Best Web Development Agencies in California (2026) – Ranked by Case Studies
MediKeeper Client-verified
Web Design, Web Development, SEO
SaaS
11-50 Employees
N/A
San Diego, CA
N/A- 16% increase in users
- 20% increase in % of new users
- 9% increase in # of sessions
- 26% increase in organic search traffic
Web Design, Web DevelopmentMedical Device51-200 EmployeesN/ACarlsbad, CAN/A- 48% increase in users
- 52.02% increase in sessions
- 79.99% increase in pageviews
- 18.40% increase in pages per session
- 32.66% increase in avg. session duration
Web Design, Web Development, SEOTechnology51-200 EmployeesN/ASan Diego, CAN/A- 116.85% increase in users
- 111.25% increase in sessions
- 56.62% increase in page views
- 85.48% increase in avg. session duration
- 15.32% increase in organic search
The Thermal Club Client-verified
Web DevelopmentHospitality11-50 EmployeesN/AThermal, CAN/A- 28% improvement in guest accuracy
- 22% operational efficiency gain
SEO, Web DevelopmentAutomotiveN/AN/AAnaheim, CAN/A- 64% increase in conversion rate
- 83% increase in user engagement
Sunshine Supply Client-verified
Web Development, SEO, PPCWholesale Distribution11-50 EmployeesN/ASan Diego, CAN/A- 46% traffic increase
- Average search positions reduced by 30%
SEO, Web DevelopmentIndustrial501-1K EmployeesN/AWest Hills, CAN/A- 20.29% Increase in Organic Traffic
- 10.66% Increase in New Organic Users
- 42.31% Increase in And Organic Request Quote Submissions Have
Web Design, Web DevelopmentGifts1-10 EmployeesN/APalm Springs, CAN/A- 1,800 Organic Sessions
- 1,061% Increase in Number of New Organic Users
Web Design, Web DevelopmentSporting GoodsN/AN/ALos Angeles, CAN/A- $25,000 in Organic Revenue
- 178% Increase in Organic Revenue
Web Design, Web DevelopmentHealthcareN/AN/AFresno, CAN/A- Page Builder Templates, Sections and Widgets
- Find a Doctor search and filtering
- Robust yet easy to use navigation
Web Design, Web DevelopmentBankN/AN/AFremont, CAN/A- Flexible widget-based templates
- Interactive locations map
- Leaving site notice
Web Design, Web DevelopmentTechnologyN/AN/ASan Diego, CAN/A- Flexible widget templates
- Structured content within widgets
- Custom GTM tracking implementation
Web DevelopmentRestaurantN/AN/ASan Jose, CAN/A- AA-level ADA compliant WordPress site
- Store locator, job postings and franchise self-qualification
Web Design, Web DevelopmentManufacturingN/AN/AGlendora, CAN/A- Custom WordPress site with 9 capability pages and a video loop hero
- On-location photo and video shoot at the Glendora facility
- 70+ years in business
Social Media Ads, Web DevelopmentGovernmentN/AN/AMoorpark, CAN/A- +75.83% improvement in cost per engagement
- +11.34% improvement in CPM
- Average CTR about 33% above industry benchmark
- English and Spanish targeting
Web Development, Web DesignEntertainment51-200 EmployeesN/ABurbank, CAN/A- 6% Increase in organic growth
- 100% Increase in pages visited
- 40% Increase in keywords ranked
Web Development, Web DesignEducation11-50 EmployeesN/ALos Angeles, CAN/A- +438% Organic Traffic Growth
- 96 Google Page Speed Performance
- +279% Backlink Growth
Web Development, Web DesignEcommerce11-50 EmployeesN/ASausalito, CAN/A- 6 Page Views Per User
- 4,000 New Users In First Month
- 67% Month Over Month Growth
Web Development, SEOHome ServicesN/AN/ACalifornia, United StatesN/A- Tracked leads per day up 88% in the first two weeks
- Phone calls per day up 112% vs. pre-launch
- Google Business Profile leads per day up 7x and organic clicks up 2.6x
Web Development, SEOHome ServicesN/AN/ACamarillo, CAN/A- Sessions up 177% year over year and Search Console clicks up 33%
- Google Business Profile impressions up 82% since cutover
- Website-attributed sales up 818% ($29,704 to $272,569) from May to July
