Top Swift App Development Companies in California
SelectedFirms reviews agencies and verifies client feedback to support informed decisions. [How SelectedFirms Ensures Trust]
Explore Reviewed Swift App Development Companies in California — Find Skilled Swift App Developers for Your Project
Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.
72 Companies
Filter by
-
USA
-
California
0.0 (0 Reviews)
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Your Partner for Digital Excellence
TenUp Software Services is an ISO 27001-certified software development company and a trusted AWS Partner, serving clients in more than 7 countries, including the United States and the United Kingdom. We specialize in building scalable, secure, and high-performing software solutions tailored for industries such as Fintech, Telecom, Logistics, Retail, and Healthcare. Founded and led by three co-founders—each bringing over 20 years of industry experience—TenUp is a mid-sized, results-first company with a growing team of 70+ certified Software Engineers, Solution Architects, Project Managers, Business Analysts, and Tech Experts. Our core strength lies in not just delivering code, but in taking full ownership of solving your toughest technology challenges—whether it’s modernizing legacy systems, launching new SaaS products, or scaling enterprise operations. We believe in building long-term partnerships based on trust, accountability, and measurable outcomes. Our clients consistently recognize us as their most reliable tech partner. In 2022, Clutch ranked us among India’s top IT service providers, acknowledging our commitment to excellence and customer success. Our Services Include: Enterprise Application Lifecycle Management (ALM): End-to-end SDLC management, agile project delivery, and ALM toolchain integration. Digital Transformation: Legacy system modernization, cloud adoption, and next-gen platform migration. Product Engineering: MVP development, SaaS platform engineering, modular product architecture, and scalable tech stacks. Cloud Solutions: Cloud-native app development, DevOps integration, serverless infrastructure, and cloud migration. Data Engineering: Real-time data processing, data pipelines, warehousing, and actionable insights at scale. DevOps Services: CI/CD, Infrastructure as Code (IaC), automation, containerization, and incident monitoring. Artificial Intelligence: ML model development, NLP, computer vision, AI-as-a-Service, and cloud-based deep learning. Let’s build something exceptional—together.
View Tenup Software Service LLP Profile
$25-$49/hr
$25 - $50
1 - 100
Palo Alto, USA
0.0 (0 Reviews)
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Your Partner in Digital Transformation
RBM Software prides itself on outstanding customer service, with an emphasis on profoundly understanding each business’ unique requirements. We also deliver exceptional ongoing support, which enables us to build and maintain a loyal customer base. Our team of experts is highly skilled and experienced in providing custom software development and dedicated contract resources In Angular, React, MEAN Stack, MERN stack, Nodejs, Java and Dot net along with cross platform mobile app development, and we ensure that we keep ourselves updated with the latest industry standards and practices to provide the best solutions to our clients.
View RBM Software Profile
$25-$49/hr
$5,000 - $10,000
75 - 95
Pleasanton, USA
0.0 (0 Reviews)
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
CRM Development Company
At Code Garage Tech, we simplify your marketing, sales, and customer support with our expert CRM development services. As a leading CRM development company, we offer seamless solutions for customer tracking, purchase history, and contact management.
View Code Garage Tech Profile
$25-$49/hr
$10,000 - $10,000
10 - 49
Oakland, USA
0.0 (0 Reviews)
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Custom Immigration Software Solutions
As an AI app development company, we build AI-powered applications that go beyond traditional software. Our smart solutions help businesses automate tasks, make faster decisions, and deliver better user experiences. Whether you need a custom chatbot, predictive analytics tool, or a full-scale AI app, we turn complex ideas into simple, powerful products. With a focus on real results, we design apps that grow with your business. Ready to unlock the power of AI? Contact us at +18507801313, and let’s build together!
View BOSC Tech Labs Profile
$25-$49/hr
$20,000 - $35,000
50 - 100
Burbank, USA
0.0 (0 Reviews)
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Software development company
The best ideas may start on a napkin, but they shouldn’t stay there. Software development—and a lot of planning and hard work—makes them reality. With software, we can see our loved ones from far away. Help students who struggle to read. Recover more quickly from disasters. Build smarter homes or connect consumers to products that help the planet. It takes years of expertise and dedicated engineers to build these life-changing tools. Not everyone has these skills. That’s where Spiral Scout comes in. Our vision is to see every great idea have the best chance to come to life. That's why we pair the world's top software engineers with ambitious organizations—big and small—to scout and solve problems through innovation. Our team seamlessly works as one with yours, building the kind of trust and open communication that creates value and allows innovation to soar. Together, we address your unique challenges and bring your idea to the world in the simplest, most elegant way. Because software should solve problems. Not create them. We are Spiral Scout.
