Best California Startup App Development Companies

355 Companies - Rankings updated: July 07, 2026

DesignRush evaluates each agency using expert assessment and client feedback to inform your choices. Some featured agencies have paid placements.

United States × California ×

Tentackles
Your strategic partners in data-driven, user-inspired, & future-ready digital innovations.
Your strategic partners in data-driven, user-inspired, & future-ready digital innovations.
Tentackles is a premier UI/UX design agency, serving global clients since 2018. We specialize in innovative and user-centric digital solutions that captivate audiences and drive conversions. Our expert team crafts visually engaging and seamless user experiences. Need top-tier design? Connect with us [... View Tentackles portfolio ]
Top Services:
UI/UX Design
Web Design
Branding
Email Marketing
SEO
Graphic Design
eCommerce Development
Location
Walnut, California
Number of Employees
Under 49
Average Hourly Rate
$20/hr
Portfolios Count
16 Projects Listed
View Profile
4.6 4.6 (5)
4.6 4.6 (40)
Grazitti Interactive
Marketing For Digital Natives
Marketing For Digital Natives
Grazitti Interactive, a global leader in digital innovation, offering AI-driven solutions to drive customer success. We specialize in Salesforce, marketing automation, analytics, and more, partnering with industry giants to deliver results-oriented solutions for clients. [... View Grazitti Interactive portfolio ]
Top Services:
Graphic Design
Video Production
Web Design
Web Development
Digital Marketing
SEO
Mobile App Development
Location
Mountain View, California
Number of Employees
1000 & Up
Average Hourly Rate
$50/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
11 Projects Listed
View Profile
4.8 4.8 (5)
4.3 4.3 (388)
Amasta Media
Your digital partner blending strategy, design, and technology to drive growth.
Your digital partner blending strategy, design, and technology to drive growth.
Whether you need strategy, consulting, hiring support, or a fresh website, we partner with you to build solutions that fit your goals, budget, and long-term growth. [... View Amasta Media portfolio ]
Top Services:
Web Design
Digital Strategy
Business Consulting
UI/UX Design
Web Development
Branding
Logo Design
Location
Dublin, California
Number of Employees
Under 49
Average Hourly Rate
$150/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
8 Projects Listed
View Profile
4.3 4.3 (1)
Ptolemay
IT Solutions for Promising Businesses
IT Solutions for Promising Businesses
We are a full-cycle IT development company that designs and creates perfect solutions based in the US with HQ in Walnut, California. Our experience in diverse marketplaces allows us to offer high-level service to our clients with a clear understanding of their need for flexibility, speed, and agility. [... View Ptolemay portfolio ]
Top Services:
Mobile App Development
Software Development
AI Development
UI/UX Design
Web Development
Staff Augmentation
Location
Walnut, California
Number of Employees
50 - 99
Average Hourly Rate
$50/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
4 Projects Listed
View Profile
4.4 4.4 (2)
5.0 5.0 (10)
Curlware
Curl Ware, your one-stop shop for all your web development and design needs.
Curl Ware, your one-stop shop for all your web development and design needs.
Our team of experts focuses on delivering top-quality services to our clients, ensuring that they receive the best results. We aim to help businesses and individuals build their online presence through effective website development, optimization, and design. Our mission is to exceed our client's expectations [... View Curlware portfolio ]
Top Services:
Web Design
eCommerce Development
Web Development
WordPress Website Design
Software Testing
Mobile App Development
IT Services
Location
California City, California
Number of Employees
Under 49
Average Hourly Rate
$20/hr
Portfolios Count
20 Projects Listed
View Profile
Zealtouch
Your IT Solutions With Zeal
Your IT Solutions With Zeal
Zealtouch, a company that was established in 2017, quickly grew to be a sizable group of professionals with a common corporate vision. [... View Zealtouch portfolio ]
Top Services:
Web Development
Software Development
Mobile App Development
eCommerce Development
IT Services
Location
Sacramento, California
Number of Employees
Under 49
Average Hourly Rate
$49/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
9 Projects Listed
View Profile
4.3 4.3 (1)
Comrax
Your Global Partner for Digital Transformation
Your Global Partner for Digital Transformation
Comrax Group is a worldwide development company offering internet solutions, offshore development services, and API solutions. We are dedicated to delivering top-notch services that go beyond client expectations. Our expertise encompasses creating attractive websites, user-friendly web portals, and tailored [... View Comrax portfolio ]
