Best SEO Agencies for Large Business (2026) – Ranked by Case Studies

UFO Performance Marketing Visit Website →

Lindner Center of HOPE

PPC, SEO

Healthcare

201-500 Employees

N/A

Mason, OH

N/A

1,200% increase in SEO traffic to a key site section
+42% increase in sitewide SEO traffic
+400% increase in information requests from key site sections

Fecon

SEO, PPC, Web Design

Manufacturing

201-500 Employees

N/A

Lebanon, OH

N/A

280% increase in website leads
66% drop in PPC costs in month 1
110% increase in SEO traffic

IQnection Visit Website →

Doosan Robotics

SEO, GEO

Manufacturing

201-500 Employees

N/A

Suwon, South Korea

N/A

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

Roosevelt Paper Company

SEO, Email Marketing, Content Marketing

Industrial

201-500 Employees

N/A

Mount Laurel, NJ

N/A

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

Rotate Digital Visit Website →

Meathead Movers

SEO, Local SEO

Moving

201-500 Employees

N/A

San Luis Obispo, CA

N/A

Site-wide organic traffic nearly doubled, up 90% from about 30K to 57K sessions
Total phone call events up 122% to 8,857
Westlake Village sessions up 353% and key events up 985%
Temecula organic sessions up 133% and conversions up 196%
Oxnard/Camarillo organic sessions up 94% and conversions up 149%

Nor-Cal Moving Services

SEO, Local SEO

Moving

201-500 Employees

N/A

Hayward, CA

N/A

"Mover Bay Area" climbed 78 positions to rank #18, with no ad spend
"Sunnyvale moving companies" up 65 positions to #12
"Moving in San Francisco" up 73 positions to #20
"Moving companies San Jose" up 29 positions to #8
"San Francisco movers" up 56 positions to #17

Avalaunch Media Visit Website →

Calabrio

SEO, Content Marketing

SaaS

501-1K Employees

N/A

Minneapolis, MN

N/A

1,500 new ranking keywords
100+ new keywords in positions 4-10
50+ new keywords in positions 1-3

Whitefish Credit Union

SEO, Email Marketing, PPC

Bank

201-500 Employees

N/A

Whitefish, MT

N/A

74.32% increase in organic traffic YoY
145% increase in paid media CTR
55%+ view rate on video ads
40% increase in loan applications YoY

First Page Digital Singapore Visit Website →

Gain City

SEO

Retail

501-1K Employees

N/A

Singapore

N/A

72% increase in page 1 keywords
220% increase in purchases YoY
41% increase in clicks period on period

CIMB Singapore

SEO

Bank

501-1K Employees

N/A

Singapore

N/A

106 keywords ranked top 3 on Google
195% organic impressions growth
68% organic clicks growth

SEO Brand Visit Website →

MOO

SEO, GEO

Printing

201-500 Employees

N/A

London, United Kingdom

N/A

1,500%+ increase in monthly ChatGPT citations
44% increase in Gemini visibility
3,000%+ increase in total monthly AI impressions
600+ pages cited by AI models

Infinity Insurance Agency

SEO, GEO, Local SEO

Insurance

501-1K Employees

N/A

Birmingham, AL

N/A

4,600%+ increase in monthly organic traffic
671%+ increase in new organic keywords ranked
474% increase in AI Overview citations

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

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)

SEO Inc Visit Website →

Boats.com

SEO, Technical SEO

Ecommerce

201-500 Employees

N/A

Miami, FL

N/A

Top 10 Rankings for 4 Major Keywords, Boat Loans, Insurance, Warranty, and Shipping
Maintained #1 Ranking for 'Boats'

IGN

SEO, Technical SEO, Content Marketing

Entertainment

501-1K Employees

N/A

San Francisco, CA

N/A

1500% Increase in Organic Search Traffic
Unique Visitors Doubled in 2 Months
Acquired by News Corp for $650M

Power Digital Visit Website →

Casper

SEO, Content Marketing, Public Relations

Retail

501-1K Employees

N/A

New York, NY

N/A

188% YoY Increase in Organic Traffic
$100M+ Sales Over 2 Years Supported by SEO

NAPS International

SEO, Content Marketing, CRO, Public Relations, Web Development

Manufacturing

201-500 Employees

N/A

Solana Beach, CA

N/A

25.18% YoY Increase in New Users
172.92% Increase in Leads/Conversions

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)

