A six-specialist Denver search firm founded in 2009, offering technical, on-page, content, link, local and AI-search work with public monthly packages starting at $1,500 on a twelve-month agreement.
SEO companies in Colorado
9 SEO companies are in Colorado and scored on public evidence. One listed company publishes a comparable monthly SEO entry price of $1.5k/mo; the others remain Not published.
Demand concentrates in Denver, Colorado Springs, Boulder. The most common in-house disciplines here are Analytics, Technical SEO, Content Marketing, and the verticals with the deepest local bench are Ecommerce, Healthcare, Home Services.
Profiles listed
9
In Colorado
Published retainer floor
$1.5k/mo
Only published floor
Median disclosed tenure
0 yrs
Oldest founded 1998
Hub Score range
50–76
Median 60 of 100
Ranked directory profiles in Colorado
Ordered by Hub Score. Entity type and missing commercial facts are labeled explicitly; nothing is sponsored.
A Colorado Springs-headquartered agency founded in 2003 with more than 200 team members, combining technical, content, local, ecommerce and AI-search work with paid media, Amazon, digital PR and web delivery.
A Denver-headquartered boutique agency operating since 2006, with a current 13-person roster and an SEO practice spanning technical recovery, content, local search, ecommerce and AI discovery alongside social and paid media.
A Golden-based search agency founded as Colorado SEO Pros in 2012, specializing in business-aligned technical, content, link, digital-PR and AI-search programs for B2B, ecommerce and enterprise organizations.
An owner-led Colorado Springs agency operating since 2006, focused on local and technical SEO, map visibility, conversion-oriented websites, paid search and AI-search discovery.
A Denver web and SEO company operating since 1998, combining local and technical search work with content, WordPress development, maintenance and hosting.
A Golden and Denver digital agency combining SEO with in-house web development, paid media, social, creative production, analytics and conversion optimization.
A Colorado Springs local-search provider working month to month on Google Business Profile, listings, websites, reviews, video and call-focused measurement.
A solo Golden-based digital-growth provider offering tiered web, ecommerce, SEO, maintenance, systems integration and training packages to small businesses.
Side-by-side comparison
All 9 Colorado listings compared on the four facts buyers screen first: age, headcount, entry price and pricing model.
| Company | City | Founded | Team | Retainer from | Pricing | Website visits | Hub Score |
|---|---|---|---|---|---|---|---|
| Firestarter SEO | Denver | 2009 | 2-10 | $1.5k/mo | Monthly retainer | No public estimate | 76 |
| Intero Digital | Colorado Springs | 2003 | 150-250 | Not published | Not published | No public estimate | 75 |
| Volume Nine | Denver | 2006 | 10-20 | Not published | Not published | No public estimate | 67 |
| CSP Agency | Golden | 2012 | Not published | Not published | Not published | No public estimate | 62 |
| Colorado Web Impressions | Colorado Springs | 2006 | Not published | Not published | Month-to-month; price not published | No public estimate | 60 |
| SiteWired | Denver | 1998 | Not published | Not published | Custom engagements | No public estimate | 57 |
| Twelve Three Media | Golden | Not published | Not published | Not published | Custom engagements | No public estimate | 57 |
| Casey's SEO | Colorado Springs | Not published | Not published | Not published | Month-to-month; custom price | No public estimate | 52 |
| Moonlight Leads | Golden | Not published | 1 | Not published | Tiered and custom projects; price not established | No public estimate | 50 |
What retainers actually start at in Colorado
Only one listed company publishes a comparable monthly entry retainer: $1.5k/mo. Treat it as one reference point, not a market average; scope, competitiveness and content volume change the actual price.
Floors shown in USD, as published or disclosed by each company.
Fast shortlist for Colorado
Picked mechanically from the data on this page, so you can start a shortlist without reading every profile.
Longest-running
SiteWired · 57Trading since 1998.
Lowest entry retainer
Firestarter SEO · 76Starts at $1.5k/mo.
Boutique team
Volume Nine · 6710-20 people — senior time on the account.
Largest bench
Intero Digital · 75150-250 people across disciplines.
Services available in Colorado
Share of listed companies that deliver each discipline in-house. Anything missing here is work you would brief to a second vendor.
