Insights

Fiber Advantage Position SIRO’s 100% fiber-to-the-building network as a premium, future-proofed connectivity solution that eliminates copper overhead and enables ultra-fast bandwidth for enterprise customers, data centers, and media companies seeking reliable, scalable connectivity.

ESB Infrastructure Leverage SIRO’s unique use of ESB infrastructure as a differentiator for potential larger tenants and regional business parks requiring robust utility-backed fiber access, highlighting reliability, long-term cost stability, and faster deployment timelines.

Midmarket Focus Target mid-sized organizations with 51-200 employees that demand enterprise-grade fiber services, explaining total cost of ownership benefits, service level agreements, and security features to replace incumbent providers.

Security and Tech Emphasize SIRO’s technology stack and security posture (e.g., Fortinet integration, Active Directory compatibility) to appeal to IT teams prioritizing managed security, network segmentation, and seamless integration with existing Microsoft-centric environments.

Cross-Sell Potential Explore opportunities to upsell complementary services such as managed IT, WAN optimization, and digital marketing tools (referenced tech stack like Mailchimp and SurveyMonkey) to attract marketing and operations teams seeking integrated digital solutions.

Similar companies to SIRO

SIRO Tech Stack

SIRO uses 8 technology products and services including Facebook Ads, AutoCAD, WordPress, and more. Explore SIRO's tech stack below.

Media & News

SIRO's Email Address Formats

SIRO uses at least 4 email formats:
SIRO Email FormatsExamplePercentage
First.Last@siro.ieJohn.Doe@siro.ie
63%
First@siro.ieJohn@siro.ie
32%
FLast@siro.ieJDoe@siro.ie
4%
First.Middle@siro.ieJohn.Michael@siro.ie
1%

Frequently Asked Questions

What is SIRO's stock symbol?

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SIRO is a publicly traded company; the company's stock symbol is SIRO.

What is SIRO's official website and social media links?

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SIRO's official website is siro.ie and has social profiles on LinkedIn and Crunchbase.

How much revenue does SIRO generate?

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As of August 2026, SIRO's annual revenue is estimated to be $1M - $10M.

What is SIRO's SIC code and NAICS code?

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SIRO's SIC code is 4812 - Radiotelephone Communications and NAICS code is 517 - Telecommunications.

How many employees does SIRO have currently?

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As of August 2026, SIRO has approximately 167 employees across 4 continents, including Europe, Asia and North America. Key team members include Chief Executive Officer: J. K., Chief Executive Officer: J. K. and Chief Technology Officer: S. T. Explore SIRO's employee directory with LeadIQ.

What industry does SIRO belong to?

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SIRO operates in the Telecommunications industry.

What technology does SIRO use?

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SIRO's tech stack includes Facebook Ads, AutoCAD, WordPress, SurveyMonkey, Zoho, Mailchimp, Microsoft Active Directory and Fortinet.

What is SIRO's email format?

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SIRO's email format typically follows the pattern of First.Last@siro.ie. Find more SIRO email formats with LeadIQ.

How much funding has SIRO raised to date?

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As of August 2026, SIRO has raised $1.1B in funding. The last funding round occurred on Nov 15, 2021 for $142M.

When was SIRO founded?

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SIRO was founded in 2015.
SIRO logo

SIRO

TelecommunicationsDublin, Ireland51-200 Employees

SIRO is a telecommunications provider based in Dublin, Ireland. It operates a 100% fibre-to-the-building network that relies on ESB infrastructure and intentionally avoids copper. This copper-free setup is described as a distinguishing characteristic within its market. The company employs a mid-sized workforce and serves the Irish telecommunications landscape by delivering fibre connectivity to buildings. While the provided information does not include founding details, the description places SIRO within Dublin's infrastructure-focused market.

Section iconCompany Overview

Website
siro.ie
SIC Code
4812 - Radiotelephone Communications
Stock Symbol
SIRO
NAICS Code
517 - Telecommunications
Founded
2015
Employees
51-200

Section iconFunding & Financials

  • $1.1B

    SIRO has raised a total of $1.1B of funding over 3 rounds. Their latest funding round was raised on Nov 15, 2021 in the amount of $142M as a Debt Financing.

  • $1M - $10M

    SIRO's revenue is estimated to be in the range of $1M - $10M

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