Best Flutter Companies in California

Are you looking for the right Flutter company in California? Here’s the kicker: Flutter can be mission-critical for your app’s success because a single codebase, fast iteration, and near‑native performance mean speed, consistency, and lower risk. But with so many agencies shouting, how do you spot the real deal? Since Flutter projects can make or break timelines and budgets, it’s essential to do data‑driven research on your ideal partner.

That’s where ITProfiles comes in. We connect you with the right California‑based Flutter agency using the ITP Score, our data scan across the web to find 16 companies, delivering an unbiased list, neutral expert analysis, and pros and cons for every company.



Recent white-glove matches:

A Swedish startup matched with 2 agencies that required a HIPAA-compliant tool for their app
A US nonprofit organization connected with 2 agencies for a donor management platform
An Australian eCommerce brand matched with 5 agencies to migrate their store to Shopify Plus
A Canadian logistics company connected with 3 agencies for a custom fleet management platform
A Denver-based SMB connected with 3 agencies for their automation project
A UK fintech startup connected with 4 agencies to build a secure customer onboarding platform
A Netherlands-based startup matched with 3 agencies to develop an AI-powered document processing application
A UAE real estate firm matched with 2 agencies to develop a property management and CRM system
A German manufacturing company connected with 2 agencies for an AI-powered predictive maintenance solution
A California healthcare provider matched with 3 agencies for a patient portal modernization project

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Best-Rated Flutter Service Providers in California

19 Companies Showing Top 19 Flutter Companies In California Updated on October 27, 2026 Editor:
    Sneh Jadeja
Every agency on ITProfiles is evaluated for expertise and client feedback to help you make informed decisions. See how we rank companies
  • Custom Mobile & Web Applications | Based in USA

    75+ Mobile Apps Shipped. 12+ Apps Featured by Apple & Google. 20M+ Downloads.
    Flutter, React Native, Node.js, JavaScript
    • Founded in 2014
    • 21-50 Members
    • $50 - $99/hr
    • $10,000 to $25,000

    Industries Specialization

    Travel 3%

    Transportation 3%

    Startup 4%

    Sports 5%

    Insurance 5%

    • InstaStylin Personal Styling App

      InstaStylin Personal Styling App

    • goodDeeds Mobile Giving Platform

      goodDeeds Mobile Giving Platform

    • Jetbay Private Jet Charter Platform

      Jetbay Private Jet Charter Platform

    • SHRED Fitness App

      SHRED Fitness App

    • Get Cover

      Get Cover

  • Enterprise Product Development, AI and Data Engineering Experts

    Radixweb delivers an extensive range of digital and technology services, including mobile app and web development, eCommerce platforms, virtual reality applications, and AI-integrated solutions. The company focuses on blending creativity with technical precision to produce experiences that engage, scale, and perform. Whether developing immersive VR experiences, custom eCommerce portals, or robust APIs for seamless integration, Radixweb’s multidisciplinary teams ensure that every solution aligns with the client’s growth objectives. Their diverse expertise across modern frameworks, cloud ecosystems, and automation tools helps businesses accelerate innovation and achieve measurable ROI.
    Flutter, .NET, Android App Development, Node.js
    • Founded in 2000
    • 501-1000 Members
    • $25 - $49/hr
    • $25,000 to $50,000

    Enterprise Product Engineering: India (5.0 Stars, 3000+ Clients)

    Enterprises and mid-market organizations needing scalable engineering teams for product development, AI implementation, or data engineering. Best suited for projects requiring cross-domain experience and established delivery processes.

    Client Type

    Mid-Sized Businesses 25%

    Large Enterprises 25%

    Startups 30%

    Small Businesses 20%

    Industries Specialization

    Legal 20%

    Insurance 20%

    Healthcare 20%

    Financial Services 20%

    Education 20%

    radixweb.comhomepage

    radixweb.comhomepage

    Why Hire Them?

    Radixweb is trusted globally for its ability to deliver versatile, high-impact technology solutions that bridge innovation with business goals. What distinguishes the company is its holistic approach to digital transformation, combining design, development, and deployment with precision and scalability.

    Their teams work closely with clients to understand both the functional and emotional aspects of digital experiences, ensuring every project delivers measurable business value.