Red Door Interactive Visit Website →

Thermador

SEO, Content Marketing

Consumer Goods

201-500 Employees

N/A

Irvine, CA

N/A

259% year-over-year growth in refrigeration category entries
82% increase in non-branded refrigeration keyword rankings
251% growth in Page 1 rankings for high-intent queries

InteractOne Visit Website →

Hydraulic Supply Company

PPC, SEO, Email Marketing

Industrial

201-500 Employees

N/A

Sunrise, FL

N/A

41% year-over-year revenue growth
New website users doubled
66% increase in organic sessions

Fratzke Visit Website →

Service Partners

Web Design, SEO, Lead Generation

Construction

501-1K Employees

N/A

Daytona Beach, FL

N/A

4x return on investment
New users up 191%
Organic sessions up 39%

KME.digital Visit Website →

Management Concepts

PPC, SEO

Education

201-500 Employees

N/A

Vienna, VA

N/A

Bing Ads clicks +124% (2022 vs. 2021)
Bing Ads revenue +96.5% and transactions +80.5%
Bing Ads viewable impressions +222%

SIXGUN Visit Website →

Infotrust

SEO

Cyber Security

201-500 Employees

N/A

Sydney, Australia

N/A

+111% organic sessions
+436% organic key events
+1,601 ranking improvements across tracked keywords

LinkDoctor Visit Website →

Eightfold

SEO

SaaS

501-1K Employees

N/A

Santa Clara, CA

N/A

365% increase in organic keywords
927% increase in organic traffic
Domain Rating from 68 to 73

SeoProfy Visit Website →

Ibis Gear

SEO

Sporting Goods

201-500 Employees

N/A

Kyiv, Ukraine

N/A

65% organic traffic growth in 12 months
Traffic fully recovered 2 months after a 1M+ page migration
69% increase in top-3 rankings

Wisoft Solutions Visit Website →

Sugee Group

SEO, Local SEO

Real Estate

201-500 Employees

N/A

Mumbai, India

N/A

800% increase in target keywords in positions 1-5
34% increase in organic traffic
94% increase in AI search citations
29% increase in GMB direction requests

Grovention Visit Website →

Dr. Morepen

SEO

Healthcare

201-500 Employees

N/A

New Delhi, India

N/A

2X increase in organic traffic in 3 months
52% increase in transactions from organic
38% quarterly organic revenue increase
25% quarterly increase in new organic users

LOCALiQ Visit Website →

Georgia Department of Community Affairs

Social Media Ads, Email Marketing, SEO

Real Estate

201-500 Employees

N/A

Atlanta, GA

N/A

4x higher Social Ad CTR than industry average
250% higher nurture email CTR than industry average
79% increase in organic leads

Portent Visit Website →

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

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

Searchbloom Visit Website →

The Perfect Sleep Chair

SEO

Furniture

201-500 Employees

N/A

Richmond, VA

N/A

1791% increase in total ranking keywords
608% increase in first page rankings
291% increase in top 3 rankings
1100% increase in referring domains

Merkle Visit Website →

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

iProspect Visit Website →

Dubai Properties

SEO, Technical SEO, Local SEO

Real Estate

201-500 Employees

N/A

Dubai, United Arab Emirates

N/A

+30% Domain Visibility / Impressions
+32% Organic Traffic
+35% Property Bookings

97th Floor Visit Website →

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

Page One Power Visit Website →

Atera

SEO, Content Marketing

SaaS

201-500 Employees

N/A

Tel Aviv, Israel

N/A

306% Increase in Organic Sessions
285% Increase in New Monthly Users
Definitional Keyword Moved From 100+ to #2

KlientBoost Visit Website →

Pushpay

PPC, SEO, CRO

Fintech

501-1K Employees

N/A

Redmond, WA

N/A

6% Decrease in CPA
8% Increase in Conversion Rate
60% Increase in Traffic
23% Increase in Conversions

Lounge Lizard Visit Website →

Agilant Solutions

Branding, Web Development, Web Design, SEO

Manufacturing

201-500 Employees

N/A

Port Washington, NY

N/A

98% Increase in backlinks
528 Keywords ranked on Google
925 Backlinks created

Thrive Internet Marketing Agency Visit Website →

Restoration 1

SEO, PPC, Web Design, Reputation Management

Restoration

201-500 Employees

N/A

Dallas, TX

N/A

+452% Conversions
+89,422 Leads
-41% Bounce Rate
+21% Organic Traffic