Choosing the right software engineering firm is the difference between launching a market-ready platform and incurring compounding technical debt. Browse our directory to shortlist top software development companies evaluated on code quality, cross-platform capabilities, and industry expertise.

List of Custom Software Development Companies

916 Companies-Rankings updated: October 26, 2026
Kotlin

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

Kotlin ×
  • Leanware

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Boutique Software Development Company

    Leanware delivers exceptional custom software development firm services with mastery in AI-enhanced development, nearshore staff augmentation, and cost-efficient solutions. Our battle-tested teams ensure seamless integration and world-class quality, driving success across 30+ projects and 15+ industries...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Software Testing
    • Staff Augmentation
    • Show more
    Location
    Bogota, Colombia
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    7 Projects Listed

    Leanware Services

    • Software Development
    • Mobile App Development
    • AI Development
    • Software Testing
    • Staff Augmentation
    • Product Design
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • 2Moon Capital
    • BackupTyping
    • Blueback Global
    Data sourced from the agency's DesignRush profile

    Leanware Reviews & Testimonials

    • Julia Antoci
      Julia Antoci CEO at GloFlow
      5.0★

      AI Development Review from Julia Antoci

      Leanware built the mobile MVP of our AI fitness assistant for iOS and Android. It started with discovery workshops that sharpened the product vision and shaped an MVP roadmap prioritizing launch features while leaving room for expansions like avatars and real-time feedback. They developed a conversational AI engine with custom prompt and context engineering tailored to fitness conversations, one that keeps continuity across sessions, remembers user progress and preferences, and keeps health guidance within safety standards. On top of that they implemented photo-based food recognition, smart search that understands fitness intent, personalized recommendations, progress tracking with AI-generated insights and coaching suggestions, and gamified response formats that make AI answers easy to read, plus the scalable backend behind it all. Their consultation saved us an estimated 20 to 30 percent in costs by avoiding unnecessary complexity, and we launched a functional MVP across the app stores in under eight weeks, faster than planned. Project management was exceptional: clear timelines, on-schedule delivery, and proactive communication via Slack, with expert recommendations guiding decisions rather than every choice being pushed back to us. Their technical skill and creativity made the whole thing feel less like hiring a vendor and more like building with a co-founder.

    • Anonymous
      Anonymous Engineer at E-commerce Company
      4.8★

      Software Development Review from Anonymous

      Leanware delivered two significant projects for our e-commerce platform along with a steady stream of smaller fixes and enhancements. They built a new employee management page in our back office so our customers can create accounts, set permissions, and link employees to entities on their own, and when our mobile app's chat functionality needed replicating in the back office, they built a custom chat and messaging React library from scratch, integrated seamlessly with our design system and existing bespoke solution. Along the way they worked comfortably across Next.js, React, React Native, Apollo, GraphQL, and Hasura, and adapted to our implicit conventions. We ran week-long SCRUM sprints with check-ins three times a week, and they consistently hit the sprint goals on time; even when we needed hard pivots mid-sprint, they adapted without losing pace. As the engagement progressed they increasingly took the lead, asking well-informed questions and offering suggestions on code, product, and design that genuinely enriched the outcomes. What impressed us most was how swiftly they onboarded: given incomplete product descriptions, they asked the right questions to fill the gaps and picked up our undocumented code patterns without getting stuck on minor details. It felt like one cohesive team working toward shared objectives, free of the friction that usually comes with a third party

    • Anonymous
      Anonymous Co-Founder & CEO at Anonymous
      5.0★

      Mobile App Development Review from Anonymous

      Leanware has partnered with us since Q4 2023 on two cloud-based mobile apps for iOS and Android, one built in Flutter and one in React Native, handling development on both and the UI/UX design on one. For one project they staffed a team of five mid-level developers, a senior developer, an architect, and a UX designer available as needed. They also took over an app that was unstable and nowhere near production-ready and turned it into a stable, solid product I'm genuinely proud to show. Their processes leave nothing to chance and the code that comes out of them is excellent; they've been flexible and thorough throughout. They meet deadlines, keep their promises, and are careful about what they commit to. The whole team has been great, and Alvaro, their Technical Product Manager, deserves a special mention for being remarkable. I hired them because they were upfront about what they could and couldn't do, and that honesty, together with the tremendous quality of their work, is what separates them from other providers. Both are getting harder to find these days.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • We Build. You Trust.

