OpenServed

Best SEO Agencies in the United States (2026) – Ranked by Case Studies

SEO, Content Marketing, GEO
Manufacturing
11-50 Employees
N/A
Brunswick, GA
N/A
  • 2022 to 2023: sessions up 29%, blog pageviews up 67%, search impressions up 116%
  • Since 2020: sessions up 103%, blog pageviews up 407%, lead generation up 47%
  • Search impressions up 418% and average search position improved 77%
  • 170 average monthly citations in AI search
Content Marketing, SEO, Email Marketing
Construction
11-50 Employees
N/A
Roselle, IL
N/A
  • 64% increase in website traffic and 71% increase in organic traffic
  • 90% increase in email sessions, with a 24% open rate and 1,170 influenced contacts
  • Social media: 564% increase in clicks and 171% increase in sessions to the site
  • HOA email campaign converted at 17%
  • A single email generated 3 new paving projects
Content Marketing, SEO, Lead Generation
Technology
N/A
N/A
Ann Arbor, MI
N/A
  • 357 new form submissions for content downloads
  • 82% increase in organic traffic
  • 86% increase in time on page
  • 31% increase in keyword ranking and 20% average content conversion rate
SEO
Finance
51-200 Employees
N/A
San Diego, CA
N/A
  • 41.1% Increase in Organic Sessions
  • 43.2% Increase in Organic Leads
  • #1 Rankings for Focus Keywords
SEO, Content Marketing
Coaching
501-1K Employees
N/A
Fenton, MO
N/A
  • 200+ Keywords Ranking in Position 1
  • 37% YoY Increase in Site Traffic
  • 23% YoY Increase in Revenue
  • 12,000+ New Sessions in First Month
SEO, Content Marketing
SaaS
11-50 Employees
N/A
San Francisco, CA
N/A
  • 67% Increase in Average Organic Traffic (US)
  • 234% Increase in Ranking Keywords (US)
  • 212% Increase in Keywords Ranking Positions 1-3 (US)
SEO, Local SEO
Med Spa
N/A
N/A
West Palm Beach, FL
N/A
  • Organic impressions up 31.66% in 30 days, from 120K to 158K
  • Clicks up 18.71%, from 545 to 647
  • Ahrefs site health score raised from 76 to 100
  • Average position improved from 28.3 to 22.1
  • Page load speed improved 45%, from 3.2s to 1.8s
SEO, Local SEO, GEO
Automotive
11-50 Employees
N/A
Springfield, NJ
N/A
  • 102% growth in total impressions, from 8.87M to 17.8M
  • 10.9% increase in total clicks, from 101K to 112K
  • Average position improved 29%, from 17.4 to 12.3
  • 933 Google AI Overview citations
  • 3,500+ total form submissions
SEO, Content Marketing, Web Development
Healthcare
N/A
N/A
Las Vegas, NV
N/A
  • 10,000+ monthly organic visitors in 12 months, up from under 800
  • 22 new patients a month from organic search, up from 3
  • 68% reduction in patient acquisition costs
  • 325% increase in non-branded organic traffic
  • 14.5% visitor-to-consultation rate vs. a 3.2% industry average
Web Design, Web Development, SEO
Food & Beverage
N/A
N/A
Kalamazoo, MI
N/A
  • 94% YoY increase in engagement time
  • 29% YoY increase in engaged sessions
  • 14% decrease in bounce rate
  • 22% more pages per session
  • 10% increase in form submitters
Web Design, Web Development, SEO
Bank
N/A
N/A
Kearny, NJ
N/A
  • 23% increase in sessions in the first month
  • 194% YoY increase in impressions
  • 170% YoY increase in non-branded impressions
  • 184% month-over-month increase in organic event rate
Web Design, Web Development, SEO
Agriculture
N/A
N/A
Ankeny, IA
N/A
  • 50+ localized websites launched simultaneously
  • 21% increase in organic traffic within 90 days
  • 134% increase in organic keywords in the first five pages
  • 23% increase in first-page keyword rankings
PPC, SEO, Email Marketing
Non Profit
N/A
N/A
Washington, DC
N/A
  • 2,400% increase in consulting sales meetings (Q1 2026)
