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Heirloom Computing

Heirloom Computing

Private
Alamo, CaliforniaEnterprise Softwarehttps://heirloomcomputing.com/

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Heirloom Computing is an enterprise software company that provides a platform to migrate mainframe workloads to cloud-native applications.

Sector

Enterprise Software

Verticals

Cloud Infrastructure, Platform-as-a-Service

Business Model

B2B

Customer Profile

Subscription SaaS, Usage-Based SaaS, Services & Consulting, Freemium

AI Layer

Application

Keywords

mainframe modernizationapplication refactoringCOBOL to Javalegacy modernizationmainframe migrationreplatformingcloud-native JavaCOBOL modernizationCOBOL compilerplatform-as-a-servicePaaSPL/I modernizationEclipse IDE pluginagentic AI

Historical Pricing

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Caplight Momentum Score

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Heirloom Computing Comparables

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Heirloom Computing comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
CloudFrame
89%
Raincode
86%
AveriSource
83%

Heirloom Computing Funding Rounds

Historical fundraising activity

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Key People

Founding team and executive leadership

Gary Crook

Founder, CEO

Founding Team

Graham Cunningham

Chief Technology Officer

Executive Team

Kevin Moultrup

COO

Executive Team

Market signals

Structured signals derived from secondary market and firmographic data.

  • Apr 18, 2026

    Monthly visitors increased 2173% MoM, reaching 23K.

  • Jun 8, 2025

    Grew 17% QoQ, from 24 to 28 employees.

Heirloom Computing Filings

SEC and related filings with document metadata.

Data table
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Heirloom Computing Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Heirloom Computing's valuation, stock price, and market status.

Firmographic Details

HeadquartersAlamo, California
Employee Range33
Year Founded2010
Last Funding

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