Top Services:
Web Development
Web Design
WordPress Website Design
UI/UX Design
Software Development
Mobile App Development
Location
California City, California
Number of Employees
Under 49
Average Hourly Rate
$85/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
4 Projects Listed
View Profile
4.5 4.5 (2)
Pace Digitals
Affordable & Creative Design Company
Affordable & Creative Design Company
Pace Digital is a cutting-edge digital marketing agency offering innovative solutions for businesses. With expertise in SEO, social media marketing, web design, and more, we help clients optimize their online presence and drive targeted traffic. Our team of experts utilizers data-driven strategies to deliver [... view Pace Digitals profile ]
Top Services:
Web Development
Mobile App Development
Web Design
eCommerce Development
Branding
Digital Marketing
Location
Oakland, California
Number of Employees
1000 & Up
Average Hourly Rate
$70/hr
Minimal Budget
$25,000 - $50,000
View Profile
4.6 4.6 (3)
1.0 1.0 (1)
RiseServ
Our Success - Its Your Business Success
Our Success - Its Your Business Success
RiseServ provides unique and custom software solutions as web-applications, mobile applications, web-portals for medium and small businesses in US, Canada and Europe. Se stand with US small businesses of all industries, helping them recover from the pandemic and rise their sales to levels higher than ever. [... view RiseServ profile ]
Top Services:
Web Design
eCommerce Development
Web Development
SEO
Software Development
Staff Augmentation
Mobile App Development
Location
Newport Beach, California
Number of Employees
50 - 99
Average Hourly Rate
$25/hr
Minimal Budget
$1,000 - $10,000
View Profile
4.6 4.6 (3)
Dino Code LA
Where Genuine Brilliance Effortlessly Shines.
Where Genuine Brilliance Effortlessly Shines.
We help our clients succeed by creating unique costume websites, brand identities, digital experiences, and print materials that communicate clearly, achieve marketing goals, and look fantastic. [... view Dino Code LA profile ]
Top Services:
Branding
Creative Services
Mobile App Development
Location
Del Rey, California
Number of Employees
Under 49
Average Hourly Rate
$45/hr
Minimal Budget
Under $1,000
View Profile
4.6 4.6 (3)
5.0 5.0 (7)
Need Help Selecting The Right Startup App Development Agency in California For Your Project?
We'll Find The Best Agencies For You.
TELL US ABOUT YOUR PROJECT
Sidebench
Top Healthcare Product, Technology, & Venture Design Firm
Top Healthcare Product, Technology, & Venture Design Firm
Sidebench is the top healthcare technology design and software engineering firm in the US. We combine strategy, design, technical architecture at every point of our process. We are known for delivering extraordinary business results. [... View Sidebench portfolio ]
Top Services:
Mobile App Development
Software Development
AI Development
Wearables
UI/UX Design
Web Development
Product Design
Location
Los Angeles, California
Number of Employees
Under 49
Minimal Budget
$50,000 & Up
Portfolios Count
11 Projects Listed
View Profile
4.0 4.0 (1)
Master Of Code Global
Business Vision Meets Technology Mastery
Business Vision Meets Technology Mastery
With 1000+ successfully delivered projects for clients such as Go plc, Amika, Tom Ford, Burberry, Boost.ai, GTO Lab, Dr. Oetker, Aveda, T-Mobile, and La Mer, Master of Code Global stands among the leading AI development companies with a strong product mindset. [... view Master Of Code Global profile ]
Top Services:
AI Development
Software Development
Web Development
Mobile App Development
Staff Augmentation
Location
Redwood City, California
Number of Employees
100 - 249
Average Hourly Rate
$99/hr
Minimal Budget
$25,000 - $50,000
View Profile
4.5 4.5 (2)
4.0 4.0 (4)
DigiNeat Smart Technologies
DesignRush Design Award Winner
Innovating Your Digital Future
Innovating Your Digital Future
DigiNeat is a team of professionals who create stunning designs and integrate cutting-edge technologies to increase sales. We help businesses stand out in the online space and attract customers with unique solutions that combine creativity and efficiency. [... View DigiNeat Smart Technologies portfolio ]
Top Services:
Web Development
Mobile App Development
Software Development
Location
Los Angeles, California
Number of Employees
100 - 249
Average Hourly Rate
$99/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
2 Projects Listed
View Profile
4.5 4.5 (2)
5.0 5.0 (2)
Developer Bazaar Technologies
AI-Native Product Engineering Company
AI-Native Product Engineering Company
Developer Bazaar Technologies is a Top AI Development company building custom Mobile App & Software Development and specializing in building AI Solutions delivering mesurable outcome. [... View Developer Bazaar Technologies portfolio ]
Top Services:
Mobile App Development
