Best SEO Agencies (2026) – Ranked by Case Studies
Cables Unlimited Inc. Client-verified
- New website on a custom WordPress theme
- SEO and content creation
- Review management and business listings
Hunter Law Client-verified
- Website rebrand with on-site corporate photography
- PPC and SEO search marketing campaign
- 450+ location-targeted SwarmPages across Tampa Bay
- Repaired French and Spanish SEO tags
- Translated metadata implemented
- Refined French homepage description
Hanover Company Client-verified
- Net lease rate up from 64% to 73%, beating the luxury lease-up benchmark
- Tracked conversions up 79% year over year, from 119 to 311
- Google Business Profile clicks to the website up 45% to 1,417
- Completed applications rose from zero to 13
Paul Davis Client-verified
- 731% ROI from digital marketing
- Franchise locations see a 3x to 7x return on investment
- Milwaukee location: 1 to 61 AI Overview appearances and 59% more calls
- 17x increase in organic traffic
- 282% increase in organic rankings
- 60x increase in SEO-driven conversions
DFIN Client-verified
- 50 Million Impressions
- 300% Increase in conversions
Kelair Dampers Client-verified
- +141% Increase in leads
- 1,221% Increase in Website Traffic
- 70% Increase in Monthly Phone Leads
- 800% Increase in Traffic to Membership Subscription Plans Page
- 2,800% Increase in Traffic to Emergency Treatment Page
- 30+ Increase in Local First Page Rankings
TYKMA Electrox Client-verified
- Overall traffic +402%
- Search engine traffic +540%
- Monthly leads +314%
- 30.3x ROI for SEO and PPC in 2021
Kent State University (College of Business) Client-verified
- Leads from Google Ads +366% (2016 vs. 2015)
- Overall leads +135% and paid leads +148% (2017 vs. 2016)
- 6.4x ROI in 2017
- 10+ enrollments and nearly 3x ROI in 2019
- +579% organic ecommerce revenue (Jan 1 to May 13, 2026 vs. prior year)
- +62% organic search traffic
- Grew from a regional Indianapolis distributor to a national brand
Nationwide Plastics Client-verified
- Organic conversions +192% in the first quarter after launch (38 to 111)
- Overall conversions +162% (199 to 522 leads)
- Organic traffic +46% (3,162 to 4,612 visits)
- Magento e-commerce site
Stainless Drains Client-verified
- Leads +1,114% (72 to 874 form submissions)
- Traffic +398% (4,014 to 19,986 visits)
- 3D model and drawing catalog integration
- Page form submissions +186% (14 to 40)
- On-page conversion rate +175% (1.64% to 4.51%)
- Overall website leads +127%
- Sheet-selection tool feeds the RFQ form while keeping SEO value
Tisch Scientific Client-verified
- 30% annual growth rate sustained for 5 years
- 250% increase in revenue
- 1,789% increase in SEO traffic
Blade & Blue Client-verified
- +405% ROAS on paid campaigns
- +65% revenue growth
- +71.2% increase in conversion rates
- 6x increase in search visibility
- 2.3x increase in leads
- 2.6x increase in job applications
Sage Client-verified
- Lead volume up 150%
- SEO health score up from 57% to 97% in eight months
- One SEO strategy across six brands in the US, UK and Germany
Squaremouth Client-verified
- 270% more revenue from ChatGPT in 6 months
- Search traffic up 78% while competitors lost 34.5% to AI Overviews
- $17M in incremental revenue recovered
- $9M from localization tests and $8M from technical SEO fixes
- Hreflang and metadata rules rebuilt across 25+ markets
Inspire Kids Montessori Client-verified
- 50+ leads per month and 150 enrollments in under 12 months
- About 300 leads and 93 enrollments within 90 days
- Organic traffic up 240% with 3,300 new organic users
- Page ranking up 260+ spots and click-through rate up 28.9%
First Family Insurance Client-verified
- 1,000+ leads per month after a year, at a 30% landing page conversion rate
- 80% contact rate
- Average cost per lead of $12, down from $26 in the first months
- 192 PPC leads, with a 53% conversion rate and 95% from live phone calls
- Cost per lead cut from $172.50 to $128.64 in three months
- 220% increase in organic traffic
KCS Building Group Client-verified
- New website, messaging and design
- Conversion-driven service page copywriting
- Always-visible phone number and contact form
- SEO baselines
CloudSmart IT Client-verified
- New website showcasing IT services and elevating the brand
- A page for each IT service with calls to action
- Blog for news, insights and tech tips
- SEO campaign
- Six-month SEO campaign to raise rankings, authority and organic sessions
- Keyword research, on-site, technical and off-site SEO
- Core Web Vitals and site speed optimization
- Reach expanded from Nashville to the US for the online coaching program
Killerspin Client-verified
- Replatformed the store to Magento linked to warehouse operations
- Sales tracking live from day 1
- Distribution in 14 countries across 5 continents
Carbon Clean Client-verified
