Best SEO Agencies (2026) – Ranked by Case Studies

Portent Visit Website →

RealTruck

SEO, Content Marketing

Automotive

5K-10K Employees

N/A

Ann Arbor, MI

N/A

94% Single-Year Growth in Organic Traffic
48% Increase in Organic Revenue
1M New Shoppers Through Organic Search

Star Rapid

SEO, Content Marketing, PPC

Manufacturing

201-500 Employees

N/A

Zhongshan, China

N/A

32% Increase in Overall Website Traffic
#1 Ranking for their Most Desired Search Term
10x Growth in Monthly Blog Traffic

Enercare

SEO, Content Marketing, CRO

Home Services

1K-5K Employees

N/A

Markham, Canada

N/A

23% Increase in YoY Organic Traffic
24% Increase in Form Fill Conversion Rates
65% Increase in YoY Total Conversions

97th Floor Visit Website →

National Funding

SEO

Finance

51-200 Employees

N/A

San Diego, CA

N/A

41.1% Increase in Organic Sessions
43.2% Increase in Organic Leads
#1 Rankings for Focus Keywords

Andy Frisella

SEO, Content Marketing

Coaching

501-1K Employees

N/A

Fenton, MO

N/A

200+ Keywords Ranking in Position 1
37% YoY Increase in Site Traffic
23% YoY Increase in Revenue
12,000+ New Sessions in First Month

Tome

SEO, Content Marketing

SaaS

11-50 Employees

N/A

San Francisco, CA

N/A

67% Increase in Average Organic Traffic (US)
234% Increase in Ranking Keywords (US)
212% Increase in Keywords Ranking Positions 1-3 (US)

Webfor Visit Website →

Lincoln City Gifts

SEO, Content Marketing

Gifts

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%

Casey Grace Studios

SEO, Web Design

Furniture

N/A

Portland, OR

N/A

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

Inexpensive Tree Care

PPC, SEO, CRO

Home Services

N/A

Portland, OR

N/A

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%)

Wakefly, Inc.Visit Website →

Automated Packaging Systems

Web Development, SEO

Manufacturing

N/A

Streetsboro, OH

N/A

Google Tag Manager implemented across 50+ domains
Custom Google Analytics dashboard created
SEO audits and Kentico upgrade

Encyclopedia.com

Web Development, SEO

Publishing

N/A

300% increase in ad revenue
14% decrease in bounce rate
9% increase in average session duration
Millions of content pages migrated

Thrive Support and Advocacy

Web Design, Web Development, SEO

Non Profit

N/A

Marlborough, MA

N/A

WordPress site built with an EventBrite calendar integration
Accessibility and ease of use prioritized
SEO and enhancements supported since 2017

MultiView Visit Website →

Dean Technology

SEO

Manufacturing

N/A

New website visitors +44% within three months
Page views +41% and engaged sessions +6.4%
Top 5 rankings for 13 target keywords; one keyword from #99 to #1

The Tierra Group

SEO, Content Marketing

Food & Beverage

N/A

20 new customer accounts from 278 leads
Sessions +145%
188 new B2B keywords ranking

EXTECH

SEO, Content Marketing

Manufacturing

N/A

Organic sessions +69.5%
Sessions +38.7%, users +40.3% and engaged sessions +41.9%
100+ new targeted keywords

Eightfold Visit Website →

Dosis Inc.