eCommerce Development
Software Development
IT Services
Staff Augmentation
AI Development
CRM Consulting
Location
Fremont, California
Number of Employees
50 - 99
Average Hourly Rate
$25/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
6 Projects Listed
View Profile
4.8 4.8 (7)
4.8 4.8 (26)
Kingsmen Digital Ventures
We Build Innovative Technology.
We Build Innovative Technology.
Applications and platforms proudly built here in the USA. We have assisted some of the most prominent global brands operating in complex and heavily regulated sectors in successfully launching software solutions that underpin their go-to-market strategy, ensuring a world-class customer experience. [... View Kingsmen Digital Ventures portfolio ]
Top Services:
Software Development
Mobile App Development
UI/UX Design
Product Design
Creative Services
Web Development
Location
Irvine, California
Number of Employees
Under 49
Minimal Budget
$50,000 & Up
Portfolios Count
14 Projects Listed
View Profile
5.0 5.0 (3)
Nemomakes
A Creative Partner For Your Team.
A Creative Partner For Your Team.
Nemomakes helps countless companies, startups, founders and entrepreneurs create web and mobile products for their businesses that deliver phenomenal and tangible results. [... View Nemomakes portfolio ]
Top Services:
UI/UX Design
Web Design
Web Development
Mobile App Development
Branding
Logo Design
Location
Walnut Creek, California
Number of Employees
Under 49
Average Hourly Rate
$150/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
20 Projects Listed
View Profile
Azilen Technologies
An Enterprise AI Development Company
An Enterprise AI Development Company
Azilen Technologies is a prominent enterprise AI development company that takes pride in delivering exceptional AI, Data, and HRTech solutions to organizations seeking digital transformation. [... View Azilen Technologies portfolio ]
Top Services:
AI Development
Software Development
IT Services
IoT
Cloud Consulting
Mobile App Development
Wearables
Location
San Francisco, California
Number of Employees
250 - 499
Average Hourly Rate
$35/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
16 Projects Listed
View Profile
Innofied Solution
Guaranteeing a 5 star experience!
Guaranteeing a 5 star experience!
Innofied is an award-winning B2B AI software development company with 600+ successful projects since 2012, helping businessesincluding Fortune 500 companieswith modern AI and SaaS solutions. With a global presence, our game-changing automated solutions continue to drive success across industries. [... View Innofied Solution portfolio ]
Top Services:
Mobile App Development
Web Design
eCommerce Development
WordPress Website Design
Web Development
UI/UX Design
Software Development
Location
Sunnyvale, California
Number of Employees
50 - 99
Average Hourly Rate
$25/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
20 Projects Listed
View Profile
4.3 4.3 (1)
4.2 4.2 (78)
CodeStringers
Zoho consulting, development and integration services for operationally complex organizations.
Zoho consulting, development and integration services for operationally complex organizations.
CodeStringers helps growth-stage and small-to-mid-market companies implement, integrate, and operate Zoho-centered digital enablement solutions by combining senior executive consulting, cost-effective delivery teams, and custom software capabilities when needed. [... view CodeStringers profile ]
Top Services:
Software Development
AI Development
Web Development
CRM Consulting
ERP Consulting
Managed Services
Mobile App Development
Location
Santa Cruz, California
Number of Employees
50 - 99
Average Hourly Rate
$55/hr
Minimal Budget
$50,000 & Up
View Profile
4.4 4.4 (2)
Quytech
AI | Gen-AI | Blockchain | IT Staff Augmentation | Mobile App
AI | Gen-AI | Blockchain | IT Staff Augmentation | Mobile App
Quytech is a leader in digital innovation of global startups, SMEs, and Fortune 500 organizations. With 14+ years of experience and strong technology expertise, we deliver digital-first experiences that help businesses stay competitive.View the Quytech Reviews, Portfolio, and Services [... View Quytech portfolio ]
Top Services:
Mobile App Development
AI Development
Blockchain
IoT
Software Development
Big Data Analytics
Staff Augmentation
Location
Walnut, California
Number of Employees
100 - 249
Average Hourly Rate
$20/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
12 Projects Listed
View Profile
4.7 4.7 (4)
4.3 4.3 (122)
MetaProject
Mobile and Web Apps for Startups and Businesses
Mobile and Web Apps for Startups and Businesses
We've built products for Fintech, Law, Healthcare, Fitness, Taxi, Delivery, Education and many other industries. We develop solutions for B2B, B2G and retail. [... View MetaProject portfolio ]
Top Services:
Mobile App Development
Web Development
Software Development
Location
San Francisco, California
