Enterprise Cybersecurity and Managed IT Services from anywhere.

Accellis’ strategic security and managed IT services helps steer the future of business IT management while keeping your organization flexible.

Enterprise Cybersecurity and Managed IT Services from anywhere.

Accellis’ strategic security and managed IT services helps steer the future of business IT management while keeping your organization flexible.

Select your perfect managed services business solution.

Interested in boosting your existing team? Need to outsource it all? Start finding the perfect fit below.

I’m a security leader:

I need a partner to help build and then watch my security infrastructure.

I’m a business leader:

I need someone to take care of all or part of my firm’s technology.

I’m a tech leader

I need to raise the maturity of my current IT infrastructure.

The benefits of a hybrid provider.

Showcasing the benefits of managed IT and security all-in-one, Accellis can both lower your risk while boosting your return on investment.

Managed IT

Full Management

Co Management

Staff Augmentation

Global Support Desk

IT Operational Maturity Level

ITSM / ITOM Analytics




Identity Security

Device Security

Data Security

Backup & DR


Risk & Security Assessments

Policies & Training

Hardening & Analytics

Microsoft Cloud

Microsoft Azure IaaS/PaaS

Microsoft 365 & Office 365

Intune / Azure AD

Windows Auto Pilot

Windows 365

Power Platform

Dynamics 365

Artificial Intelligence

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Scalable, flexible, secure solutions.

We offer a comprehensive variety of managed IT services, cybersecurity, and cloud computing solutions to help give businesses a competitive, intelligent edge. Whether you need fully outsourced IT, help for your internal team, Managed Security, deployment of Microsoft 365 or Microsoft Azure, or implementation of a zero-trust security framework, Accellis’ award-winning team is here to provide the leadership and expertise you need.

Fewer IT Issues
One-Touch Close Tickets
Reduction in User Setup Costs
Reduction in User Compromises


Authors of the next chapter of your business IT services strategy.

Managed IT Services Cleveland

Michael O’Neill

Director of Sales

Joseph S. Marquette

President & Founder

Brandon Bergum


Your Technology. Our Expertise.

Pairing data-driven industry-specific inputs, Accellis creates one-of-a-kind service.

Legal & Advisory Firms

Learn from hundreds of law companies, including 70+ under full management nationwide. Accellis can create a legal IT strategy that minimizes tickets by 66% and exceeds ABA model data security regulations.

Non-profit & Government

Town, city and county governments nationwide use our key management, cloud, and vCIO services. Accellis engineers public, customized solutions for high-tech non-profit organizations and government entities.

Financial & Insurance

We streamline the operations for dozens of financial and insurance companies nationwide. They keep ahead of the competition while meeting compliance obligations. Powerful, cloud-first, zero-trust technology.

Manufacturing & Retail

We have the staff, experience and tools to help your business achieve your next big success. Whether you are a 10-person, multi-generational family business or a 20-site grocery chain with 750+ employees, we have you covered.

Trusted Accellis Partners

Paragon Advisors Inc.
Sonkin Koberna
Weston Hurd LLP
Inland Counties Legal Services
Swanson Gardner Meyers

Happy Clients

Client Testimonials

At the heart of our award-winning, IT management trailblazing is a commitment to a fit between our employees and partners and our existing clients. The MSP business is a shared resource model, and the new clients we hire affect employee and client churn in a profound way. So, we only hire great new clients. The result? Our clients get elite results they can’t stop telling others about and we have the lowest employee turnover rate in the industry.

Our project was a tremendous success. The taxpayers of the City of Milwaukee will never be aware of the savings and operational improvements that were achieved on their behalf, and that is exactly how it should be!

Bob Jorin

Senior IT Support Specialist, City of Milwaukee

We’ve grown to appreciate Accellis not as a typical vendor or service provider, but truly a partner in our practice. I trust them completely. Bottom line for me is that our success can be directly linked to the work Accellis has done.

Jay Cusimano

Managing Parter, Kaman & Cusimano, LLC

I am writing this letter to thank you for your outstanding work on the Security & Risk Assessment. Your expertise and attention to detail were tremendously valuable. As a result of your work and recommendations, we passed our recent audit with flying colors. Again, I would like to express my sincere thanks for your contributions.

Anastasia Sagerman

Operations, TriCor Employment Screening, Ltd.

It is a real pleasure to work with Accellis and their highly skilled, professional, and friendly staff. They find cost effective technical solutions to our business needs. Their quick response shows their dedication and commitment to help us keep our business operations working smoothly. I highly recommend their technical services.

Victor Reyes

CEO, Carlisle, McNellie, Rini, Kramer & Ulrich Co., LPA

Information technology is, and likely always will be, an absolutely critical element of our business. We recognized early on that we simply do not have the knowledge, experience, or ability to manage literally any aspect of our information technology needs. Accellis takes care of it all, which frees us up to do what we’re actually good at.

John Ellis

Partner, Gabriel Partners, LLC

Your competitive edge.

Always intelligent.

We leverage applied AI, machine learning, natural language processing and automation to redefine the meaning of speed to resolution.

Always on.

Work from anywhere can mean work at any time. That’s why our platform is designed with a 99.9% SLA on everything. We make sure your IT is working, wherever you are and whenever you need it.

Ohio Managed IT Services
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Real IT support from real people.

Chat, email, phone, client portal, and onsite support

We support your team how they like it, when they like it, with a sense of urgency. Your time is important. Don’t waste another minute dealing with subpar IT.

Experts in your corner

As Microsoft Gold partners with leading industry certifications in cloud, security, and IT management, we make sure the person you are talking to is as good at their job as you are at yours.

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Are you ready?

Consider Accellis as a partner. We can customize a solution for your company.