Best Digital Marketing Agencies in the United States (2026) – Ranked by Case Studies
Red-D-Arc (BotX Robotic Welder Launch) Client-verified
- +90% leads, reaching 200+ leads per month
- Opened a new robotics center in Atlanta to meet demand
- Sales team expanded after the launch
- 1,125.58% ROI on ad spend
- $338,709 campaign net income
- Ad spend cut from about $67K to $30K with 153+ leads
- Client raised its spend with the agency by 40% to $150K+
- +52% organic traffic YoY (goal was 20%)
- Top 3 for "Pool Service Houston" with no ranking drop at launch
- +58% page views YoY
- -10% bounce rate on organic traffic
Cinda B Client-verified
- 172% increase in online sales
- 25% increase in conversion rate
- 8x growth in website traffic from social media
- 89% increase in new customer traffic
- 62,000 verified app installs in 30 days, 24% above goal
- $10.02 customer acquisition cost
- 37% first-order conversion rate
- 20,251 tickets sold for the 2019 home opener, a club attendance record
- 1.6 million soccer fans reached
- 33,606 new website visitors and 447 season ticket inquiries
- Social ads converted at a 23% lower cost than search
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%
- Monthly web traffic up 50,000+
- 160% increase in social engagement
- 20,000 member growth; supported 2 credit union acquisitions
- 225% increase in monthly web traffic and 300% in social engagement
- 7,000 member growth and $244M in asset growth
- CUNA Diamond Award winner
Gratsi Client-verified
- 7.5M views from 11 influencers in one month
- $1.69 CPM, 73.1% below the industry average
- 10x sales growth in one month
- 8.1M views
- $4.31 CPM
- 9 creators and 40+ pieces of content in under a month
- 42M+ impressions from 47 creators
- 74,000 website clicks at a $0.72 CPC
- 6.33% engagement rate
- Mac N' Cheese sold out nationwide mid-campaign
Classic Muscle Client-verified
- Organic Google traffic tripled in the first year
- Web traffic +128% year over year (Aug 2017 to Aug 2018)
- 278 qualified leads in the first six months of 2020
- Reached #1 in Google for the target search term within a few months
- Shop booked out for several months by late 2018
- 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
- 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
Taco Bar Catering Client-verified
- Conversions and year-over-year revenue +250%
- Online orders and phone calls +85%
- 7,225+ items sold and 315+ online orders
- $105,700+ revenue generated by SEO
- Listed in the local 3-pack
- Conversions up 5x and bounce rate down 3x
- Year-over-year revenue +400%
- 38,000+ visits
- 158+ form fill-ups and 220+ phone calls
- $2.3M+ revenue generated by SEO
- Traffic from new users +90%
- First-time callers +132%
- Clicks +131,542% and organic impressions +9,116% (from a near-zero base)
- 2022 vs. 2021: total calls +117%
- Expanded from two locations to a third
Sunshine Supply Client-verified
- 46% traffic increase
- Average search positions reduced by 30%
- 40% improvement in website traffic
- 25% of website traffic coming from the blog
- 10% boost in conversion rates
- 62.3% increase in email click rate
- 20.8% increase in email average order value
- 10:1 ROI from paid media and email marketing in 2023
- Ad spend cut 50% while revenue held at the prior year's level
Jeeva Clinical Trials Client-verified
- 4X increase in organic search visibility
- 40% increase in website engagement rate
- 10%+ monthly increase in social followers
- 50+ high-intent keywords on page 1
- 200% increase in engagement during the yearly summit
- 25%+ quarter-over-quarter social reach growth
- 20% increase in website engagement rate after go-live
- 70%+ of target keywords on page 1 within 6 months
- 9X increase in search visibility within 10 months
- 25% quarterly increase in social media reach
- 20% increase in key events after redesign
Sun and Earth Construction Client-verified
- 31% increase in organic clicks in three months
- 35% increase in impressions
- Conversions up 405.88% in 30 days
- Conversion rate up 9.14% and click-through rate up 38.57%
- Average cost per click down $10.28
- Local organic rankings up 400%+
- Organic ranking up 300%+
- Google Ads conversions up 48.57% and cost per click down 67.50%
- Organic clicks up 50% and impressions up 105% over 12 months
Profile Precision Extrusions Client-verified
- 550% increase in high-quality leads
- 73% increase in conversions
- 58% increase in clicks
- 10% decrease in cost per lead
- 32K+ organic clicks in 8 months, up 72% YoY
- 2.38M impressions in 8 months, up 171% YoY
- 3,250 high-intent organic conversions, up 114% YoY
- 3,238 keyword ranking improvements, including 105 local gains
- "lasik scottsdale az" now ranks #1; "eye care center near me" went from #6 to #1
- 552% increase in Facebook/Meta impressions, Q1 2025 vs. Q1 2024
- 147% increase in Facebook/Meta clicks to website
- 90.5% year-over-year increase in Google Search CTR
- 5% increase in new leads year over year
King Law Offices Client-verified
- 34% increase in organic client acquisition in 3 months
- $130K in additional monthly revenue within 3 months
- 26K top-ranking keywords across search engines and AI
- Revenue from the first 3 months more than covered annual marketing fees
- Ranked keywords up from 20 to 528 in 10 months (+2,540%)
- 18 #1 rankings, 15 of them previously outside the top 100
- Organic traffic up 468% year over year
- 351 SERP features by November 2025, including featured snippets and local packs
- Organic sessions up from 176 to 710 in August-November, year over year
- 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
Trellis Strategies Client-verified
- Website traffic up 86% since the newly branded website launched
- Year 1: leads at $563 and a $850 customer acquisition cost on a ~$40,000 customer