- $113M+ pipeline value created in the first year from online sources
- +400% organic traffic over 6 months
- +162% lead generation YoY
- Millions added to pipeline within 60 days
- Search impressions 29K to 115K in six months
- Organic keywords 300 to 1,400+
- Site audit score 79% to 97%
Cutting Edge Countertops Client-verified
- Conversions +24% by February, +40% by March and +25% in April
- 44,185 organic sessions and 18,143 paid search sessions
- 195K overall web sessions
- Average CTR 5.03%
Firenza Stone Client-verified
- Clicks +1,027.4%
- Website conversion rate +651.3%
- Organic traffic +105%
- Average 135 leads a month
- Cost per click -14.4%
- 830+ form conversions tracked
- 39,602 total tracked sessions
- 7,471 sessions from paid ads
- GA4 and CallRail fully integrated
Elite Smiles of Louisville Client-verified
- 98 verified qualified leads a month after 20 months, up from 44
- SEO alone drives 80 qualified leads a month at $11.25 each
- Overall cost per qualified lead down from $209 to $34
Dental Solutions of Central Park Client-verified
- Page 1 Google keywords up from 6 to 20+
- 49 verified SEO leads a month at $18 each, down from $560 per qualified lead
- Cost per new patient cut 76%, from $177 to $43
- Verified new patients up 77%, from 39 to 69 a month
- Google reviews up from under 100 to 849 at 4.8 stars
- Ranking #1 for "family dentist aurora"
La Diosa Client-verified
- Miami Lakes profile visibility up 63% and high-value keyword results up 69%
- Calle 8 profile visibility up 30% and high-value keyword results up 35%
- #1 in Google Map Pack for "Mexican food" and "tacos" across two locations
- #1 organic ranking for "Mexican restaurant near me" and "taco Tuesday"
- Helped triple revenue through organic SEO, Map Pack marketing and website automations
Spencer Couture Client-verified
- Google Business profile visibility up 290% and keyword search results up 581% year over year
- Top 2 in the Google Map Pack for "Las Vegas Art Gallery"
- Organic traffic up 91% in 9 months
- 3,000+ ranked keywords in 9 months
- #1 for "How to Get Weed in DC"
KT Tape Client-verified
- Social media following growth for a kinesiology tape brand
- Live streaming and brand partnerships
- Video production
Plasticity Brain Centers Client-verified
- Website design and development for a neurorehabilitation center
- Infographics and video production
- SEO, PPC and social media marketing
- More website traffic for a Toyota dealership
- SEO and pay-per-click campaigns
- Newsletter design and distribution
Decks & Docks Lumber Company Client-verified
- Google Ads impressions up 2,176% to 2.16M, 2021 to 2022
- Ad clicks up 78%, to 15,225
- Ad conversions up 120%, to 2,393
- Cost per acquisition down 39% and cost per click down 25%
- Earlier SEO work drove 658% more website traffic
The Associates Home Loan of Florida Client-verified
- Google Ads impressions up 42% and clicks up 60% year over year
- 1,448 conversions, up 21% year over year
- 127% increase in Google rankings year over year
- 239K users from SEO, up 26% year over year
- Call clicks up 95% and direction requests up 138% year over year
- 299% increase in total sales vs. the previous three months
- 163% increase in organic sessions, to 37K+
- 222% increase in total conversions, to 980
- 46% increase in average order value
- 144K total sessions, up 85%
Warren Law Firm Client-verified
- Revenue tripled, from $650K in 2021 to $1.9M in 2023 (21 months)
- Google PPC returned up to 9X ROI on ad spend
- 1,730 PPC conversions from January to August 2023
- 474% increase in SEO keywords
- Monthly organic traffic up from 69 to 4,200 visitors
Din Law Group Client-verified
- Organic traffic up 12.6X, from 74 to 933+ monthly visits
- Ranking keywords up from 60 to 2,200
- Backlinks up from 111 to 1,098
- 2,795 paid search leads from calls and forms
- Active caseload doubled
- 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
Blind & Sons, Inc. Client-verified
- 54% increase in leads from SEO
- 252% increase in leads from PPC
- 194% total lead increase from digital marketing
Penguin Air, Plumbing & Electrical Client-verified
- Grew from a $13M business to $30M (2020 to 2023)
- $34M+ revenue generated from digital marketing in four years
- Digital marketing accounted for 50%+ of company revenue over four years
Lea Black Beauty Client-verified
- 28% Increase in User Engagement
- 335.5% Increase in Organic Revenue
- 4.9% Increase in Instagram Followers
- 28% Increase in Facebook New Page Likes
- 23.5% Increase in Followers Reached on Instagram
- 23.82% Increase in Organic Sessions
- 127.44% Increase
- $1,638.98
- 32.27% Increase in Revenue
- 99% Increase in Total Site Traffic
- 111% Increase in And New Users Have
Lethal Performance Client-verified
- 1,103% increase in revenue
- 456% increase in website traffic
- 14,213 first-page Google positions (up from 3,800)