  • 111% increase in qualified deal creation (Q1 2026)
  • 100% increase in Google Ad Grant budget utilization
  • LinkedIn campaigns reached 6,900 law enforcement agencies in Q1 2026
SEO, Content Marketing, PPC
Orthopedic
N/A
N/A
Tampa, FL
N/A
  • 777,000 organic sessions in 2025
  • 555% increase in top 10 keyword rankings since 2018
  • 342% increase in total keywords since 2018
  • 160% increase in online appointment requests since 2020
SEO, Content Marketing, PPC
Non Profit
N/A
N/A
Mobile, AL
N/A
  • 88% increase in new subscribers
  • 112% increase in online giving
  • 48% increase in first-time donors
Local SEO, SEO
Fitness
N/A
N/A
Atlanta, GA
N/A
  • Monthly leads 80 → 140
  • Keyword rankings 2,515 → 8,941
  • Monthly traffic 3,274 → 9,318
SEO, Local SEO
Healthcare
N/A
N/A
Washington, DC
N/A
  • Keyword rankings 1 → 6,165
  • Organic traffic 1 → 2,996 visits/mo
  • Traffic value $1 → $4,292/mo
SEO, Content Marketing
Mental Health
N/A
N/A
Austin, TX
N/A
  • 1,659% more new visitors from organic search
  • Keyword rankings 167 → 1,055
  • Monthly traffic 2,589 → 10,856
  • Monthly lead volume 29 → 50+
Amazon Marketing, SEO
Manufacturing
N/A
1 month
Scottsburg, IN
N/A
  • Units Sold +3,580%
  • Amazon Keywords Ranked +1,964%
  • $ Value of Sales +1,749%
Content Marketing, SEO
CBD
N/A
N/A
Los Angeles, CA
N/A
  • Organic Keywords +45x
  • Organic Traffic +117%
  • Page 1 Ranking Keywords +22%
PPC, Email Marketing, SEO, Content Marketing
Home Security
N/A
N/A
Los Angeles, CA
N/A
  • Quality Leads +20%
  • First Page Rankings +2,894%
  • Cost Per Lead -61%
Branding, SEO
Manufacturing
11-50 Employees
N/A
Buena Park, CA
N/A
  • Overall revenue up 13%
  • Organic traffic up 65%
GEO, SEO
Media
1K-5K Employees
N/A
San Jose, CA
N/A
  • 5.5x organic keyword growth
  • 110% increase in AI visibility
GEO, SEO
Media
1K-5K Employees
N/A
San Jose, CA
N/A
  • AI visibility up 340%
  • Organic keyword growth of 140%
Web Design, Web Development, SEO
Construction
201-500 Employees
N/A
Wayland, MI
N/A
  • Organic sessions up 37%+ in the first 12 days after launch
  • Bounce rate down 25%
  • Pages per session and session duration up 26%+
  • Lighthouse scores of 100 (best practices), 98 (accessibility), 93 (SEO)
Web Design, SEO, PPC
Technology
1K-5K Employees
N/A
Indianapolis, IN
N/A
  • Total contact form fills up 172% (Q1 2021 vs. Q1 2020)
  • Organic contact form fills up 78%
  • Paid conversions up 184% and cost per conversion down 50%
  • New users from paid media up 500%
  • Organic sessions to four main solutions pages up 67%
PPC, SEO, Email Marketing
E-commerce
11-50 Employees
N/A
Crystal Lake, IL
N/A
  • Paid transactions up 60% and paid revenue up 90% year over year after three months
  • Organic sessions and revenue nearly doubled year over year after three months
  • Organic monthly blog sessions doubled in seven months
  • Ranks #2 on Google for "bidet"
PPC, Social Media Ads, SEO
Beauty
201-500 Employees
N/A
Oakland, CA
N/A
  • +63% impressions across paid channels YoY
  • 31M video views from TikTok campaign in 90 days
  • 548,000 new users to elfcosmetics.com in 90 days
  • 300% increase in Share of Voice on Facebook
  • +38% increase in orders on elfcosmetics.com
PPC, eCommerce Optimization, SEO
Ecommerce
11-50 Employees
N/A
Fairfield, CT
N/A
  • 130% increase in ad impressions
  • 84% increase in ad revenue
  • 71% increase in ROAS
  • 55% increase in conversion rate (CVR)
  • 10% decrease in cost-per-click (CPC)
SEO, GEO, AEO
Automotive
501-1K Employees
N/A
Dyersburg, TN
N/A
  • 22% visibility score from 180+ high-intent AI prompts
  • $22.7K revenue from AI sessions YTD
