Service type

Managed Security Service Providers

Providers listing MSSP. Compare monitoring scope, response ownership, and what your team still owns.

Huntress

Managed endpoint, identity, and SIEM monitoring with human SOC investigation, incident reports, and supported containment actions inside the Huntress platform.

SMB / MSP/MSSP · Endpoints

Service MDR
Handles Contain threats
Price Quote-based pricing tied to endpoints, identities, data sources, and learners

Armis Managed Threat Service

Threat hunting, suspicious-activity review, alert enrichment, risk-based policy tuning, weekly findings, trend reviews and investigation support around Armis Centrix.

Mid-Market / Enterprise · Endpoints

Service MSSP
Handles Investigate and advise
Price G-Cloud examples from £134,400 per asset block*

Bridewell Security Operations Center

Hybrid or fully outsourced SOC operation with 24/7 monitoring, alert investigation, threat hunting, threat intelligence, SIEM and SOAR enhancement, incident response leadership and detection improvement across agreed environments.

Mid-Market / Enterprise · Endpoints

Service SOCaaS
Handles Run the SOC
Price Public G-Cloud references by user, server and scope

BT Managed Sentinel

24x7 managed Microsoft Sentinel monitoring, rule tuning, SOC investigation, incident reporting and buyer guidance

Enterprise / Mid-Market · Network

Service MSSP
Handles Investigate and advise
Price Public G-Cloud price from £6,275 per instance

Cyderes MDR

24/7 MDR with analyst investigation, AI-assisted correlation, identity and asset context through Meridian, customer-specific detection and response paths, optional tool management and approved containment actions.

Mid-Market / Enterprise · Endpoints

Service Co-managed SOC
Handles Co-manage the SOC
Price Quote-based subscription by environment size and service level

Deepwatch Guardian MDR Platform

24/7 co-managed MDR with alert validation, investigation, threat hunting, detection engineering, response workflow support, named experts and a shared Security Center layered over supported buyer tools.

Mid-Market / Enterprise · Endpoints

Service Co-managed SOC
Handles Co-manage the SOC
Price Quote-based through direct or marketplace scoping

Netsurion Managed Open XDR

Co-managed Open XDR with managed SIEM, 24/7 SOC monitoring, workflow automation, threat hunting, log retention, compliance reporting and package-dependent endpoint, vulnerability and incident-support options.

SMB / Mid-Market · Endpoints

Service Co-managed SOC
Handles Co-manage the SOC
Price Quote-based, with pay-as-you-grow packaging referenced for MSP buyers

Orange Cyberdefense Managed Threat Detection and Response

24/7 managed detection, triage, investigation and contracted response through Orange Cyberdefense CyberSOCs, Core Fusion and supported EDR, NDR, SIEM, cloud and OT telemetry

Mid-Market / Enterprise · Endpoints

Service MDR
Handles Contain threats
Price Quote-based, private-offer signals

Pondurance

Outsourced SOC coverage with managed SIEM, MDR, threat hunting, triage and scoped containment across existing tools

Mid-Market / SMB · Endpoints

Service SOCaaS
Handles Run the SOC
Price Quote-based, scoped MDR/SOC quote

SecurityHQ Managed SOC

24/7 managed SOC coverage with monitoring, triage, investigation, threat hunting, containment playbooks, reporting, SHQ Response collaboration and optional managed protection or risk services

Mid-Market / Enterprise · Endpoints

Service SOCaaS
Handles Run the SOC
Price G-Cloud examples from £30,664.70 to £297,154 per year*

Verizon Managed SIEM

24/7 SOC monitoring, SIEM alert investigation, incident classification and escalation for a SIEM the buyer already owns

Enterprise / Mid-Market · Network

Service MSSP
Handles Investigate and advise
Price Quote-based, per SIEM serviced device

How to use this list

Use it when

Use this list when you know the service label, but still need to compare the operational scope behind it.

Do not assume

The label is not enough. Two providers can both sell MDR while handling alert triage, containment, tooling, and reporting very differently.

Ask before shortlisting

  1. Compare the actual work performed, not only the service label.
  2. Check whether the provider uses your existing tools or requires its own platform.
  3. Confirm how pricing changes with endpoints, users, log volume, and response scope.
Category background

Managed Security Service Providers (MSSPs) are the foundational layer of the outsourced cybersecurity market. These providers operate dedicated Security Operations Centers staffed by trained analysts who monitor, detect, and escalate security events around the clock. For organizations that cannot justify the significant investment of building and staffing their own SOC, MSSPs offer a proven, cost-effective path to continuous security monitoring.

The Role of an MSSP

MSSPs handle the day-to-day operational burden of security monitoring. Core services typically include log management and SIEM monitoring, firewall and IDS/IPS management, vulnerability scanning, and compliance reporting. Many MSSPs have expanded their offerings over the years to include threat intelligence, incident response retainers, and endpoint protection management, blurring the traditional lines between MSSP and MDR services.

Evaluating MSSP Providers

When comparing MSSPs, the most important factors to weigh are breadth of service coverage, depth of analyst expertise, technology stack flexibility, and track record with organizations in your industry. Pay close attention to how the provider handles escalation — specifically, whether they simply forward alerts or provide contextual analysis and recommended actions. The best MSSPs reduce alert fatigue by triaging and enriching events before they reach your team.

The MSSP market continues to evolve rapidly. Leading providers are investing heavily in automation, AI-assisted triage, and platform consolidation. Many are also adding active response capabilities that were once exclusive to MDR providers. When selecting an MSSP in 2026, look for providers that combine mature operational processes with modern technology and transparent SLAs.

Questions

What is an MSSP?
A Managed Security Service Provider (MSSP) is a company that delivers outsourced security monitoring and management services. MSSPs typically operate 24/7 Security Operations Centers (SOCs) that monitor firewalls, intrusion detection systems, SIEM platforms, and other security infrastructure on behalf of their clients.
How much do MSSP services cost?
MSSP pricing varies widely based on scope, organization size, and service tier. Small businesses may pay $2,000-$5,000 per month, mid-market companies $5,000-$25,000, and enterprise organizations $25,000-$100,000+. Pricing models include per-device, per-user, per-log-source, or flat-fee arrangements.
When should I choose an MSSP over building an in-house SOC?
An MSSP is typically the better choice when your organization lacks the budget for a full in-house security team (which can cost $1M+ annually), needs 24/7 coverage that a small team cannot sustain, or requires rapid deployment of security monitoring capabilities rather than a multi-month build-out.