Overview

GSX Gizmo is a specialized performance monitoring solution designed for the Microsoft 365 ecosystem. It provides IT teams with real-time visibility into service availability, network conditions, and end-user experience across Exchange, SharePoint, OneDrive, and Teams. By performing synthetic transactions from multiple locations, it exposes obstacles in the cloud or on-premises before they affect employee productivity. In 2020, GSX was acquired by Martello Technologies to lead their Digital Experience Monitoring (DEM) division.

Founder story

Originally GSX Solutions, the company was founded in 1996 in Geneva, Switzerland. The team, led by industry veterans like Antoine Albaret, realized that as enterprises moved to the cloud, IT teams were losing control over user experience. They built GSX to 'give the power back' to IT, leading to their eventual $13M+ acquisition by Martello in 2020.

What it does

• Performs synthetic transactions to simulate user actions in M365 (e.g., opening an email, uploading a file)
• Provides deep visibility into network latency and jitter specifically for Teams voice and video
• Features a centralized dashboard to track service health across global office locations
• Automates root-cause analysis by correlating network performance with M365 service data
• Includes advanced reporting for SLA management and historical trend analysis.

Who it's for

• Enterprise IT Managers
• M365 Administrators
• Network Engineers
• Global Infrastructure Leads

Why it works

• Synthetic Testing: Monitors service from the user's perspective rather than just checking the cloud's status page
• Proactive: Identifies bottlenecks in the local network or ISP before they result in helpdesk tickets
• Precision: Provides granular data on specific M365 workloads like SharePoint or OneDrive
• Integration: Deeply specialized in the Microsoft stack, offering higher fidelity than general APM tools.

Growth strategies

• Targeted the Fortune 500 and large government entities reliant on the Microsoft ecosystem.
• Leveraged a strategic acquisition by Martello Technologies to integrate with a broader DEM suite (Vantage DX).
• Positioned as the definitive 'M365 Health' tool during the massive shift to remote work and Teams adoption.
• Maintained a strong partnership with Microsoft as a certified performance monitoring vendor.

Alternatives

• Dynatrace
• SolarWinds
• Datadog
• ThousandEyes

Comparison overview

• Dynatrace/Datadog: General observability giants; GSX Gizmo is the deep specialist for M365 specific end-user actions.
• ThousandEyes: Network-focused; GSX provides better application-layer synthetic data for Microsoft rich clients.
• GSX Gizmo is the go-to for M365 admins who need to prove that 'the internet is slow, not the app'.