Fast, dependable IT help—without the runaround.
DNR Computing delivers practical IT support for small businesses and home offices. From Microsoft 365 administration to Wi-Fi and network troubleshooting, you get clear answers, clean fixes, and solid documentation.
Typical response: same day for active clients. Emergency help available.
About DNR Computing
Focused on small and medium-sized businesses. Direct access. No call centers. No long waits.
Daniel Raatz
Over 20 years of experience in IT consulting, infrastructure, troubleshooting, and Microsoft 365 environments. Bachelor of Science in Computer Engineering. Focused on practical solutions, clean documentation, and long-term stability for business clients.
Mac Gibas
Nearly 5 years of experience supporting small businesses and residential clients. Specializes in responsive service, device support, and hands-on troubleshooting.
Our Approach
We operate with a true small-business mindset with a strong focus on small and medium-sized businesses. We have been working with our clients since 2011 and officially operating DNR Computing since 2018. Clients can directly call, text, or email us for service. There are no call centers, no ticket queues buried in corporate systems, and typically no wait times. When you contact DNR Computing, you are speaking directly with the professionals handling your environment. We offer a Managed IT Plan designed specifically for small and mid-sized organizations that want predictable monthly costs, proactive management, and priority support.
Services
Pick what you need—project work, managed IT, migrations, and security services. No fluff, just results.
Endpoint Security (SentinelOne)
We deploy and manage SentinelOne advanced virus and ransomware protection to keep your business systems secure and monitored.
Microsoft 365 Administration
Users, mailboxes, groups, licenses, MFA, basic security posture, OneDrive/SharePoint permissions, and cleanup.
Networking & VPN
Wi-Fi coverage, mesh tuning, router/firewall setup, site-to-site planning, and remote access VPN troubleshooting.
Data & Email Migrations
Professional data and email migrations between Microsoft 365, Google Workspace, and other platforms with minimal downtime and clean transitions.
Remote Management & Support
Secure remote management tools allow us to assist immediately when you call, reducing downtime and speeding up resolutions.
On-Site Service – Central Florida
Local on-site support available throughout Central Florida for businesses that require hands-on assistance.
Pricing
Transparent and straightforward.
Hourly Support & Managed IT Plan
Great for troubleshooting, small changes, and quick fixes. Remote or on-site depending on location.
Managed IT Plan: Our monthly Managed IT Plan is built for small and medium businesses that need consistent support, proactive oversight, and predictable budgeting. Contact us for customized pricing based on users, devices, and infrastructure.
- Minimum: 1 hour minimum for businesses. Residential billed at $105/hr.
- Billing: Billed in 15-minute increments with an itemized invoice and short work summary.
- After-hours / emergency: available with a higher rate (optional).
- Late fee: can be applied to invoices older than 30 days (optional).
Testimonials
Swap these with real quotes (or delete this section if you don’t want it).
“Fast response, fixed the issue the same day, and explained everything in plain English.”
“Got our Microsoft 365 and SharePoint permissions cleaned up and organized. Huge difference.”
“Wi-Fi used to drop constantly. Now it’s stable and faster across the whole building.”
Contact
Send a message and I’ll get back to you.
Quick Info
Contact details.