Best Content Marketing Agencies in the United States (2026) – Ranked by Case Studies
Critter Control (YouTube Campaign) Client-verified
- 1.5M+ total views across the video series in one year
- 12-video series: commercial, process video, 8 FAQs and 2 homeowner guides
- Channel had only 2 videos in the prior 5 years
- 73x ROI on a $3,600 budget
- $234,000 additional revenue over 6 months
- 13 podcasts booked, including the Dr. Gundry podcast
- Total monthly sales rose from about $18K to $57K
- +18% agency revenue after the video's release
- $8,500 profit in the first week, paying for the video
- 150,000+ video impressions
- Six talents signed in other markets
Amacoil Client-verified
- Search visibility up 42.9% in the first 90 days
- Visitors up 7.2% and user sessions up 5.6%
- Session duration up 8.58%
- 7 of 20 tracked keywords improved
- Contact form completions up 83.43% year over year
- Users up 32.72% and sessions up 39.89% year over year
- Satisfaction survey emails: 29.17% open rate, 16.67% CTR, no unsubscribes
- Ranked #1 on Facebook for reach among its competitors
- Qualified lead volume up 67% in 6 months
- Lead-to-SQL conversion up from about 2.4% to about 4.0%
- 42% email open rate in nurture flows
- Newsletter subscribers up 45% in the first quarter
Wafer World Client-verified
- 140,538 impressions
- 180 ranking keywords
- 6,966 clicks to the site
- +41.2% Facebook engagement
- +26.2% Facebook organic reach
- 17,582 total Facebook views
- +139.9% Facebook content interactions year over year
- +100% Instagram views and interactions
- +33.3% Facebook follows
ArcStone Client-verified
- 51% increase in organic keywords
- 1,936.99% increase in organic traffic
- Domain Rating from 51 to 54
- 155% increase in organic keywords
- 1,030% increase in organic traffic
- Domain Rating from 7 to 15
Squaremouth Client-verified
- 270% more revenue from ChatGPT in 6 months
- Search traffic up 78% while competitors lost 34.5% to AI Overviews
- Organic sessions up 1,700% in 90 days
- Ranking position improved 40% in 90 days
- Organic impressions doubled in three months
- Clicks up 1,000% and impressions up 625% in one year
Trellis Strategies Client-verified
- Website traffic up 86% since the newly branded website launched
- Users up from 13,924 to 19,510 and sessions from 17,488 to 56,576 (2022 to 2023)
- 1,014 site issues resolved, including 30 critical errors
- Engagement rate of 63.56% vs. a 62.22% industry average
- Average session duration up from 1 second to 44 seconds
Novig Client-verified
- AI-referred site traffic up 27x in six months
- AI visibility up from 0% to 21% across 1,500+ tracked prompts
- Organic traffic up 35x and direct traffic up 10x
- Went from unranked to the #1 most-cited sportsbook operator domain in AI answers
- 90% of inbound leads now come from AI search
- AI-referred site traffic up 5x in under 2 months
- AI visibility up about 3x across unbranded prompts
- Annual engagement paid back in under 2 months; revenue up about 9% in the first 60 days
- AI-referred leads close at nearly twice the overall win rate
First Financial Federal Credit Union Client-verified
- Google Ads conversions up 1,476% (14.75x)
- Cost per click down 85% while the budget was cut 81%
- Clicks up 686% and impressions up 444%
Sterling Lawyers (AI Visibility) Client-verified
- 8.19M monthly AI audience
- 496 pages cited by AI models
- 34.9K monthly organic sessions
- 28.1K ranking keywords
- 52.8K backlinks earned
Assisting Hands Home Care (The Villages) Client-verified
- Organic sessions +5,296% since August 2023
- New users +5,301%
- Engagement time +36.72%
- Traffic grew more than 35-fold from the baseline
Vasquez de Lara Law Group Client-verified
- Firm's gross income more than doubled in two years
- 200K+ Increase in Monthly Organic Traffic
- $150K Increase in Monthly Traffic Value
- 11K+ Links Generated
- 80,000 Organic Monthly Visits in 6 Months
