All .NET Development Companies in California
Idea Usher
4(5 reviews)Ushering in Innovation
RecommendedIdea Usher is a premier tech solution provider, offering a full spectrum of next-generation digital solutions to startups, Fortune 500 companies, and enterprises worldwide. With offices across the USA, UK, Canada, and India, we are dedicated to transforming client visions into impactful digital realities. Our mission is clear: to harness the power of cutting-edge technology in AI, Blockchain, Web3, and Tokenization, driving growth and creating solutions that matter. With over 11 years of experience, we have successfully delivered more than 1000 projects across 50+ countries, empowering 500+ clients to thrive in today’s digital landscape. Our expertise spans custom app development, legacy system modernization, and innovative tech deployments tailored to each client's needs. Our team of 250+ seasoned professionals—including developers, engineers, designers, and digital strategists—is proficient in 35+ tools and languages, ensuring each project is built on a foundation of innovation, quality, and functionality. By integrating sleek design with advanced technology, we craft human-centered UI/UX experiences that stand out in the market. Customer satisfaction is at the heart of what we do, and we are dedicated to delivering excellence in every project. We’ve partnered with leading brands like BuzzTime, Gold’s Gym, Share My Ride, Payhoo, huBear, and Mediport, building a track record of trust and reliability.Looking for work in .NET DevelopmentLocated in Mountain View, United States (+1)From €1,000 for .NET DevelopmentWorked in Sports (+1)Speaks English, Hindi201-500 membersRhillane
5(22 reviews)Grow Big, Grow Right.
Highly recommendedTop awardedAt Rhillane, we don’t just market your brand—we ignite its full potential. As a full-service digital marketing powerhouse, we’ve helped over 615 clients worldwide, delivering +50 million dollars in client revenue and managing 15+ million dollars in ad spend. From dynamic web design and UI/UX to game-changing SEO, social ads, 2D/3D animation, and lead-generating email campaigns, our multidisciplinary experts ensure every aspect of your online presence works together to drive extraordinary growth. Our results speak louder than words. With 280 Meta Ads clients, a proven track record of +80% campaigns achieving a ROAS of 7 or higher, and a 96% client satisfaction rate, we combine cutting-edge tools, creative brilliance, and deep analytics to create tailor-made campaigns that don’t just attract clicks—they build connections. Whether it’s crafting scroll-stopping social content, executing high-ROI ad campaigns, or designing sleek, user-focused websites, our work is designed to captivate, convert, and keep your audience coming back. At Rhillane, we’re more than a digital agency—we’re your growth partner. With us, you gain access to bold ideas, strategic expertise, and a team passionate about pushing your brand to new heights. Join the ranks of top-performing businesses we’ve transformed, and let’s write your success story together. Your breakthrough starts here.Looking for work in .NET DevelopmentLocated in Torrance, United States (+2)From €1,000 for .NET DevelopmentWorked in Clothing & Accessories (+16)Speaks English, Arabic(+2)11-50 membersTRIARE
4.9(11 reviews)TRIARE unlocks IT potential of YOUR business
TRIARE is a WEB and MOBILE software development company based in Europe. We are delighted to offer our services as your long-term partner, taking all technical matters off your shoulders and allowing you to focus on your business development. YOU WILL GET: ✔ In-house team . Work with a dedicated team that is 100% focused on your product and located in the same office. ✔ Efficiency & transparency , as our process is based on Scrum methodology and managed by certified Scrum Masters. ✔ Fast result. Working with us, you will get the first result in 1 week. ✔ High quality, as TRIARE has well-established processes of software development and experienced specialists. ✔ Full cycle development . Our company covers all stages of development, handling everything from Discovery and