Looking for an advertising agency in California to drive local brand awareness and sales? We’ve evaluated hundreds of agency profiles, customer reviews, and success stories to create this list of leading agencies. Explore our directory and narrow your search by hourly rate, minimum budget, team size, and other criteria.
Our Verified Agencies are Trusted by Top Brands:
Best California Advertising Company Rankings
8 Companies-Rankings updated: September 09, 2026
DesignRush vets all agencies based on professional qualifications and verified customer feedback to help you choose confidently. Some featured agencies maintain paid sponsorships.
Led by Nike's Former Global Director of Paid Media
Neon Growth is a Los Angeles-based ad agency led by Nike's former Global Director of Paid Media, serving Fortune brands like Walmart, Nike, and Equinox Fitness. Founded in 2020, the agency specializes in paid social, paid search, mobile ad networks, and conversion rate optimization across the customer...
Top Services:
Media Buying
Digital Marketing
eCommerce
Social Media Marketing
PPC
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Location
Los Angeles, California
Number of Employees
Under 49
Average Hourly Rate
$150/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
10 Projects Listed
Neon Growth Services
Media Buying
Digital Marketing
eCommerce
Social Media Marketing
PPC
Advertising
CRO
Creative Services
Email Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
FTD Flowers
Equinox
Soundboks
Blade
ProFlowers
Glitzy Girlz Boutique
Bucketlisters
Spinn
Crump & Co
Drip Hydration
Data sourced from the agency's DesignRush profile
Neon Growth Reviews & Testimonials
Tori Gerbig
Founder at Pink Lily
5.0★
Retail Advertising Review from Tori Gerbig
The team demonstrates a high level of skill and persistence in identifying problems and providing solutions.
With their proven track record, you can confidently rely on their performance and take a backseat.
Jacqui Sim
HR Manager at Vivero
5.0★
Marketing Strategy Review from Jacqui Sim
A highly professional company that takes the time to comprehend the requirements of its clients and strives to guarantee that the finished output satisfies those requirements.
William R Marchand
President at Webisoft
5.0★
App Marketing Review from William R Marchand
With Neongrowth we have exceeded their app download goals by 5x; our CPI rate is below the industry average as well. The team has impressed us with their ability to produce effective campaigns at a budget-friendly price. Also, the assigned campaign manager has been reliable.
Reviews verified by DesignRush and sourced from the agency's profile
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We are a mobile marketing agency. We help businesses grow using the full power of mobile devices and modern advertising technologies...
Top Services:
Digital Marketing
Advertising
Location
San Mateo, California
Number of Employees
50 - 99
Average Hourly Rate
$250/hr
Minimal Budget
$10,000 - $25,000
Mobio Group Services
Digital Marketing
Advertising
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Burger King
Jiffy
AliExpress
Herocraft
Data sourced from the agency's DesignRush profile
Mobio Group Reviews & Testimonials
Oleg Naumov
Co-founder & Marketing Director at Jiffy Grocery
5.0★
App Marketing Review from Oleg Naumov
We were looking for a company that could promote our delivery app. We had a really hard KPI and special target audience so we needed a professional agency for effective ad campaigns.
By the right targeting, messaging and catchy creatives the conversion increased and CAC decreased by 20%. As a result, the volume increased by ~ 700%.
We had a rather hard goal to achieve, and we were surprised how easily the Mobio team handled the task.
Sergey Devyatov
Digital Marketing Director at SberAuto
5.0★
App Marketing Review from Sergey Devyatov
We needed a company that could promote our mobile app. Our main goals were to acquire more relevant users for our app and find alternative sources for that instead of classic ones.
Mobio Team did a great campaign as a result of which we found our relevant audience and target with CPA close to KPI.
Sergey Alyautdinov
Mobile Marketing Manager at Dodo Brands
5.0★
App Marketing Review from Sergey Alyautdinov
One of the main tasks of promotion was to motivate and encourage users who installed the application, but used it only once or never at all, to place an order.
An advertising campaign with a multi-format showed good results: it was possible not only to achieve KPIs, but also to exceed them. CPO decreased by 51%, CR increased by 15%.
Mobio really does what they promise. They have a lot of experience in our industry, so everything they did was 100% right and well-planned.
Reviews verified by DesignRush and sourced from the agency's profile
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Your Trust is a Privilege. We Pledge to Earn it Everyday.
Four15 is a performance marketing growth firm of certified experts in Google Ads, Microsoft Bing, Facebook, and LinkedIn advertising. We help companies of all sizes analyze, optimize and scale their online marketing campaigns while maximizing their monthly return on investment. Our hands-on executives and...
