OpenServed

Best Professional Services SEO Agencies (2026) – Ranked by Case Studies

Capital Campaign Pro Client-verified
SEO
Professional Services
11-50 Employees
N/A
Westfield, NJ
N/A
  • 15.2% year-over-year increase in organic traffic
  • Page one rankings for highly competitive capital campaign keywords
Jitasa Client-verified
SEO, Content Marketing
Professional Services
201-500 Employees
N/A
Boise, ID
N/A
  • 51% year-over-year lead growth
  • 62% year-over-year increase in organic traffic
  • 59 high-value keywords on page one of search results
SEO, GEO
Professional Services
11-50 Employees
N/A
Atlanta, GA
N/A
  • 175% increase in organic search leads in six months
  • 55 more page-one keywords
  • Optimized content traffic up 304%
Orbis Environmental Client-verified
SEO, PPC
Professional Services
1-10 Employees
N/A
United Kingdom
N/A
  • 116% inquiry increase
  • 4.93% average CTR
  • 2M+ organic impressions and 21.3K organic traffic
  • Client grew from 2 to 10 employees in 3 years (testimonial)
Web Development, SEO
Professional Services
N/A
N/A
Coral Gables, FL
N/A
  • 50% of tracked keywords in the top 10
  • 70%+ organic impressions
  • 2-minute average engagement time
  • 800+ page views and 300+ clicks
Atlas HXM Client-verified
PPC, SEO, Lead Generation
Professional Services
1K-5K Employees
N/A
Chicago, IL
N/A
  • 4x deal volume and 3x deal quality in 7 months
  • Conversion rate +34%
  • Cost per opportunity down 27%
  • MQL-to-opportunity rate from 41% to 55%
  • Google Ads pipeline delivered ~5.5x ROI on spend
Search Solution Group Client-verified
SEO, Web Design, Lead Generation
Professional Services
51-200 Employees
N/A
Charlotte, NC
N/A
  • +40% inbound leads by Q1 2023
  • +50% organic search traffic over six months
  • +35% click-through rate after moving to responsive search ads
GEO, SEO, Content Marketing
Professional Services
201-500 Employees
N/A
Taunton, United Kingdom
N/A
  • 80 pieces of coverage secured
  • 200 million total reach
  • 60% of coverage in Tier 1 media
  • 25% of coverage included backlinks, supporting GEO performance
  • Average domain authority of coverage: 61
Rhino Safety Client-verified
SEO
Professional Services
11-50 Employees
N/A
Sandbach, United Kingdom
N/A
  • 156% increase in organic sessions
  • 159% increase in new organic users
  • 97% growth in keywords
  • Domain rating up from 22 to 26 in just over 6 months
HRBoost Client-verified
SEO, Content Marketing, Web Design
Professional Services
11-50 Employees
N/A
Libertyville, IL
N/A
  • Users, sessions and page views up 300%+
  • Bounce rate cut by more than half
  • Client since 2019
Web Design, Web Development, SEO
Professional Services
51-200 Employees
N/A
Irvine, CA
N/A
  • 96.16% increase in leads
  • 1.26% increase in sessions
  • 6.01% increase in organic search sessions
  • 25.41% increase in social sessions
  • 28.82% increase in social users
Web Design, Web Development, SEO
Professional Services
11-50 Employees
N/A
Binghamton, NY
N/A
  • 37.04% increase in users
  • 28.47% increase in sessions
  • 30.87% increase in avg. session duration
  • 38.66% increase in organic search
  • 714.29% increase in referral traffic
SEO, Local SEO
Professional Services
11-50 Employees
N/A
London, United Kingdom
N/A
  • 77 Page 1 rankings
  • 37% YoY increase in organic traffic
  • 6,840 increase in Google places across tracked keywords
  • 50 keywords in the top 3 of the local map pack
SEO, Local SEO, Content Marketing
Professional Services
N/A
N/A
N/A
N/A
  • 60+ Google page 1 results
  • 57% increase in organic traffic
  • 1900% increase in lead generation since campaign launch
  • 168% return on investment
SEO
Professional Services
1-10 Employees
N/A
Jacksonville, FL
N/A
  • +43% Conversion Rate
  • +56% Organic Traffic Growth
  • +47% Keyword Rankings
  • +104% Total Clicks
SEO, PPC, Web Design
Professional Services
N/A
N/A
N/A
N/A
  • +22% Site Visitors
  • +38% Search Traffic
  • +42% Page Views
  • +77% Online Leads
Web Design, SEO, Content Marketing
Professional Services
N/A
N/A
N/A
N/A
  • Custom redesign of The PREP Report, launched summer 2023
  • Competitor and content gap analysis
  • Editorial calendar
  • Monthly strategy calls and reporting
