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Zellus Marketing
Smarter Marketing for Alabama
Since our founding in 2012, we have remained committed to supporting businesses as a trusted marketing agency based in Huntsville. Throughout this time, we have worked with more than 300 clients, helping them increase visibility and improve sales outcomes through the use of modern digital marketing techniques. The diversity of our client base has provided us with extensive experience across numerous industries.

Our services are designed with both flexibility and affordability in mind, allowing businesses to access effective marketing solutions without unnecessary strain on resources. We understand that each organization has unique needs, and we tailor our approach accordingly to ensure optimal results. Our reach extends across the Tennessee Valley, serving businesses in Columbia, Tennessee, Cullman, Alabama, Florence, Scottsboro, and surrounding areas. This broad coverage reflects our dedication to supporting growth at both local and regional levels.
Served areas
  • Huntsville, AL, Albertville, AL, Madison, AL, Auburn, AL, Florence, AL, Jasper, AL, Guntersville, AL, Athens, AL, Birmingham, AL, Gulf Shores, AL, Tuscaloosa, AL, Decatur, AL, Montgomery, AL, Hoover, AL, Cullman, AL, Gadsden, AL, Scottsboro, AL, Mobile, AL
Business details
  • Year established: 2012
  • Employees: 10
Highlights and features
  • AI-first web design built for modern search visibility
  • SEO AEO GEO strategies improving rankings and AI citations
  • Data-driven frameworks increasing brand discovery across digital platforms
  • Transparent reporting with measurable rankings traffic and ROI insights
  • Comprehensive keyword research targeting search and natural language queries
  • Custom marketing solutions tailored for local and national growth
Payment methods
  • Cash, Checks, Debit cards, Credit cards
Services
We have assisted hundreds of businesses in turning search engine exposure into real financial growth. Our consistent top ranking reflects our commitment to delivering effective marketing solutions. Being visible on the first page of search results is essential for success. We help position your business to capture high-value traffic and convert it into customers.
Zellus Marketing, established in 2012, focuses on providing SEO, GEO, and AEO services with a modern perspective. We have consistently led through early adoption of innovations within the Google ecosystem. As artificial intelligence continues to advance, we incorporate its capabilities into our strategies. This approach allows us to deliver effective and evolving marketing solutions.
We provide expertly crafted websites that combine clean design with intuitive navigation. A poorly designed website can lead to lost opportunities, which we work diligently to prevent. Our team partners with you throughout the development process. We ensure the final result reflects your vision while maintaining a professional and welcoming appearance.
Our Google Maps SEO service is built to increase your exposure in local search environments. We prioritize top map rankings to capture the majority of user attention. Through targeted optimization, we enhance your business profile and website. This approach supports stronger visibility and increased customer engagement.
People
Carl Holden
Carl Holden
Cmo
Carl manages the marketing teams and research.

A nerd and designer, Carl is the brains of the marketing operation. He enjoys, as you would guess it, video games and pop culture. He loves spending time with his wife and two young boys.
Craig Stults
Craig Stults
Managing Director
Craig runs sales, operations, and accounts.

An avid soccer player and coach, Craig is a veteran business owner and well connected in the community. Basically all of his free time has something to do with soccer or hanging out with his son.
Reviews (18)
Write a Review
Preston Dinkle
Mar 10, 2026
Carl and his team are some of the most dedicated people I have ever had the pleasure of working with! It was clear to me from day one just how dedicated and perceptive they are at listening to their clients, discerning best approaches, and delivering excellence in their service! Anyone with web-based needs will feel safe with Zellus knowing they are in good hands!
Matthew Hubbard
Mar 03, 2026
I've worked with Carl and Zellus for a while now and I've loved his approach to helping our business with google adwords and his honest approach to business. I never felt pressured and the results were always amazing! Thank you Zellus!
Christopher Hand
Feb 24, 2026
The first AI after hours event was a great experience. Carl did a great job introducing people to the basics of Lovable and what's possible with AI. Hope to see more!
Comp Thermal
Feb 11, 2026
Weve had a great experience working with Zellus for our marketing needs. Carl has been incredibly professional, responsive, and proactive throughout the entire process. He takes the time to understand our business goals and consistently delivers strategies that align with our vision.
The communication is clear, timelines are met, and the results speak for themselves. We truly value the partnership and would highly recommend Zellus to anyone looking for a reliable and results-driven marketing team.
Kelly Bain
Feb 10, 2026
Carl and his team are very knowledgeable and experts in their field. They genuinely care about our business & helped us take our marketing to the next level!! Theyre always looking for ways to help us grow - I am very thankful for their partnership!
James America
Feb 01, 2026
Zellus Digital Marketing - Excellent team! They are clearly customer focused, and provides on-site guidance, coaching, and mentoring related how you can improve and maximize your marketing dollars!