    Kodevent is a US-based software company providing top AI developers and custom solutions built with GPT-4, Claude, Gemini, and LLaMA. We deliver intelligent software to help you launch, grow, and accelerate your businessfocusing on clear communication and lasting partnerships...

    Top Services:

    • AI Development
    • Web Development
    • Staff Augmentation
    • Software Testing
    • Software Development
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
  • Solving complex problems with design and technology since 2005.

    We create digital products that streamline operations, grow your audience, and boost business success. Partnering with visionary brands, we transform ideas into impactful solutions using innovative design and technology. Discover how our Software Development expertise can elevate your next project...

    Top Services:

    • Web Development
    • Web Design
    • Mobile App Development
    • UI/UX Design
    • Software Development
    • Show more
    Location
    Zagreb, Croatia
    Number of Employees
    250 - 499
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    24 Projects Listed
  • Codal

    VerifiedVerified by the DesignRush team for authenticity and credibility.Award WinnerRecipient of a Best Design Award for outstanding work.
    Accelerating growth through cutting-edge, data-driven strategies and solutions

    Codal is an award-winning design and development consultancy helping enterprises solve complex challenges and accelerate growth with data-driven digital solutions. Our global team delivers expertise in digital transformation, eCommerce, UX/UI, product strategy, analytics, and AI...

    Top Services:

    • Web Development
    • eCommerce Development
    • Software Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    250 - 499
    Average Hourly Rate
    $145/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    7 Projects Listed
  • AI-Native App & Enterprise Software Development Company

    TechAhead, a global leader in AI-powered custom software development & cloud engineering services, trusted by Fortune 500 companies and enterprises worldwide. We are a Great Place to Work-certified company with 240+ experts and 16 years of experience in engineering innovative, scalable applications...

    Top Services:

    • Mobile App Development
    • AI Development
    • Software Development
    • IoT
    • Staff Augmentation
    • Show more
    Location
    Agoura Hills, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    26 Projects Listed
  • AI Native Software and Mobile App Development Company

    VT Netzwelt builds AI solutions, mobile apps, ecommerce platforms, and custom software. Since 2013, we've delivered 700+ projects for 270+ clients across mobility, healthcare, and industrial IoT. Book a free consultation today!...

    Top Services:

    • Software Development
    • eCommerce Development
    • Web Development
    • Mobile App Development
    • IT Services
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    22 Projects Listed
  • Altamira

    Award WinnerRecipient of a Best Design Award for outstanding work.
    Great software, zero headaches

    Great software, zero headaches...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • AI Development
    • Web Design
    • Show more
    Location
    Bratislava, Slovakia
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    37 Projects Listed
  • A Complete Software Development Solutions Provider

    Crafting code, shaping experiences...

    Top Services:

    • Staff Augmentation
    • HR Outsourcing
    • UI/UX Design
    • eCommerce Development
    • Web Design
    • Show more
    Location
    Belgrade, Serbia
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    3 Projects Listed
  • Invested in Your Success

    Tepia is a software company founded in 2012 with over 30 years of experience in web and mobile app development. We are a passionate and agile team of developers, designers, and strategists who are consistently pushing the boundaries of technology...

    Top Services:

    • Mobile App Development
    • eCommerce Development
    • Software Testing
    • Software Development
    • UI/UX Design
    • Show more
    Location
    Costa Mesa, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    2 Projects Listed
  • AI-Enabled Сustom Software Development

    We're JetRuby — AI-native, award-winning, and ISO-certified agency that's been shipping software since 2010. Our 250+ engineers turn bold ideas into production-ready products, starting from budgets of $50,000 and scaling all the way to enterprise roll-outs...

    Top Services:

    • Web Development
    • Software Development
    • Mobile App Development
    • Web Design
    • AI Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    33 Projects Listed
  • Your Innovation Partner

    ITRex delivers end-to-end AI and data solutions from strategic planning to real-world deployment. The companys expertise spans LLM integration, RAG, copilots, SLMs, and autonomous AI agents, all engineered for reliability and scale...

    Top Services:

    • Software Development
    • Mobile App Development
    • Software Testing
    • AI Development
    • IoT
    • Show more
    Location
    Aliso Viejo, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed
  • Smartym Pro is a full-cycle development company specialized in mobile application and enterprise web development. Company has strong development culture and focuses on innovative solutions, using cutting edge technologies and frameworks. Smartym Pro is located in Eastern Europe and consists primarily of...

