SecuStamp.com portal is available to everyone to verify a wide range of certificates for PDF documents signing and qualified and commercial certificates issued by Certified Authorities from Czech Republic and surrounding countries. SecuStamp.com portal is also available for commercial certificates of US companies: VeriSign, GlobalSign and Adobe Systems Incorporated. Complete CA list in PDF.

Certification Authorities by country

Austria

• Bundesamt für Eich- und Vermessungswesen, Wien
• Datakom Austria GmbH, Wien
• A-Trust Gesellschaft für Sicherheits systeme im elektronischen Datenverkehr GmbH, Wien

Belgium

• Certipost NV/SA, Brussels

Bulgaria

• B-Trust.org (Bankservice JSC), Sofia
• InfoNotary PLC, Sofia
• Information services PLC - StampIT, Sofia
• MobiSafe, Sofia
• Spektar AD, Sofia

Czech

• eIdentity a.s., Prague 3
• First certification authority, a.s., Prague 9
• The Czech Post, s.p., Prague 1

Estonia

• AS Sertifitseerimiskeskus Certification Centre, Ltd., Tallinn
• GuardTime AS, Tallinn

Finland

• Population Register Centre, Helsinki

France

• Assemblée Permanente des Chambres de Métiers APCM, Paris
• CAISSE DES DEPOTS, Paris
• CENTRE D'ECHANGES DE DONNEES ET D'INFORMATIONS DU CREDIT AGRICOLE MUTUEL, Paris
• Certinomis SA, Charentonle Pont
• CertEurope, Paris
• ChamberSign France, Lyon
• CLICK AND TRUST, Paris
• Cryptolog International, Paris
• Dhimyotis, Villeneuved'Ascq
• KEYNECTIS, Issy Les Moulineaux
• NATIXIS SA, Paris
• SG TRUST SERVICES, Puteaux

Germany

• Bundesnotarkammer, Köln
• D-TRUST GmbH, Berlin
• DATEV eG, Nürnberg
• Deutsche Post ComGmbH, Bonn
• Deutsche Telekom AG, Netphen
• Deutscher Sparkassen VerlagGmbH, Stuttgart
• DGN Deutsche Gesundheitsnetz Service GmbH, Düsseldorf
• Federal Network Agency, Mainz
• German Federal Pension Insurance, Berlin
• Medisign GmbH, Düsseldorf
• TC Trust Center GmbH, Hamburg

Greece

• Adacom Advanced Internet Applications S.A, Athens
• Athens Exchange S.A, Athens
• Hellenic Ministry of Interior, Decentralization and E-government, Informatics Development Agency, Athens

Hungary

• Digitoll Information Technology and Servicing Ltd.,Budapest
• Educatio Ltd. (EducatioTársadalmiSzolgáltatóNonprofitKft.), Budapest
• GIRO Private Limited Company, Budapest
• Magyar Telekom Public Limited Company, Budapest
• MÁV INFORMATICS Commercial, Servicing and ConsultingPrivate Limited Company, Budapest
• MICROSEC Software Engineering and Consulting Ltd., Budapest
• NETLOCK Informatics and Network Privacyservices Limited Company, Budapest

Italy

• ActalisS.p.A., Milano
• Aruba Posta Electtronica Certificata S.p.A., Arezzo
• Bank of Italy, Roma
• Banca di Roma S.p.A., Roma
• Banca Intesa S.p.A., Torino
• BNL MultiserviziS.p.A., Roma
• CEDACRI S.p.A., Collecchio (Parma)
• CedacrinordS.p.A., Collechio (Parma)
• Centro nazionale per l'informatica nella pubblica amministrazione, Roma
• CERTICOMM (AUTORITA' DI CERTIFICAZIONE DEI CONSIGLI NAZIONALI DEI RAGIONIERI E DEI
• DOTTORI COMMERCIALISTI), Roma
• CNDCEC – Consiglio Nazionale dei Dottori Commercialisti e degli Esperti Contabili, Roma
• Comando C4 Difesa - Stato Maggiore del la Difesa, Roma
• Consiglio Nazionaledel Notariato, Roma
• Consiglio Nazionale Forense, Roma
• Comando C4 (Comando Trasmissioni e Informazioni Esercito), Anzio
• CTRUPA, Roma
• Enel.it S.p.A., Roma
• Enel.it S.p.A., Roma
• Esercito Italiano Comando C4 IEW, Anzio
• Finital S.p.A., Arezzo
• IT Telecom, Roma
• Infocamere S.p.A., Roma
• InfocertS.p.A., Roma
• Intesa, Torino
• Intesa Sanpaolo Bank S.p.A., Torino
• Lombardia InformaticaS.p.A., Milano
• Lombardia IntegrataS.p.A. Servizi Infotelematici per il Territorio, Milano
• Monte dei Paschi di Siena Bank, Siena
• Namirial S.p.A., Senigallia
• Postecom S.p.A., Roma
• Sanpaolo IMI S.p.A., Torino
• Saritel S.p.A., Pomezia
• SECETI, Milano
• SIA, Milano
• Sogei S.p.A., Roma
• SSB S.p.A., Milano
• Trustitalia S.p.A., Roma

