Best SEO Agencies in Illinois (2026) – Ranked by Case Studies

Straight North Visit Website →

DFIN Client-verified

PPC, SEO

Finance

1K-5K Employees

N/A

Chicago, IL

N/A

50 Million Impressions
300% Increase in conversions

Kelair Dampers Client-verified

GEO, SEO, Web Design

Manufacturing

11-50 Employees

N/A

Bellwood, IL

N/A

+141% Increase in leads

Go Fan Yourself

SEO

Ecommerce

11-50 Employees

N/A

Schaumburg, IL

N/A

189% Increase in leads

Proceed Innovative Visit Website →

Mid-West Moving & Storage Client-verified

Web Design, SEO, Local SEO

Moving

N/A

Elk Grove Village, IL

N/A

Brand-new mobile-friendly website
Improved keyword rankings, organic traffic and conversions since 2018

Ready Access

Web Design, SEO

Manufacturing

N/A

Chicago, IL

N/A

Redesign with order and quote forms on each product page
Mobile-responsive site for a drive-thru window manufacturer

Motionpost

SEO, Web Design

Media & Broadcasting

N/A

Chicago, IL

N/A

New responsive site with drop-down navigation and embedded videos
Pages optimized for search

ArsevMedia Visit Website →

Illinois Roofing Institute Client-verified

SEO, Local SEO

Education

N/A

Hoffman Estates, IL

N/A

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"

Global Exterior Experts

SEO, Local SEO

Home Services

N/A

Aurora, IL

N/A

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"

TripleDart Digital Visit Website →

Atlas HXM Client-verified

PPC, SEO, Lead Generation

Professional Services

1K-5K Employees

N/A

Chicago, IL

N/A

4x deal volume and 3x deal quality in 7 months
Conversion rate +34%
Cost per opportunity down 27%
MQL-to-opportunity rate from 41% to 55%
Google Ads pipeline delivered ~5.5x ROI on spend

Kuno Creative Visit Website →

iCONN Systems Client-verified

SEO, Content Marketing

Manufacturing

11-50 Employees

N/A

Lombard, IL

N/A

Top-10 keywords +482% in 24 months (27 to 157)
Organic traffic +327% (802 to 3,428)
New organic contacts +61% (75 to 121)
Featured snippets from 1 to 8; People Also Ask from 0 to 73 keywords
Visibility index +302% (3.7% to 14.9%)

New Perspective Marketing Visit Website →

Killerspin Client-verified

Web Development, SEO, PPC

Sporting Goods

11-50 Employees

N/A

Chicago, IL

N/A

Replatformed the store to Magento linked to warehouse operations
Sales tracking live from day 1
Distribution in 14 countries across 5 continents

Outpace SEO Visit Website →

Joe & Bella Client-verified

SEO

Fashion

1-10 Employees

N/A

Northbrook, IL

N/A

507% increase in page one keywords
328% increase in top-3 keyword rankings
14,731 keyword position improvements

NP Digital Visit Website →

Hickory Farms

SEO

Food & Beverage

501-1K Employees

N/A

Chicago, IL

N/A

283% increase in organic search impressions
211% increase in organic search traffic YoY
2,826 new page 1 rankings for non-brand keywords

Cityscape Counseling

SEO

Mental Health

51-200 Employees

N/A

Chicago, IL

N/A

22% increase in organic clicks
63% increase in organic impressions
Keywords in positions 1-3 grew from 30 to 55

NCSA College Recruiting

Content Marketing, SEO

Education

501-1K Employees

N/A

Chicago, IL

N/A

20% increase in total organic search traffic YoY
52% increase in organic clicks to the blog YoY
47% increase in organic search lead volume YoY

Cardinal Digital Marketing Visit Website →

VitalSkin Dermatology

SEO, Web Design

Dermatology

51-200 Employees

N/A

Urbana, IL

N/A

309% Increase in Patient Leads
171% Increase in Organic Traffic
51% Increase in Organic Conversion Rate

Geode Health

SEO, PPC

Mental Health

201-500 Employees

N/A

Oak Brook, IL

N/A

435% Increase in Lead Volume
120% Increase in Total Bookings
97% Increase in Top 10 Keyword Rankings
208% Increase in Organic Traffic

ATI Physical Therapy

PPC, SEO

Physical Therapy

5K-10K Employees

N/A

Downers Grove, IL

N/A

54% Decrease in Cost Per Lead
77% Increase in Conversion Rate
80% of New Patients Without Physician Referral

RivalMind Visit Website →

Bracing Systems, Inc.

