Top Swift App Development Companies in California

Discover top swift app development companies in California. Compare reviewed agencies, portfolios, pricing, and services to hire the best Swift App Developers for your project.
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4.9 out of 5, based on 357 real reviews.
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List of the Best Swift App Development Agencies and Swift App Developers in California

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

109 Companies

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2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
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Expertise Distribution (%)
  • 20% Mobile App Development

  • 20% Ecommerce Development

  • 10% Software Development

  • 10% Web Development

  • 10% Web Design

  • 10% IT Services

  • 10% Artificial Intelligence

  • 10% Cloud Computing Services

Driven by technology, designed for people, built to last

We are a results-driven technology company based in California, specializing in cloud transformation, custom software development, and big data analytics. By combining advanced engineering with data-driven insights, we help businesses scale efficiently and achieve measurable growth. Our expertise spans cloud security, mobile app development (iOS & Android), software testing, and IT consulting. We also provide end-to-end cloud migration services and analytics solutions to optimize operations and drive informed decision-making. Focused on innovation and execution, we deliver scalable, secure, and high-performance digital solutions that empower businesses to stay ahead in a competitive marketplace.

View Jaxel Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Pleasanton, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Mobile App Development

  • 10% Web Design

  • 10% Internet of Things

  • 10% Artificial Intelligence

  • 10% Cloud Computing Services

  • 10% Ecommerce Development

  • 10% Web Development

  • 10% Software Development

  • 10% IT Services

An AI Agent Engineering Company

Kwanso is a leading design and development consultancy specializing in bringing product visions to life. With over a decade of experience, we have successfully partnered with Fortune 100 companies, startups, digital agencies, and mid-sized enterprises. Acting as a trusted technology partner, we provide agile, high-performing teams to deliver projects on time and within budget. Our expertise spans web and mobile app development, UI/UX design, generative AI solutions for enterprises, Internet of Things (IoT) applications, and comprehensive QA testing. Kwanso empowers businesses to innovate, scale efficiently, and create impactful digital products that drive measurable results.

View Kwanso LLC Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$25,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

San Francisco, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Mobile App Development

  • 20% Software Development

  • 20% Web Development

  • 10% Web Design

  • 10% Artificial Intelligence

  • 10% Digital Marketing

  • 10% Ecommerce Development

Form Follows Function

IMRepublic, founded in 2005 with offices in San Francisco, CA, and Belgrade, Serbia, is a full-stack software development and design agency delivering tailored digital solutions for businesses of all sizes. We specialize in custom software development, enterprise systems, and process optimization to help clients achieve measurable growth. Our client-focused approach combines assessment, design, development, and optimization. We collaborate closely with your team to align technology solutions with business goals, leveraging the latest globally-adopted frameworks and languages while respecting your existing infrastructure. From backend, frontend, and middleware development to complex enterprise integrations, our experienced team advises on the most efficient technology stack to maximize ROI. Whether you need custom software to solve unique business challenges or enhancements to existing systems, IMRepublic provides agile, reliable, and scalable solutions that drive results and streamline operations. We are committed to client success, delivering innovative, high-quality software that boosts performance and revenue.

View IM Republic, Inc Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

San Francisco, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Mobile App Development

  • 10% Web Development

  • 10% Web Design

  • 10% IT Services

  • 10% Artificial Intelligence

  • 10% Product Engineering services

  • 10% CMS

  • 10% Software Development

  • 10% Cloud Computing Services

Let's build something great together.

Plus8Soft is a global software development company helping startups and enterprises build, scale, and modernize digital products using cutting-edge technologies and flexible engagement models. Our distributed team of engineers, product experts, and project managers delivers high-quality, cost-effective solutions across industries. We go beyond coding—acting as a true technology partner by aligning with your goals, integrating with your workflows, and providing strategic insights that accelerate product success. From MVP development and team augmentation to legacy system modernization, we deliver scalable, future-ready solutions. With a strong focus on Agile development, transparency, and continuous improvement, Plus8Soft ensures predictable delivery and measurable outcomes—empowering businesses to innovate faster and grow with confidence.

View Plus8soft Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Palo Alto, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Mobile App Development

  • 20% Web Development

  • 20% Web Design

  • 20% Digital Transformation

  • 20% Artificial Intelligence

BUILD FASTER

ClearSummit is a Los Angeles-based software development agency delivering scalable web, mobile, and digital platform solutions for startups and enterprise clients. Built on strong engineering principles—test-driven development, high code coverage, linting, and visual regression testing—our team ensures clean, maintainable, and future-ready code. We specialize in front-end development, back-end architecture, mobile app development, and UX/UI design, creating high-performance applications that evolve with your business. From rapid prototyping to full-scale platform development, we help companies move seamlessly from alpha to beta and launch production-ready products. Our client-first approach focuses on long-term partnerships, transparency, and eliminating technical debt to reduce costs and improve efficiency. ClearSummit delivers reliable, scalable, and user-centric digital experiences designed for growth, speed, and performance—empowering businesses to innovate and succeed in competitive markets.