Latvia

• State joint stock company „Latvia State Radio And Television Centre”, Riga

Lithuania

• Residents Register Service under the Ministry of the Interior, Vilnius
• State Enterprise Centre of Registers, Vilnius
• UAB Skaitmeninio sertifikavimo centras, Vilnius

Luxembourg

• LuxTrust S.A., Luxembourg, Capellen
• Se Market Certification Authority S.A., Munsbach

Netherlands

• Agentschap Centraal Informatiepunt Beroepen Gezondheidszorg, The Hague
• Diginotar B.V., Beverwijk
• Digidentity B.V., Den Haag
• ESG de electronischesignatuur B.V., Weert
• Getronics PinkRoccade Nederland B.V., Apeldoorn
• KPN Corporate Market B.V., Apeldoorn
• Ministerie van Defensie, Den Haag
• Ministerie van Infrastructuur en Milieu, Den Haag
• Quo Vadis Trustlink B.V., Utrecht
  

Norway

• Bankenes ID-tjeneste AS, Bergen
• Buypass AS, Oslo
• Commfides Norge AS, Lysaker
• DnB NOR Bank ASA, Oslo
• Fokus Bank ASA, Trondheim
• Handelsbanken NUF, Oslo
• Nordea Bank Norge AS, Oslo
• SEB Privatbanken ASA, Oslo
• Skandia Banken AB Norsk avdeling av utenlandsk foretak, Bergen
• Spare Bank 1 Utvikling DA, Oslo
• Terra Gruppen AS, Oslo
• Trust Service Provider, Stavanger
• Zeb Sign AS, Oslo
  

Poland

• ENIGMA Systemy Ochrony Informacji Sp.z o.o., Warszawa
• Krajowa Izba Rozliczeniowa S.A., Warsaw
• MobiCert Sp. z o.o., Cracow
• Polish Security Printing Works, Warsaw
• Safe Technologies S.A., Raszyn
• TP Internet sp. z o.o., Warsaw
• Unizeto Technologies S.A., Szczecin
  

Portugal

• DigitalSign, Lisboa, Nespereira – Guimares
• ECAR - Assembly of the Republic Certification Service Provider, Lisboa
• ECM Justiça - Ministry of Justice Certification Service Provider, Lisboa
• ECCC - National Identification Card Certification Service Provider, Lisboa
• ECCE - State Common Certification Service Provider, Lisboa
• MULTICERT S.A., Alfragide
  

Slovakia

• Disig, a.s., Bratislava
• First Certification Authority, a.s. (I.CA), Prague
• Ministry of Defence Slovak Republic, Trencin
• National Security Authority SK, Bratislava
• The First Slovak Certification Authority - Viasec s.r.o., Bratislava
  

Slovenia

• AC NLB - Nova Ljubljanska banka d.d, Ljubljana
• HALCOM d.d, Office HALCOM-CA, Ljubljana
• Ministry of Defence, Secretariat of General Secretary, Office for Informatics and Communications, Councilfor Public Key Infrastructure management at MO, Ljubljana
• Ministry of Public Administration, Certification Authority at the Ministry of Public Administration, Ljubljana
• Pošta Slovenije d.d., Maribor
  

Spain

• AC Camerfirma, S.A, Madrid
• Agencia de Tecnología y Certificación Electrónica, Valencia
• Agència Catalana de Certificació, Barcelona
• Agencia Notarial de Certificación S.L. Unipersonal, Madrid
• ANF Autoridad de Certificación Asoción ANF AC, Barcelona
• Autoridad de Gestión de la PKI del Ministerio de Defensa - AGPMD. Subdirección General de Tecnologías de la Información y Comunicaciones – SDGTIC, Madrid
• Banco Español de Crédito, S.A, Banesto CA, Madrid
• Banco Santander, S.A, Boadilladel Monte, Madrid
• Colegio de Ingenieros de Caminos, Canales y Puertos, Madrid
• Colegio Oficial de Registradores de la Propiedad y Mercantiles de Espaňa, Madrid
• Consejo General de Colegios Oficiales de Médicos de España (CGCOM), Madrid
• Consejo General de la Abogacía Española, Madrid
• Dirección General de la Policía y de la Guardia Civil - Cuerpo Nacional de Policía, Madrid
• Firmaprofesional, S.A., Barcelona
• Fábrica Nacional de Moneda y Timbre - Real Casa de la Moneda (FNMT-RCM), Madrid
• HEALTHSIGN, S.L., Girona
• Intercambio Electronico De Datos y Comunicaciones, S.L., EDICOM, Paerna (Valencia)
• Ministerio de Trabajo e Inmigración, Madrid
• Tesorería General de la SeguridadSocial, Madrid
• Ziurtapeneta Zerbitzu Enpresa-Empresa de Certificación y Servicios, Izenpe, S.A., Vitoria-Gasteiz
  (Álava)

Sweden

• SignGuard Europe AB, Stockholm

United Kingdom

• British Telecom, Cardiff

United States of America

• Adobe Systems Incorporated, San Jose
• GlobalSign Inc., New Hampshire
• TrustCenter
• VeriSign, Inc., Mountain View
• VeriSign Authentication Services, Mountain View