View Spiral Scout Profile
N/A
$50 - $99
50 - 249
San Francisco, USA
5.0 (1 Reviews)
25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Award-winning Mobile App design and development company
Citrusbits is best known for its UI/UX, IOS, and integrating the latest and best technology with having a bunch of 300+ employees with a minimum year of experience is more than five years. It has the best team for iOS app development.
See all 1+ Portfolios
$100-$149/hr
$25,000+
10 - 49
Los Angeles, USA
Verified Client Review
We are extremely impressed with CitrusBits
Reviewed by: Zonaib Massey, Global Strategic Sourcing Manager View all 1 Reviews
4.8 (3 Reviews)
4.8 (3 Reviews)
25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Scaling Tech Innovations for a Connected World
HyScaler is a CMMI Level 3 technology consulting group specializing in AI, Blockchain, IT, and Cloud Computing. They offer scalable solutions across industries, backed by a diverse team focused on agile problem-solving and innovation. They have a successful history of collaborating with elite clients worldwide, delivering web, mobile, and cloud-based solutions in manufacturing, hospitality, education, analytics, and health. Their core team consists of skilled developers, engineers, researchers, and analysts from diverse technology backgrounds. HyScaler's multidisciplinary team contributes to groundbreaking projects with a lasting global impact.
View HyScaler Profile
$25-$49/hr
$7,500+
75 - 249
Santa Clara, USA
Verified Client Review
Web & App Development for Online Sports News Company
Reviewed by: Ashish Negi, CEO & Co-Founder at Khel Now View all 3 Reviews
5.0 (2 Reviews)
5.0 (2 Reviews)
24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
A product studio for AI, mobile & web
Have an idea for a web or mobile product? AI-wow! Welcome to Roro Solutions, your premier product studio for AI, mobile, and web innovation. We are a group of techies who are passionate about the technologies that will shape our future as a society. Consider us your collaborators as you take on challenging engineering problems and come up with creative solutions.
View Roro Profile
$25-$49/hr
$10,000+
10 - 49
San Francisco, USA
Verified Client Review
UI/UX Design, API & Mobile App Dev for Software Dev Company
Reviewed by: Clyde Snodgrass, Founder at Faraday Inc View all 2 Reviews
4.5 (2 Reviews)
4.5 (2 Reviews)
24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Custom software development since 2008
Zuzex is a tech business with extensive experience in development. We were founded in 2008 and are passionate about information technology. We've developed gradually, learning new things and honing our skills. By identifying and developing outstanding talent, we have created strong teams. Because we genuinely think that intimate collaboration leads to synergy, our professionals collaborate in-office. Our company culture is built on open communication and candid discussion. Our varied backgrounds and specialties allow us to tackle problems in novel ways and provide development excellence.
View ZUZEX Profile
$25-$49/hr
$1,000+
50 - 249
Santa Rosa, USA
Verified Client Review
Web Development for a Sports Data Platform
Reviewed by: Gavin Wood, President at TheRundown View all 2 Reviews
4.5 (2 Reviews)
24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Innovative and Reliable Software Engineering
With a focus on technologies like cloud, enterprise mobility, analytics, big data, blockchain, search engines, artificial intelligence, and machine learning, Sysvine Technologies is a global software engineering services provider that offers software architecture, design, development, testing, devops, and support services in fields like knowledge management, healthcare, and financial systems. Our specialty is collaborating with new software companies to turn their proof of concepts (POC) into fully functional software solutions and then providing them with ongoing support. In the end, the majority of our clients merge with Fortune 500 software product companies. With clients in the USA, Japan, Singapore, Hong Kong, Australia, and the UK, we have over 20 startup software companies and three large Fortune 500 software product companies. We are a US-based company with affiliates in Canada, India, and the EU.
View Sysvine Technologies Profile
$25-$49/hr
$5,000+
50 - 249
Mountain View, USA
Verified Client Review
Development Staff Augmentation for Agile Transformation Firm
Reviewed by: Ranjith Venkatesh, Managing Director at Moss & Lichens View all 2 Reviews
4.8 (1 Reviews)
4.8 (1 Reviews)
22
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
22
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
We create products that bring people together.
Tesuji is a diverse team with expertise in blockchain, Web3, AR/VR, backend infrastructure, web development, design, branding, UI/UX, and consulting. They have launched innovative products like blockchain-powered social platforms, AR pet games, and automotive software, prioritizing pragmatic solutions and consistent client communication.
View Tesuji Profile
$50-$99/hr
$25,000+
2 - 9
Nevada City, USA
Verified Client Review
Android App Development for Dance Competition Platform
Reviewed by: Rich Sloan, Co-Founder at DanceFight View all 1 Reviews
5.0 (1 Reviews)
5.0 (1 Reviews)
22
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
22
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Building powerful digital solutions from concept to launch.