Top Services:
Advertising
PPC
Location
Walnut Creek, California
Number of Employees
Under 49
Minimal Budget
$10,000 - $25,000
Portfolios Count
4 Projects Listed
Four15 Digital Services
Advertising
PPC
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Flexport
Harvard University
InterActiveCorp (IAC)
Qualia
Afterpay
Data sourced from the agency's DesignRush profile
Four15 Digital Reviews & Testimonials
Jonathan Kim
Review from Google
1.0★
Jonathan Kim's Review Sourced from Google
Avoid this company at all cost, I paid them and they did not deliver on any service, they took my money and just ghosted me , no refund would not recommend
Tam Doan
Review from Google
5.0★
Tam Doan's Review Sourced from Google
Four15 Digital is a great agency with high standards. The team is truly dedicated to cultivating growth for each of their clients.
Jenny Phu
Review from Google
5.0★
Jenny Phu's Review Sourced from Google
Four15 Digital are the experts in SEM and other paid media with clients of all sizes from all across the country. If you want the crème de la crème in paid search expertise, this is where to go.
Reviews verified by DesignRush and sourced from the agency's profile
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We are a woman-owned and BIPOC-led marketing firm. We represent leading health, wellness, and sustainability influencers, podcasts, media, and companies at Well Spirit Collective. Our objective is to improve people's lives and promote wellbeing. To ensure the success of your business, we keep on the cutting...
Top Services:
Digital Marketing
Public Relations
Advertising
Web Design
SEO
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Location
Los Angeles, California
Number of Employees
Under 49
Minimal Budget
$10,000 - $25,000
Well Spirit Collective Services
Digital Marketing
Public Relations
Advertising
Web Design
SEO
Social Media Marketing
Email Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Moving People to Action Through Emotional Connections and Benefits.
Seed Factory is a creative agency with offices in Atlanta and Orange Co, CA. By working across creative content, branding and PR tactics, they can create holistic marketing strategies for business growth, allowing brands to move people through emotional benefits...
Top Services:
Creative Services
Branding
Video Production
Graphic Design
Advertising
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Location
Irvine, California
Number of Employees
Under 49
Average Hourly Rate
$175/hr
Minimal Budget
$10,000 - $25,000
SEED FACTORY Services
Creative Services
Branding
Video Production
Graphic Design
Advertising
Web Design
Public Relations
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Jadi is a strategic brand agency built for science-forward consumer brands health, wellness, beauty, nutrition, and technology. We translate product truth, ingredient science, and real innovation into stories that build belief and systems that scale it.
Strategy. Story. Systems. Scale...
Top Services:
Branding
Digital Strategy
Content Marketing
Video Production
Advertising
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Location
Laguna Beach, California
Number of Employees
Under 49
Average Hourly Rate
$100/hr
Minimal Budget
$10,000 - $25,000
Jadi Communications, Inc. Services
Branding
Digital Strategy
Content Marketing
Video Production
Advertising
Social Media Marketing
Web Design
Creative Services
Design Services
Media Buying
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Demonstrate is a culture-forward branding and strategic marketing communications agency that believes in the power of brand actions to build meaningful relationships and drive business growth. With bespoke strategies and impactful storytelling, the agency elevates the client's online presence, yielding...
Top Services:
Advertising
Public Relations
Digital Marketing
Package Design
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Location
San Francisco, California
Number of Employees
Under 49
Average Hourly Rate
$149/hr
Minimal Budget
$10,000 - $25,000
Demonstrate Services
Advertising
Public Relations
Digital Marketing
Package Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
My Fitness Pa
The Caviar Co.
Crystal Geyser Alpine Spring Water
Data sourced from the agency's DesignRush profile
Demonstrate Reviews & Testimonials
Zachary Barker
Review from Google
5.0★
Zachary Barker's Review Sourced from Google
Reset the bar for me personally in terms of my perspective on agency life. Work-life balance is paramount at Demonstrate, which is a key contributor to its staff's level of professionalism & creativity, and ultimately to the success of its clients. 10/10 recommend anyone considering a role at Demonstrate or to prospective new clients looking for comms, marketing and/or branding support to give this organization a shot!
Renee Brodeur
Review from Google
5.0★
Renee Brodeur's Review Sourced from Google
Joey and the team at Demonstrate are fantastic and always top notch. Not only is their output always excellent, the entire team is professional, courteous and a pleasure to work with. Highly recommend.
Reviews verified by DesignRush and sourced from the agency's profile
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iCode49 Technolabs stands out as a premier provider specializing in the meticulous development of cutting-edge iOS and Android mobile applications uniquely crafted for both startups and global brands. Our expertise lies in driving innovation within the ever-evolving mobile landscape, where we leverage our...
Top Services:
Mobile App Development
Software Development
Web Development
WordPress Website Design
eCommerce Development
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Location
Los Angeles, California
Number of Employees
Under 49
Average Hourly Rate
$20/hr
Minimal Budget
$10,000 - $25,000
iCode49 Technolabs Services
Mobile App Development
Software Development
Web Development
WordPress Website Design
eCommerce Development
VR/AR
Digital Marketing
SEO
Social Media Marketing
Advertising
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts