Best Digital Marketing Agencies in the United States (2026) – Ranked by Case Studies
- Scaled while maintaining a high return on ad spend
- Pivoted from chef apparel to masks and back
- Channels: Google Ads, Facebook and Instagram ads, SEO, link building, native ads
- Aggressive A/B testing and audience segmentation
- Conversion rate optimization with Google Ads
- Remarketing, programmatic and analytics
- Growing market share through paid search and paid social
- Higher online sales from tighter targeting and aggressive optimization
- Channels: paid search, paid social, remarketing, programmatic, analytics
- 50% increase in revenue
- 58% increase in new customers
- 34% increase in CTR
- 120% increase in revenue YoY
- 2.6X ROAS
- $310 CPA ($900 AOV)
- 184% increase in revenue
- 41% increase in ROAS
- 53% increase in ARPU
- 9.8M YouTube views within 1 month
- 8.6M impressions via Google UAC
- 20+ leads per month from organic search
- 1.5K organic traffic visits per month
- Top 3 Google rankings for hundreds of relevant keywords
- 8.3K organic traffic visits per month
- 136 top 3 keyword rankings on Google
- 150+ leads per month
- 9,900 organic search traffic per month
- 215+ leads per month
- 900+ 1st page rankings on Google
- +25% YoY organic traffic
- +10% conversion rate
- $6M/year savings with Webflow
- +56% total leads across all channels
- 15% decrease in cost per lead
- 80% average improvement in franchise-related keyword rankings
- 31% increase in page 1 keyword rankings
- 241 organic leads (+14% QoQ)
- +7.42% form submissions (video test)
- +14.81% phone clicks (video test)
- +9.41% form submissions (nav test)
- +45.18% phone clicks (nav test)
- 6M Minutes Watched
- 182,837 Video Completions (18.02s Avg Watch Time, 38% Above Benchmark)
- 15% 6s VVR (50% Above Hilton Benchmark)
- 2.17% Engagement Rate (2% Above Platform Benchmark)
- 13 Million Video Views and 790K Livestream Views
- 469K Engagements
- 90%+ Increase in Awareness of Mitchum
- 150%+ Increase in Consideration of Mitchum
- 3,000+ Mitchum Samples Shared
- 82% Increase in Awareness from OOH Strategy
- 19% Uplift in Associating Sonos with Superior Sound Quality
- 40% of Prime Users Clicked to View the Brilliant Sound Hub
- 400% Growth in Direct-to-Consumer in 6 Months
- 200+ Keywords Ranking in Position 1
- 37% YoY Increase in Site Traffic
- 23% YoY Increase in Revenue
- 12,000+ New Sessions in First Month
- 67% Increase in Average Organic Traffic (US)
- 234% Increase in Ranking Keywords (US)
- 212% Increase in Keywords Ranking Positions 1-3 (US)
- 886% Increase in Search Impressions YoY
- 101% Increase in Non-Branded Organic Traffic YoY
- Domain Rating Grew 10x (3 to 34) in 5 Months
- 460 creators activated over six campaigns, producing 1,461 pieces of license-free content
- 5% average engagement rate vs. a 1-2% industry average
- 410 posts and 106 stories reaching 7.3M total followers
- 8,124 new Instagram followers, a 23% increase
- 180 posts created by 100 micro-influencers
- 4.55% campaign engagement rate
- 2.3M campaign follower reach
- 203K total campaign engagements
- 117 posts created by 100 micro-influencers
- 4.47% campaign engagement rate
- 2.3M campaign follower reach
- 109K total campaign engagements
- 28 earned media placements in six weeks
- 17 syndications from the debut announcement
- Backlinks up 96%, from 401 to 784
- 419 referring websites
- 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
- 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
- 32 conversions at an $89.12 cost per conversion
- 5.75% average conversion rate
- 2.9K+ sessions and 1.9K+ new users
- 53.57%+ engagement rate
- 5.5K+ organic impressions
- 50% of tracked keywords in the top 10
- 70%+ organic impressions
- 2-minute average engagement time
- 800+ page views and 300+ clicks
- $1.56M+ in online sales on $146K+ ad spend
- 14.83M+ ad impressions
- 36.1K+ organic traffic and 1.88M organic impressions
- 1.04% average conversion rate at a $342 average order value
- +560% annual increase in wedding venue proposal requests
- +112% website traffic
- Year-over-year revenue increase
- Google Ads across Display, YouTube and Search
- +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
- +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
- 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%)
- 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%
- 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
- 98% of annual revenue target achieved by June
- Programmatic engagement about 2x industry standard
- LinkedIn CTR 3-4x industry standards
- Revenue +12% YoY (Jan 2025-2026) and +16% YoY (Feb 2025-2026)
- Seven-year partnership; hired an in-house marketer in 2026
- New buyer types found the company through web search
- Retargeting demand exceeded the available supply of impressions
- Strong advertiser renewals for the program
- Average keyword rank improved from ~23 to 6
- 1,700+ AI search citations across Google AI Overviews, ChatGPT and Gemini
- #1 ranking for Futon Mattress
- 20-30 seconds per purchase order, down from manual review
- 400-1,000 purchase orders processed a day
