Insights

Audit Readiness Opportunity Seiso specializes in helping organizations achieve faster audit readiness for SOC 2, ISO 27001, and CMMC. This indicates a sales opportunity with firms preparing for or undergoing audits, especially those seeking to reduce audit stress and streamline the process.

SMB to Mid-Market With 51-200 employees and a scalable vGRC model, Seiso targets organizations that need governance, risk, and compliance support without building a large internal team, presenting a compelling option for mid-market buyers seeking cost-effective security programs.

Recurring Compliance The emphasis on continuous oversight and year-round compliance suggests a compelling upsell path for customers who want ongoing risk management and automated compliance operations, creating opportunities for expansion beyond one-off audits.

Competitive Differentiation Seiso markets a living, scalable security program that aligns with business goals and reduces tool sprawl, which can attract organizations overwhelmed by point-tool complexity and drive cross-sell into broader security and governance initiatives.

Strong Retention Signals A 95% client retention rate signals high customer satisfaction and potential for referral-based growth, making existing clients prime targets for expansion into additional standards, remedial services, or extended vGRC engagements.

Similar companies to Seiso

Seiso Tech Stack

Seiso uses 1 technology products and services including 101domain, and more. Explore Seiso's tech stack below.

  • 101domain
    Domain Name Services

Seiso's Email Address Formats

Seiso uses at least 3 email formats:
Seiso Email FormatsExamplePercentage
First.Last@seisollc.comJohn.Doe@seisollc.com
92%
First@seisollc.comJohn@seisollc.com
4%
FLast@seisollc.comJDoe@seisollc.com
4%

Frequently Asked Questions

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

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Seiso's official website is sei.so and has social profiles on LinkedIn.

How much revenue does Seiso generate?

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

What is Seiso's NAICS code?

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Seiso's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Seiso have currently?

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As of November 2026, Seiso has approximately 78 employees across 2 continents, including North America and South America. Key team members include Lead Security Engineer: E. B. S., Lead Security Consultant: S. C. and Operador De Servicios: L. E. Explore Seiso's employee directory with LeadIQ.

What industry does Seiso belong to?

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Seiso operates in the Computer and Network Security industry.

What technology does Seiso use?

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Seiso's tech stack includes 101domain.

What is Seiso's email format?

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Seiso's email format typically follows the pattern of First.Last@seisollc.com. Find more Seiso email formats with LeadIQ.

When was Seiso founded?

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Seiso was founded in 2017.
Seiso logo

Seiso

Computer and Network SecurityPennsylvania, United States51-200 Employees

Seiso is a mid-sized cybersecurity firm based in Gibsonia, in the Pittsburgh region, Pennsylvania, that specializes in governance, risk, and compliance for computer and network security programs. Its Virtual Governance, Risk, and Compliance (vGRC) service blends technology with practitioner expertise to give organizations access to multiple security disciplines without building a large internal team or acquiring unnecessary tools. The offering supports ongoing program development, helping security programs evolve with the business and align compliance with broader organizational objectives rather than viewing it as a compliance checkbox.

The company targets organizations preparing for SOC 2, ISO 27001, or CMMC audits and those seeking cybersecurity protections without expanding staff. Its approach emphasizes faster audit readiness, smoother audits, and continuous oversight to keep risks and compliance in check year-round. Seiso has earned regional recognition, including Pittsburgh Tech Council's 2021 Start-Up Innovator of the Year and Pittsburgh Business Times Best Places to Work honors in 2022 and 2023, and it reports a 95% client retention rate.

Section iconCompany Overview

Website
sei.so
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2017
Employees
51-200

Section iconFunding & Financials

  • $1M - $10M

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

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