Carl Holden is the outstanding!
Skyler Carter
Jan 30, 2026
Very nice guy. Honest and informative! What more can you ask for! Called him on 1-26-2026. #GoogleSucks
Jeffrey McKee
Jan 21, 2026
My website always gets so many compliments. He is very responsive with any needs and questions. Great quality web page with wonderful results. Highly recommend!
Jeremy Conway
Nov 10, 2025
Weve worked with Zellus Marketing for the past two years and the experience has been outstanding. Their SEO work has helped take MAD Security to the front page of Google nationally for our most important services. This has had a real impact on our visibility and growth.

What I appreciate most about Zellus is their honesty and the way they communicate. Theyre straight talkers who tell you what you need to know and then actually deliver on it. They feel like a true extension of our team. Theyre consistent, proactive, and genuinely invested in helping us succeed.

If youre looking for a marketing team that gets real results and is easy to work with, Zellus Marketing is the partner you want. Weve enjoyed working with them and look forward to continuing the relationship.
Kimberly M. Dunnavant
Apr 17, 2025
Carl and the team at Zellus have been fantastic to work with! Carl is always quick to respond, flexible, and truly goes above and beyond to make sure everything runs smoothly. Highly recommend!
Jennifer VanderWier
Feb 03, 2025
I have used the team at Zellus for multiple companies that I have been a part of and would highly recommend them. Thye sat down with us and understood our goals then designed a deliverable packet that helped us reach those goals. They we great with SEO and ad words and did a lot of work on our websites to increase lead flow. Give Carl and his team a call and see how they can increase your lead gen!
Ben Crow
Jan 03, 2025
Zellus is our go-to provider for all things SEO! They've done a great job building us up to Page 1 in our market and maintaining that position; the monthly reports are very insightful to show which terms they're targeting.
Will Guerin
Nov 09, 2024
I went through two different companies before I found Zellus. I wish I would have found them earlier! Carl and Craig are two of the most down to earth guys I have ever met and they do what they say they will. I would highly recommend them to anyone! They have excelled my small business.

Will Guerin
Rocket City Epoxy
Joseph Mcclanahan
Nov 03, 2024
Great company, employee are wonderful to work with the individual. Ive used Zellus for 5 plus years for several events. Always had a positive interaction with Zellus. I always got compliments on the banners used during the event. I would give them more than 5 stars if I could.
Elaine Oakes
Oct 05, 2024
Zellus consistently delivers measurable RESULTS for their clients! And Carl Holden is brilliant, creative, and dedicated--and also no-nonsense. If he can't help you, he'll tell you. But I bet he can--he's a problem solver on the next level!
Levi A.
Nov 30, 2023
Zellus has been amazing to work with and very responsive. They were able to get results so much faster than I thought was possible. I love the reports that they send monthly so that I can see the metrics. It's not just the metrics though, the results speak for themselves. I regularly get clients now that say they just found me on Google.
Kyle Pope
Aug 07, 2023
Carl has done great things for our company. Quick response time. Great customer service. They know exactly what they are doing and how to get your business noticed. We are thrilled with the services they have provided for our company and we highly recommend them for all your SEO, advertising and other needs for your website/business. We have a great working relationship. Carl even came out and met with us in person at our home, on a holiday weekend, evaluated our business and brought a short and long term plan of action to satisfy our goals. Five stars isnt enough. These guys are EXPERTS!
Brad Thompson
Dec 11, 2021
Carl and the entire Zellus team are amazing! Truly a pleasure to work with time and time again. Would recommend Zellus to anyone looking to expand their business. They get results, hands down best investment you can buy!