prototyping to Design, development, and maintenance. ✔ IP rights . From the very beginning, you are the only owner of the intellectual property of your project materials: source code, design, documentation, etc. ✔ Warranty period will be provided for your system for free. ASPECTS OF OUR MINDSET: - Focused on results. We are focused on the result of your business with an understanding of the real goals and KPIs that our team should achieve. - Solution Provider. It means that we always come to you with solutions, not with questions. We take all technical aspects of the project off your shoulders, allowing you to focus on the marketing and business strategies. - We go the extra mile. Being a proactive company, we always think and take a step ahead. TECHNOLOGIES WE USE: - Mobile app development: Kotlin, Java, Swift, Objective-C. - Cross-platform development: Flutter, React Native. - Web frameworks: Node.JS, React.JS, PHP, Ruby on Rails.Looking for work in .NET DevelopmentLocated in Fairfax, United States (+3)From €10,000 for .NET DevelopmentWorked in Hospitals & Healthcare (+18)Speaks English, Ukrainian51-200 membersScopic Software & Scopic Studios (Marketing Agency)
5(4 reviews)🚀 Your Cost-effective, Cross-continental, Digital Innovation Partner
Top awardedUnlock the full potential of your business with Scopic and Scopic Studios — sister companies combining the power of innovative software development with strategic digital marketing. Scopic delivers cutting-edge custom solutions across web, mobile, desktop, and cross-platform technologies. Together with our digital marketing division, Scopic Studios, we offer a unique end-to-end approach: from ideation and development to growth-focused promotion and lead generation. With over 1,000 products launched and deep specialization in B2B, SaaS, healthcare, and technology brands — and more, we cover the full product lifecycle helping you scale smarter , faster , and profitably . From launching new digital products to scaling established brands, our mission is simple: maximize your return on investment by building exceptional solutions and ensuring they reach, convert, and retain the right audience. Why Work With Us: ✔ Over 1,000 Digital Products Built – Proven experience across industries and platforms ✔ Custom Software Solutions – Tailored development with AI, cloud, and cross-platform expertise ✔ Full-Funnel Marketing Strategies – SEO, Google Ads, Social Media, Content Marketing, and Lead Generation ✔ Creative Design Services – Engaging, user-centered design that drives impact ✔ From Code to Conversion – We don’t just build, we market, grow, and scale your product Certified and Trusted Across Platforms: 🚀 Google Certified Partner 🚀 HubSpot Certified Specialists 🚀 Semrush Certified Experts 🚀 AWS Advanced Tier Partner 🚀 Google Cloud Partner Our international team holds recognized certifications from industry-leading platforms and partners, ensuring your campaigns, products, and digital presence are managed with cutting-edge expertise and global best practices. Our Origin Story: Scopic Studios began as an in-house service within Scopic Software, supporting the launch and growth of hundreds of digital products. As our marketing expertise expanded, we evolved into a standalone brand — now working side by side with Scopic as a sister company, providing full-service digital marketing while staying deeply integrated with the software world. Together, we cover the complete product lifecycle: from strategy, design, and development to market outreach, user acquisition, and brand visibility. 📍 Find us on Clutch: With more than 40+ 5-star reviews ⭐⭐⭐⭐⭐ on https://clutch.co/profile/scopic-software 🌍 Explore our marketing division: https://scopicstudios.com Find us on Guru: 100% positive feedback 🌟 on https://www.guru.com/freelancers/scopic-software We offer free consultations/audits and estimates so feel free to reach out and we'll connect you to an expert!Looking for work in .NET DevelopmentLocated in Boston, United States (+1)From €1,000 for .NET DevelopmentWorked in Food (+11)Speaks English, Arabic(+3)201-500 membersLinnify
5(8 reviews)Simplifying life through innovation.