Number of Employees
50 - 99
Average Hourly Rate
$25/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
20 Projects Listed
View Profile
4.1 4.1 (33)
Ayatas Technologies
Delivering Value Digitally
Delivering Value Digitally
Ayatas Technologies is a digital commerce agency, boasting a robust legacy of 15 years marked by unparalleled experience, unwavering expertise, & a dynamic team dedicated to pushing the boundaries of innovation. Specializing in website design, e-commerce solutions, and custom software development. [... View Ayatas Technologies portfolio ]
Top Services:
eCommerce Development
Web Development
WordPress Website Design
Web Design
Mobile App Development
Digital Services
Digital Marketing
Location
Sacramento, California
Number of Employees
50 - 99
Average Hourly Rate
$50/hr
Portfolios Count
19 Projects Listed
View Profile
4.4 4.4 (7)
NetSet Software Solutions
Accelerate Your Digital Transformation
Accelerate Your Digital Transformation
We are global web3.0 Software engineering company making success stories for more two decades with highly motivated and experience teams and a proven agile framework. we prioritize the commercial goal of our customer deliver the highest business value. we are a renowned blockchain app development company in [... View NetSet Software Solutions portfolio ]
Top Services:
Blockchain
AI Development
Mobile App Development
Software Development
Web Design
Web Development
Staff Augmentation
Location
San Francisco, California
Number of Employees
100 - 249
Average Hourly Rate
$25/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
3 Projects Listed
View Profile
4.6 4.6 (8)
4.0 4.0 (258)
Orangesoft
Innovating Healthcare Through Technology
Innovating Healthcare Through Technology
Orangesoft is a full-cycle software development partner focused on healthcare. [... View Orangesoft portfolio ]
Top Services:
Software Development
Mobile App Development
Web Development
IoT
AI Development
Wearables
Software Testing
Location
San Francisco, California
Number of Employees
100 - 249
Average Hourly Rate
$50/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
11 Projects Listed
View Profile
5.0 5.0 (9)
Cidersoft
Cider Is the Leading Software Development Company in the San Francisco Bay Area.
Cider Is the Leading Software Development Company in the San Francisco Bay Area.
Cidersoft builds compelling apps and websites that will strengthen the success of your business. [... View Cidersoft portfolio ]
Top Services:
Staff Augmentation
DevOps Consulting
eCommerce Development
Web Design
Web Development
Software Development
Cloud Consulting
Location
San Ramon, California
Number of Employees
100 - 249
Average Hourly Rate
$65/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
1 Project Listed
View Profile
4.4 4.4 (2)
Materialize Labs
Your Software Development Team As-a-Service
Your Software Development Team As-a-Service
Materialize is a team of passionate web and mobile app artisans that specialize in building bespoke digital products. [... View Materialize Labs portfolio ]
Top Services:
Software Development
Mobile App Development
AI Development
Web Development
DevOps Consulting
Web Design
UI/UX Design
Location
Los Angeles, California
Number of Employees
Under 49
Minimal Budget
$50,000 & Up
Portfolios Count
12 Projects Listed
View Profile
yuj - UX Design Company
Enterprise UX Design | 3,000+ Projects for Fortune 100/500 Clients
Enterprise UX Design | 3,000+ Projects for Fortune 100/500 Clients
yuj is a global UX design company with 16+ years of experience and 3,000+ projects delivered for Fortune 100 and Fortune 500 clients across automotive, fintech, healthcare, and hi-tech industries. [... View Yuj - UX Design Company portfolio ]
Top Services:
Product Design
AI Development
Digital Strategy
Design Services
UI/UX Design
Business Consulting
Market Research
Location
Sunnyvale, California
Number of Employees
100 - 249
Portfolios Count
8 Projects Listed
View Profile
4.3 4.3 (92)
Smoking Chimney
DesignRush Design Award Winner
Your imagination, Amplified. Digitally.
Your imagination, Amplified. Digitally.
We help ambitious brands leverage video, ad & brand films, branding, UI/UX design, and full-service creative solutions to achieve rapid growth seamless experiences, intuitive results. [... View Smoking Chimney portfolio ]
Top Services:
Web Design
Design Services
Branding
Video Production
Logo Design
UI/UX Design
Video Marketing
Location
San Francisco, California
Number of Employees
50 - 99
Average Hourly Rate
$20/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
5 Projects Listed
View Profile
4.8 4.8 (6)
4.9 4.9 (31)
CoreTeka
Custom Software Development
Custom Software Development
Coreteka is an IT services provider with R&D offices in Eastern Europe and 8 years of experience in custom software development. We have offices in Irvine (the USA), Wroclaw (Poland), and Kyiv (Ukraine). [... View CoreTeka portfolio ]