- 322% increase in top-3 keyword rankings
- 66% increase in top-10 keyword rankings
- 151% increase in referring domains
- 34% increase in organic clicks
- 281% increase in top-10 keyword rankings (12 months)
- 25% year-over-year increase in organic clicks
- 9,500% growth in AI Overview visibility
- 6.5MM website visits
- 20MM+ social media impressions
- 6.8MM+ video ad views
- Social following grown to 155K
- 315% CTR growth (0.40% to 1.66%)
- 1,646,052 views across reach campaigns
- 72.21% view-through rate in action campaigns
- 30,674 clicks driving targeted traffic
- 17 monthly form-fill conversions by month two
- #1 for all core keywords for 18+ months
- Organic search drives 41% of annual revenue
- 10X ROI on SEO investment (up from 6.8X)
- 169% increase in organic traffic
- Revenue up 40% year over year in November ($100K to $140K)
- #1 and #2 for "electric cigar humidor"
- 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
- 1122% increase in conversions
- 87% increase in organic sessions
- 1400% increase in top 3 ranking keywords
- $4,340 in ad spend generated 2,711 clicks
- 2.65% CTR, well above the LinkedIn average
- $1.60 cost per click
- $123 cost per lead
- $71 average cost per lead on LinkedIn Message Ads
- 39% lead form completion rate
- 54% YoY increase in organic traffic
- 25% YoY growth in organic revenue
- Organic impressions up from 20,000 to 55,000 per month
- 63% YoY growth in organic traffic
- Blog content drove revenue and traffic growth within 9-12 months
- Posts kept bringing new traffic months after publishing
- 746 new leads in 3 months
- 68% paid traffic conversion rate
- $5.03 cost per lead
- 8.63% ad engagement rate
- 2,700% increase in revenue within 6 months of course launch
- 150% increase in subscribers
- 200% growth in social media engagement
- 35% increase in email open rate
- Average occupancy from 71% to 89% in 7 months
- 4.2x return on ad spend
- Cost per lead -63.8%
- 500 qualified leads
- HubSpot CRM implemented across three communities
- Conversions +60%
- Ad clicks +520%
- Ad impressions +2,563%
- New website users +62%
- #1 rankings for 18-wheeler accident lawyer in Conroe, Galveston and The Woodlands
- New brand identity, website and Google Ads campaign
- Month-over-month website traffic growth
- Overcame a market lull in demand for staffing
- Fastest growing medical device company in North America
- Only AED company to grow market share
- Deloitte Technology Fast 500 and IDSA Design of the Decade winner
- Acquired by Nihon Kohden
- 300%+ organic traffic growth over two years
- Keyword rankings from 21 to 268 (77 top-three)
- 3,000+ phone calls
- 1,600+ Google Ads conversions at $40-$50 CPA
- 32% national visibility
- 7,207.69% improvement in map visibility
- Top-three map placements from 0% to 23.67%
- Average map ranking from 20 to 10.85
- Phone calls from 5 to 23 (360% growth)
- 1,361% increase in organic traffic
- 150+ new leads per month
- Paid search clicks up from 173 to 1,942
- Email-driven visitors up from 379 to 5,539
- Website rebuilt on the Studio V platform
- HubSpot CRM implementation and training
- Facebook and Instagram campaigns attracted new customers
- 14,000+ event signups in 90 days at 758% ROAS
- ~10,000 emails by month 3 at 370% ROAS
- 5,500 emails in first 30 days at 258% ROAS
- $2M revenue from event ad campaigns
- 1,140% ROAS during Black Friday/Cyber Monday
- 300% ROAS from new customer campaigns
- 462% ROAS from gifting campaign
- Expanded into Canada and the UK
- Three brands built: Partridge Inn, 8595 restaurant and Six South rooftop bar
- Delivered branding, collateral, illustration, social, video and web
- Delivered branding, storytelling, collateral, illustration, social, video and web
- Delivered branding, collateral, video and web
- Cinematic brand campaign video for new attractions
- 76% increase in new visitors
- 3.36K impressions in 30 days
- 132% average increase in web actions
- 163% increase in keywords ranked (580+ total)
- #1 among competitors
- Referring domains grew from 76 to 195
- $700M in revenue generated
- 2,000+ appointments tracked and 100+ deals attributed
- 43% of revenue driven by digital leads
- Connected event marketing across email, social and landing pages to the full buyer journey in HubSpot
- Three Life Plan campuses in Naples, FL
- 47% increase in keywords in the top 3 positions (June 2020 vs June 2019)
- 3.8% increase in keyword rankings (June 2020 vs June 2019)
- 5,231% increase in keyword rankings (Oct 2019 to May 2020)
- 1,600% increase in keywords in the top 3 positions (Oct 2019 to May 2020)
- Brand, logo and landing page for an appliance repair startup
- Near-100% PageSpeed and local SEO structure
- Naming, brand identity and landing page built from scratch
- Real bookings within weeks of launch
Find the best Digital Marketing agencies in your industry
Find the best Digital Marketing agencies in your country
- Canada
- United Kingdom
- United States
Find the best Digital Marketing agencies in your state or region
Find the best Digital Marketing agencies in your city
Find the best Digital Marketing agencies for your business size


















