The Top 8 SEO Companies in Denver, CO

The top SEO companies in Denver, CO are:

Search engine optimization (SEO) is the way of the internet, and if your business doesn’t have a strategy yet, you’re likely missing out on reaching thousands of local customers. Luckily, there’s no shortage of SEO companies that specialize in the subject and are ready to transform your website into a powerhouse of searcher-friendly content.

If your business operates out of Denver or anywhere else in Colorado, it makes sense to have a Denver-based SEO company that knows the unique sphere of local interests like no one else. To help you make your choice, we’ve compiled a list of the best options that started out exactly where you are and are ready to give back through industry-leading SEO services.

Top Denver SEO companies you can partner with

It’s important to have options when making a large decision like finding an SEO company. Take a look at the top three agencies below, get quotes from all of them, and see where your future holds when it comes to ranking your business online!

1. Firestarter SEO

Location: Denver, CO
Services: SEO, PPC
Team size: 2–9
Investment: $1,000+

Firestarter SEO specializes in technical SEO, onsite rankings, and link building, positioning itself as a hands-on partner that ensures clients never feel alone in their growth journey.

Reviews:

• “We don’t have to wait for them to call, as they’re consistently responsive to our needs.” [Clutch]
• “Their team communicates very well and helps us understand things that are out of our expertise.” [Clutch]
• “Kyle and his team at Firestarter have been amazing! They have helped my business grow so much and have really improved our exposure on Google.” [Google]

2. Intero Digital

Location: Colorado Springs, CO
Services: SEO, PPC, Social Media
Team size: 250–999
Investment: $1,000+

Intero Digital is a full-service agency offering SEO, AI SEO (GEO), PPC, and social media, backed by patented technology for digital marketing, web design, and content strategy. Their client-centered approach adapts to specific industries to deliver tailored campaigns.

Is Intero Digital the right company for you? Here are some perks of choosing this partner:

• Strong communication skills and responsiveness to clients
• Adaptable to specific industries to deliver tailored campaigns
• Client-centered approach

Reviews:

• “Intero Digital became our trusted partner to re-start SEO efforts after a major website overhaul… After only a few months, we were back in the game.” [Google]
• “Their level of expertise and cutting-edge technology appears to surpass that of their competitors.” [Clutch]
• “They brought a strategic, big-picture perspective to our brand consolidation.” [Clutch]

3. WebFX

Location: Global
Services: SEO, AI SEO, PPC, and more
Team size: 250–999
Investment: $1,000+

WebFX is an award-winning digital marketing agency that creates custom strategies for small-to-midsized businesses. The team takes each client’s goals, industry, and target market into consideration to form a strategy designed to grow their business. WebFX is a full-service agency serving sectors like healthcare, home services, manufacturing, and more.

Is WebFX the right company for you? Here are some perks of choosing this partner:

• In-depth research and understanding of industry to turn out relevant campaigns
• Client-exclusive marketing software for tracking and reporting marketing results
• Clear and transparent communication about performance
• Results-driven campaigns that lead to traffic, leads, and sales

Reviews:

• “Their level of professionalism as well as expertise and experience in making everything work is impressive.” [Clutch]
• “Their personnel are some of the most genuine, attentive & knowledgeable in the field.” [Google]
• “We have nothing but good reviews for WebFX. We’ve seen great results so we highly recommend them.” [Clutch]

4. Epidemic Marketing

Location: Colorado
Services: SEO, Digital Strategy, Web Design
Team size: 2–9
Investment: $1,000+

Epidemic Marketing has spent more than a decade tracking SEO trends across industries, delivering personalized plans built around each client’s products, services, and competitive positioning. The agency boldly claims to be “the last SEO agency you will ever hire.”

Reviews:

• “Noah & Epidemic Marketing did an excellent job updating my website.” [Google]
• “Noah and April at Epidemic marketing are amazing… they were a big part in our success.” [Google]
• “After taking the consulting service from Epidemic Marketing, I noticed a real improvement in my business… My revenue almost doubled within a few weeks.” [Google]

5. Peaks Digital Marketing

Location: Colorado
Services: SEO, Web Development
Team size: 10–49
Investment: $5,000+

Peaks Digital Marketing offers a holistic marketing strategy combining white-label SEO, content marketing, and web development, with a strong emphasis on results-oriented client partnerships and flexible campaign management.

Reviews:

• “The team at Peaks Digital Marketing consistently demonstrates exceptional expertise and creativity in optimizing marketing strategies.” [Google]
• “Peaks Digital Marketing did a fantastic job helping us port an existing WordPress site to Shopify as part of a recent acquisition.” [Google]
• “The website team works together quickly and efficiently to produce a final product with a quick turn around time.” [Google]

6. Clicta Digital Agency

Location: Colorado
Services: SEO, Web Development
Team size: 10–49
Investment: $5,000+

Clicta Digital Agency is a growth marketing firm focused on lead generation, digital PR, and reputation-based marketing, with a down-to-earth approach that meets clients where they are to build lasting brand recognition.

Reviews:

• “After meeting with Ron of Clicta Digital, I was very impressed with his breadth of marketing skills.” [Google]
• “Ron did some SEO work for our business. Was great to communicate with, work was everything we wanted. We would 100% recommend.” [Google]
• “Ron is very professional and knows how to take your business to the next level digitally.” [Google]

7. Get Found Fast

Location: Colorado
Services: Digital Strategy, SEO, Social Media Management, Web Design
Team size: 10–49
Investment: $5,000+

Get Found Fast builds integrated strategies combining paid advertising, SEO content creation, and link building simultaneously to accelerate results, with ongoing data tracking to continuously evolve the approach.

Reviews:

• “Get Found Fast has provided great service, and excellent results!” [Google]
• “They took the time to understand our business, and in return we’ve gotten better qualified leads and more deals signed.” [Google]
• “We are working with Get Found Fast for both SEO and ads… we have seen a big improvement in people finding us online!” [Google]

8. Volume Nine

Location: Denver, CO
Services: SEO, Content Marketing, Social Media Marketing
Team size: 50–249
Investment: $1,000+

Volume Nine is a data-driven SEO and content marketing agency focused on measurable results through tailored keyword research, on-page and off-page optimization, content creation, and analytics reporting.

Reviews:

• “The level of experience of their team and the maniacal focus on performance are impressive.” [Clutch]
• “Volume 9 was able to work with us to set up some quick and easy things to do to get our SEO and digital marketing a solid foundation!” [Google]
• “The team was very supportive, providing deliverables on time.” [Clutch]

Grow your business with a top Denver SEO company

Start growing your organization’s local and national presence with WebFX, the top Denver SEO company. If you are also interested in USA SEO companies in locations like New York City or Los Angeles consider exploring options there to find the best fit for your business’s SEO needs and growth strategies.

With its innovative tech and industry-leading team, WebFX will help you streamline SEO and use it to fuel your online and offline growth. 

Explore their custom SEO solutions to learn more now!