- 87% Organic Traffic From Siege-Generated Posts
- $102,960 Siege-Assisted Traffic Value to Blog
- 1,345% Increase in Organic Traffic Over 15 Months
- 700 Links Generated
- 107 Content Assets Ranking in Top 20 for Main Keyword
- 52.46% Increase in Conversions
- 290 New eBook Leads
- 5.36% Conversion Rate
- 36 Million Impressions
- 98.6% Increase in Organic Traffic
- 2,388 Increase in Keyword Positions
- 1,215 Improvements in Keyword Rankings
- 6 Keywords Ranked on First Page
- 3 Keywords Ranked #1
- 100+ video viewer conversions in one quarter
- 93% increase in average time on site
- 309% increase in unique video page views
- 38% YoY increase in meetings at ITW trade show
- 18 meetings from new leads at ITW 2016
- 25 meetings from new leads at ITW 2017
- 15% increase in website traffic YoY
- 10.4% of contact-us page views initiated by blog
- 44% of case study views start with blog consumption
- 4M visits to the Hub
- 23 qualifying games from the Game Jam
- 3M visits to the Game Jam games
- 106 million views on TikTok
- 198000 interactions
- 38000 comments
- Trending topic in Mexico for first three days
- 22,000 visitors
- 90 minutes average time spent
- 158,000 interactive hits
- 500 million online reach
- Nearly 9 million total impressions from academy media coverage
- 25+ print, online and broadcast placements incl. a front-page USA Today feature
- 5M+ social impressions and 1.2M reach on Facebook and Twitter
- 60M+ earned media impressions
- 15 broadcast TV segments and 9 internet interviews, reaching 9.8M+ audience impressions
- 3.8M+ unique cume radio listeners via 727 airings across 346 stations
- 817,275 viewers reached by the influencer video series
- 110 million+ cumulative impressions from a New York deskside tour
- Placements in The Wall Street Journal and FOX Business
- 530 million media impressions in 3 days (Nov 17-19)
- Screen uses 23 million pixels and is ~10 stories high
- 40 million+ tourists and 125 million+ pedestrians visit yearly
- Screen fully leased for two years after launch
- Google leased display for six weeks starting Nov 24 2014
- 1.2 million annual visitors
- 20 acres in size
- 12 immersive experiences created
- Competitors spent 5x more on marketing
- 60%+ of test-drivers bought an Alfa Romeo
- 300+ BMW owners test-drove an Alfa Romeo
- 580K social media views
- 440K social impressions
- 75% increase in Organic Traffic to Blog Subfolder MoM
- 50.6% improvement in Average Position of Core Keywords
- 45.2% increase in Organic Traffic to Target Segments
- 84% increase in Health Insurance Quotes
- 46% increase in Organic Conversion Rates
- 20,200 new Organic Users YoY
- 32% increase in Organic Traffic QoQ
- 237% increase in Organic Keyword Rankings QoQ
- 50% increase in Domain Authority
- 74% keyword growth
- 300 new backlink domains
- 70% increase in blog traffic
- 3x organic clicks
- 278% increase in organic revenue
- 476% total keyword increase
- 20% increase in total organic search traffic YoY
- 52% increase in organic clicks to the blog YoY
- 47% increase in organic search lead volume YoY
- 17.2M household impressions
- 140+ media hits
- 6.5B+ earned impressions
- #2 most searched ad
- 98% positive or neutral sentiment
- 116K+ views in 24 hours on @nikefootball
- +5K likes on her account
- 110M impressions
- 10M impressions during the first week
- 2000% increase in social mentions
- 5 states approved of the Clean Slate Act following the campaign
- 87% Increase in Quality Website Visits
- 46% Increase in Organic Website Visits
- 125% Increase in Quality Visits from Orlando
- 130% Increase in Organic Website Visits YoY
- 120% Increase in Quality Site Visits YoY
- 3% Improvement in Bounce Rate
- 255% Increase in Organic Traffic to Contact Us Page
- 61% Increase in Quality Visits to Medical Imaging Landing Page
- 10% Increase in Monthly Blog Sessions