Top Services:
Web Development
eCommerce Development
Web Design
Mobile App Development
Software Development
Software Testing
DevOps Consulting
Location
Irvine, California
Number of Employees
Under 49
Portfolios Count
13 Projects Listed
View Profile
NZOUAT
We Automate Critical Business Processes.
We Automate Critical Business Processes.
Nzouat is an Oakland, California based digital consulting and development studio founded by Chris Nzouat. The agency which typically works with small to mid-size businesses and startups offers full-stack web and mobile development, blockchain (smart contracts, NFTs, DeFi), AI/ML integration, and digital [... View NZOUAT portfolio ]
Top Services:
Web Development
AI Development
Blockchain
Web Design
Digital Marketing
Mobile App Development
Software Development
Location
San Francisco, California
Number of Employees
Under 49
Average Hourly Rate
$150/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
13 Projects Listed
View Profile
Equality Software
Driving Change Through Technology
Driving Change Through Technology
At eQuality Software, we create digital solutions that drive real impact. With over 14 years of experience in mobile app development, our team specializes in designing and delivering scalable, intuitive, and high-performance applications tailored to your business goals. [... View Equality Software portfolio ]
Top Services:
Mobile App Development
Blockchain
VR/AR
eCommerce Development
IoT
Location
San Francisco, California
Number of Employees
50 - 99
Average Hourly Rate
$100/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
13 Projects Listed
View Profile
5.0 5.0 (1)
Vrinsoft Technology
Ranked #1 Software & App Development Company
Ranked #1 Software & App Development Company
Vrinsoft is the most promising IT solution providing company, based in India which is a one-stop shop for all your business needs. We are a Microsoft certified IT company, which besides rendering professional and comprehensive business solutions also cater a range of services in mobile technologies. [... View Vrinsoft Technology portfolio ]
Top Services:
Mobile App Development
Software Development
Web Design
Web Development
eCommerce Development
Blockchain
AI Development
Location
Los Angeles, California
Number of Employees
100 - 249
Average Hourly Rate
$25/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
16 Projects Listed
View Profile
4.4 4.4 (2)
4.3 4.3 (399)
Dreamers Inc.
Your spark, our fuel
Your spark, our fuel
Dreamers is a research, data science, and tech consultancy that specializes in building solutions for complex problems. We are based in sunny California, but we work remotely with clients from all over the world. We're engineer-owned and operated, meaning you'll get personal attention and quick answers [... View Dreamers Inc. portfolio ]
Top Services:
AI Development
Blockchain
Software Development
Mobile App Development
Wearables
IoT
Software Testing
Location
Los Angeles, California
Number of Employees
Under 49
Average Hourly Rate
$150/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
14 Projects Listed
View Profile
Its on Media
Its On Media | Web and Mobile App Development Agency
Its On Media | Web and Mobile App Development Agency
Its On Media is a leading web and mobile app development agency, specializing in innovative app design, development, and seamless digital transformation. [... View Its On Media portfolio ]
Top Services:
eCommerce Development
Web Design
Web Development
WordPress Website Design
SEO
Mobile App Development
UI/UX Design
Location
Fresno, California
Number of Employees
50 - 99
Average Hourly Rate
$30/hr
Portfolios Count
4 Projects Listed
View Profile
4.2 4.2 (1)
4.7 4.7 (14)
The App Founders
Software, Mobile App, Games Development Company.
Software, Mobile App, Games Development Company.
The App Founders is a recognized leader in the mobile app development industry that excels in building mobile apps to upscale your business and bolster your customer retention rate. Well transform your idea into a market-ready application on schedule and within budget. [... View The App Founders portfolio ]
Top Services:
Mobile App Development
Software Development
eCommerce Development
Product Design
CRM Consulting
ERP Consulting
VR/AR
Location
Santa Clara, California
Number of Employees
100 - 249
Average Hourly Rate
$70/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
16 Projects Listed
View Profile
4.1 4.1 (9)
Signature Creative
Designing Digital Innovation, Delivering Impact
Designing Digital Innovation, Delivering Impact
Signature Creative is a Los Angeles based digital product and design agency founded in 2004. With a lean, senior-led team, they specialize in transforming brands through a combination of award-winning branding, UX/UI, creative technology, and full-stack development. The firm partners with Fortune 500s [... View Signature Creative portfolio ]
