List of Tessian Cloud Email Security Platform Customers
Tessian
15 Worship Street,
London, EC2A 2DT,
United Kingdom
London, EC2A 2DT,
United Kingdom
44 20 8068 5223
Professional Services
300
$45M
Since 2010, our global team of researchers has been studying Tessian Cloud Email Security Platform customers around the world, aggregating massive amounts of data points that form the basis of our forecast assumptions and perhaps the rise and fall of certain vendors and their products on a quarterly basis.
Each quarter our research team identifies companies that have purchased Tessian Cloud Email Security Platform for Secure Email Gateways (SEGs) from public (Press Releases, Customer References, Testimonials, Case Studies and Success Stories) and proprietary sources, including the customer size, industry, location, implementation status, partner involvement, LOB Key Stakeholders and related IT decision-makers contact details.
Companies using Tessian Cloud Email Security Platform for Secure Email Gateways (SEGs) include: Clifford Chance, a United Kingdom based Professional Services organisation with 3760 employees and revenues of $2.86 billion, Clyde & Co, a United Kingdom based Professional Services organisation with 5000 employees and revenues of $833.0 million, Clearwater Analytics, a United States based Professional Services organisation with 3000 employees and revenues of $731.3 million, Dentons US, a United States based Professional Services organisation with 1576 employees and revenues of $550.0 million, Mishcon de Reya, a United Kingdom based Professional Services organisation with 1400 employees and revenues of $373.0 million and many others.
Contact us if you need a completed and verified list of companies using Tessian Cloud Email Security Platform, including the breakdown by industry (21 Verticals), Geography (Region, Country, State, City), Company Size (Revenue, Employees, Asset) and related IT Decision Makers, Key Stakeholders, business and technology executives responsible for the software purchases.
The Tessian Cloud Email Security Platform customer wins are being incorporated in our Enterprise Applications Buyer Insight and Technographics Customer Database which has over 100 data fields that detail company usage of software systems and their digital transformation initiatives. Apps Run The World wants to become your No. 1 technographic data source!
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| Logo | Customer | Industry | Empl. | Revenue | Country | Vendor | Application | Category | When | SI | Insight |
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Anthony Collins Solicitors LLP | Professional Services | 312 | $27M | United Kingdom | Tessian | Tessian Cloud Email Security Platform | Secure Email Gateways (SEGs) | 2020 | n/a |
In 2020, Anthony Collins Solicitors LLP implemented Tessian Cloud Email Security Platform on their website as its Secure Email Gateways (SEGs) solution to protect corporate email and client communications. The deployment covers the firm in the United Kingdom and is provisioned as a cloud hosted email security layer for the firm’s primary domain and associated mail flows, aligned to the needs of a 312 person professional services organization.
Tessian Cloud Email Security Platform was configured to deliver core Secure Email Gateways (SEGs) capabilities including inbound and outbound email filtering, anti-phishing detection, attachment scanning, data loss prevention, policy-based routing, and automated quarantine workflows. Configuration emphasized policy templates tailored to legal and compliance requirements, centralized alerting, and audit-ready reporting to support incident review and regulatory obligations.
The implementation integrates with the firm’s cloud email infrastructure and directory services to enforce sender and recipient policies, and it inspects mail tied to the firm domain exposed via their website. Operational governance is managed by IT and compliance stakeholders who own policy lifecycle, incident triage, and phased rollout across practice groups and administrative teams, with user awareness workflows supporting ongoing enforcement.
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Ashmore Credit Solutions Ltd. | Professional Services | 200 | $20M | United Kingdom | Tessian | Tessian Cloud Email Security Platform | Secure Email Gateways (SEGs) | 2020 | n/a |
In 2020, Ashmore Credit Solutions Ltd. deployed the Tessian Cloud Email Security Platform. The deployment uses Tessian Cloud Email Security Platform in the Secure Email Gateways (SEGs) category to secure corporate email traffic across its UK operations and support organizational security and compliance objectives.
Configuration work focused on anti phishing detection, malicious link and attachment scanning, automated policy enforcement, and machine learning based behavioral analysis. Administrators provisioned the Tessian Cloud Email Security Platform admin console for policy tuning, alerting thresholds, quarantine management, and audit logging to support security operations.
The solution was implemented as a cloud hosted gateway inline with the company email flow to inspect inbound and outbound messages prior to delivery. Integration points were limited to existing email routing and authentication controls, with operational ownership assigned to IT and Security teams in the United Kingdom and coverage extending to functions such as legal, compliance, client services, and finance.
Governance emphasized centralized policy management, role based access for security operators, and incident handling workflows to escalate suspected phishing or data exfiltration events. Rollout was provisioned centrally to minimize end user configuration, with ongoing monitoring and policy refinement managed by the security operations function.
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Boodle Hatfield | Professional Services | 170 | $39M | United Kingdom | Tessian | Tessian Cloud Email Security Platform | Secure Email Gateways (SEGs) | 2020 | n/a |
In 2020, Boodle Hatfield implemented Tessian Cloud Email Security Platform as its Secure Email Gateways (SEGs) solution. The Tessian Cloud Email Security Platform was deployed as a cloud hosted email security layer protecting the firm’s external contact points and employee inboxes, delivering automated phishing prevention, machine learning based anomaly detection, outbound data loss prevention, and policy driven message controls.
Deployment scope covered Boodle Hatfield’s United Kingdom operations and the professional services functions responsible for client communications, with centralized policy management and administrative controls configured in the Tessian console. The implementation was applied to secure inbound and outbound email flows associated with the firm’s website and corporate email channels, and policies were scoped to enforce role based controls for legal teams and client facing staff to align email handling with firm governance.