We specialize in creating end-to-end digital solutions that help businesses innovate, scale, and thrive. Our expertise spans mobile app development (Android, iOS, Windows), AR/VR experiences (GearVR, Oculus, Intel SmartGlasses), eCommerce platforms, game development, and custom website design using .NET, PHP, and WordPress. We also provide UX/UI design, software testing, cloud integration, and infrastructure support to ensure seamless performance and reliability. Whether you’re envisioning a new app, exploring immersive technologies, or enhancing digital infrastructure, our team delivers scalable, high-performance solutions tailored to your goals. Schedule a free consultation today—let’s transform your idea into an impactful digital reality.
View Skipfour Profile
$25-$49/hr
$1,000+
50 - 249
San Francisco, USA
Verified Client Review
Creating a Martial Arts Group's Website
Reviewed by: Jordan Schreiber, CEO at DOJOFLO View all 1 Reviews
0.0 (0 Reviews)
0.0 (0 Reviews)
22
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
22
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
A technology vision with a human touch
Sibedge: Your Premier Partner in Global Software Engineering Solutions Sibedge is a leading software engineering firm specializing in digital transformation and innovative software solutions. With over 15 years of experience, we've successfully completed more than 350 projects across 27+ countries, making us a trusted partner for businesses worldwide. Our headquarters in Australia, combined with a network of skilled engineers globally, positions us to deliver high-impact services tailored to your unique needs. Our service framework is built around agile methodologies, ensuring flexibility and speed in project delivery. We offer five key services that prioritize collaboration and excellence: - Team Extension: Quickly augment your workforce with our remote teams of 3-5 engineers, ready to seamlessly integrate into your existing operations. - Agile Software Development: Experience effective project management that minimizes risks and maximizes business value through our agile approach. - Squads Product Development: Leverage our multidisciplinary squads, including UX designers and quality engineers, for comprehensive product development that drives continuous improvement. At Sibedge, we believe in strong partnerships. Our process includes understanding your needs, building dedicated teams, and managing smooth transitions to ensure your success. Choose Sibedge for your software development needs and watch your business thrive.
View Sibedge Profile
$25-$49/hr
$10,000+
50 - 249
Cupertino, USA
5.0 (1 Reviews)
20
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
20
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Delivering Innovative Solutions
Xavor Corporation is a multinational technology and management consulting company that was founded in 1995 with the goal of providing cutting-edge tech solutions to both startups and Fortune 500 companies. Although we have experience with web and mobile app development, Oracle Agile PLM, and Microsoft 365 technologies, we are now focused on utilizing AI and robotics to transform the healthcare sector. Based in Irvine, Shanghai, and Lahore - 44+ R&D Labs - 500+ Clients Served - 200+ Engineers and Experts - 1500+ Successful Projects - 88+ PhD Researchers & Thought Leaders - Microsoft Gold Partner - AWS Partner - Salesforce Consulting Parter
View Xavor Corporation Profile
$25-$49/hr
$10,000+
50 - 249
Irvine, USA
Verified Client Review
Agile-PLM Tool Dev for Cardiac Monitoring Solutions Company
Reviewed by: Dan Tylutki, COO at Cardiac Insight, Inc View all 1 Reviews
0.0 (0 Reviews)
0.0 (0 Reviews)
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Nearshore Software Development | 500+ Active Clients
BairesDev is an award-winning nearshore software development company trusted by 500+ clients, including Google, Pinterest, Adobe, J&J and more. Access 4,000 senior software engineers, experienced in 100+ technologies and programming languages. Choose from three flexible engagement models: staff augmentation, software development teams, and end-to-end software outsourcing. We’ve completed 1,200+ projects since 2009 for clients across 100s of industry sectors.
View BairesDev Profile
$50-$99/hr
$50,000+
1,000 - 9,999
San Francisco, USA
0.0 (0 Reviews)
0.0 (0 Reviews)
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Powering Global Innovation with Tailored Enterprise Solutions
For more than 20 years, 3DEX Inc., a reputable partner in software development and innovation, has its headquarters in California, USA. Originally founded to support its sister businesses, 3DEX swiftly grew both its clientele and its product line, becoming a full-service provider of software solutions for both domestic and international markets. We now service a broad range of industries, including healthcare, e-commerce, logistics, banking, and many more, and have a significant presence in places like Dubai, China, the Middle East, and the United Kingdom. Our multidisciplinary team of professionals provides innovative technology solutions that revolutionize industries. By using cutting-edge technology to solve difficult problems, 3DEX aims to improve businesses through everything from sophisticated AI and quantum computing projects to reliable software applications.
View 3DEX Profile
$100-$149/hr
$1,000+
10 - 49
Irvine, USA
0.0 (0 Reviews)
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Creating Website Design & Development That Converts!