- Transformed a product-centric marketing campaign that was not getting results into an experience-centric one aligned with story themes resonating…
- Provided the GoToAssist team with its first-ever digital content plan and story-specific graphic designs
- Tools that save time and make it easier for salespeople to increase their knowledge of the product portfolio so they can sell it confidently and…
- With Latest 3d Animation Techniques, Elevation’s Design Team Introduces The Unique Features Of Procell Batteries To…
- 45,400 Additional Keywords Gained
- 5,214% Increase in Keywords Ranking Positions 1-3
- 862% Increase in Organic Sessions
- 32% Campaign ROI
- 57 Total Media Placements
- 787MM Total Media Impressions
- $10M Series A Funding Round Secured
- 2 Top-Tier Industry Awards Won
- 24K Additional Keywords Ranked
- 888% Increase in Keywords Ranking Positions 1-3
- 232% Increase in Organic Traffic
- 159% Increase in Organic Revenue ($116.2K Added)
- 3.4% YoY sales volume growth
- 37.7 million quarterly social impressions
- 62% CPM reduction
- 14.7 million TikTok views
- Over 80% U.K. market share
- 7.2MM targeted impressions
- 4.3MM video completions
- 74% ad recall rate
- 70 million total impressions
- 446,000 social engagements
- 98% positive social sentiment
- 9.7% lift in ad recall
- 42% increase in brand conversation
- 83% Willing to Choose ABCmouse Over Alternatives
- 5.7 Stars in System1's Exceptional Category (Top-Tier Predicted Performance)
- 93% "Helps My Child Grow" Among Parents of Children Ages 2-8
- 47M Impressions
- 72K Clicks
- 123K Page Views
- 9.6M Reach (Total Paid and Organic)
- 29.4M Impressions (Total Paid and Organic)
- +10pt Lift in Net Likelihood to Consider Booking (Organic)
- 38% Increase in Organic Traffic
- 46% Increase in First Page Keyword Rankings (6 Months)
- 76% Increase in Keywords Ranking Positions 1-3
- 45% Increase in Total Keyword Volume (6 Months)
- 44% Increase in Top-3 Keyword Rankings YoY
- 48% Increase in Keywords Ranking Positions 4-10 YoY
- 21% Increase in Pages with 10+ Ranking Keywords
- 6.9% Increase in Total Organic Traffic to Optimized Pages
- 50+ Optimization Areas Identified in Audit
- 21% increase in link click-through rate
- 28% increase in ROAS
- 5% improvement in cost per acquisition
- 199% Increase in Total Opportunities Won Value
- 318% Increase in Subscription Opps Won Value
- $1.5M+ Total Opportunities Closed
- $700K in Closed-Won Deals (First 12 Months)
- $1M Pipeline Growth Across Deal Stages
- 15 New Target Enterprise Accounts
- 732% Increase in Website Conversions
- 2,361+ Google Positions Gained
- $3.5M in Influenced Opportunities
- 200+ articles in Italy, UK, Spain and Canada (Elle, Vogue, Vanity Fair)
- 250M+ impressions
- 3M+ people saw the TV interviews; 130+ influencer posts
- 1,000+ bullying stories shared
- 250,000+ students in 450+ UK schools signed up to the education program
- Best performing brand asset at point of market entry, 3x the TikTok benchmark
- -35% operating costs
- Up to 1,200% ROI optimization; 600% ROI optimization on content creation
- -35% agency fees
- +35% media buying ROI
- 78% Decrease in CPC
- 59% Decrease in CPA
- 182% Increase in Conversions
- 347% Increase in Social Following
- 214% Increase in Organic Email Sign-ups
- 194% Increase in Conversions
- 146% Increase in Revenue
- 140% Increase in Conversions
- 56% Decrease in CPA
- 48% Decrease in Cost Per Click
- 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
- 51% increase in organic traffic and 73% increase in blog traffic
- 61% increase in new leads
- LinkedIn training for sales: 353% more interactions and 424% more shares
- 300% increase in new contacts
- 100% increase in sales qualified leads (SQLs)
- 90% increase in monthly website visits
- 98% increase in webinar registrations
- 72% increase in monthly blog views
- Book launch hit #1 New Release on Amazon in two categories
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