OpenServed

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

SEO, Content Marketing
Retail
1-10 Employees
N/A
Chicago, IL
N/A
  • 169% increase in organic traffic
  • Revenue up 40% year over year in November ($100K to $140K)
  • #1 and #2 for "electric cigar humidor"
SEO, Link Building, Content Marketing
Construction
1-10 Employees
N/A
Argyle, TX
N/A
  • #1 for all core keywords for 18+ months
  • Organic search drives 41% of annual revenue
  • 10X ROI on SEO investment (up from 6.8X)
eCommerce Optimization, Web Development, Content Marketing
Home & Garden
51-200 Employees
N/A
Atlanta, GA
N/A
  • 980% ROI Within the Past Year
  • 60% Revenue Growth Following .com Redesign
  • 23% Conversion Boost Following .com Redesign
Branding, Content Marketing, AI
Web3 & Crypto
51-200 Employees
N/A
San Francisco, CA
N/A
  • +37% Subscriber Growth YoY
  • +59% Organic Signup Growth YoY
  • 6.6x Productivity Increase in Creative and Delivery Process Using AI
SEO, Technical SEO, Content Marketing
Entertainment
501-1K Employees
N/A
San Francisco, CA
N/A
  • 1500% Increase in Organic Search Traffic
  • Unique Visitors Doubled in 2 Months
  • Acquired by News Corp for $650M
SEO, Local SEO, Content Marketing
Cleaning
11-50 Employees
N/A
Lakewood, CO
N/A
  • 233% Increase in Organic Traffic
  • 126% Increase in Keyword Positions
  • Removed Google Manual Penalty
  • 1,200+ Franchise Locations Added
SEO, Content Marketing
Education
11-50 Employees
N/A
New York, NY
N/A
  • 4,094 New Ranking Keywords
  • 1,176% Increase in Page One Keywords
  • 9,878 Positive Position Changes
SEO, Content Marketing
Ecommerce
11-50 Employees
N/A
Charleston, SC
N/A
  • 13,824% Increase in Top-10 Keywords
  • 916% Increase in Organic Revenue
  • 691% Increase in Organic Traffic
SEO, Content Marketing
Technology
1K-5K Employees
N/A
Tampa, FL
N/A
  • 20% increase in organic blog clicks year over year in Q1 2023
  • 30% more unique ranking keywords in 2023 vs. 2022
  • 43% increase in keywords ranking in the top 10
SEO, Local SEO, Content Marketing
Law Firm
N/A
N/A
Bellevue, WA
N/A
  • 1,945% increase in relevant SEO impressions over six months
  • 51% increase in unbranded organic clicks
  • Monthly leads up 67%, from 21 to 35
  • 25% of new leads converted into clients
SEO, Content Marketing, Web Design
Retail
51-200 Employees
N/A
Oklahoma City, OK
N/A
  • Voted Oklahoma's #1 cannabis business by patients, among 1,500+ dispensaries
  • Grew from one dispensary to 12 locations and 140+ team members
  • Organic search growth earned without Google or Meta ads, which ban cannabis
SEO, Content Marketing, Lead Generation
Home Services
N/A
N/A
Irving, TX
N/A
  • #1 foundation repair rankings across DFW, San Antonio and Waco
  • 40+ geo-targeted service area pages ranking
  • 5 authoritative service category pages ranking
Content Marketing, Social Media Ads
Retail
N/A
N/A
Philadelphia, PA
N/A
  • $750,000+ in watch sales within 90 days
  • Instagram followers grown from zero to 20,000+
  • Social became a primary driver of inbound demand
Social Media Ads, Content Marketing, PPC
Food & Beverage
51-200 Employees
N/A
Geyserville, CA
N/A
  • 62,000 verified app installs in 30 days, 24% above goal
  • $10.02 customer acquisition cost
  • 37% first-order conversion rate
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
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
Solar & Renewable Energy
N/A
N/A
Bluffdale, UT
N/A
  • 54% YoY increase in organic traffic
  • 25% YoY growth in organic revenue
Branding, Content Marketing
University
N/A
N/A
Los Angeles, CA
N/A
  • Brand identity for the new Music Industry program
  • Brand video won Silver and Bronze Telly Awards
  • Brand book, photography and video library delivered
Content Marketing, Social Media Ads, PPC
Energy
N/A
N/A
New York, NY
N/A
  • 62M impressions
  • Impressions 2.3x year over year
  • 80% positive sentiment score
  • Out-of-home on Metro North and an animated video shown at COP28
Content Marketing, Lead Generation, Email Marketing
Manufacturing
N/A
N/A
San Marcos, TX
N/A
  • +641% increase in qualified leads
  • 125K+ website visitors per month
  • HubSpot integrated with Microsoft Dynamics CRM
  • Content serving both B2C homeowners and B2B trade audiences
Email Marketing, Content Marketing, PPC
Hospitality
N/A
N/A
Sylacauga, AL
N/A
  • +138% off-season group bookings
  • Corporate event revenue nearly doubled ($1M in 2024 to $1.95M in 2025)
  • $950K additional revenue
  • 22:1 return on ad spend
SEO, Content Marketing
Ecommerce
N/A
N/A
Indianapolis, IN
N/A
  • +217% organic ecommerce revenue YoY
  • +113% organic ecommerce transactions YoY
  • +11% organic traffic
  • A single $79K wholesale sale from one lead
  • Ongoing private label client producing about 5,000 candles per month
SEO, GEO, Content Marketing
Dental
N/A
N/A
