Insights

Strong Industry Position H5, now Lighthouse, is a well-established leader in the legal technology segment, servicing numerous Fortune 500 companies and top law firms, indicating a trusted brand with a strong reputation for delivering reliable, cost-effective e-discovery solutions.

High-Value Client Base With a focus on large-scale, highly regulated clients, there are opportunities to upsell or expand services within existing accounts, emphasizing advanced document review, technology-assisted review, and legal analytics to enhance their legal workflows.

Technology-Driven Approach Lighthouse’s use of advanced search technologies, combined with expertise across linguistics, law, and IT, positions it to address clients' need for precise, scalable, and compliant document review solutions, especially as e-discovery regulations evolve.

Revenue Growth Potential With a revenue range of 25 to 50 million USD and a specialized service offering, Lighthouse can target mid-to-large law firms and corporate legal departments looking for innovative, technology-supported review services that reduce costs and improve accuracy.

Market Differentiation Opportunities Given the company's pioneering history in technology-assisted review and proven track record of saving clients millions, there is potential to position Lighthouse as a thought leader and innovator in the legal tech space, attracting clients seeking cutting-edge e-discovery solutions.

H5 Tech Stack

H5 uses 8 technology products and services including WordPress, RelativityOne, React, and more. Explore H5's tech stack below.

  • WordPress
    Content Management System
  • RelativityOne
    Ediscovery
  • React
    Javascript Frameworks
  • Linux
    Programming Languages
  • PHP
    Programming Languages
  • Yoast SEO
    Search Engines
  • Tealium
    Tag Management
  • VMware
    Virtualisation Software

Media & News

H5's Email Address Formats

H5 uses at least 1 format(s):
H5 Email FormatsExamplePercentage
FLast@h5.comJDoe@h5.com
93%
First.Last@h5.comJohn.Doe@h5.com
3%
First-Last@h5.comJohn-Doe@h5.com
2%
Last.F@h5.comDoe.J@h5.com
2%

Frequently Asked Questions

Where is H5's headquarters located?

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H5's main headquarters is located at 595 Market Street San Francisco, California 94105 United States. The company has employees across 4 continents, including North AmericaAsiaEurope.

What is H5's phone number?

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You can contact H5's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is H5's stock symbol?

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H5 is a publicly traded company; the company's stock symbol is H50E.L.

What is H5's official website and social media links?

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H5's official website is h5.com and has social profiles on LinkedIn.

How much revenue does H5 generate?

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As of February 2026, H5's annual revenue is estimated to be $14M.

What is H5's SIC code NAICS code?

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H5's SIC code is 7371 - Computer Programming Services NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does H5 have currently?

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As of February 2026, H5 has approximately 87 employees across 4 continents, including North AmericaAsiaEurope. Key team members include Chief Executive Officer: R. M.Business Owner: M. H.Associate Director: A. F.. Explore H5's employee directory with LeadIQ.

What industry does H5 belong to?

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H5 operates in the IT Services and IT Consulting industry.

What technology does H5 use?

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H5's tech stack includes WordPressRelativityOneReactLinuxPHPYoast SEOTealiumVMware.

What is H5's email format?

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H5's email format typically follows the pattern of FLast@h5.com. Find more H5 email formats with LeadIQ.

When was H5 founded?

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H5 was founded in 1999.

H5

IT Services and IT ConsultingCalifornia, United States51-200 Employees

H5 is a leading provider of technology-assisted review and e-discovery services. We pioneered technology-assisted review over a decade ago, and today some of the largest and most respected Fortune 500 companies and AmLaw 200 law firms turn to H5 to help them cost-effectively meet their production obligations and gain the advantage in litigation.

H5 provides highly accurate document review via our technology-assisted review service, combining advanced search technology with the expertise needed to implement it effectively and measurement protocols to validate the results. Our professionals have expertise in linguistics, statistics, computer science, law, information technology, process engineering, and e-discovery. 

Through our battle-tested approach, which has been independently proven to yield more cost-effective, consistent, and accurate results than any review method, we have helped clients save millions of dollars in document review costs and achieve billions in favorable legal outcomes.

Section iconCompany Overview

Headquarters
595 Market Street San Francisco, California 94105 United States
Phone number
Website
h5.com
SIC Code
7371 - Computer Programming Services
Stock Symbol
H50E.L
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
1999
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $25M$50M

    H5's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    H5's revenue is estimated to be in the range of $25M$50M

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