Web Development, SEO

Medical

N/A

Minimalist Gatsby.js site built for speed and conversion
Content trimmed and key graphics added for medical professionals

Nimbl Vehicles

Web Development, SEO, Content Marketing

Automotive

N/A

New site for a rebranded overland expedition vehicle company
Conversion-focused structure built around selling the truck
Ongoing iterative updates across a multi-year relationship

Reflections Rehab

SEO, Content Marketing, CRO

Addiction Treatment

N/A

+415% organic traffic YoY
+177% channel conversion rate
-51.4% page load time (nearly 14s to 4.5s)

Oneupweb Visit Website →

Windemuller

Web Design, Web Development, SEO

Construction

201-500 Employees

N/A

Wayland, MI

N/A

Organic sessions up 37%+ in the first 12 days after launch
Bounce rate down 25%
Pages per session and session duration up 26%+
Lighthouse scores of 100 (best practices), 98 (accessibility), 93 (SEO)

Tangoe

Web Design, SEO, PPC

Technology

1K-5K Employees

N/A

Indianapolis, IN

N/A

Total contact form fills up 172% (Q1 2021 vs. Q1 2020)
Organic contact form fills up 78%
Paid conversions up 184% and cost per conversion down 50%
New users from paid media up 500%
Organic sessions to four main solutions pages up 67%

Bio Bidet

PPC, SEO, Email Marketing

E-commerce

11-50 Employees

N/A

Crystal Lake, IL

N/A

Paid transactions up 60% and paid revenue up 90% year over year after three months
Organic sessions and revenue nearly doubled year over year after three months
Organic monthly blog sessions doubled in seven months
Ranks #2 on Google for "bidet"

Tinuiti Visit Website →

e.l.f. Cosmetics

PPC, Social Media Ads, SEO

Beauty

201-500 Employees

N/A

Oakland, CA

N/A

+63% impressions across paid channels YoY
31M video views from TikTok campaign in 90 days
548,000 new users to elfcosmetics.com in 90 days
300% increase in Share of Voice on Facebook
+38% increase in orders on elfcosmetics.com

Burt's Bees Baby

PPC, eCommerce Optimization, SEO

Ecommerce

11-50 Employees

N/A

Fairfield, CT

N/A

130% increase in ad impressions
84% increase in ad revenue
71% increase in ROAS
55% increase in conversion rate (CVR)
10% decrease in cost-per-click (CPC)

Rough Country

SEO, GEO, AEO

Automotive

501-1K Employees

N/A

Dyersburg, TN

N/A

22% visibility score from 180+ high-intent AI prompts
$22.7K revenue from AI sessions YTD
3X visibility score vs nearest competitor
+71% increase in AI referral traffic (vs prior 90 days)

Pixated Visit Website →

Knight Frank

PPC, SEO

Real Estate

N/A

London, United Kingdom

N/A

46% increase in lead volume
55% of leads closed to paying clients
81% lower CPA
90% increase in traffic to the landing page

Adecco Group

PPC, SEO

Professional Services

N/A

Zurich, Switzerland

N/A

61% increase in enquiries from PPC
48% increase in organic enquiries
210% increase in organic traffic in 6 months
54% increase in conversion rate

Bloom & Wild

PPC, SEO, Social Media Ads

Florist

N/A

London, United Kingdom

N/A

Ranking first for 90% of target search phrases
122% increase in website conversions
59% lower PPC CPA
48% lower CPC

The Pedowitz Group Visit Website →

Vercara

SEO, Lead Generation

Technology

N/A

Herndon, VA

N/A

40% growth in SEO organic traffic
30% increase in lead conversion
Sales cycle shortened by 23 days
$7M in marketing-influenced pipeline

Azure Printed Homes

Web Design, SEO, Branding

Construction

11-50 Employees

N/A

Los Angeles, CA

N/A

5X monthly users
15X monthly sessions
4.5X page views
27% reduction in bounce rate

Investment Metrics

Web Design, SEO, Branding

Finance

N/A

Albuquerque, NM

N/A

614% increase in website traffic
266% increase in pipeline
489% increase in pageviews
160% increase in organic search sessions

Medium Giant Visit Website →

Carter's

SEO, Local SEO, Content Marketing

Retail

10K+ Employees

N/A

Atlanta, GA

N/A

Organic traffic +30%
Conversion rate +30%
SEO e-commerce sales +61% year over year
$25M in revenue driven by organic search
1,200+ store locations cleaned up and managed

