business Directory - A listing of Czech business companies
·Čekia - Company Information System
·Export Bank
·Finance and Insurance Export Guarantee and Insurance Corp.
·Hoppenstedt Bonnier - Major Companies in the Czech Republic (in Czech, English and German versions)
·Inform Katalog - Czech Company Catalogue
·Kompass - Czech Company Catalogue

·Supplier - free service by CzechTrade, assisting to find a supplier from the Czechia
·The Companies Registre - official data about all Czech legal persons engaged in enterprise (only in Czech)
·The Small Business Register- official data about all Czech tradesmen resp. small business companies (only in Czech)
·Tradenet - Information Network of the Association for Enterprise Development