Top awardedLinnify is an awarded global technology partner , founded in 2016, with offices in Europe and the U.S. We empower visionary companies to accelerate digital product development . Faster, smarter, and more reliable than thought possible. From growing startups to established enterprises, we help turn bold ideas into scalable, user-centered digital solutions that drive measurable business impact. Our cross-functional teams deliver end-to-end capabilities in: - product strategy and validation - UX/UI design - custom software development (web and mobile) - AI and machine learning development - data engineering - cloud-native solutions - XR (AR/VR) applications - team augmentation Our validation-driven development approach ensures every product is aligned with actual market needs , minimizing risk while accelerating time-to-market. With a proven track record of building 80+ digital products across industries such as healthcare, logistics, education, automotive, and pharma , Linnify is present through strategic partnerships in major tech hubs like Austin, Berlin, and London. Our commitment to quality has earned us global recognition, including FT1000 ranking, Clutch Top 100, and ISO 27001 certification. Whether you’re seeking an AI development partner, looking to validate a product idea, or scaling your development capabilities, Linnify delivers with agility, transparency, and lasting impact through dedicated product teams. Let’s simplify life through innovation. Together.Looking for work in .NET DevelopmentLocated in Austin, United States (+1)From €5,000 for .NET DevelopmentWorked in Hospitals & Healthcare (+9)Speaks English, Romanian11-50 membersDatabay Solutions
5(8 reviews)🇪🇦 Convertimos datos en Conocimiento enTurning data into knowledge 🇩🇪 Daten in Wissen verwandeln
Top awarded📊 Somos Databay Solutions , tu partner tecnológico de confianza especializado en ayudar a las organizaciones a aprovechar al máximo sus datos ofreciendo soluciones personalizadas y servicios de análisis , inteligencia artificial y visualización de datos . 🎯 Nuestro objetivo es impulsar la toma de decisiones informadas y el crecimiento empresarial a través de la utilización estratégica de la información. 👉 Transformamos consistentemente datos brutos en conocimiento perspicaz, construyendo desde aplicaciones o herramientas de datos hasta sistemas de Big Data, BI e IA. Nuestra sede se encuentra en España, sirviendo a empresas europeas con una perspectiva global . Hacemos realidad las visiones de nuestros clientes. Nuestro equipo multidisciplinario ofrece una amplia gama de capacidades internas : ✅Gestión de datos ✅ Servicios AWS y GCP ✅ Servicios de ciberseguridad ✅ Ingeniería de red ✅ Desarrollo de software y aplicaciones. Todo con un firme enfoque en la experiencia del usuario y el diseño corporativo. 📲 Construimos prototipos de alta calidad como la base de nuestros proyectos, demostrándose como una excelente herramienta para demostrar el valor del producto antes del escalado comercial y el inicio del desarrollo. ✔️ Empleamos las últimas tecnologías, aprovechando al máximo nuestra experiencia en Big Data e IA. Nuestro equipo es competente en la creación de soluciones que funcionan sin problemas en varias plataformas y para todos los stack de datos disponibles, centrándose principalmente en AWS, GCP, aunque hemos desarrollado soluciones relacionadas con Azure también. 📈 Nuestras herramientas ayudan a día de hoy a múltiples empresas a crear ventajas competitivas aprovechando el potencial de la toma de decisiones basadas en datos. Confía en Databay Solutions, tu socio para navegar el complejo panorama de datos y llevar tu negocio a nuevas alturas. 🎯 ¿ Estás preparado para impactar en tu negocio y convertir en realidad tu visión de futuro? Contáctanos y nuestro equipo estudiará la mejor manera con la que podemos ayudar a tu negocio . 🖥️ https://databay.solutions/ ✉️ info@databay.solutions 📞 +34 606 21 91 11 _____________________________________________ 📊 At Databay Solutions , we focus on helping organisations make the most of their data by providing customised solutions and services in analytics , artificial intelligence and data visualisation . 🎯 Our goal is to drive informed decision-making and business growth through the strategic use of information . 👉 We consistently transform raw data into insightful knowledge, building from data applications or tools to Big Data, BI and AI systems. We are based in Spain, serving companies across Europe with a global perspective . We make our clients' visions a reality. Our multidisciplinary team offers a wide range of in-house capabilities : ✅ From data management ✅ AWS and GCP services ✅ Cybersecurity services ✅ Network engineering to software and application development. All with a firm focus on user experience and corporate design. 