Best CRO Agencies (2026) – Ranked by Case Studies
Programmatic Advertising, Data & Analytics, CRO
Finance
51-200 Employees
N/A
Augusta, GA
N/A- 32% overall decrease in account-wide CPA over managed media lifetime
- 11% improvement in Prospecting CPA over managed media lifetime
- 8% improvement in Retargeting CPA over managed media lifetime
Programmatic Advertising, Media Mix Modeling, CROInsurance10K+ EmployeesN/ANew York, NYN/A- +7% increase in brand awareness
- +10% increase in qualified leads
- -15% cost per lead
Content Marketing, SEO, CROTelecom501-1K EmployeesN/ASunnyvale, CAN/A- 50.8% increase in YoY traffic
- 181% more inbound links
- 43% of content readers convert more often
- 7% decrease in news & blog bounce rates
CRO, PPC, SEOAuto Repair1-10 EmployeesN/AMesa, AZN/A- 204% Increase in Desktop Form Submissions
- 95% Overall Increase in Form Submissions
- 69% Increase in Mobile Form Submissions
Content Marketing, CRO, Web Design, SEO, Web DevelopmentFinance51-200 EmployeesN/ATampa, FLN/A- 8K PPC Conversions in 1 Year
- 536% Increase in time on-site
- 4,709 Keywords ranking on Google
PPC, CROServicesN/AN/AN/AN/A- 200% increase in conversions within 2.5 months
- 40% reduction in cost per lead
Web Design, Web Development, CROInsuranceN/AN/AN/AN/A- 55% faster website load times
- 48% increase in conversions
CROAutomotiveN/AN/AN/AN/A- 33% increase in form submissions
- Check Availability call-to-action added
CRO, Lead GenerationEcommerceN/AN/AN/AN/A- 6X ROAS
- Abandoned carts recovered through CRO and nurture campaigns
Email Marketing, CROMediaN/AN/ACleveland, OHN/A- 90%+ of season renewals completed online
- 45%+ engagement rate
- 30%+ increase in attendance
- 25%+ sales performance gain
Web Design, Web Development, CROManufacturingN/AN/AGrand Rapids, MIN/A- Whitepaper downloads up 106.1%
- Quote requests up 66.7% after adding a Request a Quote form
- Total users up 8.4% and organic traffic up 7.7%
- Engagement rate above 50%
CRO, Lead GenerationSaaSN/AN/AAtlanta, GAN/A- 42% lift in sitewide conversion rate in four months
- About 90 net-new monthly leads
- No disruption to SEO performance
SEO, Local SEO, CROHome ServicesN/AN/ACorinth, TXN/A- #1 position for Dallas roofing contractor searches
- 30+ DFW service area pages ranking
- 8 service category pages ranking
PPC, CRO, Lead GenerationHospitalityN/AN/ASylacauga, ALN/A- +560% annual increase in wedding venue proposal requests
- +112% website traffic
- Year-over-year revenue increase
- Google Ads across Display, YouTube and Search
PPC, Web Design, CROFitnessN/AN/AHouston, TXN/A- 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+
PPC, SEO, CROHome ServicesN/AN/APortland, ORN/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%)
Social Media Ads, CROFashionN/AN/ANew York, NYN/A- 1,140% ROAS during Black Friday/Cyber Monday
- 300% ROAS from new customer campaigns
- 462% ROAS from gifting campaign
- Expanded into Canada and the UK
Local SEO, Web Development, CROReal EstateN/AN/ADallas, TXN/A- Occupancy rate 65% → 95%
- Monthly organic traffic 303 → 14,499
- Keyword rankings 242 → 5,549
Web Design, Web Development, CROAIN/AN/ASan Francisco, CAN/A- 62% increase in demo requests
- 61% more sales qualified leads
- 98/100 Google PageSpeed score
- Landing pages built 3x faster
Email Marketing, CROBeautyN/AN/ARichmond Hill, CanadaN/A- 66.7% higher email submit rate in US pop-up test
- 105.3% higher email submit rate in Canada
- 2.17x pop-up-attributed revenue
PPC, Web Design, CROEducationN/AN/AHollywood, FLN/A- 15% decrease in CPC
- 62% increase in conversions
- 24% more efficient CPA
- Lowest cost per lead in account history within 90 days
CRO, Local SEOAutomotive51-200 EmployeesN/ACerritos, CAN/A- Average session duration up 11.11% year over year after adding a Sell/Trade nav button
- 2.65K+ Google Business Profile views from the Sell/Trade call-to-action
CRO, PPC, Social Media AdsHealthcareN/AN/AN/AN/A- Performance marketing for a female-focused birth control app
- Landing pages with conversion rate optimization
- Facebook, Instagram and Google ads
- Photo enhancements
Web Design, PPC, CROManufacturingN/AN/AN/AN/A- 102 leads in 28 days
- Website traffic +32%
- Traffic conversion rate 18%
- Organic traffic +54%
PPC, SEO, CROReal EstateN/AN/AN/AN/A- 1.36% higher conversion rate
- 7+ years of digital marketing partnership
- Monthly Google Ads strategy, management and insights
- Heatmapping and technical UX/SEO audits
PPC, CROWellnessN/AN/AN/AN/A- Conversion rate 5x
- Cost per lead -50%
- Monthly booked revenue +50%
- Faster inquiry-to-booking timeline
Web Design, CROHotelN/AN/AN/AN/A- Gift card sales +45%
- Repeat business +25% over the following year
- Gift card journey now captures buyer and recipient details
SEO, Content Marketing, CROAddiction TreatmentN/AN/AN/AN/A- +415% organic traffic YoY
- +177% channel conversion rate
- -51.4% page load time (nearly 14s to 4.5s)
PPC, CRO, Lead GenerationNon ProfitN/AN/AN/AN/A- 1,104 new contacts from paid ads in four months
- 9.71% landing page form conversion rate
- 37.51% nurture email open rate and 31.43% click-through rate
- Q2 client satisfaction score of 9.5/10
Lead Generation, Email Marketing, CROEducationN/AN/AN/AN/A- Close rate 22% to 30% (+36%)
- Meeting conversion 42.09% to 61.51%
- Pipeline $3.53M to $3.85M and revenue $2.375M to $2.468M
- Results in 2 months with automated booking and SMS/email nurture
PPC, CROEducationN/AN/AN/AN/A- 10x increase in new accounts (383 vs 42)
- 4x increase in free trial conversions
- 50% lower CPC with 6x more clicks
- 32% reduction in trial acquisition cost
PPC, Social Media Ads, CROHospitalityN/AN/AN/AN/A- 74% above industry-average conversion rate
- 6% conversion rate
- 3x ROAS
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