7 Top Managed Security Service Providers for MSPs in 2026

7 Top Managed Security Service Providers for MSPs in 2025 | MSP Pentesting

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As a Managed Service Provider (MSP), vCISO, or GRC firm, your clients rely on you to keep them safe in a tricky digital world. This means you need partners who can add to your services without trying to steal your clients. But many security companies have a problem: their prices are too high, they take too long, and they don't understand how resellers like you work. This guide helps you find the right partners.

We will share a list of the top managed security service providers that help you offer strong security solutions. Think of this like finding the best specialty tool for a big project. Incorporating services like white label pentesting gives you a real edge. We focus on partners who make your business stronger and help you meet your clients' needs for compliance frameworks like SOC 2, HIPAA, and PCI DSS.

A good risk assessment is the start of any security plan, and a penetration testing engagement shows if those plans actually work. The problem is that finding a good pentesting partner is tough. That’s why a channel-only partner offering affordable, manual pentesting is so valuable. This guide will show you what to look for in a partner who delivers fast, quality tests that you can sell as your own. This helps you meet compliance rules, earn client trust, and make more money without hiring a huge team.

Finding the Best Managed Security Service Providers

For organizations using Amazon Web Services, the AWS Marketplace is a one-stop shop for finding top managed security service providers. Instead of searching all over the internet, MSPs and vCISOs can use this platform to find, compare, and buy security services using their AWS account. This makes it much easier to find specialized help like Managed Detection and Response (MDR), managed SIEM, and even white label pentesting solutions.

The best part is the simple billing. Everything you buy goes onto one AWS invoice, which saves you the headache of managing different contracts and payments. This is great for MSPs who handle security for many clients. You can even negotiate private deals with providers to get custom pricing for services that meet compliance needs like SOC 2 or ISO 27001. The key is finding a partner who understands your reseller model.

Why Gartner Peer Insights is a Valuable Resource

When you need to be sure you're picking the right vendor, Gartner Peer Insights is a great resource. It's a review site where real customers share their experiences with top managed security service providers. This helps you see past the marketing promises and get honest feedback on how well a service works, which is crucial for meeting compliance standards like PCI DSS or HIPAA. Think of it as asking hundreds of your peers for their opinion before you make a decision.

Gartner Peer Insights isn't a store; it’s a research tool. You can filter reviews by industry, company size, and location to find providers who have experience with businesses like your clients. This detailed information helps you pick a partner who not only has the right tech but also understands your industry's specific challenges. This helps you avoid risks and choose a partner with confidence. It's an important step when looking for the right pentest partner.

Using G2 to Compare Top Security Providers

G2 is another platform where you can find real user reviews for top managed security service providers. For MSPs and vCISOs, it’s a great way to see what other businesses think about a security partner before you sign a contract. It’s all about social proof, helping you quickly understand who the leaders are in the market.

The platform makes it easy to compare different providers. You can sort them by company size, features, and user ratings to find the best fit for your needs. Whether you need a partner for a SOC 2 audit or one who offers white label pentesting, G2’s comparison tools help you do your homework faster. It’s a smart way to narrow down your choices before you start making calls.

A Look at Secureworks Taegis Managed Detection

Secureworks is a great option if you need a strong, time-tested security solution backed by smart threat intelligence. Their main service, Taegis XDR, works like a security camera system for a client's entire IT setup—covering computers, networks, and the cloud. This complete view powers their 24/7 Managed Detection and Response (MDR) service, which uses smart technology and real security experts to stop threats.

What makes Secureworks special is their Counter Threat Unit (CTU) research team. These are the experts who study the latest hacker tricks and use that knowledge to protect you. Their platform is also flexible, meaning it can work with the security tools your clients already have. This is a huge plus for MSPs managing different client environments that have to meet compliance rules like PCI DSS or HIPAA. You get top-tier protection without having to start from scratch.

Understanding IBM Security Managed Services

For big companies with strict rules, IBM Security offers a powerful set of managed security services. Backed by the famous IBM X-Force threat intelligence team, they provide 24/7 monitoring and management for your entire security system. IBM is one of the top managed security service providers for businesses that need to add deep expertise to their own teams. Think of them as bringing in a world-class security team to work alongside you.

The biggest benefit of working with IBM is their massive range of services. They cover everything from endpoint protection to cloud security, making them a single partner for all your security needs. This is helpful for companies trying to simplify their security and build a long-term plan. Clients also get access to amazing research, like the "Cost of a Data Breach Report," which is incredibly useful for planning and managing risk, especially for compliance audits like PCI DSS. Learn more about MSSP security services.

Exploring LevelBlue's Comprehensive Security Services

LevelBlue, which used to be AT&T Cybersecurity, is a security company with a strong history in both networking and security. For MSPs and vCISOs, LevelBlue offers a wide range of services that protect everything from the network to the cloud. This makes them one of the top managed security service providers for businesses that need security that covers their entire operation. Think of them as a security guard who watches every door and window.

LevelBlue’s strength is their flexible approach. Their services, like Managed Detection and Response (MDR) and vulnerability scanning, are designed to fit into your existing security setup. They also have a partner program that lets MSPs resell their powerful security services under their own brand. This allows you to offer top-notch security without the huge cost of building your own 24/7 Security Operations Center (SOC).

Leveraging Trustwave for Deep Security Expertise

Trustwave is a well-known name in cybersecurity, offering a mix of defensive and offensive services. They are one of the top managed security service providers for companies that need experts who can both defend against attacks and find weaknesses like a hacker would. Their work is powered by the famous SpiderLabs team, who are experts in threat intelligence and research.

What makes Trustwave different is that they combine managed services with top-tier penetration testing and vulnerability management. This means they don't just react to threats; they help you find and fix security holes before they become a problem. For MSPs and vCISOs with clients who need to follow strict rules like PCI DSS and HIPAA, Trustwave is a versatile partner who can help secure all kinds of environments.

Finding Your Ideal White Label Pentesting Partner

Choosing from the top managed security service providers is a big job. We've looked at major players who offer everything from threat intelligence to broad compliance support. Each one has its strengths. The right MSSP for you depends on your clients' specific needs. A big company might need a global provider like IBM, while a cloud-focused business might prefer the AWS Marketplace.

But as an MSP, vCISO, or GRC company, you have unique needs. You need more than just foundational security. You need a partner who understands the channel and won't compete with you. This is especially true for services like penetration testing. The big providers often have long wait times, high prices, and reports that don’t make sense for your clients. They just aren't built for the speed and affordability you need.

That’s where a specialized, channel-only partner makes all the difference. You need a partner who is 100% focused on your success as a reseller. Think about it: when your client needs a risk assessment for a SOC 2 or HIPAA audit, you can't wait weeks for a report. You need a partner who delivers fast, affordable, and high-quality manual pentesting with reports you can proudly put your name on.

Our pentesters hold top certifications like OSCP, CEH, and CREST, ensuring your clients get expert-level testing. We provide white label pentesting so you can build your brand and your profits. We never compete with you—we are here to help you grow.


Choosing the right MSSP is just the start. The next step is finding a partner who fills the gaps and helps you shine. At MSP Pentesting, we provide the fast, affordable, and expert manual pentesting that MSPs and vCISOs need to succeed. Partner with us for your pentesting needs and never worry about channel conflict again. Contact us today at MSP Pentesting.

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