Insights

Enhanced Threat Detection Clearswift's integration of advanced Deep Content Inspection and OCR technology positions it as a leader in threat detection within email, web, and cloud environments. This presents opportunities to target organizations prioritizing high-level content filtering and image-based threat mitigation, especially in critical infrastructure sectors.

Global Support Network With offices across Europe, Australia, Japan, and the US, Clearswift offers around-the-clock support that appeals to multinational organizations seeking reliable cybersecurity partnerships, creating a sales channel for expanding into enterprise markets requiring consistent global service.

Recent Product Innovation The launch of OCR functionality across core security products indicates a focus on combating image-based threats, providing an entry point to engage clients with security gaps in image sharing and compliance needs, particularly in sectors like government and finance.

Acquisition Strategy The recent acquisition of Digital Guardian suggests Clearswift’s expansion into comprehensive data loss prevention, opening sales opportunities within organizations seeking integrated cybersecurity solutions that combine threat prevention with data protection.

Mid-Market Focus With revenues between 50 and 100 million dollars and a dedicated tech stack, Clearswift is positioned to target mid-sized to large organizations that require tailored, scalable cybersecurity solutions, especially those in regulated industries that emphasize data security and compliance.

Clearswift Tech Stack

Clearswift uses 8 technology products and services including AdRoll, Cloudflare Web Optimizations, Hotjar, and more. Explore Clearswift's tech stack below.

  • AdRoll
    Advertising
  • Cloudflare Web Optimizations
    Analytics
  • Hotjar
    Analytics
  • AdRoll CMP System
    Consent Management
  • jQuery
    Javascript Libraries
  • HubSpot Chat
    Live Chat
  • Cloudflare Bot Management
    Security
  • AddToAny
    Widgets

Media & News

Clearswift's Email Address Formats

Clearswift uses at least 1 format(s):
Clearswift Email FormatsExamplePercentage
First.Last@clearswift.comJohn.Doe@clearswift.com
75%
FLast@clearswift.comJDoe@clearswift.com
19%
Last@clearswift.comDoe@clearswift.com
3%
FirstLast@clearswift.comJohnDoe@clearswift.com
3%

Frequently Asked Questions

Where is Clearswift's headquarters located?

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Clearswift's main headquarters is located at 1310 Waterside Arlington Business Park Theale, Nr. Reading, Berkshire RG7 4SA GB. The company has employees across 5 continents, including EuropeNorth AmericaAfrica.

What is Clearswift's phone number?

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You can contact Clearswift'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 Clearswift's official website and social media links?

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Clearswift's official website is clearswift.com and has social profiles on LinkedIn.

What is Clearswift's NAICS code?

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Clearswift's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Clearswift have currently?

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As of September 2025, Clearswift has approximately 201 employees across 5 continents, including EuropeNorth AmericaAfrica. Key team members include Vice President Of Finance: M. R.Cto: A. P.Vice President: I. B.. Explore Clearswift's employee directory with LeadIQ.

What industry does Clearswift belong to?

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Clearswift operates in the Computer and Network Security industry.

What technology does Clearswift use?

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Clearswift's tech stack includes AdRollCloudflare Web OptimizationsHotjarAdRoll CMP SystemjQueryHubSpot ChatCloudflare Bot ManagementAddToAny.

What is Clearswift's email format?

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Clearswift's email format typically follows the pattern of First.Last@clearswift.com. Find more Clearswift email formats with LeadIQ.

When was Clearswift founded?

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Clearswift was founded in 1982.
Clearswift

Clearswift

Computer and Network SecurityBerkshire, United Kingdom201-500 Employees

Why Clearswift? 
Clearswift is trusted by government, defense and financial organizations around the world to prevent cyber threats and protect critical information. Its Adaptive Cyber Security and Data Loss Prevention solutions provide an unparalleled layer of inspection, sanitization and threat prevention, enabling secure collaboration through across email, web, endpoint and cloud applications. 
What Makes Clearswift Unique? 
Embedded deep at the core of its products is a robust Deep Content Inspection (DCI) engine that inspects information flowing in and out of the network, identifies risks and applies the appropriate levels of security actions. The DCI engine will deconstruct a document or file, remove information that breaks policy (rules), then reassemble the contents and continue it safely on its way, minimizing impact on the business. 
New Optical Character Recognition (OCR) technology and anti-steganography features keep Clearswift ahead of the curve in detecting threats based in digital image files.  
Cyber Security Products 
Whether it’s to help secure email, the web, the cloud, Office 365 or the endpoint, Clearswift solutions offer an unparalleled level of content threat protection for businesses operating in the critical infrastructure space. The product suite includes: 
•	Secure Email Gateway
•	Secure Exchange Gateway
•	Secure Web Gateway
•	Secure ICAP Gateway
•	Argon for Email
•	Secure Archiving
•	Email Encryption
•	Endpoint DLP
•	Information Governance Server
The products can be deployed as standalone solutions, or be used to enhance existing systems in place, whether on premise or in a cloud-based email platform such as Microsoft Office 365 or Gmail. 
Clearswift Around the Globe
Clearswift operates from offices in Europe, Australia, Japan and the United States, enabling it to offer its customers a ‘follow-the-sun’ level of support. 
More information is available at www.clearswift.com

Section iconCompany Overview

Headquarters
1310 Waterside Arlington Business Park Theale, Nr. Reading, Berkshire RG7 4SA GB
Phone number
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
1982
Employees
201-500

Section iconFunding & Financials

  • $50M$100M

    Clearswift's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    Clearswift's revenue is estimated to be in the range of $50M$100M

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