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At Quantum Technologies, we've been helping small businesses in Northeast Wisconsin secure their networks and simplify IT for over 13 years. If your business has 10 to 100 employees and is located in Door County, Kewaunee County, Brown County, or surrounding areas, we're here to make your tech work for you.

From the beginning, we've been 100% committed to making sure business owners have the most reliable and professional IT service in Wisconsin. Our core focus is delivering proactive, compliance-ready IT support to industries like manufacturing, hospitality, agriculture, and professional services. Unlike break-fix providers, we prevent problems before they start - so you can focus on growth instead of glitches.

Don't let unpredictable systems and mounting cybersecurity demands derail your business success. Inconsistent, reactive IT support doesn't just cause delays, it puts your data, reputation, and bottom line at risk.

Quantum Technologies is more than another help desk vendor you call on when disaster strikes - we're your IT strategy team, your compliance partner, your 24/7 monitoring service, and your frontline defense against cyber threats. Our team of talented professionals proactively manages your environment, builds custom technology and compliance roadmaps, and responds rapidly if things go sideways.

When your technology fails and your IT partner can't keep up, the result is costly downtime, staff frustration, potential compliance violations, security gaps, and clients losing trust in your ability to deliver. That's where we step in - with a smarter, strategic approach that enables you to move forward and grow with confidence.

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Business Video Surveillance Systems

Protect your business with commercial-grade camera systems designed for visibility, reliability, and compliance. We provide end-to-end surveillance solutions, including system design, installation, remote monitoring setup, and footage retention tailored to your regulatory needs.
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Cloud Services

Leverage the flexibility of cloud computing without sacrificing control or security. We help you migrate to the cloud, manage hybrid environments, and implement scalable cloud applications and infrastructure that support modern, mobile workflows.
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Cybersecurity Services

Our cybersecurity solutions go beyond antivirus. We implement layered defenses across your entire IT stack — including firewalls, endpoint protection, MFA, employee training, and 24/7 threat monitoring — to protect your systems and data from evolving threats.
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Disaster Recovery Planning

Downtime and data loss are preventable. We design disaster recovery strategies that ensure business continuity, with automated backups, tested recovery protocols, and clear RTO/RPO benchmarks — all tailored to your risk profile and industry requirements.
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IT Compliance Services

If your business is subject to HIPAA, PCI-DSS, CMMC, or other regulatory frameworks, we build compliance directly into your IT environment. From policy creation to system hardening and audit documentation, we make passing inspections and avoiding penalties achievable.
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Managed IT Services

Get full-scope IT support without the overhead of an internal team. We manage your infrastructure, provide 24/7 monitoring and helpdesk support, maintain your systems, and keep everything aligned with your business goals — all under a fixed monthly agreement.
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Microsoft 365 Services

We configure, secure, and support Microsoft 365 environments tailored to your business. That includes email, SharePoint, Teams, and OneDrive — optimized for collaboration, access control, and data protection.
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VoIP Phone Systems

Modern phone systems for modern businesses. Our VoIP solutions provide high-quality voice, video, and messaging capabilities with flexible call routing, remote access, and integration with your business tools — all without legacy hardware headaches.
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Structured Cabling Services

Your network is only as strong as its foundation. We install and maintain structured cabling systems for voice, data, and video — ensuring clean signal paths, consistent performance, and room for future growth.
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Co-Managed IT

Already have an internal IT team? We extend their capabilities with advanced tools, escalated support, compliance expertise, and project execution. Co-managed IT gives your staff the backup and bandwidth to focus on strategic work — not day-to-day firefighting.
Technology plays a vital role in the health and safety of our animals and team. With Quantum Technologies, we've been able to transform our farm's operations. We rely on monitoring systems to track breathing and activity for our livestock, and when our internet goes down, Quantum is always...

Technology plays a vital role in the health and safety of our animals and team.

With Quantum Technologies, we've been able to transform our farm's operations. We rely on monitoring systems to track breathing and activity for our livestock, and when our internet goes down, Quantum is always there to get us back up and running quickly.

Before working with Quantum, our security system was just a few basic cameras from a local store. Now, thanks to their expertise, we've grown to a fully integrated system with 45 360-degree cameras covering every building on the farm. This allows us to see and hear everything, ensuring complete oversight and safety.

The team at Quantum truly understands what we do. They're just a phone call away whenever we need them—whether it's a small issue or something urgent. Even during meetings, they're responsive and resolve problems remotely whenever possible.


Jeremy Heim

Heim's Hillcrest Dairy

Quantum Technologies installed all new servers, switches, Wi-Fi, and wiring at Washington Island High School a couple of years ago. The work was well-planned and executed in a very professional manner. We've had no major issues with anything, and the few things that came up were handled...

Quantum Technologies installed all new servers, switches, Wi-Fi, and wiring at Washington Island High School a couple of years ago.

