Insights

Fibre First SIRO emphasizes a 100% fibre-to-the-building network built on ESB infrastructure with no copper, signaling a strong value proposition for businesses seeking reliable, future-proof connectivity and potential upsell opportunities to high-bandwidth services.

SMB Focus With a local Dublin base and 51-200 employees, SIRO sits in the mid-market segment where tailored enterprise-grade fiber services and managed network solutions can be offered to regional offices, data-intensive operations, and growth-stage firms looking for scalable connectivity.

Digital Ops The listed tech stack including Cloudflare and Microsoft AD suggests familiarity with modern cloud and security ecosystems, presenting cross-sell opportunities for SD-WAN, security, and cloud optimization services to strengthen their fiber-enabled network.

Growth Signals The funding level indicates investment appetite; targeted outreach around network expansion, professional services for fiber deployment, and bundled managed services could align with SIRO’s growth trajectory in Ireland and neighboring markets.

Competitive Position Positioning as a pure fibre provider without copper can be leveraged to differentiate with premium SLA offerings, latency guarantees, and dedicated support for mission-critical applications—appealing to mid-market firms migrating to high-performance connectivity.

SIRO Tech Stack

SIRO uses 8 technology products and services including Meta Ads Manager, Open Graph, Cloudflare, and more. Explore SIRO's tech stack below.

  • Meta Ads Manager
    Advertising
  • Open Graph
    Content Management System
  • Cloudflare
    Content Management System
  • Amazon Route 53
    Domain Name Services
  • Mailgun
    Email
  • Google Cloud
    Infrastructure As A Service
  • LinkedIn
    Online Community Software
  • Nutanix
    Server Hardware

Media & News

SIRO's Email Address Formats

SIRO uses at least 1 format(s):
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 LinkedInCrunchbase.

What is SIRO's SIC code NAICS code?

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

How many employees does SIRO have currently?

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As of July 2026, SIRO has approximately 166 employees across 6 continents, including EuropeAsiaNorth America. Key team members include Chief Executive Officer: J. K.Chief Executive Officer: J. K.Chief Financial Officer Siro: M. M.. 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 Meta Ads ManagerOpen GraphCloudflareAmazon Route 53MailgunGoogle CloudLinkedInNutanix.

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 July 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 $142Mas a debt_financing.

  • $1M$10M

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

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 $142Mas a debt_financing.

  • $1M$10M

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

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