- Analytics9 · 100%
- Technical SEO9 · 100%
- Content Marketing8 · 89%
- Local SEO8 · 89%
- Conversion Optimization7 · 78%
- Paid Media6 · 67%
- Web Development6 · 67%
- Ecommerce SEO4 · 44%
Industries with local depth
Verticals the listed companies document experience in. Deep local bench means you can compare two or three shops that already know your SERP.
- Ecommerce6 · 67%
- Healthcare6 · 67%
- Home Services5 · 56%
- Legal5 · 56%
- Manufacturing & B2B5 · 56%
- Small Business5 · 56%
- Hospitality & Travel4 · 44%
- SaaS & Technology3 · 33%
How to read this state shortlist
Colorado listings with published headcount span 2-10 (1), 10-20 (1), 150-250 (1). Another 5 listings leave headcount Not published. Not published is the most common published commercial model, which helps frame a normal engagement before a sales call.
Match scale to your problem. 1 of the 4 with published headcount is under 50 people, where the people who win the pitch usually do the work. 1 operates at 150+, which buys bench depth for multi-market or multi-location programmes but adds account-management layers.
Treat the published floor as one reference point. The only comparable public monthly entry price is $1.5k/mo. Ask every shortlisted company for the same line-item scope — hours, content output, technical implementation, reporting and contract term — before comparing proposals.
Verify tenure independently. Among the 6 listings with a sourced founding year, median tenure is 0 years; the longest-running listing, SiteWired, has traded since 1998. Founding dates can be checked against company registers and archived versions of the site.
How the Hub Score on this page is calculated
100 points across five factors, each computed from a fact you can check yourself. Nothing here is bought, voted on or averaged from review sites.
- 15 ptsOperating resilience — 3 points under 3 years; 6 at 3-5; 9 at 6-10; 11 at 11-15; 13 at 16-20; 15 at 21+ years. Tenure is useful evidence of continuity, but diminishing bands prevent age from dominating the score.
- 25 ptsDelivery capability — A monotonic diminishing-return curve: 1 service = 6, 2 = 10, 3 = 14, 4 = 17, 5 = 20, 6 = 22, 7+ = 25. Additional documented capability can reduce hand-offs, while diminishing returns limit incentives to pad service lists.
- 25 ptsSector evidence — Industry coverage contributes 10, 14, 16 or 18 points; 1, 2 or 3+ source-linked case studies add 3, 5 or 7 points. Industry coverage establishes relevance; substantive case studies add depth. Diminishing returns stop a long tag or case list from overwhelming the score, while overall source coverage remains a separate confidence measure.
- 20 ptsCommercial clarity — 4 for a live site + 6 for a disclosed entry floor + 5 for a stated pricing model + 5 for a specific best-fit client statement. The model rewards buyer-facing commercial clarity, not higher prices or a preference for retainers over projects. Source depth is tracked separately in Evidence Confidence.
- 15 ptsDelivery capacity — Team bands map monotonically: 10-20 = 5, 20-50 = 8, 50-150 = 11, 150-250 = 13, 250-500 or 500+ = 15. Headcount is treated as capacity, not quality. Larger teams are no longer penalised through an unvalidated ideal-size curve.
SEO companies in Colorado: common questions
- How many SEO companies are listed in Colorado?
- Every company on this page has a verified operating presence in Colorado and is scored with the same published Hub Score model. We only list agencies whose regional presence we can verify, so the count grows as research is completed rather than being padded with unsupported local claims.
- What should an SEO retainer cost in Colorado?
- One listed company currently publishes a comparable monthly SEO entry price in USD. Treat that figure as one reference point rather than a market average, and ask every company for the same line-item scope before comparing proposals.
- Is a local SEO company better than a remote one?
- Locality matters when the work depends on local knowledge — map pack visibility, regional press and language nuance. For national or international programmes, discipline depth matters more than distance. We tie every listing to its real base so you can decide deliberately instead of guessing.
- Can a company pay to rank higher on this page?
- No. Ordering is the Hub Score v2, computed from operating resilience, documented delivery capability, sector evidence, commercial clarity and capacity. Evidence Confidence is published separately. There is no paid placement, sponsored row or commission on introductions.