The work was well-planned and executed in a very professional manner. We've had no major issues with anything, and the few things that came up were handled quickly.

Quantum has exceeded our expectations in both workmanship and service. I would strongly recommend Quantum as an IT partner in Northeast Wisconsin.


Tom Nikolai

Technology Coordinator
Washington Island School District

Working with Quantum Technologies has been a game-changer for us. Having a skilled team right here in Sturgeon Bay is a tremendous benefit. What sets them apart from other IT firms we've worked with is their flexibility and consideration of our unique needs and restrictions. If someone is on...

Working with Quantum Technologies has been a game-changer for us.

Having a skilled team right here in Sturgeon Bay is a tremendous benefit.

What sets them apart from other IT firms we've worked with is their flexibility and consideration of our unique needs and restrictions. If someone is on the fence about choosing Quantum, I'd tell them not to hesitate—having a full-service IT firm with great people is something you need to experience!


Amy Dickson

Sturgeon Bay Yacht Club

The biggest benefit of working with Quantum Technologies has been their fast, prompt, consistent, and reliable service. They provide support when we need it and deliver results effectively and quickly. What truly sets Quantum apart is their efficiency and teachability. Unlike other companies...

The biggest benefit of working with Quantum Technologies has been their fast, prompt, consistent, and reliable service.

They provide support when we need it and deliver results effectively and quickly.

What truly sets Quantum apart is their efficiency and teachability. Unlike other companies I've worked with, Quantum takes the time to explain what's happening and helps me understand and diagnose potential issues. This makes communication smoother and more effective in the future.

I feel confident and secure with their consistent service. With everything else on my plate, Quantum is never a concern—I know I'll always have the right support and service for our business. The staff are quirky and engaging, and I absolutely love their wait-time music. Ha!


Eric Bishop

Newport Resort

The biggest benefit of working with Quantum Technologies is the consistent care and attention I receive. Even though Quantum has experienced phenomenal growth since we started working together, they continue to service my small business with the same dedication and time as they did at the...

The biggest benefit of working with Quantum Technologies is the consistent care and attention I receive.

Even though Quantum has experienced phenomenal growth since we started working together, they continue to service my small business with the same dedication and time as they did at the beginning of our relationship.

What sets Quantum apart is their ability to make you feel that your business is just as important as their larger clients.

After more than 45 years in business and working with many IT companies, I can confidently say Quantum stands behind their work. They provide timely service and always make you feel like a friend rather than just another customer.


Sherry Koenig

Buy the Numbers

Having a reliable local IT company like Quantum Technologies has been the biggest benefit to my small business. They've helped me deal with everything from new equipment to the excellent service provided through Quantum Care. Before Quantum, computer issues meant begging for help anddealing...

Having a reliable local IT company like Quantum Technologies has been the biggest benefit to my small business.

They've helped me deal with everything from new equipment to the excellent service provided through Quantum Care. Before Quantum, computer issues meant begging for help and
dealing with unreliable support. Quantum solved all my IT headaches and gave me peace of mind.

What sets Quantum apart is their reliable service. A simple phone call is all it takes, and a Quantum specialist either logs on remotely or shows up promptly to resolve the issue.
I've recommended Quantum to several people, including my son Jesse, who owns JR Metal Works.

I've worked with Quantum on an even higher level of technology there, and the service has been just as excellent. It's been amazing to see how our relationship has grown over the years.
I'm truly grateful for the support I've received from the entire crew at Quantum.


Tom Kleiman

Accurate Marine & Storage L.L.C.

We have had very few issues since working with Quantum Technologies, and when something does come up, they respond quickly, minimizing any downtime. Their service is great, and the team is highly knowledgeable. The installation of our phones and IT systems went smoothly and was very...

We have had very few issues since working with Quantum Technologies, and when something does come up, they respond quickly, minimizing any downtime.

Their service is great, and the team is highly knowledgeable. The installation of our phones and IT systems went smoothly and was very well-organized.

Overall, we've had a positive experience with both our phones and IT. Quantum delivers exceptional service and support.


Julie L. LaLuzerne

Raibrook

Working with Quantum Technologies has provided us with the internet and technology we need to maintain a secure POS system and efficiently store show data for each production. What sets Quantum apart is their commitment to the community and their collaborative approach. They truly know the...

Working with Quantum Technologies has provided us with the internet and technology we need to maintain a secure POS system and efficiently store show data for each production.

What sets Quantum apart is their commitment to the community and their collaborative approach.

They truly know the businesses they work with and foster strong relationships.

If someone is considering Quantum, I'd say they offer reliable and timely service, care deeply about their clients, and are always there to answer questions and provide support. With Quantum, you feel like a valued member of the team, not just a number.


Lola DeVillers

Rogue Theater