SEO, Web Design

Construction

N/A

Chicago, IL

N/A

3X growth in ecommerce sales
Products previously invisible on Google now found

Wehrli Furniture Company

SEO, Web Design

Furniture

N/A

Naperville, IL

N/A

Strong revenue impact from SEO through new customer acquisition

Newhaven Display

SEO, GEO, PPC

Manufacturing

11-50 Employees

N/A

Elgin, IL

N/A

131% increase in organic purchases YoY
10x growth in keywords triggering AI Overviews
45% increase in web order value YoY
Record-breaking revenue month

Coalition Technologies Visit Website →

Arrowsmith Shoes

SEO

Fashion

11-50 Employees

N/A

Skokie, IL

N/A

45% Increase in Transactions Have
42% Increase in Revenue Has

LP Adjustable Beds

SEO

Furniture

N/A

Chicago, IL

N/A

12.26% Increase in Traffic for This Adjustable Bed Company

Pompeii3

Email Marketing, SEO

Jewelry

N/A

Vernon Hills, IL

N/A

116% Increase
40% Increase in Organic Revenue
193% Increase in Conversion Rates YOY on Automations
53% Increase in Click-through Rates
110% Increase in Revenue From Automations

Jumpfactor - MSP Marketing Visit Website →

Outsource Solutions Group

SEO, Lead Generation, Web Design

MSP

11-50 Employees

N/A

Naperville, IL

N/A

$492K in closed revenue
65% of inbound leads were true managed services opportunities
2,800x increase in web visibility
Replaced two underperforming agencies

XL.net

SEO, Lead Generation, Web Design

MSP

11-50 Employees

N/A

Park Ridge, IL

N/A

$5.5M in lifetime revenue
$92K+ in MRR
10-12+ high-intent leads per month

Single Grain Visit Website →

LS Building Products

SEO, AEO, Technical SEO

Construction

51-200 Employees

N/A

East Peoria, IL

N/A

67% Increase in Organic Traffic
1,400 New Organic Keywords
540% Increase in Google AI Overview Mentions
400% Growth in Organic Traffic Value

LS Building Products

SEO, AEO, Content Marketing

Construction

51-200 Employees

N/A

East Peoria, IL

N/A

400+ New AI Citations in 12 Months
174 More Mentions on Google AI Overviews
113 More Mentions on ChatGPT
6.7K Increase in Organic Traffic Worth $220,000

NoGood Visit Website →

SteelSeries

PPC, CRO, SEO

Retail

201-500 Employees

N/A

Chicago, IL

N/A

49% Decrease in Paid CAC
60% Increase in Google Paid Search Net Sales
25% Increase in Site-Wide Net Sales Through PMax Campaigns

SteelSeries

AEO, CRO, SEO, Email Marketing, SMS Marketing

Retail

201-500 Employees

N/A

Chicago, IL

N/A

20% YoY Net Revenue Growth
25% YoY Improvement in Purchase CVR
331% QoQ Lift in Engine Activations

Tavano Team Visit Website →

Lure Parts Online

SEO

Wholesale Distribution

1-10 Employees

N/A

Springfield, IL

N/A

47:1 ROI on the SEO program
31% increase in organic traffic
27% increase in search results clicks

Oneupweb Visit Website →

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"

Hivehouse Digital Visit Website →

A&A Paving

Content Marketing, SEO, Email Marketing

Construction

11-50 Employees

N/A

Roselle, IL

N/A

64% increase in website traffic and 71% increase in organic traffic
90% increase in email sessions, with a 24% open rate and 1,170 influenced contacts
Social media: 564% increase in clicks and 171% increase in sessions to the site
HOA email campaign converted at 17%
A single email generated 3 new paving projects