American Song Archives

Content Marketing, SEO, Web Development

Museum & Cultural

N/A

Tulsa, OK

N/A

Bob Dylan Center site replatformed from Craft CMS to multisite WordPress
Both museum sites managed in a single CMS
Tessitura ticketing and membership integrated
Distinct brand experiences for the Bob Dylan Center and Woody Guthrie Center

Sauk County, Wisconsin

Branding, Web Design, SEO

Government

N/A

Baraboo, WI

N/A

Sales tax revenue +46%
$12.98M sales tax revenue in 2024 alone
$1.9B economic impact in 2023 alone
Gold MarCom Award for Tourism Website
Two audience-first websites for visitors and investors

Nextiny Visit Website →

Gaylord Specialty Healthcare

Web Design, SEO

Hospital

N/A

Total visits +14% YoY
Organic visits +10% YoY
Time on site +15.9% and events per session +7.42%

London Bay Homes (AEO)

GEO, SEO

Real Estate

N/A

AI brand visibility from 9.76% (late April) to 25.64% (July)
Gemini brand visibility reached 40%
Citation-with-brand-mention rate reached 5.5% vs. tracked competitors

FYZICAL Franchise

Lead Generation, Email Marketing, SEO

Physical Therapy

N/A

Deals +74% in one year
Deal cycle shortened by 52%
Site traffic +22%
Marketing email open rates +36%

JSL Marketing & Web Design Visit Website →

Vault Aviation

Web Design, SEO

Aerospace

N/A

Dallas, TX

N/A

Delivered Website Design, Digital Marketing and SEO

Clover Esthetics

SEO, Content Marketing, Branding

Med Spa

N/A

Frisco, TX

N/A

Delivered SEO, Content Writing, Brand Development and Website Design & Development

Therapeutic Alliance

Content Marketing, Web Design, SEO

Real Estate

N/A

New York, NY

N/A

Delivered Content Writing, Website Design and SEO

Genius PR Visit Website →

Panther Hollow Ventures

Content Marketing, SEO

Finance

N/A

New York, NY

N/A

28 earned media placements in six weeks
17 syndications from the debut announcement
Backlinks up 96%, from 401 to 784
419 referring websites

0G Labs

Content Marketing, SEO

Technology

N/A

San Francisco, CA

N/A

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

0G Labs

Content Marketing, SEO

Technology

N/A

San Francisco, CA

N/A

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

Click Intelligence Visit Website →

Timber Windows Direct

SEO

Home & Garden

1-10 Employees

N/A

Eversley, United Kingdom

N/A

Keywords in the top 3 up from 3 to 12 (June 2018 vs June 2019)
Keywords in the top 10 up from 5 to 37
Total ranking keywords up from 156 to 248
Organic traffic up from 124 to 602

ParkON

SEO, Link Building

Travel

1-10 Employees

N/A

Miami, FL

N/A

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)

Heart + Paw

SEO, Link Building

Veterinary

201-500 Employees

N/A

Berwyn, PA

N/A

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)

Pixite Visit Website →

Domcrete

SEO, Web Development

Construction

N/A

5x increase in traffic from SEO
71% increase in interaction rate
Bounce rate dropped from 75% to 33%
Custom WooCommerce rebuild preserved SEO gains

TG Psychology

Web Design, SEO, PPC

Mental Health

N/A

Penrith, Australia

N/A

Reduced cost per acquisition
Higher website engagement rates
Increased organic search traffic
New logo, brand identity and content strategy

Bell Partners Finance

Web Design, SEO, Lead Generation

Finance

N/A

Finalist in the 2024 Australian Web Industry Awards (Medium Business and Financial Services)
Location-specific SEO and a qualifying lead form
Reach expanded beyond referrals

Waypost Marketing Visit Website →

AIRSYS

SEO, Content Marketing

Industrial

1K-5K Employees

N/A

+340% total users and +283% new users
First-page Google keywords up from 15 to 39
+1,110 LinkedIn followers on the USA account (+46% YTD)

