Connectivity and telecommunications

Innovative and reliable communication solutions to stay at the center of the interconnected world

As an Internet Service Provider (ISP) and Application Service Provider (ASP), we offer companies, firms, and organizations innovative and reliable Internet solutions , delivered by a certified and dedicated technical structure. 

We know well that today the efficiency of any organization, of any size, is measured largely in relation to its ability to transmit and receive large quantities of data and information in real time.  

Our connectivity and telecommunications services guarantee all the business speed that companies, professionals, and organizations require. They are designed and built to fully meet every type of interconnection and communication need, with a focus on security.

Discover our connectivity and telecommunications solutions

Internet Service Provider

We help you express your full potential in the digital world

Hosting and domains

Professional, fast, and secure hosting for successful websites

VoIP telephony

VoIP technology is the new frontier of telephone communication

Cloud Switchboard

Kalliope is the cloud PBX that rethinks traditional PBXs and makes them smart

Let's create your next project together

Contact us

Brief Notice pursuant to Art. 13 of EU Regulation 2016/679 for the Processing of Personal Data. SHIRO SUN Srl, with registered office at Via Paolo Andreani, 4, 20122 Milan (MI), as Data Controller, will process your Personal Data for the following purposes: a) Managing the sending of information requested via the contact form, the legal basis for which processing is the performance of a contract to which the data subject is party or the implementation of pre-contractual measures adopted at the data subject's request (Article 6.1.b of the Regulation). Furthermore, with your specific consent, the data may be processed for: b) sending promotional and marketing communications, including newsletters and market research, through automated and non-automated tools; c) communicating personal data to other Group companies for the same purposes. In this regard, these processing activities will be carried out in compliance with the Provision of the Italian Data Protection Authority of July 4, 2013. For any further clarification or details, please refer to the extended information. Having read and understood the privacy policy

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  • Registered office:
  • Via Paolo Andreani, 4 
  • 20122 Milan (Milan) – Italy

  • Operational Headquarters:
  • Via Villa, 9 - 20834 Nova Milanese (MB)

SHIRO SUN Srl

© Copyright 2026 SHIRO SUN Srl
VAT number: IT 09688910968