  • 3X visibility score vs nearest competitor
  • +71% increase in AI referral traffic (vs prior 90 days)
SEO, Lead Generation
Technology
N/A
N/A
Herndon, VA
N/A
  • 40% growth in SEO organic traffic
  • 30% increase in lead conversion
  • Sales cycle shortened by 23 days
  • $7M in marketing-influenced pipeline
Web Design, SEO, Branding
Construction
11-50 Employees
N/A
Los Angeles, CA
N/A
  • 5X monthly users
  • 15X monthly sessions
  • 4.5X page views
  • 27% reduction in bounce rate
Web Design, SEO, Branding
Finance
N/A
N/A
Albuquerque, NM
N/A
  • 614% increase in website traffic
  • 266% increase in pipeline
  • 489% increase in pageviews
  • 160% increase in organic search sessions
SEO, Local SEO, Content Marketing
Retail
10K+ Employees
N/A
Atlanta, GA
N/A
  • Organic traffic +30%
  • Conversion rate +30%
  • SEO e-commerce sales +61% year over year
  • $25M in revenue driven by organic search
  • 1,200+ store locations cleaned up and managed
Content Marketing, SEO, Web Development
Museum & Cultural
N/A
N/A
Tulsa, OK
N/A
  • Bob Dylan Center site replatformed from Craft CMS to multisite WordPress
  • Both museum sites managed in a single CMS
  • Tessitura ticketing and membership integrated
  • Distinct brand experiences for the Bob Dylan Center and Woody Guthrie Center
Branding, Web Design, SEO
Government
N/A
N/A
Baraboo, WI
N/A
  • Sales tax revenue +46%
  • $12.98M sales tax revenue in 2024 alone
  • $1.9B economic impact in 2023 alone
  • Gold MarCom Award for Tourism Website
  • Two audience-first websites for visitors and investors
PPC, SEO
Veterinary
N/A
N/A
Mount Laurel, NJ
N/A
  • Phone call conversions +25% (240 in the Services campaign)
  • Cost per conversion -19% to $4.35
  • Total ad spend -16.5%
  • Organic traffic +19% (May 2024 vs. April 2024)
SEO, PPC
Dental
N/A
N/A
Philadelphia, PA
N/A
  • Conversions +262% to 264
  • Phone calls to 370
  • New users +35% (5.33K) and views +30% (9.59K)
  • Cost per conversion -3% to $17.57
SEO, Social Media Ads, Local SEO
Orthopedic
51-200 Employees
N/A
Philadelphia, PA
N/A
  • Organic search sessions +13% to 194,000
  • Social media users +311% in one month
  • Google My Business clicks +22% YoY
  • Client since 2018
Web Design, SEO
Aerospace
N/A
N/A
Dallas, TX
N/A
  • Delivered Website Design, Digital Marketing and SEO
Web Design, Web Development, SEO
Beauty
N/A
N/A
Dallas, TX
N/A
  • Delivered Website Design & Development and SEO
Content Marketing, Web Design, SEO
Real Estate
N/A
N/A
New York, NY
N/A
  • Delivered Content Writing, Website Design and SEO
SEO, Web Design
Construction
N/A
N/A
Chicago, IL
N/A
  • 3X growth in ecommerce sales
  • Products previously invisible on Google now found
SEO, Web Design
Furniture
N/A
N/A
Naperville, IL
N/A
  • Strong revenue impact from SEO through new customer acquisition
SEO, GEO, PPC
Manufacturing
11-50 Employees
N/A
Elgin, IL
N/A
  • 131% increase in organic purchases YoY
  • 10x growth in keywords triggering AI Overviews
  • 45% increase in web order value YoY
  • Record-breaking revenue month
Content Marketing, SEO
Finance
N/A
N/A
New York, NY
N/A
  • 28 earned media placements in six weeks
  • 17 syndications from the debut announcement
  • Backlinks up 96%, from 401 to 784
  • 419 referring websites
Content Marketing, SEO
Technology
N/A
N/A
San Francisco, CA
N/A
  • 45+ unique stories across 40+ publications in under 6 months
  • First Forbes feature within 7 weeks of onboarding
  • Backlinks nearly doubled, from 14K to 27K
  • Domain rating up from 63 to 69 (March to August 2026)
  • Bond announcement drew 8 pieces of coverage in 24 hours
Content Marketing, SEO