- Year 2: website traffic up 40%, with 3.52% converting to qualified leads
- Year 2: cost per lead down to $86.52 and CAC to about $175
- 6,802 new website users in 11 months
- Social followers grew from 58 to 475 across Facebook, Instagram and Twitter
- 49,093 social ad engagements since the first campaign launched
- Ad CTR of 3.95% and CPC of $0.31, vs. industry averages of 1.61% and $1.32
Loeffler Randall Client-verified
- 152% increase in conversion rates
- 40% increase in ROAS
- 20% increase in transactions
- 60% decrease in cost per app install
- 65% decrease in cost per qualified B2B lead
- 25% increase in qualified B2B leads
- 54% increase in company revenue
- 50% increase in YoY leads
- 29% decrease in cost per lead
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
- Organic sessions up 54% year over year
- Clicks up 40% in 90 days
Coastal Contracting Client-verified
- 165% more leads than expected
- 21% lower cost per lead than predicted
- 20% lead conversion rate, 6x the 3.37% industry average
- Over 2.5x as many new customers at a 23% close rate
- 336% more leads than predicted, even on a reduced budget
- 71% lower cost per lead than expected
- 24% lead conversion rate, over 4x the 3.37% industry average
- 20-50% more new clients per month from website search traffic
- 66% increase in hardscape installations, from 12 to 20 jobs in a year
- 294% more leads than predicted from search
- Average 25% lead conversion rate, over 6x the 3.37% industry average
- PPC cost per lead 63% below projections
- About 4x as many new customers as projected at a 50% close rate
Wafer World Client-verified
- 140,538 impressions
- 180 ranking keywords
- 6,966 clicks to the site
- 17.3x return on ad spend
- $107,638 trackable revenue
- 810 leads generated
- $33,000 revenue from new patients in 60 days
- 7.75x return on ad spend
- 49 high-intent leads
StoneX Client-verified
- Thousands of pages redirected in a WordPress to HubSpot migration without losing search authority
- Average cost per conversion on Google Ads down $250
- Average cost per click down $11
- MQL conversion rate nearly doubled
- 148% increase in move-ins from internet sources
- One agency marketing multiple communities
CouponFollow (AP Brand Newsletter) Client-verified
- 30K+ newsletter recipients with a 56% open rate
- +37% average revenue increase for participating brands
- +13% average clicks and +10% average transactions for brands
- +371% revenue YoY
- +410% conversions YoY
- +203% content posts YoY
- 498 new influencers added
- +267% YoY sign-ups
- 2,600+ UK enrollments over 2021
- 17,000 clicks generated over 2021
VLK Architects Client-verified
- Average combined rank improved from #82 to #27 (+203%)
- Impressions +159% (4,700 to 12,180) in 3 months
- 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
- Impressions +90% (4,931 to 9,592) in 3 months
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
Elite Med Spa Client-verified
- Organic traffic +160%
- Paid search leads +31%
- Paid-generated customers +45%
- Organic traffic +127%
- Paid search leads +86%
- Paid-generated customers +52%
- Owner reports business growing 3X in eight months
- Organic traffic +364%
- Organic search leads +160%
- Customers generated +45%
Artec Automotive Client-verified
- +400% Google Ads ROAS
- +150% social ads ROAS
- -17.7% Google Ads cost per conversion
- Invalid click rate lowered from 10.51% to 7.34%
- +159% organic search sessions and +246% organic conversions
- -54% Google Ads cost per lead
- ~148 AI citations and 42 AI-assisted leads
- 31K Instagram followers with a 9.19% engagement rate
- ~182 AI citations across 6 engines, up from ~19 across 3 (~10x in 5 months)
- 40-49 web leads per month with 100% lead tracking
- 190 keywords improved and 50 broke into the top 20
Scolaro Law Client-verified
- 176% increase in organic traffic in the first month
- Siloed practice-area architecture to strengthen topical authority
- 48% increase in average organic search traffic
- 20% improvement in page load speed
- Content restructured around audience journeys
- Complete rebrand with a tiered branding system for every medium
- Refreshed identity honoring 30+ years in Sacramento
Autodesk Client-verified
- 35 Appointments booked in 4 months
- 110% KPI achieved
- 341 Appointments in 8 months
- $300K+ Closed revenue
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
Nichiha Client-verified
- 451M PR impressions
- 28.8M paid media impressions
- 26% increase in paid media conversions
- 31% increase in deal revenue per contact
- 23% increase in marketing attributed revenue
- 265 average leads per month
- 81,000 page views over a 4-month campaign
- 1.4M impressions over 4 months
- 23% increase in marketing attributed revenue
Dave Biehn Marketing Client-verified
- Agency partnership providing digital strategy and measurement for the consultancy's clients
- 70% increase in total traffic
- 25% decrease in bounce rate
- 54% more pages viewed per visit
Illinois Roofing Institute Client-verified
- 600%+ increase in organic traffic
- 120%+ increase in organic leads
- 10x growth in ranking organic keywords
- #1 on Google for "roofing school near me" and "roofing exam prep"
- Top-cited source in Google AI Overviews for "best Illinois roofing school"
- 47x increase in organic traffic
- 150% increase in organic leads
- Ranking keywords grew from about 100 to 3,200
- #1 ranking for "best roofing company in Chicago"
RUX Client-verified
- 5M+ paid ad impressions
- 105K+ website page views
- 44% growth in organic traffic
Intelligent Product Solutions (IPS) Client-verified
- More prospect introductions in 8 months than in the prior few years
- Full sales pipeline from outbound email
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