Quorum Cyber ranks in top 250 of MSSP list
By SSN Staff
Updated 2:29 PM CST, Thu December 18, 2025
EDINBURGH, Scotland — Quorum Cyber, a cybersecurity firm with over 400 customers across four continents, has ranked in 30th place this year in the 2025 MSSP Alert Top 250 - MSSP Alert's annual list and research tracking the world’s top managed security services providers (MSSPs).
The company has jumped 20 places from its ranking of 50th in 2024, and since 2022 has risen by almost 120 positions. The rating is a measure of the company’s range of managed cybersecurity services and the types of cyber incident it has handled in the past 12 months, along with its revenue and headcount figures.
MSSP Alert is one of the leading online resources that reviews and assesses MSSPs and how they contribute to cybersecurity across the wider global economy. In an ever-evolving market, the MSSP Top 250 sets a benchmark for service excellence and innovation and keeps organizations and decision makers informed about the breadth and quality of services available in the market.
MSSP Alert compares cybersecurity service providers on several criteria including annual recurring revenues, profitability, business growth rate, and more.
In 2025 Quorum Cyber continued to build momentum for a new phase of growth for 2026 and beyond. The company launched its new Threat Division, made several executive appointments, and won a string of prestigious awards. All this on top of integrating its two major acquisitions: Difenda and Kivu Consulting.
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