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Closed Door Security Logo
Closed Door Security CB Rank
258112
Heat Score
86
Closed Door Security is an IT Consulting firm that offers infrastructure, mobile app security testing, and social engineering.
Founded
obfuscation
Private Stornoway, Eilean Siar, United Kingdom1-10 cdsec.co.uk
Consulting
Cyber Security
Penetration Testing
Overview

Closed Door Security
Heat Score
86

Growth Score
pts
in past quarter
Heat Score 86
39 pts
in past quarter

Company Performance Metrics

Score
Trend
AI Content may contain mistakes and is not legal, financial or investment advice.Learn more.
Growth Score - The measure of growth based on company activity, operational metrics, and investments
Growth Trend - The change in the growth score over the given time period
Heat Score - The measure of the market interest, media activity, and Crunchbase profile activity
Heat Trend - The change in the heat score over the given time period
Learn More >
Recent Milestones
Raised Funding Round
Jan 1, 1970
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Raised Funding Round
Jan 1, 1970
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+2 more milestones
See more interactive data and historical milestones on desktop for the best experience

About Closed Door Security

CB Rank
258112
Closed Door Security is an IT Consulting firm that offers infrastructure, mobile app security testing, and social engineering.
Founded
obfuscation
Private Stornoway, Eilean Siar, United Kingdom1-10 cdsec.co.uk
Consulting
Cyber Security
Penetration Testing

Details

Operating Status Active
Company Type For Profit
Phone Number +44 0131 460 4180
Contact Email info@cdsec.co.uk
Predictions & Insights

Growth Prediction

See this Growth Prediction

Products & Services

CREST-Accredited Penetration Testing
A service providing detailed security testing of IT systems and web applications to identify vulnerabilities and potential exploits.
IASME Cyber Assurance
An audit service assessing an organization's infrastructure against standards required by regulations like GDPR, serving as an alternative to ISO27001.

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Financials
Market Intelligence
People
View Profiles & Contacts
Headcount 1-10 Contacts 2
News

News and Press

News•Jun 1, 2026
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News•Mar 19, 2026
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News•Apr 1, 2025
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News•Jan 31, 2025
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Access a complete feed of recent news and press, from product launches to leadership changes.
Technology
View Tech Report

Monthly Web Visits

1,371
396.74%
 in past month

IT Spend

$118.2KThis year, Closed Door Security is projected to spend $118.2K on IT, according to Aberdeen.

Active Website Tech Count

13Closed Door Security is actively using 13 technologies for its website, according to BuiltWith. These include Common Crawl, CommonCrawl Top 5m, and  Person Schema.
Sub-Organizations
Frequently Asked Questions

Where is Closed Door Security's headquarters? Closed Door Security is located in Stornoway, Eilean Siar, United Kingdom.Who are Closed Door Security's competitors? Alternatives and possible competitors to Closed Door Security may include CrowdStrike, Rapid7, and  Tenable.
Who We Are
What We Do
Helpful Links
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