Technology
N/A
N/A
San Francisco, CA
N/A
  • 50 approved media placements over 5 months
  • 6.7M total views across earned media and syndications
  • Domain Rating of 69
  • 26,000 backlinks from 2,700 referring websites
SEO, Web Design
Furniture
N/A
N/A
Portland, OR
N/A
  • Sales revenue up 93% in the first year
  • Keyword growth up 702%
  • Sessions up 161x
  • Traffic from customers up 337% in the Portland, OR metro
  • 44% more orders fulfilled in the last 12 months
SEO, Content Marketing
Gifts
N/A
N/A
Lincoln City, OR
N/A
  • Organic traffic up 3,080% (30x) in the first year
  • Organic new users up 10x
  • Expanded reach up 2,483%
  • New customers up 1,298%
  • Top 3 keywords up 875%
PPC, SEO, CRO
Home Services
N/A
N/A
Portland, OR
N/A
  • 300+ estimate requests from Google Ads in the first year
  • Conversion rate of 12% (10% to 15% after landing page and form changes)
  • 3,000+ visits from ads and 6% click-through rate
  • Ranking keywords grew from about 400 to 2,009 (+402%)
Web Development, SEO
Manufacturing
N/A
N/A
Streetsboro, OH
N/A
  • Google Tag Manager implemented across 50+ domains
  • Custom Google Analytics dashboard created
  • SEO audits and Kentico upgrade
Web Design, Web Development, SEO
Telecom
N/A
N/A
Middletown, RI
N/A
  • 113% increase in session duration
  • 76% decrease in bounce rate
  • 21% increase in organic traffic
Web Design, Web Development, SEO
Non Profit
N/A
N/A
Marlborough, MA
N/A
  • WordPress site built with an EventBrite calendar integration
  • Accessibility and ease of use prioritized
  • SEO and enhancements supported since 2017
SEO, Content Marketing
Automotive
N/A
N/A
Wexford, PA
N/A
  • #2 ranking for "Electric Vehicle Dealer Near Me"
  • 57,738 impressions in July alone
  • Improved local rankings for "Oil Change Pittsburgh PA"
SEO, PPC
Automotive
51-200 Employees
N/A
New York, NY
N/A
  • Organic mobile traffic up from 57,339 (2017) to 104,186 (2019)
  • Call-only ads cost $129.67 less per click than standard expanded search ads
SEO, GEO, Content Marketing
Retail
N/A
N/A
Nampa, ID
N/A
  • Placed in Google AI Overviews within days of publishing one blog post
  • 12 keywords on page 1 of Google after 6 months
SEO
Insurance
N/A
N/A
Fort Wayne, IN
N/A
  • 736% increase in organic traffic over 2 years
  • 1,000% increase in organic keyword rankings
SEO, Local SEO
Healthcare
N/A
N/A
San Antonio, TX
N/A
  • 132% average increase in web actions
  • 163% increase in keywords ranked (580+ total)
  • #1 among competitors
  • Referring domains grew from 76 to 195
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
SEO
SaaS
11-50 Employees
N/A
San Francisco, CA
N/A
  • 3x organic traffic
  • 1,700 referring links
SEO
CBD
51-200 Employees
N/A
Irvine, CA
N/A
  • 2x organic traffic
  • 2x increase in donor sites
SEO
Roofing
N/A
N/A
Fort Worth, TX
N/A
  • 2x organic traffic
  • 225 referring links
SEO, Content Marketing
Automotive
5K-10K Employees
N/A
Ann Arbor, MI
N/A
  • 94% Single-Year Growth in Organic Traffic
  • 48% Increase in Organic Revenue
  • 1M New Shoppers Through Organic Search
SEO, Content Marketing, PPC
Travel
11-50 Employees
N/A
Friday Harbor, WA
N/A
  • 110% Increase in Revenue
  • 59% Increase in New Users
  • 32% Increase in Organic Sessions
SEO, eCommerce Optimization
Food & Beverage
201-500 Employees
N/A
New York, NY
N/A
  • 113% increase in revenue in two months
  • 66% increase in organic users
  • 19.5% increase in ecommerce conversion rate
  • 109% increase in transactions from organic visitors
SEO, Link Building
B2B
51-200 Employees
N/A
San Jose, CA
N/A
  • 1122% increase in conversions
  • 87% increase in organic sessions