    The company’s strength lies in its cross-domain expertise, covering mobile, web, e-commerce, virtual reality, AI, and blockchain technologies. This diversity allows the company to build integrated ecosystems rather than isolated solutions, enabling clients to stay ahead in a fast-evolving digital landscape. Their emphasis on transparency, agile collaboration, and adaptive scaling ensures each project is handled with efficiency and care.

    Radixweb’s design-first philosophy ensures intuitive user experiences, while their engineering depth guarantees high performance and reliability. From immersive VR solutions to secure API frameworks and AI-driven business tools, the company maintains a consistent standard of innovation and quality.

    Moreover, clients value their proactive communication, quick turnaround times, and readiness to adopt new technologies, making Radixweb a long-term partner for sustainable digital growth.

    Success Story

    Radixweb partnered with a European retail brand to build a unified online storefront integrating AI-driven recommendations and a responsive web interface. The solution increased online engagement by 40% and conversion rates by 25%. The client highlighted Radixweb’s design expertise, responsiveness, and clear communication throughout the project.

  • AppCrops
    Los Angeles, United States

    Turning your Vision into Powerful Digital Experiences

    AppCrops is a software development company dedicated to building scalable, high-performance digital products for startups, growing businesses, and established enterprises.
    Flutter, Frontend Development, Cross Platform, Backend Development
    • Founded in 2022
    • 51-100 Members
    • $50 - $99/hr
    • $5,000 to $10,000

    Industries Specialization

    Social 10%

    Logistics 10%

    Hospitality & Leisure 10%

    GPS, Navigation & GIS 10%

    ERP 10%

    • Cal AI - Smart Calorie and Food Tracking App

      Cal AI - Smart Calorie and Food Tracking App

  • Award Winning Digital Transformation, Built for You

    Capital Numbers designs and develops mobile apps that combine elegant UI with reliable engineering. They build both native and cross-platform apps, helping clients deliver consistent experiences across iOS and Android ecosystems.
    Flutter, Node.js, AI Development, React Native
    • Founded in 2012
    • 501-1000 Members
    • $10 - $24/hr
    • $5,000 to $10,000

    Publicly Listed Offshore Partner for Regulated Enterprises

    Capital Numbers suits mid-to-large enterprises that require an offshore development partner with auditable compliance standards (ISO, SOC 2, BSE-listed) and certified platform expertise (Salesforce, Adobe, Microsoft). Their public company status reduces vendor risk for organizations with strict procurement requirements.

    Client Type

    Mid-Sized Businesses 70%

    Large Enterprises 30%

    Industries Specialization

    Logistics 20%

    Retail 20%

    Manufacturing 20%

    Financial Services 20%

    Education 20%

    capitalnumbers.com

    capitalnumbers.com

    Why Hire Capital Numbers Infotech

    • Expertise in Flutter and React Native.
    • Focus on usability, speed, and long-term performance.
    • Integrates apps with custom APIs and backend systems.
    • Offers end-to-end mobile lifecycle services, from design to deployment.
    • Experienced in multi-sector app delivery, including retail and enterprise mobility.
    • Stock Market Analysis Platform Modernization

      Stock Market Analysis Platform Modernization

    • AWS Optimization for an Online Education Platform

      AWS Optimization for an Online Education Platform

    • Smarter Radiology Reports with AI

      Smarter Radiology Reports with AI

    • Modular Hotel Booking System

      Modular Hotel Booking System

    • Tour Booking Platform Development

      Tour Booking Platform Development

  • Your Technology Partner

    SDLC Corp is a full-spectrum software engineering and technology company founded in 2015 and headquartered in Illinois, USA.
    Flutter, AI Development, Gambling, Mobile Game Development
    • Founded in 2015
    • 1001-2000 Members
    • $25 - $49/hr
    • $10,000 to $25,000

