How Does a Managed IT Service Provider Work?

MSP service by OneUp Networks

If your accounting firm, wealth management practice, or finance business is looking for secure, reliable IT support, understanding modern managed security service providers (MSSP) and managed IT services is vital. To clarify, this detailed guide, built for U.S. companies, breaks down what MSPs and MSSPs are, how they work, why the finance sector is flocking to them, and what numbers, comparisons, and facts you need to know before you choose a partner.

Managed IT Service Providers (MSP)

Managed IT service providers (MSPs) are expert companies hired to remotely manage your IT systems, networks, cybersecurity, and daily technological operations—often replacing or supporting your in-house IT team. In essence, they work under a service level agreement (SLA), ensuring uptime, security, compliance, and ongoing support for a fixed monthly fee.

Key Functions of an MSP

  • 24/7 system & network monitoring
  • Proactive cybersecurity management
  • Backup & disaster recovery planning
  • Cloud infrastructure & migration services
  • Helpdesk & technical support
  • Compliance & risk management

Why Do Accounting & Finance Firms Need MSPs?

  • Regulatory compliance (SOX, GLBA, etc.)
  • Client data security & privacy
  • Minimized tech downtime
  • Cost efficiency & predictable IT budgets
  • Access to specialized IT expertise
  • Scalable solutions as your practice grows

Managed Security Service Providers (MSSP)

A managed security service provider (MSSP) is a specialized type of MSP focusing solely on cybersecurity. Specifically, they deliver managed IT security services—protecting your firm’s data, infrastructure, and reputation against modern cyber threats 24/7.

MSSP Definition: “A third party that protects an organization’s applications, devices, and systems against cyberthreats, delivering monitoring, detection, response, and compliance management remotely.”

What Does an MSSP Do?

  • Monitors networks for cyber threats 24/7
  • Provides threat detection & incident response
  • Manages firewalls, antivirus, and security devices
  • Delivers vulnerability assessments & penetration testing
  • Ensures compliance with industry regulations
  • Manages security event logging, SIEM, and fraud detection

Examples of MSSP-Covered Services

ServiceIn-House TeamMSPMSSP
PC/Server MaintenanceYesYesLimited
Cloud MigrationYesYesNo
Help Desk SupportYesYesNo
Network SecurityYesYesYes (Advanced)
24/7 Cyber Threat ResponsePossibleSometimesYes (Core Service)
Compliance MonitoringPossibleSometimesYes (Expert Level)
Penetration TestingNoNoYes
Data Loss PreventionNoSometimesYes

How Does a Managed IT Service Provider Work?

  1. Initial Assessment: They audit your technology, security, and compliance needs; afterward, this sets the foundation for your strategy.
  2. Customized Plan: Develop and propose your tailored IT support & cybersecurity roadmap; to that end, aligning services with your specific goals.
  3. Onboarding: Rolling out monitoring tools, integrating your systems, and transferring knowledge; at the same time, ensuring minimal disruption.
  4. 24/7 Monitoring & Management: Proactive maintenance, alerting, and incident resolution; meanwhile, keeping operations running smoothly.
  5. Ongoing Optimization: Continuous improvement, compliance reporting, and tech upgrades; in the long run, strengthening your security posture.

In practice: For an accounting firm, an MSP or MSSP might ensure encrypted email for client tax docs, set up cloud QuickBooks, provide secure remote access for staff, and monitor for ransomware—all while handling regulatory audits.

  • The global MSP market is expected to hit $595B in 2025, growing around 13% year-over-year; comparatively, North America is seeing 12% annual growth.
  • Managed security services are projected to reach $25.67B worldwide in 2025; moreover, there is significant adoption from the financial sector.
  • 82% of IT professionals say they’ve already partnered with or plan to work with an MSSP; in other words, the shift toward managed services is well underway.
  • For every cyber-attack, the average cost for a financial firm is over $6M; as a result, robust MSSP investment has become critical.
  • Leading MSSPs now provide zero trust, real-time SIEM, and AI-driven threat detection; not to mention, these features are already common in top U.S. finance firms.

Benefits for Accounting & Finance Firms

  • Continuous regulatory compliance: GDPR, SOX, GLBA, etc.
  • Reduced risk of breaches/fines: Proactive threat hunting & incident response
  • Lower IT cost: No need to continuously hire/train IT staff, single predictable fee
  • Improved productivity: Less downtime, seamless software updates
  • Faster adoption of cloud/accounting solutions: Secure migration and ongoing cloud support

Practical Example: “Mary’s Accounting”

Mary’s small CPA firm in Chicago manages hundreds of sensitive tax records. After a phishing attempt, she hired an MSSP. Subsequently, they:

  • Installed next-gen email filtering & malware protection
  • Provided 24/7 monitoring with a U.S.-based SOC (Security Operations Center)
  • Ran regular vulnerability scans
  • Delivered compliance reports for audits

In her words:

“With my MSSP, cyber threats are blocked before I even respond to them. I save time, sleep better, and my clients trust I safeguard their personal data.”