Leadec USA

PPC, SEO

Industrial

N/A

Conversions doubled from 185 to 379 with over 50% lower cost per conversion
Average CPC cut from nearly $24 to $1.69
~40% organic traffic growth in year one and +40.81% in year two

Garrett's Golf Cars

Local SEO, SEO, PPC

Automotive

N/A

22.62% visibility score vs 9.32% for the closest competitor
+88% total conversions
-27% cost per conversion
9 keywords in the top 3, including #1 for brand terms

Stream Companies Visit Website →

Baierl Chevrolet

SEO, Content Marketing

Automotive

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"

BMW of Manhattan

SEO, PPC

Automotive

51-200 Employees

N/A

New York, NY

N/A

Organic mobile traffic up from 57,339 (2017) to 104,186 (2019)
Call-only ads cost $129.67 less per click than standard expanded search ads

TrailersPlus

SEO, GEO, Content Marketing

Retail

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

SPCTEK Visit Website →

Surface Igniter (Private Label Launch)

SEO

Ecommerce

N/A

Sales from $0 to $10,000 in 4 months
Organic sessions +100%
Session-to-order rate +10%

Think Natural Now

SEO, PPC

Ecommerce

N/A

Revenue +32% month over month
Sales reached $115,652.61 in a month
Orders +31% month over month

Olympics Trading

SEO, PPC

Ecommerce

N/A

Revenue +70% month over month
Sales from $2,141 in December to $3,629 in January
Orders +41% month over month

Sagefrog Marketing Group Visit Website →

Nixon Medical

Branding, Web Design, SEO

Healthcare

N/A

+64% qualified leads
+30% revenue and +40% employee growth
Expanded from regional to national, into three new territories

Razor Technology

Content Marketing, Web Design, SEO

MSP

N/A

8:1 ROI based on six-digit deals
Marketing qualified leads doubled (quality leads +200%)
New contacts +132%
Time on site +167%

BAMCO

Branding, SEO, PPC

Manufacturing

N/A

Sales leads +111%
Website traffic +300%
Paid search CTR +36%
Ranking keywords +50% in two years
25% YoY growth, its largest ever

Adapting Social Visit Website →

Go Big Rock

SEO

N/A

Net revenue up over $1M within six months
Search ranking moved from page 8 to pages 1 and 2
Search visibility drove 56% of site traffic

Barn at the Meadows

SEO

Hospitality

N/A

Orrville, OH

N/A

Search engine traffic up 767%
Targeted keywords moved from page 9 to page 1 of search results

Tonya Coulliette Therapy

SEO, GEO, Lead Generation

Healthcare

N/A

Monticello, GA

N/A

Active users up 2,534% and total views up nearly 2,000% in a year
#1 for "12 traits of a narcissist" and top 3 for "adjustment disorder"
Google organic became the top traffic source at 51%
15% visibility score across ChatGPT, Perplexity and Gemini
53 form starts at a 2.97% conversion rate

Republic Marketing Visit Website →

Rove Legal

SEO, Content Marketing, CRO

Law Firm

1-10 Employees

N/A

London, United Kingdom

N/A

11K new monthly website visitors
960 new first-page keyword rankings (up from 19)
1,979 keywords ranking in total
195 keywords in the top 3 positions
80% increase in enquiries

Plume

SEO, PPC, Content Marketing

Software Development

1-10 Employees

N/A

Bristol, United Kingdom

N/A

1:12 return on ad spend (ROAS)
2X revenue growth over two years
+400% increase in relevant search visibility

Sure Oak Visit Website →

Milk Bar

SEO, eCommerce Optimization

Food & Beverage

201-500 Employees

N/A

New York, NY

N/A

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

Zenpack

SEO, Link Building

B2B

51-200 Employees

N/A

San Jose, CA

N/A

1122% increase in conversions
87% increase in organic sessions
1400% increase in top 3 ranking keywords