View ClearSummit Profile
Inside Service Listing

$100-$149/hr

Hourly Rate
Inside Service Listing

$25,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Santa Monica, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Mobile App Development

  • 20% Ecommerce Development

  • 20% Software Development

  • 10% Web Development

  • 10% Web Design

  • 10% Artificial Intelligence

  • 10% CMS

Unleash Agility: Your Trusted Partner for Outsourcing

Native DevOps is a global digital transformation partner delivering advanced software development, mobile applications, and scalable web solutions. With 7+ years of experience and over 250 successful projects, we help startups, SMEs, and enterprises modernize operations and accelerate digital growth. Our expertise spans UI/UX design, custom software development, and full-stack engineering using modern technologies like React, Angular, Vue.js, Node.js, and Golang. We build high-performance mobile apps for iOS and Android using Swift, Kotlin, and cross-platform frameworks such as Flutter and React Native. We also specialize in web and CMS development (PHP, Laravel), Progressive Web Apps (PWA), and next-gen solutions including Web3, blockchain, and NFT platforms. Our eCommerce capabilities cover Shopify, WooCommerce, and Shopware, delivering conversion-focused online stores. In addition, we offer flexible staff augmentation models to scale your development team efficiently. Partner with Native DevOps to leverage innovative, secure, and future-ready digital solutions that drive efficiency, enhance user experience, and deliver measurable business results.

View Native DevOps Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Los Angeles, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Mobile App Development

  • 20% Software Development

  • 20% Web Development

  • 20% Web Design

  • 10% Artificial Intelligence

  • 10% Cloud Computing Services

Business solutions, tailor-made.

LANEX Corporation is a full-cycle software development company delivering custom digital products for startups and global enterprises. With deep expertise across Node.js, React, Angular, Laravel, .NET, Java, Flutter, Kotlin, and cloud platforms including AWS and Kubernetes, LANEX builds scalable, secure solutions tailored to each client's technology requirements and business objectives. Serving industries from banking and healthcare to retail, logistics, and energy, their agile teams bring domain-specific knowledge that accelerates delivery and reduces risk. LANEX's end-to-end offering—from UI/UX design through to post-launch support—ensures digital products are not only technically sound but built to elevate brand credibility and deliver exceptional user experiences at scale.

View LANEX Corporation Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$25,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

San Francisco, USA

Location

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2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Mobile App Development

  • 20% Software Development

  • 20% Web Development

  • 20% Web Design

  • 20% Cloud Computing Services

ENJOY THE JOURNEY TO YOUR SUAPPERNOVA

Attractor Software LLC is a custom software development company providing reliable outsourcing services since 2012. We deliver scalable, high-quality solutions for startups and enterprises, handling projects of all sizes—from data visualization tools and web applications to complex eCommerce platforms and fintech systems. Our core services include MVP development for startups, SaaS applications, fintech solutions, business intelligence systems, CRM/HRM platforms, social networks, and enterprise-grade eCommerce marketplaces. We also build navigation apps and innovative VR solutions for business use. With expertise across modern technologies such as React, Angular, Node.js, Python, Ruby on Rails, Golang, Laravel, and Flutter, we develop robust web and mobile applications tailored to your needs. Our team uses agile methodologies and industry-leading tools to ensure efficient project management, transparent communication, and timely delivery. Attractor Software focuses on delivering secure, scalable, and performance-driven digital products—helping businesses innovate, optimize operations, and achieve long-term success.

View Attractor Software LLC Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$10,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Los Angeles, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Mobile App Development

  • 20% Ecommerce Development

  • 20% Web Development

  • 20% CMS

  • 20% Web Design

Complex Checkout Framework and Custom Integration Engineers

Tivix is a prominent digital product engineering company specializing in complex custom software architecture, advanced transactional workflows, and deep API integrations for enterprise D2C merchants. Their massive engineering squad builds bespoke checkout microservices, high-speed product mapping engines, and secure data routing platforms that operate alongside standard commerce systems. They integrate online channels directly with complex corporate supply chain software, automated multi-currency financial ledger modules, and localized global warehousing portals. Their technical builds provide high-volume direct-to-consumer enterprises with absolute data consistency and system uptime.

View Tivix Profile
Inside Service Listing

$100-$149/hr

Hourly Rate
Inside Service Listing

$50,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

San Francisco, USA

Location

Need help choosing a company?

Share your project requirements and we’ll connect you with the best-matched swift app development companies – for free.

Get Matched Now
listing_banner_img
  • 100% Free

    No obligation and no hidden fees
  • Save Time

    We match you with the right companies
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    Get help from our research experts
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