Top Services:
Branding
Graphic Design
Social Media Marketing
Creative Services
Design Services
Print Design
UI/UX Design
Location
Los Angeles, California
Number of Employees
Under 49
Average Hourly Rate
$200/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
12 Projects Listed
View Profile
5.0 5.0 (6)
Charly Agency
We Authentically Care & Deliver
We Authentically Care & Deliver
Want to boost your revenue? We create high-converting, future-proofed websites, apps, and brand assets. [... View Charly Agency portfolio ]
Top Services:
Web Design
eCommerce Development
UI/UX Design
Web Development
SEO
Digital Marketing
Branding
Location
San Francisco, California
Number of Employees
Under 49
Average Hourly Rate
$70/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
12 Projects Listed
View Profile
5.0 5.0 (21)
Beesoul
Engineered for Success
Engineered for Success
BeeSoul is a creative branding and web design studio dedicated to helping purpose-driven businesses and entrepreneurs thrive through intentional design. Specializing in visual storytelling, BeeSoul crafts soulful brand identities, strategic websites, and cohesive digital experiences that align with clients [... View Beesoul portfolio ]
Top Services:
Mobile App Development
Web Design
UI/UX Design
eCommerce Development
Web Development
WordPress Website Design
Software Development
Location
Richmond, California
Number of Employees
Under 49
Average Hourly Rate
$20/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
12 Projects Listed
View Profile
5.0 5.0 (3)
Gearheart IO
Product development studio for innovators
Product development studio for innovators
We are a product development studio for innovators, specializing in B2B SaaS platforms for productivity, analytics, marketing, sales, and engineering. We work with serial entrepreneurs, startup founders, and CTOs at industrial enterprises to create time through innovative products. [... View Gearheart IO portfolio ]
Top Services:
Web Development
Mobile App Development
CRM Consulting
ECM Consulting
IT Services
DevOps Consulting
eCommerce Development
Location
San Francisco, California
Number of Employees
Under 49
Average Hourly Rate
$60/hr
Minimal Budget
$50,000 & Up
Portfolios Count
14 Projects Listed
View Profile
Xicom
Transforming businesses with custom AI development
Transforming businesses with custom AI development
Xicom has been building software and mobile apps that moves businesses forward. Over 20+ years, we have grown into a trusted AI development company, delivering 1800+ projects to 750+ clients across 50+ countries, including startups, SMBs, and enterprises. [... View Xicom portfolio ]
Top Services:
AI Development
Mobile App Development
Software Development
Web Development
eCommerce Development
Web Design
IT Services
Location
San Francisco, California
Number of Employees
100 - 249
Average Hourly Rate
$25/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
2 Projects Listed
View Profile
4.3 4.3 (1)
3.7 3.7 (3)
Apex Web Studios
Design Deliver Dominate
Design Deliver Dominate
We convert businesses into brands by building booming and beautiful online presences for them. [... View Apex Web Studios portfolio ]
Top Services:
Web Design
Branding
Logo Design
Digital Marketing
Design Services
Mobile App Development
Web Development
Location
Los Angeles, California
Number of Employees
50 - 99
Average Hourly Rate
$40/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
4 Projects Listed
View Profile
4.3 4.3 (1)
Strataigize Marketing
We Turn Attention Into Revenue
We Turn Attention Into Revenue
Strataigize Marketing is a Vancouver-based digital marketing agency serving worldwide, specializing in mobile app growth and full funnel marketing for all industries. We deliver results through App Store Optimization (ASO), App Search Ads, paid media, conversion rate optimization, and creative video [... View Strataigize Marketing portfolio ]
Top Services:
Mobile App Development
CRO
SEO
PPC
Video Marketing
Creative Services
Digital Marketing
Location
San Francisco, California
Number of Employees
Under 49
Average Hourly Rate
$100/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
1 Project Listed
View Profile
4.3 4.3 (1)
5.0 5.0 (5)
CitrusBits
Transforming Healthcare Through Technology
Transforming Healthcare Through Technology
CitrusBits is a mobile app development agency that designs and develops impactful mobile apps and responsive mobile content for businesses of all types. Having developed critical mobile apps for clients including DuPont, J&J, Burger King, Quiksilver, Symantec, and Sothebys, CitrusBits is trusted by movers and [... View CitrusBits portfolio ]
Top Services:
Mobile App Development
Software Development
Blockchain
IoT
AI Development
UI/UX Design
Web Design
Location
San Francisco, California
Number of Employees
50 - 99
Average Hourly Rate
