Mesh Security
About
Mesh Security Limited is an email security platform built exclusively for Managed Service Providers (MSPs). The company offers perimeter and mailbox-level email protection solutions designed to help MSPs defend their SMB clients against threats such as phishing, business email compromise, malware, and ransomware. Founded in 2020 and headquartered in Dublin, Ireland, Mesh differentiates itself through MSP-specific features including PSA billing synchronization, multi-tenant management, and custom...
Details
VenSearch Intelligence
Ideal Customer
- Mesh is exclusively designed for managed service providers (MSPs) and does not sell directly to end customers.
- Its sweet spot is MSPs managing Microsoft 365 environments for SMB clients who need centralized, multi-tenant email security management across their entire customer base from a single pane of glass.
Key Differentiators
- Mesh positions itself as the world's first and only email security platform built exclusively for MSPs, developed from the ground up in 2020 with direct input from over 200 MSPs rather than being adapted from an enterprise product.
- Its core differentiator is true multi-tenancy via its MSP Hub, enabling centralized cross-client email search, global rule application, and two-click remediation across an MSP's entire customer base simultaneously — a capability competitors have typically lacked.
Industries Served
- Mesh Security is exclusively focused on the managed service provider (MSP) channel and does not directly target specific end-user industries.
- Its MSP customers serve SMBs across a broad range of sectors, with referenced customer MSPs operating in the UK, US (Maryland), Ireland, South Africa, and Canada.
Service Coverage
- Mesh Security (meshsecurity.io) operates globally, with its primary focus on MSP partners in Ireland, the UK, the US, and Canada.
- The company launched first in Europe before expanding to the US market, and its support infrastructure includes dedicated phone lines for the US, UK, and Ireland.
Partnerships
- Mesh has an integration with Gradient MSP for PSA billing reconciliation, enabling MSPs to sync Mesh licensing data with PSA platforms including ConnectWise Manage and other tools supported by the Gradient Synthesize platform.
- The company also integrated natively with ConnectWise Manage and HaloPSA for licensing sync.
Company Size & Ownership
- Mesh Security was founded in 2020 by Brian Byrne (CEO), Ralph Casey (CTO), and Daimhin Kavanagh, all of whom previously worked together at another email security company serving MSPs.
- The company is small, with reported employee counts ranging from 8 to approximately 19 depending on the source and time period, and is broadly categorized as an 11–50 employee firm.
Compliance & Certifications
- Mesh has achieved both SOC 2 Type II and ISO 27001 certifications, which it prominently highlights as core to its commitment to security and data handling.
- In January 2022, Mesh also became the first email security provider to be certified as carbon neutral.
Compiled from public sources by VenSearch · Last researched October 14, 2026
Offerings
5 offeringsMesh 365
Mesh 365 is an API-based mailbox protection solution that integrates directly with Microsoft 365 to detect and remediate email threats within the mailbox environment. It does not require MX record changes and is suited for MSPs managing Microsoft 365 tenants. It provides protection against advanced email attacks including business email compromise, phishing, and impersonation threats.
Mesh Gateway
Mesh Gateway is a perimeter-based email security solution that operates as an MX-based gateway to filter inbound email threats before they reach the mailbox. It is designed for MSPs to deploy across their customer base with centralized management. It protects against threats such as phishing, malware, ransomware, and business email compromise at the email perimeter.
Mesh Unified
Mesh Unified combines both perimeter and mailbox protection into a single complete email security solution for MSPs. It integrates Mesh Gateway (MX-based) and Mesh 365 (API-based) to deliver layered defense against advanced email threats. This combined deployment option is designed for MSPs who want comprehensive coverage across all attack vectors.
MSP Enablement
Mesh provides MSPs with professionally designed, custom-branded marketing materials, end-user guides, and email templates to support marketing, selling, and onboarding of the Mesh platform. This enablement program is designed to reduce the friction MSPs face when bringing email security services to market. It is included as part of the Mesh MSP partner program.
NFR Licenses
Mesh offers free Not-for-Resale (NFR) licenses to MSPs with paying customers on the platform, allowing MSPs to use Mesh to protect their own internal domain from advanced email attacks at no cost. This program lets MSPs experience the product firsthand while securing their own organization. It is positioned as a benefit exclusive to active MSP partners.
Considering Mesh Security?
Our team will work with you to determine if Mesh Security is the right fit for your organization. From research and assessment through procurement negotiation and ongoing vendor management — we handle the entire process at no cost to you.