Merkle Visit Website →

Audi

Content Marketing, SEO, Social Media Ads

Automotive

10K+ Employees

N/A

Ingolstadt, Germany

N/A

1500 published Facebook posts
8000 published tweets
130% increase in Twitter followers
11% increase in Facebook followers
12% average engagement rate

General Assembly

Web Design, Web Development, SEO

Education

501-1K Employees

N/A

New York, NY

N/A

12.5% improvement in page load speed (Google Lighthouse)
3x improvement in visitor lead conversion rate
43% increase in paid search click-to-lead conversion rate
Up to 25% organic traffic outperformance of maximum projections

Ironpaper Visit Website →

PCS Software

SEO, Web Design

Logistics

51-200 Employees

N/A

Houston, TX

N/A

108 More Keywords Ranked by Google
155+ Google Position Change
17K More Visits Within Six Months

Ambi Robotics

Content Marketing, SEO

Robotics

11-50 Employees

N/A

Berkeley, CA

N/A

300M+ Press Reach Converted Into Demand Generation
1.27% Qualified Lead Conversion Rate (Organic Social)
#1 Search Result for "Robotic Put Wall"
72 New Qualified Leads Generated

Wingnut Social Visit Website →

MOOD Design + Build

SEO, Content Marketing, Social Media Ads

Home Services

1-10 Employees

N/A

Oak Park, IL

N/A

12x the search visibility of competitors in the first three months
Average Google search position improved by 27 spots
Organic search traffic +27%
Instagram impressions +20,400% and engagements +48,300%
Instagram followers more than doubled

Rob Bowen Design

SEO, GEO, Local SEO

Home Services

N/A

St. Petersburg, FL

N/A

Search visibility (organic impressions) +88% over 12 months
AI visibility +120%
15 new keywords ranking in Google
45K+ impressions on the new location pages
42.5% of all users came from organic search

Adams & Knight Visit Website →

Saybrook Point Resort & Marina (Website)

Web Design, SEO, Content Marketing

Hotel

51-200 Employees

N/A

Connecticut, United States

N/A

Website visits of 50K per quarter
SEO traffic +800%
70% of traffic organic from SEO and GEO
Average time on site 2m 55s (+5%)
Spa and elopement package interest and bookings up

CTvisit.com (Connecticut Tourism Website)

Web Design, Web Development, SEO

Travel

N/A

Connecticut, United States

N/A

Top 10 organically trafficked tourism website in the US
Site traffic exceeded 9 million visits within a year
Organic traffic +32%
Constituent business leads +25%
200+ landing pages and 750+ original stories

RT7 Digital Visit Website →

Royal Albert

Content Marketing, SEO

Retail

N/A

Miranda Kerr tea set rose from #21 to #2 in its seller ranking
Old Country Roses collection rose from #29 to #1 in its seller ranking
19 ASINs optimised with 19 A+ Content pieces

Freshly Fermented

PPC, Content Marketing, SEO

Food & Beverage

1-10 Employees

N/A

Fareham, United Kingdom

N/A

Sales up 89% in 3 months (November 2019 to February 2020)
ACoS cut from 36.1% to 24.2% in 2 months
Conversion rate of 3.50% by the third month

Lockedown SEO Visit Website →

Raptor Blasting Systems

SEO, Web Design

Manufacturing

1-10 Employees

N/A

Sacramento, CA

N/A

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

Saugatuck Rowing & Fitness Club

SEO, Local SEO, Web Design

Fitness

11-50 Employees

N/A

Westport, CT

N/A

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

Amplitude Digital Visit Website →

Hedley & Bennett

PPC, SEO, Social Media Ads

Fashion

51-200 Employees

N/A

Los Angeles, CA

N/A

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

WOLO Snacks

SEO, Content Marketing, Social Media Ads

Food & Beverage

N/A

Online launch supporting Whole Foods and major grocer distribution
Rapid sales growth through SEO and SEM
Channels: Amazon marketing, native ads, paid social, remarketing