Indianapolis, IN
N/A
  • +538% organic traffic YoY
  • 780% above the annual traffic goal
  • +50% leads
  • +26% homepage traffic
  • Top 10 rankings and Google AI Overview placements
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, 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
Branding, Content Marketing
Retail
N/A
N/A
Los Angeles, CA
N/A
  • Fastest-trending products in IKONICK history
  • Top 5 pieces in the first and second month of launch
  • #1 best-selling pieces storewide
Social Media Ads, Content Marketing
Food & Beverage
N/A
N/A
Florida, United States
N/A
  • Cost per lead down 75%
  • Millions of Facebook ad impressions
SEO, Content Marketing
Beauty
N/A
N/A
Gilbert, AZ
N/A
  • Visibility doubled from 20% to 40% in 3 months
  • Keywords grew from 1,264 to 1,793 (+41%)
  • Multiple featured snippets within the first 30 days
SEO, Content Marketing
Technology
51-200 Employees
N/A
Dallas, TX
N/A
  • Impressions +90% (4,931 to 9,592) in 3 months
Content Marketing
Technology
201-500 Employees
N/A
Austin, TX
N/A
  • Launch video debuted March 2026 ahead of Cadillac's inaugural F1 season
  • Shot on Arri Alexa Mini with extended-reality studio work, CGI and motion graphics
Content Marketing
Entertainment
N/A
N/A
Dallas, TX
N/A
  • Launch video announcing the Atlético Dallas Youth partnership and name change
  • Animation and videography for a pro club arriving in DFW in 2027
SEO, Content Marketing
Gaming
1K-5K Employees
N/A
Los Angeles, CA
N/A
  • 6,700% increase in video views
  • 120+ core brand videos optimized (Wave 1)
Content Marketing, Public Relations
Government
51-200 Employees
N/A
Washington, DC
N/A
  • 9500%+ increase in traffic and engagement
PPC, Content Marketing
Education
1K-5K Employees
N/A
Chestnut Hill, MA
N/A
  • Total inquiries up 67% year over year
  • Applications for the ELP master's program up 56%
  • Applications for the GP master's program up 156%
SEO, Content Marketing, Web Development
Law Firm
11-50 Employees
N/A
Lexington, KY
N/A
  • 163% increase in conversions with a new website
  • 212% increase in organic traffic
  • 131% increase in Google Maps phone calls
Branding, Content Marketing
Technology
10K+ Employees
N/A
Stamford, CT
N/A
  • Gartner is the world’s leading research and advisory company. ClearBrand created original content including infographics, ebooks, videos and landing…
  • Original infographics, ebooks, videos and landing pages for local and global campaigns
  • With mailouts we hid 50% of the content to drive people to download the full infographic on the site.
SEO, Content Marketing, Web Design
Finance
1K-5K Employees
N/A
Draper, UT
N/A
  • 80% increase in "HSA" keyword ranking
  • "HSA" keyword ranking moved #5 to #1 in SERPs
  • 83% increase in "HSA" keyword CTR
  • 253% increase in search visibility
Branding, Web Development, Content Marketing
Retail
51-200 Employees
N/A
Draper, UT
N/A
  • 63.96% increase in total purchases in the busy season
  • 30.21% increase in on-site revenue
  • 6.82% increase in website traffic
Content Marketing, Data & Analytics, Personalization
B2B
10K+ Employees
N/A
Monroe, LA
N/A
  • 64% reduction in content creation time
  • 3x faster to market for social campaigns
  • 105 distinct campaign variations
SEO, Content Marketing
Food & Beverage
51-200 Employees
N/A
Rosemont, IL
N/A
  • 130% Increase in Engagement
  • 700% Increase in Total Search Impressions
  • 21% Increase in Top 10 Keyword Rankings
  • 106% Improved CPA
SEO, Content Marketing
Healthcare
N/A
N/A
Houston, TX
N/A
  • 147% increase in year-over-year goal completions
  • 92% increase in year-over-year keyword rankings
  • 286% increase in year-over-year organic traffic
SEO, PPC, Content Marketing
Law Firm
N/A
N/A
Dallas, TX
N/A
  • Website traffic up 590% and conversions up 245%
  • Spanish-language video got 151% more impressions than English at 68% lower cost
  • Spanish video relevancy score 5x the English video's
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
Content Marketing, Branding
Government
N/A
N/A
Dunwoody, GA
N/A
  • 400% growth in social media engagement year over year
  • Plain-language, mobile-first content aligned with federal accessibility standards
  • Content engine now used across federal contractors and practitioners
SEO, Local SEO, Content Marketing
Law Firm
N/A
N/A
Boca Raton, FL
N/A
  • 104% increase in search-driven clicks over two years
  • 145% increase in online visibility over two years
  • Consistently top 3 in the Google Map Pack
  • Revenue more than covered the annual marketing investment
Content Marketing, Lead Generation
Wellness
N/A
N/A
New York, NY
N/A
  • +267% YoY sign-ups
  • 2,600+ UK enrollments over 2021
  • 17,000 clicks generated over 2021
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%

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