Castle

San Francisco, United States Founded: 2015 • Age: 11 yrs
Castle is focused on stopping bots and account abuse.
Annual revenue - Latest available
Total funding $13.7M 3 rounds
Employees 21 Tracked headcount
Investors 8 Known backers
Products 3 Services tracked
Competitors 9 Brand Intelligence

About Castle

Castle is a company based in San Francisco (United States) founded in 2015. It operates as a SaaS (Software-as-a-Service) and Pay-per-Use / Usage-Based. Castle has raised $13.72 million across 3 funding rounds from investors including Index Ventures, Y Combinator and First Round Capital. The company has 21 employees as of December 31, 2019. Castle offers products and services including Castle Platform, Device Fingerprinting, and Bot Detection. Castle operates in a competitive market with competitors including Quantexa, ComplyAdvantage, Riskified, Integral Ad Science and Megvii, among others.

  • Headquarter San Francisco, United States
  • Employees 21 as on 31 Dec, 2019
  • Sectors
    Technology
    Media & Entertainment Industrial Goods & Manufacturing Financial Services
  • Phone
    Locked
  • Website
    Locked
  • Social
    Locked
Operational Areas
Technology → Artificial Intelligence & Machine Learning Unlock Sub-Sector Unlock Segment
Media & Entertainment → Marketing, Advertising & Adtech Unlock Sub-Sector Unlock Segment
Industrial Goods & Manufacturing → Security, Surveillance & Safety Systems Unlock Sub-Sector Unlock Segment
Financial Services → FinTech & Digital Finance Unlock Sub-Sector Unlock Segment
Technology → Cybersecurity & Privacy Solutions Unlock Sub-Sector Unlock Segment
Technology → Artificial Intelligence & Machine Learning Unlock Sub-Sector Unlock Segment
Key Metrics
  • Annual Revenue
    Not available
  • Net Profit
    Not available
  • EBITDA
    Not available
  • Total Equity Funding
    $13.72 M (USD)

    in 3 rounds

  • Latest Funding Round
    $11.72 M (USD), Series A

    Feb 11, 2019

  • Investors
  • Employee Count
    21

    as on Dec 31, 2019

Upgrade to premium

Unlock complete access to The Company Check

Get unrestricted viewing across everything we track — from companies and brands to investors, funding rounds, acquisitions, financials, and more.

Upgrade to Premium No viewing limits. Your plan controls exports and screening usage.
Included in your Premium account
  • Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
  • Full access to every database India & global coverage, advanced filters and rich profile details
  • Always-on access from your team account Single premium plan for everything you see on the portal

Products & Services of Castle

Castle offers a comprehensive portfolio of products and services, including Castle Platform, Device Fingerprinting, and Bot Detection.

Product name locked
Category locked
Primary

Fraud and abuse are stopped using advanced technology.

Product name locked
Category locked
Locked

Devices are identified with high accuracy for security.

Product name locked
Category locked
Locked

Bots and scripts are detected to prevent abuse.

People of Castle

Headcount 10-50
Employee Profiles 8
Employee Profiles
People
Adam Zima
Head Of Product & Engineering
People
Johan Brissmyr
CEO & co-Founder
People
Sebastian Wallin
Co-founder & CTO
People
Rafał Malinowski
Staff Software Engineer

Unlock access to complete

Funding Insights of Castle

Castle has successfully raised a total of $13.72M across 3 strategic funding rounds. The most recent funding activity was a Series A round of $11.72 million completed in February 2019. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

Investors in Castle

Castle has secured backing from 8 investors, including venture fund and angel investors. Prominent investors backing the company include Index Ventures, Y Combinator and First Round Capital.

All
Venture Fund
Angel
Investor Description Founded Year Domain Location
Venture capital investments in technology startups and entrepreneurs.
Locked Locked Locked
Early-stage startups are accelerated via funding and educational programs.
Locked Locked Locked
US focused seed and early-stage VC firm
Locked Locked Locked
Premium access

Investor details for Castle

Investor domains, locations, round participation, and complete history require an active premium plan.

