Insights

Audit Readiness Demand Seiso specializes in helping organizations achieve faster and smoother SOC 2, ISO 27001, and CMMC audits, indicating a steady market need for audit readiness services among mid-market security teams.

Managed Security Model Their vGRC offering combines technology with practitioner expertise to deliver compliant security programs without building large internal teams, presenting a compelling value proposition for companies looking to scale security operations efficiently.

Growth and Scaling With a focus on living, scalable security programs that evolve with business needs, there are upsell opportunities for expanding compliance scope, continuous monitoring, and governance as the company grows.

Strong Retention Signal A 95% client retention rate suggests high customer satisfaction and potential for renewal-based sales, as well as opportunities to expand services into existing accounts through additional compliance frameworks or remediation work.

Competitive Positioning Seiso targets organizations seeking outsourced security capabilities rather than hiring full teams, creating cross-sell prospects with adjacent cybersecurity services and compliance-focused offerings from similar MSP-like providers.

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 September 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 September 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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