$150/hr
Portfolios Count
2 Projects Listed
View Profile
4.3 4.3 (1)
5.0 5.0 (2)
IMG Global Infotech
Your trusted partner for cutting-edge mobile app development.
Your trusted partner for cutting-edge mobile app development.
Discover innovation and excellence at IMG Global Infotech! Immerse yourself in cutting-edge services and high-quality development solutions that redefine the digital landscape. Our dynamic work environment fosters creativity and collaboration to fuel groundbreaking ideas. [... View IMG Global Infotech portfolio ]
Top Services:
Mobile App Development
Web Development
eCommerce Development
Software Development
AI Development
Blockchain
CRM Consulting
Location
California City, California
Number of Employees
100 - 249
Average Hourly Rate
$20/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
7 Projects Listed
View Profile
4.6 4.6 (140)
SEOTM
Result-Driven Digital Solutions Since 2005
Result-Driven Digital Solutions Since 2005
We provide results-driven solutions in the Digital field since 2006. While working with us you will receive the expertise and knowledge from our Digital Agency and highly qualified resources from our Research & Development Competence Centre [... View SEOTM portfolio ]
Top Services:
Web Development
Web Design
Mobile App Development
SEO
PPC
CRM Consulting
Software Development
Location
Escondido, California
Number of Employees
Under 49
Average Hourly Rate
$25/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
1 Project Listed
View Profile
4.3 4.3 (1)
SansaraHub
Digital Marketing Advertising Agency
Digital Marketing Advertising Agency
Sansarahub, your trusted hub for comprehensive digital solutions. With over 13+ years of experience, we specialize in driving digital transformation to help your business grow, scale, and lead the market. [... View SansaraHub portfolio ]
Top Services:
Branding
Graphic Design
Logo Design
UI/UX Design
Web Design
Web Development
SEO
Location
California City, California
Number of Employees
Under 49
Average Hourly Rate
$50/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
9 Projects Listed
View Profile
5.0 5.0 (7)
Ardas
Every Move Is for the Product.
Every Move Is for the Product.
Ardas is a SaaS-centric shop with a focus on reaching business success rather than technologies or methodologies. [... View Ardas portfolio ]
Top Services:
Software Development
Web Development
Mobile App Development
IoT
AI Development
UI/UX Design
Location
Irvine, California
Number of Employees
100 - 249
Average Hourly Rate
$40/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
11 Projects Listed
View Profile
CS Designs and Marketing
We Create Websites That Build Business
We Create Websites That Build Business
We are a website design and Marketing company. We do SEO, Reputation Management, Website Development. [... View CS Designs And Marketing portfolio ]
Top Services:
Web Design
Web Development
SEO
Social Media Marketing
Video Marketing
Mobile App Development
Advertising
Location
Fresno, California
Number of Employees
Under 49
Average Hourly Rate
$60/hr
Minimal Budget
Under $1,000
Portfolios Count
2 Projects Listed
View Profile
4.3 4.3 (1)
4.7 4.7 (12)
Rivо Agency
Transforming Ideas into Impactful Digital Solutions.
Transforming Ideas into Impactful Digital Solutions.
Rivo Agency is a leading custom software development firm dedicated to delivering innovative web and mobile solutions. With a focus on industries like healthcare, e-commerce, and construction, our expert team harnesses the latest technologies to create secure, scalable applications that drive business [... View Rivо Agency portfolio ]
Top Services:
Web Development
Mobile App Development
Software Development
WordPress Website Design
eCommerce Development
Web Design
IT Services
Location
Citrus Heights, California
Number of Employees
Under 49
Average Hourly Rate
$45/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
2 Projects Listed
View Profile
4.3 4.3 (1)
Radixweb
Your Software Development Partner Where AI Innovation Meets Engineering Excellence
Your Software Development Partner Where AI Innovation Meets Engineering Excellence
Founded in 2000, Radixweb is a global leader in AI-driven software, product engineering & digital transformation. With 25+ yrs, 650+ experts & 5,500+ projects for 3,000+ clients in 25+ countries, we deliver cloud & AI solutions across industries, driving innovation, agility & growth. [... View Radixweb portfolio ]
Top Services:
Software Development
Web Development
eCommerce Development
Mobile App Development
IT Services
IT Compliance Solution
AI Development
Location
Artesia, California
Number of Employees
500 - 999
Average Hourly Rate
$25/hr
Portfolios Count
24 Projects Listed
View Profile
4.2 4.2 (385)
Need Help Selecting The Right Startup App Development Agency in California For Your Project?
We'll Find The Best Agencies For You.
TELL US ABOUT YOUR PROJECT