SEO, Content Marketing, GEO
Professional Services
N/A
N/A
N/A
N/A
  • Ongoing SEO and content with monthly strategy calls
  • Seasonal content timed to spring and fall survey cycles
  • AI citation tracking across Perplexity and Claude
  • Author and executive bio rewrites
SEO
Professional Services
N/A
N/A
N/A
N/A
  • 226.5x Key Event Increase
  • 3.34x Impression Increase
  • 3.71x Click Increase
SEO, Content Marketing
Professional Services
N/A
N/A
N/A
N/A
  • 2.48x Conversion Increase
  • 13.33x Clicks Increase
  • 4x Organic Impressions Increase
SEO, Content Marketing
Professional Services
11-50 Employees
N/A
Calgary, Canada
N/A
  • Significant increase in organic traffic
  • Improved Google search rankings
SEO, PPC, Content Marketing
Professional Services
51-200 Employees
N/A
N/A
N/A
  • Significant increase in traffic, engagement and leads
  • Higher conversion rates and search rankings
SEO
Professional Services
11-50 Employees
N/A
Chicago, IL
N/A
  • 269% more clicks in 9 months
  • 170% more impressions in 9 months
  • 167% more organic pages in 17 months
SEO
Professional Services
1K-5K Employees
N/A
London, United Kingdom
N/A
  • 14 team members trained on SEO fundamentals
  • 2 face-to-face training sessions delivered
  • 9.6/10 delegate rating
SEO, GEO, Content Marketing
Professional Services
1K-5K Employees
N/A
Auckland, New Zealand
N/A
  • +6 organic keywords on Page 1
  • +128 organic ranking keywords
  • +464 new monthly website visitors
  • +31 Google AI Overview citations
  • +11 new backlinks from 10 referring domains
SEO
Professional Services
1-10 Employees
N/A
Holland, MI
N/A
  • +61% Commercial Quote Requests
Web Design, SEO
Professional Services
51-200 Employees
N/A
Pueblo West, CO
N/A
  • 20x business growth
SEO
Professional Services
N/A
N/A
The Woodlands, TX
N/A
  • 2,466% increase in non-brand keyword rankings
  • 176% increase in organic leads
  • 200% increase in Google page-1 keywords
  • 998% increase in location-based traffic
SEO, PPC
Professional Services
N/A
N/A
Dubai, United Arab Emirates
N/A
  • 5x ROAS (listing headline)
  • 20+ organic inquiries a month, 120+ in 6 months
  • Top-10 keyword growth +60%
  • 30K active users and 41K key events
  • Conversions +20% (listing headline)
PPC, SEO
Professional Services
N/A
N/A
Zurich, Switzerland
N/A
  • 61% increase in enquiries from PPC
  • 48% increase in organic enquiries
  • 210% increase in organic traffic in 6 months
  • 54% increase in conversion rate
SEO
Professional Services
N/A
N/A
N/A
N/A
  • Domain Authority from 5 to 12 in 5 months
  • Organic users +71.6% and total users +86.5%
  • Page views +63.2%
  • +589 organic keyword rankings
Web Design, SEO, PPC
Professional Services
N/A
N/A
N/A
N/A
  • 106% More Users
  • 25.2% More Traffic
  • 90% More Returning Users
Content Marketing, SEO, Email Marketing
Professional Services
N/A
N/A
N/A
N/A
  • 407.89% YoY increase in organic traffic
  • 51.71% open rate on blog subscription emails
  • 28.97% click rate
Web Design, SEO
Professional Services
N/A
N/A
N/A
N/A
  • Website redesign with an interactive U.S. map widget for state-by-state tax research
  • Refreshed copy written for every main page
  • Built on top of earlier SEO success
SEO, Content Marketing, Web Development
Professional Services
51-200 Employees
N/A
Duluth, GA
N/A
  • 76% increase in new visitors
  • 3.36K impressions in 30 days
PPC, SEO
Professional Services
N/A
N/A
New Orleans, LA
N/A
  • Search ad lead generation across the New Orleans and Houston markets
  • Rising click-through rate and lower cost per click through negative keyword work
Branding, Web Design, SEO
Professional Services
N/A
N/A
Dubai, United Arab Emirates
N/A
  • Digital platform in WordPress with consistent branding
  • Search-focused optimization
SEO
Professional Services
N/A
N/A
N/A
N/A
  • Page-one rankings grew from 68 to 135
  • Average keyword position improved from #30 to #3
Content Marketing, SEO, Web Design
Professional Services
N/A
N/A
N/A
N/A
  • Organic audience growth through content and SEO
  • Strategic web design guiding users through the customer journey
SEO
Professional Services
N/A
N/A
N/A
N/A
  • 459% increase in conversions in first 3 months
  • 185% increase in organic users