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Bott and Co Solicitors | Professional Services | 150 | $12M | United Kingdom | Tessian | Tessian Cloud Email Security Platform | Secure Email Gateways (SEGs) | 2020 | n/a |
In 2020, Bott and Co Solicitors deployed Tessian Cloud Email Security Platform to protect firm email tied to its bottonline.co.uk domain. The implementation is categorized under Secure Email Gateways (SEGs) and was provisioned as a cloud email security service for the firm's corporate mail environment in the United Kingdom.
The Tessian Cloud Email Security Platform configuration emphasized core SEG capabilities common to the category, including automated phishing and credential theft detection, attachment scanning and isolation, outbound data loss prevention style controls, policy based routing and an administrative policy engine. The deployment used Tessian's cloud management console for rule configuration, alerting and incident investigation, and included user level behavioral analysis and inline mail inspection typical of Secure Email Gateways (SEGs).
Architecturally the solution was implemented as a cloud inline email security layer that processes inbound and outbound mail at the domain level, with DNS and mail routing adjustments to direct traffic through Tessian's platform. Operational scope covered the firm's centralized corporate email for all legal and administrative departments, and the platform was surfaced via the firm's website domain to ensure email protection for client and external communications.
Governance was maintained through centralized admin roles, a policy lifecycle for rule changes and staged enforcement controls to balance false positive risk and user disruption. The rollout included administrative training and continuous monitoring via the Tessian Cloud Email Security Platform, aligning email security controls with the firm's compliance and operational workflows.
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BPE Solicitors | Professional Services | 130 | $15M | United Kingdom | Tessian | Tessian Cloud Email Security Platform | Secure Email Gateways (SEGs) | 2020 | n/a |
In 2020, BPE Solicitors implemented the Tessian Cloud Email Security Platform. BPE Solicitors deployed Tessian Cloud Email Security Platform as a Secure Email Gateways (SEGs) solution to protect corporate email and client communications within the professional services firm.
The deployment followed a cloud SaaS SEG model, providing inbound malware and phishing detection, outbound data protection, attachment scanning and centralized policy enforcement, along with machine learning driven email risk analysis consistent with Secure Email Gateways (SEGs) capabilities. Configuration emphasized policy-based controls and automated email classification to reduce risky messages reaching practice teams.
Operationally the Tessian Cloud Email Security Platform is managed through a centralized administration console that enforces firmwide email policies and generates security alerts for IT and security leads. The firm documents use of the Tessian Cloud Email Security Platform on its website, indicating the solution is a primary layer of email defense for corporate communications.
Governance changes focused on centralizing email security controls, establishing administrative roles for policy management and creating workflows for policy exceptions and incident escalation. These changes align the application, Tessian Cloud Email Security Platform, with legal practice requirements for protecting client sensitive information under the Secure Email Gateways (SEGs) category.
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Professional Services | 800 | $150M | United Kingdom | Tessian | Tessian Cloud Email Security Platform | Secure Email Gateways (SEGs) | 2020 | n/a |
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Professional Services | 900 | $203M | United Kingdom | Tessian | Tessian Cloud Email Security Platform | Secure Email Gateways (SEGs) | 2020 | n/a |
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Professional Services | 3000 | $731M | United States | Tessian | Tessian Cloud Email Security Platform | Secure Email Gateways (SEGs) | 2016 | n/a |
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Professional Services | 3760 | $2.9B | United Kingdom | Tessian | Tessian Cloud Email Security Platform | Secure Email Gateways (SEGs) | 2020 | n/a |
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Professional Services | 5000 | $833M | United Kingdom | Tessian | Tessian Cloud Email Security Platform | Secure Email Gateways (SEGs) | 2020 | n/a |
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Showing 1 to 10 of 35 entries
Buyer Intent: Companies Evaluating Tessian Cloud Email Security Platform
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| Logo | Company | Industry | Employees | Revenue | Country | Evaluated | ||
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FAQ - APPS RUN THE WORLD Tessian Cloud Email Security Platform Coverage
Tessian Cloud Email Security Platform is a Secure Email Gateways (SEGs) solution from Tessian.
Companies worldwide use Tessian Cloud Email Security Platform, from small firms to large enterprises across 21+ industries.
Organizations such as Clifford Chance, Clyde & Co, Clearwater Analytics, Dentons US and Mishcon de Reya are recorded users of
Tessian Cloud Email Security Platform for Secure Email Gateways (SEGs).
Companies using Tessian Cloud Email Security Platform are most concentrated in Professional Services, with adoption spanning over 21 industries.
Companies using Tessian Cloud Email Security Platform are most concentrated in United Kingdom and United States, with adoption tracked across 195 countries worldwide. This global distribution highlights the popularity of Tessian Cloud Email Security Platform across Americas, EMEA, and APAC.
Companies using Tessian Cloud Email Security Platform range from small businesses with 0-100 employees - 5.71%, to mid-sized firms with 101-1,000 employees - 65.71%, large organizations with 1,001-10,000 employees - 28.57%, and global enterprises with 10,000+ employees - 0%.
Customers of Tessian Cloud Email Security Platform include firms across all revenue levels — from $0-100M, to $101M-$1B, $1B-$10B, and $10B+ global corporations.
Contact APPS RUN THE WORLD to access the full verified Tessian Cloud Email Security Platform customer database with detailed Firmographics such as industry, geography, revenue, and employee breakdowns as well as key decision makers in charge of Secure Email Gateways (SEGs).