- Net margins grew from 10% to 25% after turning paid ads off
Web Design, Web DevelopmentHome ServicesN/AN/AEncinitas, CAN/A- Mobile Lighthouse performance up from 65 to 87
- Largest Contentful Paint cut from 8.5s to 3.8s
Web Design, Web DevelopmentGovernmentN/AN/ASacramento, CAN/A- 48% increase in average organic search traffic
- 20% improvement in page load speed
- Content restructured around audience journeys
Web Design, Web DevelopmentManufacturingN/AN/ASacramento, CAN/A- Modern site and rebuilt navigation for lighting control products
Web Development, CROConsumer Goods11-50 EmployeesN/ABeverly Hills, CAN/A- Conversion rate up 100% in the first month vs. the prior month
- 14% year-over-year lift in eCommerce conversion over the first four months
- 12% more unique purchases and 13% more orders year over year
Web Development, Web DesignBank51-200 EmployeesN/ALos Angeles, CAN/A- 330+ font declarations consolidated
- 172+ color declarations consolidated
- 32 components fixed and updated
Web Design, Web DevelopmentHealthcare201-500 EmployeesN/ASanta Barbara, CAN/A- 56.43% More Engagement
- 23.6k new users
- 308% More Impressions
Web Development, Platform Implementation, AIGaming10K+ EmployeesN/ASan Mateo, CAN/A- 89 countries with active platform presence
- 10 languages supported
- Over 17 games launched
SEO, Web Design, Web DevelopmentLaw Firm11-50 EmployeesN/ALos Angeles, CAN/A- 114% Website Traffic Increase
- 96% Increase in Leads
- 3,606 Keyword Rankings (up from 1,908)
- 50% Organic Traffic Increase
- 56% Increase in Organic Goal Conversions
Web Development, Web Design, SEOHealthcareN/AN/ALos Angeles, CAN/A- 177% organic traffic increase
- 1,000,000 search impressions
- 20% improved member satisfaction
Web Development, Web DesignManufacturingN/AN/AGold River, CAN/A- Online sales increased considerably over three years of work together
- Custom WordPress redesign sped up pages and reduced database load
- Simplified navigation and larger product imagery improved user experience
Local SEO, Web Development, SEODentalN/AN/ABurbank, CAN/A- Organic listings grew from 100 to 5,000+ per month in 5 months
- 100+ backlinks earned in under a year
- 100% increase in revenue
Web Design, Web Development, SEOEntertainmentN/AN/AWoodland Hills, CAN/A- Entire portfolio unified under one domain
- Redesigned navigation, search and filtering
- Site restructured for SEO across 50+ locations and multiple brands
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
Web DevelopmentRetail10K+ EmployeesN/ABurbank, CAN/A- Sold out 999 $200 box subscriptions in under 30 minutes
- 300K+ views of the Ghost Post YouTube video
SEO, Content Marketing, CRO, Public Relations, Web DevelopmentManufacturing201-500 EmployeesN/ASolana Beach, CAN/A- 25.18% YoY Increase in New Users
- 172.92% Increase in Leads/Conversions
Web Design, Web Development, BrandingAgricultureN/AN/ADucor, CAN/A- 247 new users and 202 organic search sessions in the first 90 days
- 659 total events at 4.95 events per session
Web DevelopmentHealthcareN/AN/ALos Angeles, CAN/A- Massage therapist directory with Stripe subscriptions, custom moderation and geo-filtering
- Full-stack marketplace built and hosted by Uwindi
Web Design, Web DevelopmentEducationN/AN/ALos Angeles, CAN/A- Official global web portal
- Supports iOS and Android children's educational apps
Web DevelopmentFitnessN/AN/ASan Rafael, CAN/A- The Ready State, a leading health and fitness platform focused on mobility, strength, and education, partnered with CB/I Digital to deliver an enhanced mobile app experience.
Find the best Web Development agencies in your state or region
- California
- New York
Find the best Web Development agencies for your business size