    Client Type

    Startups 45%

    Small Businesses 15%

    Mid-Sized Businesses 40%

    Industries Specialization

    Telecommunications 5%

    Productivity 20%

    Legal 7%

    Hospitality & Leisure 5%

    Gaming 20%

    • Automated Invoice Email Routing for Liladhar Pasoo

      Automated Invoice Email Routing for Liladhar Pasoo

    • AI Assistant Implementation for Hotel Operations

      AI Assistant Implementation for Hotel Operations

    • Praxis AI for Training Certification Management

      Praxis AI for Training Certification Management

    • Odoo Retail Development Support for KISS USA

      Odoo Retail Development Support for KISS USA

    • AI Invoice Automation for Transworld Logistics

      AI Invoice Automation for Transworld Logistics

  • Probey Services
    Los Angeles, United States

    Shaping the Future of Business

    Probey Services delivers mobile app development as a core service line, building both native and cross-platform apps for iOS and Android. Their website states they provide Android app development, iOS app development and Flutter/cross-platform solutions. With their headquarters in London and global presence including a development centre in India they handle apps for startups through enterprises.
    Flutter, Android App Development, iPhone App Development, ReactJS
    • Founded in 2016
    • 1001-2000 Members
    • $10 - $24/hr
    • < $5,000

    Industries Specialization

    Transportation 10%

    Startup 10%

    Real Estate 10%

    Productivity 10%

    Manufacturing 10%

    probeyservices.comhomepage

    probeyservices.comhomepage

    Why Hire Them?

    • They offer a wide tech stack like React Native, Flutter, Kotlin, Swift, Java and support both native and hybrid app development. 
    • Their global delivery model like UK HQ, development centre in India, multiple branches gives scalability and cost flexibility while maintaining London-based client liaison. 
    • Their promotional material emphasises user-first design “seamless user experiences”, strong backend integration and testing regimes. 
    • If you need a mobile app as part of a broader platform web, e-commerce, back-office they appear capable to handle full lifecycle rather than just app UI.

    Success Story

    While a highly detailed metric-based case study is not publicly highlighted, their Clutch‐profile lists a “Mobile App Development Package” offering with examples:

    “Android App Development for Cityfurnish Furniture” among others. 

    This suggests they have delivered mobile apps for retail/consumer clients globally.

    • Coexivity

      Coexivity

    • Cherry Bekaert

      Cherry Bekaert

    • Girls who code

      Girls who code

    • House of Chikankari

      House of Chikankari

    • Cinnamon Kitchen

      Cinnamon Kitchen

  • Experience Technology

    Vrinsoft Technology is an Ahmedabad-based IT services company delivering mobile apps, web applications, eCommerce solutions, VR applications, custom software, blockchain systems and API-driven platforms. Since 2009, the company has worked with global clients and positions itself as a full-cycle development partner offering design, development, integration and ongoing support. Their capabilities span modern frameworks, cross-platform mobile technologies, backend engineering and emerging tech, enabling them to deliver scalable digital products for startups, SMEs and enterprises across multiple industries.
    Flutter, Android App Development, Backend Development, Frontend Development
    • Founded in 2009
    • 101-200 Members
    • $10 - $24/hr
    • $10,000 to $25,000

    Global Technology: 5-Country Development Presence

    Best for organizations needing a technology partner with distributed global teams and multi-country delivery capability. Vrinsoft's offices in LA, Riyadh, Melbourne, London, and Kuwait provide broad geographic coverage for international projects.

    Client Type

    Startups 20%

    Small Businesses 20%

    NGOs/Non-Profit 20%

    Mid-Sized Businesses 20%

    Large Enterprises 20%

    Industries Specialization

    Travel 10%

    Sports 10%

    Smart TV 10%

    Real Estate 10%

    Logistics 10%

    www.vrinsofts.comhomepage

    www.vrinsofts.comhomepage

    Why Hire Vrinsoft Technology?

    • Wide coverage of technologies, including mobile, e-commerce, VR, blockchain, software, and backend development.
    • Experience across global markets with multi-industry project exposure.
    • Ability to deliver end-to-end solutions from UI/UX to deployment and maintenance.
    • Suitable for clients wanting one vendor for complete digital product development.
    • Strong multi-stack capability enabling cross-platform delivery and integrations.
  • Azumo
    San Francisco, United States

    Nearshore Software Development

    Azumo is a technology company based in San Francisco, CA, that specializes in providing innovative solutions in the fields of Virtual Reality, Artificial Intelligence, Web Development, Staff Augmentation, Software Development, and Development.
    Flutter, ReactJS, .NET, NextJS
    • 51-100 Members
    • $25 - $49/hr
    • $10,000 to $25,000
  • Wunderdogs
    San Francisco, United States