    Top Services:

    • Software Development
    • Mobile App Development
    • Staff Augmentation
    • Blockchain
    • IT Services
    • Show more
    Location
    Warsaw, Poland
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    9 Projects Listed
  • Your Partner in AI & Custom Software Excellence

    Geniusee is a U.S.-based AI and software engineering company with delivery hubs in Ukraine and Poland. We help businesses modernize legacy systems and scale faster through AI-powered, cloud-native solutions. Our team of 300+ experts has delivered 200+ projects for clients like Dell and Bloomberg. We...

    Top Services:

    • Software Development
    • Mobile App Development
    • Blockchain
    • Software Testing
    • AI Development
    • Show more
    Location
    Austin, Texas
    Number of Employees
    250 - 499
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    11 Projects Listed
  • YOUR IOT PARTNER

    Indeema is a global IoT engineering company. Our team works across the entire technology stack, including firmware development, electronics engineering, cloud platforms, data processing, and web and mobile applications...

    Top Services:

    • Software Development
    • IoT
    • Mobile App Development
    • Wearables
    • AI Development
    • Show more
    Location
    Wroclaw, Poland
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    8 Projects Listed
  • Top Healthcare Product, Technology, & Venture Design Firm

    Sidebench is the top healthcare technology design and software engineering firm in the US. We combine strategy, design, technical architecture at every point of our process. We are known for delivering extraordinary business results...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Wearables
    • UI/UX Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    11 Projects Listed
  • Together, beyond expectations

    CHI Software is a technology solution provider that offers a full set of software-based services from custom software development to maintenance & support. Our talented team is passionate about Generative AI, Cloud Computing, Data Engineering, and IoT. CHI's success comes from care of every client...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • Web Development
    • Staff Augmentation
    • Show more
    Location
    Lviv, Ukraine
    Number of Employees
    500 - 999
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    12 Projects Listed
  • A top-rated UK app development company, delivering award-winning Android and iOS apps since the first iPhone...

    Top Services:

    • Mobile App Development
    • AI Development
    • Software Development
    • UI/UX Design
    • Digital Strategy
    • Show more
    Location
    York, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    17 Projects Listed
  • EMERGE

    Award WinnerRecipient of a Best Design Award for outstanding work.
    Digital Product Agency delivering Consumer-grade UX Design for B2B & Enterprise.

    EMERGE is a top-rated UX Design Agency and Digital Product Consultancy and a trusted partner for B2B leaders across technology, healthcare, and manufacturing sectors. We specialize in driving business growth by crafting elevated, engaging digital products and services...

    Top Services:

    • UI/UX Design
    • Product Design
    • Design Services
    • Software Development
    • Mobile App Development
    • Show more
    Location
    Portland, Oregon
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed
  • We Build Custom Apps.

    We're an award-winning, woman-owned and led, custom software development company...

    Top Services:

    • Mobile App Development
    • Big Data Analytics
    • UI/UX Design
    • Software Development
    • Show more
    Location
    Denver, Colorado
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    7 Projects Listed
  • Disruptive Technologies Software House

    Our long-term goal is to become the most effective software company in the world...

    Top Services:

    • Software Development
    • Product Design
    • UI/UX Design
    • Web Design
    • Blockchain
    • Show more
    Location
    Krakow, Poland
    Number of Employees
    50 - 99
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    2 Projects Listed
  • A lifelong partner to solve any tech challenge together

    Hi there! We were expecting you!We are a nearshore software services and consulting company that partners with forward-thinking companies to achieve their business goals and accelerate growth in the digital age.We are seen as a lifelong partner for tackling any tech challenge...

    Top Services:

    • Software Development
    • Mobile App Development
    • IT Services
    • UI/UX Design
    • Web Development
    • Show more
    Location
    Montevideo, Uruguay
    Number of Employees
    100 - 249
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    1 Project Listed
  • Customer Software and App Development

    InnovationM is top mobile application developers in Noida. Best Mobile app development services in Noida, Delhi, NCR, Gurgaon, India. Trusted mobile app designer and developer in Noida, Delhi, Gurgaon, India. Trusted mobile application development company in Delhi, Noida...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • Mobile App Development
    • Software Development
    • Show more
    Location
    Noida, India
    Number of Employees
    500 - 999
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $50,000 & Up
  • We build mobile apps, web platforms & AI workflows for organisations doing good in the world.

