Top IoT Development Companies (2026)

Infinum is a global custom software development company specializing in enterprise-grade web, mobile, and integrated digital platforms. Since 2005, the firm has partnered with established brands and venture-backed startups to design, build, and scale complex digital products used by millions of users worldwide. With offices across the United States and Europe and a team of 400+ engineers, designers, and product strategists, Infinum delivers structured, long-term product development partnerships focused on scalability, performance, and measurable business outcomes. Impact at a Glance • Improved SaaS platform speed by 25% through UI/UX redesign across a 30–35-application inventory management suite. • Enabled a bank’s product release across nine countries for an on-schedule multi-market launch. • Built a leasing app with 30+ integrations, now a key revenue-generation tool for the business. • Achieved 33% beta adoption within weeks for an iPadOS app, with minimal bugs reported during TestFlight. • Notable clients include Philips, Coca-Cola, and Disney Core Services: • Custom software engineering Web applications Mobile apps (iOS and Android) Integrated backend systems Cloud architecture Multi-system enterprise integrations • Web applications • Mobile apps (iOS and Android) • Integrated backend systems • Cloud architecture • Multi-system enterprise integrations • Design-led UX/UI and product design • Digital product strategy that embeds design and engineering processes • Enterprise-Level solutions providing scale and security in regulated industries like finance, healthcare, and telecommunications Best For • Enterprise organizations and large brands • Regulated industries (fintech, healthcare, telecom) • Complex custom software and platform engineering • Digital transformation initiatives requiring long-term technical partnership • Products requiring scalable architecture and strong UX integration Not For • Small, single-feature builds or short-term tactical engagements • Marketing-only or go-to-market advisory projects without technical implementation • Low-complexity website builds without strategic engineering requirements

Builders of Better At Saritasa, we empower businesses through technology. We design and develop custom, commercial-grade software systems that simplify complex operations, create meaningful user experiences, and deliver scalable, enduring business value. With nearly two decades of experience, we have the knowledge and skill to exceed expectations. We believe custom software exists to accommodate the specific needs of people better. We aim to build a smarter, faster, and simpler future. In a word, better. At Saritasa, we are builders of better. We offer full-spectrum innovation through strategy, design, and development. Our services include: Custom Software Development Mobile App Development Web Development Legacy Modernization UI/UX Design Virtual Reality Development Augmented Reality Development DevOps Why Saritasa? We believe in mutual success We care about successful customers, fulfilled employees, and useful solutions. Everything we do is intended to find the right balance of outcomes for the common benefit of all. We solve problems We are a team of driven experts. We are passionately committed to wrestling with the most complex business problems and applying technology systematically to solve them. We value partnerships over projects We don’t take a transactional approach to our engagements. Rather, we foster personalized relationships built on trust and the perpetual delivery of benefits over time.

Euristiq is a custom software development company headquartered in Toronto, Canada, with delivery hubs in Poland and Ukraine. Since 2016 we've helped businesses across North America and Europe innovate, modernize and scale — we modernize aging systems that are too expensive to maintain and too fragile to change, and build new products right from day one. Our AI-native 4D approach (Discover–Decide–Design–Deliver) delivers software 2× faster and cheaper than traditional development. Trusted by Ryanair, Philips, Gen Digital (Norton), Octopus Group and York University. Why Euristiq? • 300+ projects delivered since 2016 • 98/100 customer satisfaction (2026 CSAT) • AWS Advanced Tier Services Partner • AWS Competencies: DevOps Consulting, Cloud Operations Services and AI Services • ISO/IEC 27001:2022 certified What we offer: • AI-native custom software development: MVPs, SaaS, web applications, digital platforms, ERP • Discovery — full product scoping in 2–6 weeks • MVP delivery in 1–3 months • Legacy modernization: system re-engineering and platform consolidation • Cloud: development, migration, cost optimization, and DevOps on AWS, Azure, GCP • AI strategy workshops, PoCs, and AI-native transformation • AWS Well-Architected reviews • CTO-as-a-Service • Dedicated teams / Team extension Industries we know deeply: • Fintech • Energy • Transportation & Airlines • Healthcare • Education • Manufacturing Our expertise includes: • Generative AI, AI agents, ML • Cloud architecture & serverless (AWS, GCP, Azure) • Web & mobile: React, Angular, Vue.js · Python, Golang, Node.js, Java, .NET · iOS, Android, Flutter • IoT & AIoT development • Business analysis, product discovery & UI/UX design • QA, automated testing For Euristiq, the tech is never the label — the business pain is. We ship faster, cut the cost of legacy systems, and keep you ahead of your competitors. • Minimum engagement $25,000 • Discovery packages from $5,000 • AI strategy workshop FREE • Project start within 2 weeks Accelerate with Euristiq: hello@euristiq.com

Twin Sun is a premier custom software and application development agency headquartered in Nashville, Tennessee. Founded in 2017, Twin Sun specializes in architecting, rescuing, and modernizing business-critical web and mobile applications for organizations that demand technical excellence, uncompromised transparency, and senior-level accountability. Staffed by an entirely U.S.-based engineering team, Twin Sun eliminates offshore handoffs and communication gaps. The agency partners directly with leadership and product teams to deliver end-to-end software solutions, including cross-platform mobile apps using Flutter and React Native, scalable web platforms built on Ruby on Rails and modern JavaScript, API development, and enterprise cloud migrations. When existing development efforts stall or suffer from architectural debt, Twin Sun provides dedicated rescue engineering, stabilizing codebases and setting clear paths to production readiness. Twin Sun serves organizations across financial services, government, healthcare, eCommerce, and consumer technology. Grounded in a company culture that prizes radical ownership, genuine helpfulness, and doing what is right for the client, Twin Sun approaches every engagement as a true strategic partner. From initial product strategy and interactive UX/UI design to robust backend engineering and long-term application support, Twin Sun delivers dependable digital products that drive measurable business outcomes.