Related Services in California

Related Mobile App Development Specializations in California

About The Author and Expert Reviewer

Selina Garcia

Content Specialist

selina@designrush.com

Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.

Sergio Oliveira

Former Development Director

spotlight@designrush.com

Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.

Latest Trends Related to Startup App Development

App Development

Best California Startup App Development Companies

Your strategic partners in data-driven, user-inspired, & future-ready digital innovations.

Marketing For Digital Natives

Your digital partner blending strategy, design, and technology to drive growth.

IT Solutions for Promising Businesses

Curl Ware, your one-stop shop for all your web development and design needs.

Your IT Solutions With Zeal

Your Global Partner for Digital Transformation

Affordable & Creative Design Company

Our Success - Its Your Business Success

Where Genuine Brilliance Effortlessly Shines.

Top Healthcare Product, Technology, & Venture Design Firm

Business Vision Meets Technology Mastery

Innovating Your Digital Future

AI-Native Product Engineering Company

We Build Innovative Technology.

A Creative Partner For Your Team.

An Enterprise AI Development Company

Guaranteeing a 5 star experience!

Zoho consulting, development and integration services for operationally complex organizations.

AI | Gen-AI | Blockchain | IT Staff Augmentation | Mobile App

Mobile and Web Apps for Startups and Businesses

Delivering Value Digitally

Accelerate Your Digital Transformation

Innovating Healthcare Through Technology

Cider Is the Leading Software Development Company in the San Francisco Bay Area.

Your Software Development Team As-a-Service

Enterprise UX Design | 3,000+ Projects for Fortune 100/500 Clients

Your imagination, Amplified. Digitally.

Custom Software Development

We Automate Critical Business Processes.

Driving Change Through Technology

Ranked #1 Software & App Development Company

Your spark, our fuel

Its On Media | Web and Mobile App Development Agency

Software, Mobile App, Games Development Company.

Designing Digital Innovation, Delivering Impact

We Authentically Care & Deliver

Engineered for Success

Product development studio for innovators

Transforming businesses with custom AI development

Design Deliver Dominate

We Turn Attention Into Revenue

Transforming Healthcare Through Technology

Your trusted partner for cutting-edge mobile app development.

Result-Driven Digital Solutions Since 2005

Digital Marketing Advertising Agency

Every Move Is for the Product.

We Create Websites That Build Business

Transforming Ideas into Impactful Digital Solutions.

Your Software Development Partner Where AI Innovation Meets Engineering Excellence

Related Services in California

Related Mobile App Development Specializations in California

About The Author and Expert Reviewer

Latest Trends Related to Startup App Development