📲 We build high-quality prototypes as the foundation of our projects, proving an excellent tool for demonstrating product value prior to commercial scale-up and early development. ✔️ We employ the latest technologies, making the most of our expertise in Big Data and AI. Our team is proficient in creating solutions that work seamlessly across multiple platforms and for all available data stacks, focusing primarily on AWS, and GCP, although we have developed solutions related to Azure as well. 📈 Today, our tools help many companies to create competitive advantages by harnessing the potential of data-driven decision-making. Trust Databay Solutions, your partner to navigate the complex data landscape and take your business to new heights. 📩 Contact us and our team will study the best way we can help your business . 🖥️ https://databay.solutions/ ✉️ info@databay.solutions 📞 +34 606 21 91 11Looking for work in .NET DevelopmentLocated in Benalmádena, Spain (+1)From €1,000 for .NET DevelopmentWorked in Education (+17)Speaks English, German(+1)11-50 membersQuantum IT Innovation
5(54 reviews)Top Mobile & Web Development | AI Solutions | Digital Marketing Services
Highly recommendedQuantum It Innovation is a world-class IT firm Specialising in Business optimisation solutions, Web, App Development & Digital Marketing for B2B and B2C agencies and companies across the globe. Quantumitinnovation has proved its strong presence with operations in Australia for Many years. Our Services - Mobile app development - Web app development - artificial intelligence consultancy - Android App Development - Professional SEO Services - Digital Marketing - custom app development - IOS App Development Company - Robotic Process Automation (RPA) - Social Media Marketing ServicesLooking for work in .NET DevelopmentLocated in Dallas, United States (+5)From €1,000 for .NET DevelopmentWorked in Sports (+14)Speaks English, Hindi201-500 membersCheesecake Labs
(0 review)The right team, the right skills and a proven process.
Cheesecake Labs is a software design and engineering company that delivers world-class digital products with a value-driven, nearshore collaboration model. Mutual of Omaha, AB InBev, Mercado Libre, AES, Sodexo, Finn Auto, Bemis and Merk are some of the leading brands that consider us partners. With 10+ years of experience and a team of 100+ employees, the company specializes in mobile and web development, including emerging tech such as Blockchain, Web3, Voice, AR, and IoT. Our strategy, design and development capabilities deliver value-first products based on three core pillars: people, methodology and experience. Why our clients chose us? - Top 1 Mobile Development company in LATAM by Clutch (2023) - Top 10 globally for Mobile App by Clutch (2023) - Top 10 globally for Custom Software Development by Clutch (2023) - 4.9 Score on Glassdoor (out of 5) - Great Place to Work for 6 consecutive years Services: Our set of services accelerate your strategy with scalable solutions, whether you are creating your digital product from scratch, modernizing it or improving and adding new features. - Mobile App Development - Web Development - Product Design - Blockchain Services - IoT Services - AR/VR Services - Product Management - QA TestingLooking for work in .NET DevelopmentLocated in San Francisco, United StatesFrom €1,000 for .NET DevelopmentWorks in multiple industriesSpeaks English51-200 membersKPMG
(0 review)We have 227,000 outstanding professionals working together to deliver value in 146 countries
KPMG is a global network of professional firms providing Audit, Tax and Advisory services. We have 227,000 outstanding professionals working together to deliver value in 146 countries and territories. With a worldwide presence, KPMG continues to build on our successes thanks to clear vision, defined values and, above all, our people. Our industry focus helps KPMG firms’ professionals develop a rich understanding of clients' businesses and the insight, skills and resources required to address industry-specific issues and opportunities. The independent member firms of the KPMG network are affiliated with KPMG International Cooperative (“KPMG International”), a Swiss entity. Each KPMG firm is a legally distinct and separate entity and describes itself as such.Looking for work in .NET DevelopmentLocated in San Francisco, United StatesFrom €1,000 for .NET DevelopmentWorks in multiple industriesSpeaks English10001+ members