Insights

Fiber First Position SIRO as a 100% fibre-to-the-building network provider with no copper, highlighting reliability, speed, and future-proofing to win enterprise and public sector connectivity deals.

Mid Market Focus Target companies with 51-200 employees as a sweet spot where SIRO’s fibre offering can outperform incumbents, presenting a compelling ROI case for bandwidth-heavy applications and digital transformation.

ESB Infra Advantage Leverage the ESB infrastructure backbone to emphasize scalability and potential ease of deployment, suggesting partnerships or co-location opportunities to accelerate network build-outs.

Digital Stack Note the current tech stack and cloud-centric tools, offering cross-sell opportunities for managed services, cloud connectivity, security, and adtech or marketing technology integrations to enhance digital operations.

Growth Signals Although revenue is modest, the high funding level signals potential for rapid expansion; position SIRO for lucrative wholesale, enterprise, or channel partnerships to accelerate market penetration.

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 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.

How much revenue does SIRO generate?

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

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 Facebook AdsAutoCADWordPressSurveyMonkeyZohoMailchimpMicrosoft Active DirectoryFortinet.

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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