  • Investor domains
  • Investor locations
  • Funding rounds
  • Participation history

Verified entity values are shown only after access is granted.

Investments & Acquisitions by Castle

Investments
Premium access

Investment portfolio details for Castle

Portfolio company identities, transaction dates, round details, and investment values require an active premium plan.

  • Portfolio identities
  • Transaction dates
  • Round details
  • Investment values

Verified entity values are shown only after access is granted.

Financial Statements - Castle

Premium access

Detailed financials for Castle

Historical revenue, profit, statement rows, ratios, and trend charts require an active premium plan.

  • Historical revenue
  • Profit trends
  • Statement rows
  • Financial ratios

Verified entity values are shown only after access is granted.

Castle Comparisons

Castle Primary company
Description
Castle is focused on stopping bots and account abuse.
Location
San Francisco, United States
Founded Year
2015
Annual Revenue
Not available
Net Profit
Not available
EBITDA
Not available
Employees
21
As of 2019
Premium access

Peer comparison for Castle

Named peer metrics, headcount, funding, location, and side-by-side benchmarks require an active premium plan.

  • Named peers
  • Headcount comparison
  • Funding comparison
  • Operating benchmarks

Verified entity values are shown only after access is granted.

+
Add Comparison
Available on Premium

Competitors of Castle

Castle operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Quantexa, ComplyAdvantage, Riskified, Integral Ad Science and Megvii, among others.

Company Name Domain Founded year HQ Location Description
Locked Locked Locked
AI-powered data and decision intelligence solutions are provided for businesses.
Locked Locked Locked
Cloud-based anti-money laundering solutions are provided for compliance.
Locked Locked Locked
AI-based fraud prevention for e-commerce payments is provided.
Locked Locked Locked
AI powered ad fraud detection software
Locked Locked Locked
Facial recognition and AI video analysis solutions are provided.
Locked Locked Locked
Cloud based KYC and AML management software
Premium access

Detailed competitors of Castle

Competitor domains, locations, full profiles, and operating metrics require an active premium plan.

  • Domains and locations
  • Full company profiles
  • Operating metrics
  • Competitive positioning

Verified entity values are shown only after access is granted.

Latest news on Castle

Premium access

Complete news archive for Castle

Full article history, source details, and older brand coverage require an active premium plan.

  • Full article archive
  • Source and publication date
  • Older coverage
  • Brand-specific news history

Verified entity values are shown only after access is granted.

Frequently Asked Questions about Castle

Castle was founded in 2015 and raised its 1st funding round 1 year after it was founded.

Castle is headquartered in San Francisco, United States. It is registered at San Francisco, California, United States.

Castle is a funded company, having raised a total of $13.72M across 3 funding rounds to date.

As of Dec 31, 2019, the latest employee count at Castle is 21.

Castle is engaged in providing advanced fraud detection and prevention solutions. The company operates in the cybersecurity sector, offering a comprehensive platform to stop bots and account abuse. Solutions are built to run at the edge and in-app, ensuring dual-layer fraud defense. Various use cases such as fake accounts, account takeovers, and transaction abuse are addressed through behavioral analysis, device fingerprinting, and AI scoring. Tools and APIs are provided to eliminate the need for multiple disconnected systems, enabling real-time protection and analytics for evolving abuse trends.

Castle's top competitors include ComplyAdvantage, Riskified and Quantexa.

Castle offers Castle Platform, Device Fingerprinting, and Bot Detection.

Castle has 8 investors. Key investors include Index Ventures, Y Combinator, First Round Capital, F-Prime Capital, and Zack Urlocker.

Explore millions of companies — effortlessly

Access structured, verified intelligence on 7M+ companies across industries, sectors, and global markets. From early-stage startups to large enterprises, discover ownership, leadership, funding, financials, acquisitions, and market signals — all in one powerful platform.

Free account with essential features Instant access to company reports Enterprise solutions available