  • 1400% increase in top 3 ranking keywords
SEO, Web Design
Logistics
51-200 Employees
N/A
Houston, TX
N/A
  • 108 More Keywords Ranked by Google
  • 155+ Google Position Change
  • 17K More Visits Within Six Months
Content Marketing, SEO
Robotics
11-50 Employees
N/A
Berkeley, CA
N/A
  • 300M+ Press Reach Converted Into Demand Generation
  • 1.27% Qualified Lead Conversion Rate (Organic Social)
  • #1 Search Result for "Robotic Put Wall"
  • 72 New Qualified Leads Generated
SEO, Content Marketing, Social Media Ads
Home Services
1-10 Employees
N/A
Oak Park, IL
N/A
  • 12x the search visibility of competitors in the first three months
  • Average Google search position improved by 27 spots
  • Organic search traffic +27%
  • Instagram impressions +20,400% and engagements +48,300%
  • Instagram followers more than doubled
SEO, GEO, Local SEO
Home Services
N/A
N/A
St. Petersburg, FL
N/A
  • Search visibility (organic impressions) +88% over 12 months
  • AI visibility +120%
  • 15 new keywords ranking in Google
  • 45K+ impressions on the new location pages
  • 42.5% of all users came from organic search
Web Design, SEO, Content Marketing
Hotel
51-200 Employees
N/A
Connecticut, United States
N/A
  • Website visits of 50K per quarter
  • SEO traffic +800%
  • 70% of traffic organic from SEO and GEO
  • Average time on site 2m 55s (+5%)
  • Spa and elopement package interest and bookings up
Web Design, Web Development, SEO
Travel
N/A
N/A
Connecticut, United States
N/A
  • Top 10 organically trafficked tourism website in the US
  • Site traffic exceeded 9 million visits within a year
  • Organic traffic +32%
  • Constituent business leads +25%
  • 200+ landing pages and 750+ original stories
SEO
SaaS
11-50 Employees
N/A
Boston, MA
N/A
  • Organic traffic from 22K to 68K per month (209% growth)
  • 400% more quality leads
  • 140% mid-season monthly clicks increase
SEO, Local SEO, PPC
Law Firm
N/A
N/A
Boston, MA
N/A
  • 1,300% growth in qualified leads
  • 645% organic traffic growth
  • 940% increase in top-10 keyword rankings
SEO, Web Design
Manufacturing
1-10 Employees
N/A
Sacramento, CA
N/A
  • Organic Google search traffic +419% vs. the prior eight months
  • Organic traffic grew from ~50 visitors per week to 6x in under six months
  • Direct sales surpassed distributor sales by the start of month five
  • Organic traffic doubled about every six weeks from Oct 2017 to Mar 2018
  • Several money keywords ranked on page one of Google and Bing
SEO, Local SEO, Web Design
Fitness
11-50 Employees
N/A
Westport, CT
N/A
  • Target phrases moved from page two or three to page one of Google
  • Began appearing in the Google local 3-pack for fitness club terms
PPC, SEO
Industrial
11-50 Employees
N/A
Euclid, OH
N/A
  • 600+ total leads over 3 years
  • Peak of 35 leads per month from SEO and PPC combined
  • 20+ leads in the first month
SEO, Web Design
Industrial
11-50 Employees
N/A
Rural Hall, NC
N/A
  • Thousands of new organic visitors within two months of launch
  • Nearly a dozen qualified inbound leads with no paid efforts
SEO, Content Marketing
Consumer Goods
N/A
N/A
Los Angeles, CA
N/A
  • Blog content drove revenue and traffic growth within 9-12 months
  • Posts kept bringing new traffic months after publishing
SEO, Content Marketing
Jewelry
N/A
N/A
Salt Lake City, UT
N/A
  • Organic impressions up from 20,000 to 55,000 per month
  • 63% YoY growth in organic traffic
SEO, Content Marketing
Solar & Renewable Energy
N/A
N/A
Bluffdale, UT
N/A
  • 54% YoY increase in organic traffic
  • 25% YoY growth in organic revenue

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