About
Advanced IT Support
Reliable IT support, delivered with accountability and care, in Jacksonville and beyond.
Advanced IT Support provides dependable, well-managed IT services for small and medium-sized businesses. We take responsibility for keeping systems secure, reliable, and properly supported, so technology enables your business rather than becoming a constant distraction.
Our approach combines enterprise-level standards with personal service. You’ll work with a consistent team who understand your environment, communicate clearly, and are accountable for your IT day to day.
Our approach combines enterprise-level standards with personal service. You’ll work with a consistent team who understand your environment, communicate clearly, and are accountable for your IT day to day.
Our Values
Values That Matter
Our core values aren’t just words on a page – they guide every interaction.
Real People Serving
Real People
We aren't an anonymous voice at the end of the phone, and our clients are more than just a number. Personal, personable service is at the heart of what we do.
Understanding of Our Clients' Time
We know you've lost enough hours to IT issues, so when you tell us what needs fixing, we listen.
The solutions we provide are based on a genuine understanding of what will benefit you, specifically.
Treat Others How We Want to Be Treated
It's basic, but it's fundamental. We act as though we're helping our own business, our own team members, or our own long-time friends: with respect, honesty, and care.
Whatever It Takes
Making it happen means making it happen - period. If it takes us a little more time, some serious research, or going all the way back to the drawing board, then that's what we'll do.
Leading Partnerships, Local Service
While we maintain partnerships with industry-leading technology providers (like Dell, Intel, and Microsoft Azure) to secure our clients the best IT at the best rates, we’ve never lost focus on what matters most: providing personal, neighbourly support to Jacksonville’s thriving business community.
We limit new client intake to ensure every business gets the attention they deserve. With dedicated support and a tech stack unique to you, Advanced puts our clients in the best position to succeed.
Hello from Our Team!
Ready to Help You Advance
Meet the passionate professionals behind our success.
Jeremiah Dillingham
Business Founder
Jeremiah founded Advanced IT Support to help small businesses leverage technology for growth.
What started as a one-person, values-driven operation has evolved into a team dedicated to delivering outstanding IT solutions. He is on a mission to keep the founding values of respect, integrity and exceptional service
Our of work you will find him rebuilding cars or helping neighbors with projects.
Christopher Causey
Senior System Administrator
Christopher is a Senior Systems Engineer with over 20 years of experience in maintaining complex systems and infrastructure.
His dedication to staying ahead of industry trends and commitment to excellence makes him an invaluable asset to the team.
In his downtime you will find Chris playing video games or spending time with his family.
Adilen Dillingham
Office Manager
Adilen is an experienced Office Manager with a proven track record of enhancing workplace efficiency and fostering a positive office environment.
Her dedication to maintaining an organized and collaborative space makes her an essential part of the team.
You will find her tending the garden or doing projects around the house when she’s not running the team!
Marcus Matthews
Help Desk
Marcus is a dedicated Help Desk professional committed to exceptional technical support and troubleshooting services.
Known for clear communication, patience, and a solution-oriented approach, his commitment to support both staff and end-users makes him a key player.
On his days off you will often find him studying for the next certification or spending time with family.
Dave Joseph
Technical Advisor
A recent addition to our team, an accomplished and results-driven IT leader with 16 years of experience in driving technological innovation, optimizing IT operations, and developing strategic IT initiatives aligned with organizational goals.
In his free time you will find him doing renovation projects and spending time with family.
Peyton Higby
Help Desk
Known for a passion for technology both past and present, he enjoys exploring vintage computing systems and understanding how early innovations shaped today’s IT landscape.
Outside of work, he’s an avid concertgoer who appreciates live music and the energy of a great performance.

The Advanced Approach
Trusted by Over 200 Florida Service Trailblazers
From CPAs to law firms, manufacturing to real estate, more than 200 SMBs across Northeast Florida have trusted us with their business technology.
We understand the unique demands of your industry because we help businesses just like yours advance each and every day.
“Incredible service, locally owned and detail oriented, very knowledgeable! These guys are really wonderful and help my small business so much! We left a much larger and impersonal corporate company to come to Jeremiah and his team, and we are so happy we did. Cannot recommend them enough, always happy to help, very responsive and quick.”
Grace S.
Veterinary Office | St. Augustine, FL.
“Having used Advanced for my company for more than 10 years, I highly recommend them! They get back to you quickly and they don’t mind digging in to resolve those tougher issues. I always receive excellent service from Advanced!”
Jens V.
eCommerce | Jacksonville, FL
“Our Church has used Advanced for a about 8 years now. Jeremiah is professional, efficient, PC knowledgeable and reasonably priced. Excellent service and in a timely manner.”
Shirlyn H.
Church | Northside, Jacksonville, FL.
Interested in Finding out More?
We'd love to see if we can help your business!
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In a hurry? Request a call back and one of our experts will be right with you. -
Interested in meeting one of the Advanced IT Support team to discuss how we work and what the options are? Simply click, 'Let's Meet'. -
We can take 30-minutes to cover your biggest challenges or ambitions, and see if we're the right fit to help you succeed - all in the time it takes to grab lunch.