- 479% increase in paid revenue with 124% increase in ad spend
- 923% growth in online sales over three years
- 167% Increase in Organic Traffic YoY
- 169% Increase in Organic Goal Conversions YoY
- 99% Increase in Keyword Rankings
- 106% Increase in Organic New Users
- 145% Increase in Revenue
- 332% Increase in Keyword Rankings
- 74% Increase in Organic Search Traffic
Lowbrow Customs Client-verified
- Organic traffic +28% YoY within 6 weeks of launch
- Transactions and revenue +156% YoY
- Keywords in top 3 +63.16%
- Keywords in top 4-10 +71.43%
- Keywords in top 21-100 +118.31%
- "japanese snacks" from #9 to #2 (9,900 searches)
- "japanese subscription box" from #5 to #1 (1,600 searches)
- Recovered ranking for "Japanese snack box" after a drop
HipVan Client-verified
- 58% organic revenue growth YoY
- 20% revenue growth YoY across channels
- 28% more engaged sessions across channels
- 442% increase in conversions
- 278% increase in clicks
- 83% increase in keywords ranked on page 1
- 72% increase in page 1 keywords
- 220% increase in purchases YoY
- 41% increase in clicks period on period
The Loken Group Client-verified
- 6.8% More Clicks
- 105% More Views
- 45% More Impressions
- 43% More Users
- 38% More Traffic
- 45% More Returning Users
- 28% More Engagement
- 38% More Views
- 47% More Returning Users
Low VA Rates Client-verified
- More than doubled organic traffic in a year
- Doubled traffic and leads
- 57% increase in quarter-over-quarter traffic
- 18% increase in year-over-year organic traffic
- 8% increase in year-over-year organic transactions
- Placements in 200+ high-authority publications in six months
- Average domain authority of 68 on placements
- Coverage in Forbes, Inc., HuffPost and TODAY
xTiles Client-verified
- 75.5K monthly organic traffic (up from 60.1K)
- 31% growth in top-3 keyword rankings
- 81% growth in high-quality referring domains
- 56K additional organic clicks (191K to 247K)
- 73% CTR increase
- 51% average ranking position improvement
- Organic traffic from 22K to 68K per month (209% growth)
- 400% more quality leads
- 140% mid-season monthly clicks increase
Search Solution Group Client-verified
- +40% inbound leads by Q1 2023
- +50% organic search traffic over six months
- +35% click-through rate after moving to responsive search ads
- Automated rental system that prevents double booking
- Retargeting to recover abandoned carts
- +25% job applications in three months
- +40% high-quality candidates from local Texas university students and young professionals
ArcStone Client-verified
- 51% increase in organic keywords
- 1,936.99% increase in organic traffic
- Domain Rating from 51 to 54
- 127% increase in organic sales
- 245 new keywords
- Domain Rating from 28 to 31
- All-time high revenue
- 89% increase in organic traffic
- Domain Rating from 46 to 57
Peter Sheppard Client-verified
- +142% organic revenue
- +426% Google Ads revenue
- +95% Facebook and Instagram Ads revenue
- +6,162 ranking improvements across tracked keywords
- +111% organic sessions
- +436% organic key events
- +1,601 ranking improvements across tracked keywords
- +289% monthly organic sessions
- +84% monthly organic bookings
- +2,772 ranking improvements across tracked keywords
Le Bledo Eatery Client-verified
- Google Business Profile views +28.5% YoY
- Engaged sessions +24.8%
- Website views +41.4% vs. the prior quarter
- Redesigned menu with sticky sidebar, allergy key and catering order forms
- Domain Authority from 5 to 12 in 5 months
- Organic users +71.6% and total users +86.5%
- Page views +63.2%
- +589 organic keyword rankings
- Bing Ads clicks +124% (2022 vs. 2021)
- Bing Ads revenue +96.5% and transactions +80.5%
- Bing Ads viewable impressions +222%
Felco Client-verified
- Doubling DTC Revenue for a 75-Year-Old Swiss Tool Brand in 6 Months
- Discover how scandiweb helped FELCO grow DTC revenue by 108% in 6 months through integrated PPC, SEO, AEO, email, and CX campaign
- Goal-Oriented SEO Program for Macron Brings +65.8% Revenue YOY
- Get to know the work of scandiweb's SEO team that brought improvements across all KPIs for Macron's international websites a few months after onboarding
- SEO Program with a Content Strategy Results in +311% Clicks YOY
- After successful migration to Magento 2, our SEO team set out to implement a new strategy to get Nuclear Blast ranking in top positions
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
- Search engine clicks up 125%
- Organic traffic up 56% in South Korea, 18% in the US and 68% in Germany
- 49K active users from February 1 to April 18, 2026
- ChatGPT sent sessions from 501 active users, leading to 33 key events
- Google Business Profile views up 75% in the first year
- Search engine visibility up 21%
- 1,400 keywords driving organic traffic
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