---
title: "About us – HARICA"
description: "What is HARICA? HARICA is a Globally \"Trusted Third Party\" entity that participates in all major Global \"ROOT CA\" Trust Programs (360, Adobe, Apple, Microsoft, Mozilla, Oracle), and operates as a \"Trust Anchor\" in widely used Application Software and Operating Systems (Adobe, Apple, Google, Microsoft, Mozilla, Linux, Oracle Java).   Who is responsible for funding"
language: "en-US"
canonical_url: "https://demo.harica.gr/en/about-us"
source_url: "https://demo.harica.gr/en/about-us/"
content_type: "text/markdown"
---

About us[www.harica.gr](https://demo.harica.gr/en/posts/post-author/harica-www)2026-06-22T15:05:55+00:00


## What is HARICA?

HARICA is a Globally “Trusted Third Party” entity that participates in all major Global “ROOT CA” Trust Programs (360, Adobe, Apple, Microsoft, Mozilla, Oracle), and operates as a “Trust Anchor” in widely used Application Software and Operating Systems (Adobe, Apple, Google, Microsoft, Mozilla, Linux, Oracle Java).

## Who is responsible for funding HARICA?

HARICA, is currently funded by [Greek Universities Network (GUnet)](http://www.gunet.gr/), a non-profit civil company. Its members are Universities of Greece.

This GUnet service, referred to as the Hellenic Academic and Research Institutions Certification Authority (HARICA), is operated by the [IT Center](https://it.auth.gr/) of [Aristotle University of Thessaloniki](https://www.auth.gr/) and acts as a Trust Service Provider (TSP) also known as a “Certification Authority”, and as a **“Qualified” Trust Service Provider (QTSP)**.

## How does HARICA ensure compliance and legality for its services?

It is listed in the National [Registry of Qualified Trust Service Providers](http://www.eett.gr/opencms/opencms/EETT_EN/Electronic_Communications/DigitalSignatures/EsignProviders.html) which is maintained by the National Supervisory Body [(Ε.Ε.Τ.Τ.)](http://www.eett.gr/) since June 2015, offering Qualified/Advanced electronic signatures for members of the Greek Academic and Research Community, along with third-party natural/legal entities.

It has received successful and consecutive Conformity Assessment Reports fulfilling the requirements of [Regulation (EU) 910/2014 (also known as eIDAS)](http://eur-lex.europa.eu/legal-content/EN/TXT/?uri=uriserv%3AOJ.L_.2014.257.01.0073.01.ENG) in the scope of “Qualified” electronic Signatures, Seals, Time Stamps and Website Authentication. This Certification ensures that **HARICA’s Certificates for Qualified eSignatures/eSeals, are legally binding** not only in Greece but cross-border in all European Union Member States and non-EU Countries that have a bi-lateral agreement with the European Union.

## Why choose HARICA?

HARICA is a trusted “Third Party” in global Trust Programs like Adobe, Apple, Microsoft, and Mozilla. Funded by the Greek Universities Network, it offers legally binding eSignatures and eSeals, recognized across the EU and beyond.

Managed by Aristotle University of Thessaloniki, HARICA provides secure, certified digital solutions for the Greek academic community and other entities, ensuring compliance with eIDAS.

[Discover more about HARICA](https://demo.harica.gr/en/about-us)




## 1 Billion



Digital certificates issued





## 2,700



Active partners






## 700K



Global customers





## 20+ years



Trusted digital certification experience



## Should I trust HARICA?

The Hellenic Academic & Research Institutions Certification Authority (HARICA) is a member of Mozilla Root CA program since 2012, Microsoft Root CA program since June 2013, Apple Root CA program since September 2013, 360 Root CA program since October 2019 and Oracle since April 2021.

**[Learn more about Trust & Compliance](https://demo.harica.gr/en/trust)**

## 2700+ Trusted Partners in Academic and Research Institutions


    ![Logo of the University of Crete](https://demo.harica.gr/wp-content/uploads/2025/03/logo-1001.png)
    ![Logo of the Technological Educational Institute of Western Greece](https://demo.harica.gr/wp-content/uploads/2025/03/logo-1002.png)
    ![Logo of the National and Kapodistrian University of Athens](https://demo.harica.gr/wp-content/uploads/2025/03/logo-1003.png)


    ![Logo of the Technological Educational Institute of Central Greece](https://demo.harica.gr/wp-content/uploads/2025/03/logo-1004.png)
    ![Logo of the University of the Peloponnese](https://demo.harica.gr/wp-content/uploads/2025/03/logo-1005.png)
    ![Logo of the International Hellenic University](https://demo.harica.gr/wp-content/uploads/2025/03/logo-1006.png)