Side-By-Side: MSP vs. MSSP vs. In-House

FeatureIn-House ITMSPMSSP
General IT ManagementYesYesSometimes
Advanced CybersecuritySometimesBasicYes (Specialized, 24/7)
Compliance ExpertiseLimitedSomeYes (Regulatory Focused)
Cloud Hosting & MigrationsSometimesYesRarely
Real-Time Threat ResponseUnlikelyOften LimitedYes (Core Service)
SIEM & Zero TrustNoSometimesYes
Cost-EfficiencyLowMedium–HighHigh (Comparative ROI)
Best ForLarge FirmsSMBs, Non-regulated FirmsRegulated, Data-Sensitive Orgs

Must-Have Features in a Top MSSP

  • 24/7 Security Operations Center (SOC)
  • Advanced threat intelligence
  • Automated & human-led incident response
  • Penetration testing & vulnerability management
  • Compliance reporting (all major frameworks)
  • Managed firewall & endpoint protection
  • Rapid incident resolution (measured in minutes)
  • Cloud security integration
  • Transparent pricing/SLAs

Why the Finance Sector Needs an MSSP Now

  • Ransomware attacks increased by 50% in 2025; finance remains the #1 targeted sector.
  • Regulatory fines for non-compliance now average $4.2M per incident.
  • IBM’s Cost of a Data Breach 2025 report: Financial firms see the highest average breach costs.
  • AI-powered threats require 24/7 managed detection & response (MDR/MSSP) for real protection.

FAQ: Managed IT Services & MSSP

What is an MSSP, in plain English?

A managed security service provider monitors and protects your systems from hackers and threats, acting as your cybersecurity goalie 24/7.

How are MSPs and MSSPs different?

MSPs cover all IT operations, whereas MSSPs are cybersecurity specialists providing advanced threat protection and compliance.

I have an in-house IT person—do I still need an MSSP?

Yes—finance regulations and modern threats demand specialist, around-the-clock coverage that MSSPs provide; moreover, they often supplement your IT staff.

What are some signs my firm needs an MSSP?

1.Repeated attacks/phishing emails
2.Concerns over compliance audits
3.Staff working remotely/cloud migrations
4.Growth in data privacy requirements

Is using an MSSP more expensive?

Usually not! MSSPs often save money by preventing costly breaches and fines, and by replacing multiple security tools/services with a single provider.

What is the onboarding process like?

A typical MSSP starts with a security assessment, then, configures tools for your systems, sets up 24/7 monitoring, and provides a compliance roadmap.

Final Thoughts

To begin with, choosing the right managed security service provider (MSSP) or technological partner is now a necessity—not a luxury—for every accounting and finance firm in the US. After all, the numbers don’t lie: the world is, after that, steadily moving towards specialized, managed IT security services for one simple reason—peace of mind. If your firm values not only client trust but also regulatory compliance and operational uptime, then, all things considered, a partnership with a leading MSP/MSSP is the most strategic investment you’ll make in 2025.

Secure Your Practice with Expert IT Security – Get a Free trail from OneUp Networks Today!
Protect your data, stay compliant, and focus on your clients—let OneUp Networks handle your IT security.
Contact Us Now – Your Peace of Mind Starts Here.

Don’t Miss These Helpful Blogs:

LinkedIn
Email
Print
Oliver Westwood

Oliver Westwood

Oliver Westwood is a certified cloud architect and technology writer at OneUp Networks, specializing in cloud hosting for accountants and CPAs. With 10+ years of experience in cloud infrastructure, application hosting, and IT compliance, Oliver simplifies complex cloud topics to help financial professionals adopt secure, scalable, and high-performance hosting solutions. He holds a Master’s in Cloud Computing, along with AWS and Azure Solution Architect certifications. His blogs cover key trends in QuickBooks hosting, Thomson Reuters hosting, and cybersecurity for accounting firms—making him a trusted voice in the cloud hosting industry.

Your email address will not be published. Required fields are marked *

OneUp Networks is Rated & Recommended by the Best -

G2 Award or badge for High Performer as cloud hosting partner
G2 Award or badge for easiest to do business with as cloud hosting partner
G2 Award or badge for most likely to recommend as cloud hosting partner
G2 Award or badge for easiest to use as cloud hosting partner
Upcity badge given to OneUp Networks
Qb Intuit affiliate badge for OneUp Networks
Capterra badge provided to OneUp networks
QuickBooks logo by intuit
Design Rush Badge 2 black
goodfirms rating badge given to OneUp Networks
Proven expert badge
saashub verified OneUp
G2 logo with a round circle along with OneUp Networks partnership
alignable logo with text

Discover How!

Newsletter

Sign up our newsletter to get update information, news and free insight.

Latest Post

Get Your Quote for Hosting Thomson Reuters Apps in the Cloud!

Get a customized quote in seconds! Experience blazing-fast performance, 24/7 expert support, and seamless Thomson Reuters hosting—all at the best price.

🔹 Transparent Pricing | ⚡ No Hidden Fees | 💯 Hassle-Free Setup

Get Started with QuickBooks Cloud Hosting – Buy Now!

  • Lightning-fast performance with zero downtime
  • Free migration & expert setup—no effort needed
  • 24/7 real human support—whenever you need help
  • No hidden fees | Month-to-month billing | Cancel anytime
  • Start Your 15-Day Free Trial – No Commitment!

Limited Time Offer: Just $9.99/month for the first 3 months!

Get Your Quote for Hosting QuickBooks in the Cloud!

Get a customized quote in seconds! Experience blazing-fast performance, 24/7 expert support, and seamless QuickBooks Enterprise hosting—all at the best price.

🔹 Transparent Pricing | ⚡ No Hidden Fees | 💯 Hassle-Free Setup