    Wunderdogs is a dynamic creative agency based in the vibrant city of San Francisco, CA. We are a team of passionate individuals dedicated to helping businesses elevate their brand presence and digital experiences.
    Flutter, React Native, Wordpress, Other Frameworks and CMS
    • 21-50 Members
    • $100 - $149/hr
    • $5,000 to $10,000
  • Turing
    Palo Alto, United States

    Turing, headquartered in Palo Alto, CA, is a cutting-edge technology company that specializes in providing innovative solutions to businesses worldwide.
    Flutter, Ruby on Rails
    • 201-500 Members
    • $50 - $99/hr
    • $50,000 to $75,000
  • Facet Interactive is a top-tier technology company based in El Segundo, CA, offering a wide range of innovative solutions to meet the evolving needs of businesses.
    Flutter, Drupal, ReactJS, Node.js
    • 21-50 Members
    • $100 - $149/hr
    • $25,000 to $50,000
  • Eatcaviar
    Bonita, United States

    Eatcaviar is a creative agency based in Bonita, CA, specializing in a range of services to help businesses establish a strong online presence and elevate their brand identity.
    Flutter, ReactJS, Wordpress, Other Frameworks and CMS
    • 21-50 Members
    • $100 - $149/hr
    • $10,000 to $25,000
  • ActiveColor
    Los Angeles, United States

    LA Digital Agency: Web Design, Development & UX

    ActiveColor is a Los Angeles, CA-based digital agency offering web design, web development, software development, and UX services. For Southern California companies seeking a locally based partner for web and software projects, ActiveColor provides full-stack capabilities with West Coast accessibility.
    Flutter, Node.js, Wordpress, VueJS
    • 2-10 Members
    • $150 - $199/hr
    • $25,000 to $50,000

    LA Digital: Web Design, Development & UX

    Best for Southern California businesses needing web design, web development, software development, and UX services from a locally based partner. ActiveColor provides full-stack digital capabilities with West Coast accessibility.

    Full-Stack LA Digital Capability

    Covering design, development, and UX, ActiveColor provides true end-to-end digital service from a single LA-based team. This full-stack capability eliminates the coordination challenges of splitting creative and technical work across different vendors.

    Southern California Market Access

    Los Angeles-based with direct access to the Southern California business community. For LA-area companies, working with a local digital partner means convenient collaboration and market-relevant strategies.
  • Campground
    Carlsbad, United States

    Campground, nestled in the vibrant city of Carlsbad, CA, is a creative powerhouse dedicated to bringing your vision to life.
    Flutter, React Native, Other Frameworks and CMS, Django
    • 2-10 Members
    • $200 - $300/hr
    • $10,000 to $25,000
  • Wpromote
    El Segundo, United States

    Wpromote, located in El Segundo, CA, is a leading digital marketing agency that offers a comprehensive range of services to help businesses thrive in the online landscape.
    Flutter, ReactJS, Wordpress, Django
    • 201-500 Members
    • $150 - $199/hr
    • $10,000 to $25,000
  • 47Billion
    Santa Clara, United States

    Located in the bustling tech hub of Santa Clara, CA, 47Billion is a leading company specializing in a wide range of innovative services to cater to the digital needs of businesses.
    Flutter, ReactJS, Node.js, Other Frameworks and CMS
    • 51-100 Members
    • $25 - $49/hr
    • $5,000 to $10,000
  • Data Monsters
    Palo Alto, United States

    Data Monsters is a cutting-edge technology company based in Palo Alto, CA, specializing in a wide range of services to meet the diverse needs of our clients.
    Flutter, Other Frameworks and CMS, Node.js, React Native
    • 51-100 Members
    • $100 - $149/hr
    • $25,000 to $50,000
  • RemoteReps
    Encinitas, United States

    RemoteReps, located in Encinitas, CA, is a leading technology company that specializes in a wide range of services to help businesses thrive in the digital world.
    Flutter, Other Frameworks and CMS, React Native, Django
    • 1001-2000 Members
    • $10 - $24/hr
    • < $5,000
  • Located in Vista, CA, The Smyth Group is a powerhouse in the world of technology and innovation. As a company that prides itself on staying ahead of the curve, we specialize in Artificial Intelligence, Software Development, and User Experience.
    Flutter, ReactJS, Node.js, VueJS
    • 21-50 Members
    • $25,000 to $50,000

Struggling to choose? Let us help.

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