A top agency in the US and the UK, Pure Website Design builds responsive, unique websites that boost engagement and conversions. Our team is committed to building reliable, error-free websites with a smooth user interface and user experience that guarantee top performance on all devices. Being a top web design company, we provide a wide range of services. Our top-notch services, which include SEO-friendly websites, mobile-friendly and responsive designs, advanced conversion optimization, and custom web design and development, are intended to help clients in all industries grow and achieve their goals.
View Pure Website Design Profile
$50-$99/hr
$1,000+
50 - 249
Palo Alto, USA
0.0 (0 Reviews)
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Mobile and Web App Design and Development Experts
The creative firm SPARK6 creates and develops specialized enterprise software, mobile apps, and websites. We enjoy collaborating with both new and established businesses. Designing and creating goods for the Bill & Melinda Gates Foundation, eBay, Beyoncé (Cécred), Dollar Shave Club, AT&T, PayPal, BBDO, The Getty Foundation, Penske, and SoFI has been an immense pleasure for us.
View SPARK6 Inc Profile
$150-$199/hr
$10,000+
10 - 49
Santa Monica, USA
0.0 (0 Reviews)
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Enterprise Growth Consultants
Technossus is a tech development and consulting company that helps businesses expand by maximizing their operational technologies, boosting sales, and enhancing customer satisfaction. We have been offering top-notch business consulting and enterprise software development services for more than 16 years. We assist global innovators get real-world returns on their technology investments by using data and analytics.
View Technossus Profile
$150-$199/hr
$25,000+
250 - 999
Newport Beach, USA
0.0 (0 Reviews)
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
IT consulting done correctly!
Diatom Enterprises is a leading custom software development company based in Latvia, originally founded in Canada. With over 18 years of experience, we specialize in delivering high-quality, scalable software solutions for businesses across industries worldwide. Our expertise spans .NET, Blazor, JavaScript, React, Angular, Node.js, and Ruby on Rails, empowering us to build dynamic web, mobile, and desktop applications tailored to client needs. At Diatom Enterprises, we blend innovation, technical excellence, and affordability to help businesses accelerate digital transformation. Trusted globally, we believe in long-term partnerships—many of our clients have grown into friends through years of successful collaboration and shared success.
View Diatom Enterprises Profile
$25-$49/hr
$10,000+
50 - 249
Walnut Creek, USA
0.0 (0 Reviews)
15
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
15
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Marketing for Digital Natives
As a world leader in digital services, Grazitti Interactive transforms organizations via the use of social media, cloud, mobile, and artificial intelligence technology. Grazitti has been enabling businesses with cutting-edge SaaS products, services, and solutions since 2008. We have enabled more than 1100 different clients, including Fortune 500 giants, fervent non-profits, and agile SMEs, thanks to our dynamic staff of more than 1200 tech experts spread across the US, India, Australia, Canada, and Singapore.
View Grazitti Interactive Profile
$25-$49/hr
$10,000+
1,000 - 9,999
Mountain View, USA
5.0 (72 Reviews)
Verified
Look for SF Verified Agencies
Verified agencies on SelectedFirms have passed credibility checks confirming they are legitimate businesses with a proven digital presence. Explore Verification Process
and has 5+ verified reviews
5.0 (72 Reviews)
0
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
0
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Most Preferred
with active, well-maintained profiles that meet
SelectedFirms' quality and trust standards.
Empowering Digital Commerce Transformation
We are Magneto. A team of digital commerce experts working with manufacturers, wholesalers and retailers globally, turning ideas into unique customer & content-centric experiences, using a platform-agnostic approach. Since 2010, we have been architecting digital commerce solutions for our clients providing innovative solutions, managing delivery and accelerating the speed at which leading B2B, B2C, D2C and marketplace brands can scale with flexibility their online offerings. We empower enterprises with industry-leading composable commerce solutions through a range of partners which offer PIM, DAM, OMS, MDM, DEM, CRM, CX, omnichannel sales, and marketing business needs. We push ourselves. We push technology. And we push the boundaries of conventional commerce.
See all 7+ Portfolios
$25-$49/hr
$25,000+
50 - 249
New York, USA
Verified Client Review
CRM & Web Development for Promotional Products Company
Reviewed by: Meizi Yu, Production & Logistics at Product Media Group View all 72 Reviews
Why Companies Trust SelectedFirms?
SelectedFirms bridges the gap between businesses and digital service providers as a trusted B2B research and listing platform. With the trust of 14,000+ companies and a growing community of 1M+ users, we empower businesses with reliable insights to make confident decisions.
Human-verified companies
We manually review companies to ensure they meet our quality standards before they appear on the platform.
Research-driven rankings
We rank companies using a clear ranking methodology based on real client feedback, expertise, market credibility, and how well teams execute — not hype.
Always up-to-date insights
We regularly refresh listings with new reviews, portfolio updates, and market changes to keep decisions relevant.
Verified credibility signals
From verified badges to editorial reviews, we highlight companies that show real commitment to quality and transparency.
