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Patchstack logo — Patchstack helps web developers to easily secure web apps fr...

Patchstack

Patchstack helps web developers to easily secure web apps from third-party component vulnerabilities.

Founded 2021 Estonia Estonia 50 employees Series A Total: $6.90M Cyber Security, IT +1

General Information

Company Name Patchstack
Founded Year 2021
Location Estonia Estonia
Employees 50
Industries Cyber Security, IT, Internet
Funding Stage Series A
Business Model B2B, SaaS, API
Revenue Model Subscription, Usage Based, Service Fee
Social

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Recorded by Bounce Watch from public sources. Every entry below carries the date we observed it, and when we have not looked recently the page says so rather than leaving silence to imply nothing happened.

Homepage Update

Significant changes detected on company website (80.2% content change).

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AI Insight

Bounce Watch AI
3 weeks ago

Patchstack has successfully entered its Series A funding stage, securing $5.00M which indicates strong investor confidence in its open-source and web application security solutions. This capital infusion is earmarked to support significant strategic developments, as evidenced by a substantial website overhaul planned for October 2026, signaling a major strategic repositioning or expansion of its core offerings.

Signal Types
Funding Strategic Planning
Strategic Labels
Growth Capital Market Repositioning Cybersecurity Expansion
Next Move: Product Expansion
·
Impact: 9/10
·
Ideal For: Growth-stage Cybersecurity VCs

About Patchstack

Patchstack helps web developers to easily secure web apps from third-party component vulnerabilities. Based in Parnu, Estonia, the company is a leader in open source software vulnerability intelligence, serving industries such as Cyber Security, IT, and the Internet.

Founded in 2021, Patchstack offers services including RapidMitigate, Application Security (SCA), and Threat Intelligence API, catering to web developers, web hosts, and other software industry players. Its business model is primarily B2B, utilizing SaaS and API solutions. The company's revenue streams include subscription, usage-based, and service fee models.

Business keywords: Web Application Security, Third-Party Component Vulnerabilities, Open Source Software Vulnerability Intelligence, Website Security, Web Application Firewall, Uptime Monitoring, Domain Reputation Checks, Security Scans, Cyber Security Platform, Threat Intelligence, Website Monitoring, Security Threat Mitigation, Hacking Incident Analysis, Vulnerability Detection

Services & Products

RapidMitigate
Application Security (SCA)
Threat Intelligence API
Managed Vulnerability Disclosure Program
Security Audit Services

Target Customers

Web Developers Web Hosts Software Maintainers Open Source Developers WordPress and WooCommerce Users NodeJS Developers

Funding Rounds & Investors (4)

View All
Funding Stage Amount Investors Lead Investors Date
Series A $5.00M 5
Karma Ventures Emilia Capital
Karma Ventures, Emilia Capital +3
01 Sep 2024
Grant €1.90M 1
European Innovation Council
European Innovation Council
01 Oct 2021
Round Undisclosed 3
LIFT99 Thorgate Ventures Open Data Security
LIFT99, Thorgate Ventures +1
01 Apr 2019
Support Program Undisclosed 1
CyLon
CyLon
01 Jan 2018

Latest News

View All
Estonia's Patchstack partners with Hostinger to bring continuous vulnerability management to Node.js — ArcticStartup
Estonia's Patchstack partners with Hostinger to bring continuous vulnerability management to Node.js
ArcticStartup Jul 16, 2026
Hostinger partners with Patchstack to bring vulnerability management to Node.js hosting — Hostinger
Hostinger partners with Patchstack to bring vulnerability management to Node.js hosting
Hostinger Jul 07, 2026
Patchstack and GoDaddy team up to address faster-moving website security threats - ArcticStartup — ArcticStartup
Patchstack and GoDaddy team up to address faster-moving website security threats - ArcticStartup
ArcticStartup Jun 05, 2026
Estonian Patchstack raise $5M Series A for open-source cybersecurity tool — Tech
Estonian Patchstack raise $5M Series A for open-source cybersecurity tool
Tech Sep 16, 2024
15 Baltic startups to watch, according to investors — Sifted
15 Baltic startups to watch, according to investors
Sifted May 16, 2024

Patchstack Alternatives & Competitors

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FAQ About Patchstack

Patchstack helps web developers to easily secure web apps from third-party component vulnerabilities.
Patchstack was founded in 2021.
Patchstack is headquartered in Estonia.
Patchstack operates in Cyber Security, IT and Internet. Its work centres on Web Application Security, Third-Party Component Vulnerabilities, Open Source Software Vulnerability Intelligence and Website Security. Its customers include Web Developers, Web Hosts and Software Maintainers.
Patchstack has a B2B, SaaS and API business model. Its revenue comes from Subscription, Usage Based and Service Fee.
Patchstack has approximately 50 employees.
Patchstack has completed 4 funding rounds, raising a total of $6.90M. The latest funding stage is Series A.
Patchstack offers: RapidMitigate, Application Security (SCA), Threat Intelligence API, Managed Vulnerability Disclosure Program, Security Audit Services.
Top alternatives and competitors to Patchstack include Socket, CybaVerse, Sucuri Security, Anomali, Fortified Health Security. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Patchstack and Socket are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for Patchstack, https://bouncewatch.com/company/patchstack, updated 1 October 2026. When citing, please name BounceWatch and link this page.

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