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First Certification Authority


I.CA is the largest provider in the field of issuing and administrating the certificates in the Czech republic.

Contractual relation from



Certification Authority
Registration authority sféra, a.s. provides issuing and administrating the certificates; provides another certification and accredited service of I.CA in Slovak republic.

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Choose what you need from our products


Consulting and analyses in power industry
Processing of technical data
Processing of graphic data
Processing of CAD data
Sale and installation of software
Sale and installation of hardware
Accredited certification services for electronic signature
Double-entry bookkeeping, maintenance of personnel and payroll agenda
Energy trading
Electricity dispatching
Facility management and maintenance
Devices and equipment lifecycle management
Technological networks management
Technical documentation maintenance
Road network management
Energetic networks design
Maps, atlases and other map works
Technical information systems
Trading information systems for power industry
Consulting and analyses in power industry
Graphic applications
Municipal information systems

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