    3 Sided Cube is a global mobile app and digital development company with a passion for Tech For Good, championing the genius over the generic to build life-saving, life-changing digital solutions...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • AI Development
    • Digital Services
    • Show more
    Location
    Bournemouth, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed
  • Senior embedded Python teams for data, AI & SaaS

    Python-first staff augmentation for SaaS, data engineering & AI/ML. Senior embedded engineers, CVs in 24-48 hours. No freelancers...

    Top Services:

    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Web Development
    • Big Data Analytics
    • Show more
    Location
    Tallinn, Estonia
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    7 Projects Listed
  • Mobile App Devs Who Understand Business, Not Just Code

    Touchlane is a European mobile development studio that truly gets startups and SMBs. With 10+ years on the market, we turn ideas in fintech, health & fitness, and entertainment mobile development into secure, high-performing apps users love...

    Top Services:

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • Cybersecurity
    • IT Services
    • Show more
    Location
    Tallinn, Estonia
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed
  • Healthcare Software Development Company - AI Voice Agents

    Healthcare Software Development company. AI Solutions, Voice AI Agents, GenAI platform development, HL7 FHIR Software Development, and more...

    Top Services:

    • AI Development
    • Software Development
    • Big Data Analytics
    • Cloud Consulting
    • DevOps Consulting
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    50 - 99
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    3 Projects Listed
  • Healthcare AI Development Experts

    Momentum is a specialized healthcare software development company that builds scalable AI-powered solutions and mobile applications for healthcare organizations. Since 2016, we've delivered 100+ healthcare applications for startups, scale-ups, and healthcare providers across the US, UK, and Europe...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Product Design
    • IT Services
    • Show more
    Location
    Wroclaw, Poland
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    23 Projects Listed
  • WE TURN IDEAS INTO DATA-DRIVEN SOLUTIONS

    Quantum is a data science and software development company helping businesses turn data into real value. We design and deliver AI-powered solutions, integrate advanced analytics into existing systems, and bring deep technical expertise to complex industry challenges...

    Top Services:

    • AI Development
    • Software Development
    • IT Services
    • Big Data Analytics
    • Cloud Consulting
    • Show more
    Location
    Warsaw, Poland
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    8 Projects Listed
  • Your strategic partner in creating exceptional software products.

    We're an EU-based, full-service software development partner for growing tech companies and established mid-market businesses...

    Top Services:

    • Software Development
    • Mobile App Development
    • UI/UX Design
    • AI Development
    • Software Testing
    • Show more
    Location
    Zagreb, Croatia
    Number of Employees
    50 - 99
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    8 Projects Listed
  • Think. Design. Develop. Launch. Repeat.

    Significa is an award-winning digital product design and development agency based in Porto, building beautifully functional digital products for clients across the globe...

    Top Services:

    • Design Services
    • Software Development
    • eCommerce Development
    • UI/UX Design
    • Product Design
    • Show more
    Location
    Porto, Portugal
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed
  • Award-Winning Mobile Design & Development Agency with AI Expertise

    Utility is a premier digital product agency specializing in custom mobile apps, web platforms, and AI-powered solutions for forward-thinking startups and global brands including Airbnb, Coca-Cola, Samsung, the NBA, and Forbes...

    Top Services:

    • Mobile App Development
    • AI Development
    • Software Development
    • WordPress Website Design
    • UI/UX Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    1 Project Listed
  • We deploy secure AI solutions that deliver positive ROI within weeks.

    NineTwoThree AI Studio is a Boston-based AI agency that builds secure, production-grade AI and ML solutions with measurable ROI. Founded in 2012, our Ph.D.-level engineers and certified product managers have delivered 150+ projects for enterprise brands and startups alike...

    Top Services:

    • AI Development
    • Mobile App Development
    • IoT
    • Software Development
    • DevOps Consulting
    • Show more
    Location
    Danvers, Massachusetts
    Number of Employees
    100 - 249
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed
  • Product-oriented Elixir dev company

    We create custom teams prepared to support the development of your product at every stage...

    Top Services:

    • Web Development
    • UI/UX Design
    • Mobile App Development
    • Graphic Design
    • Product Design
    • Show more
    Location
    Poznan, Poland
    Number of Employees
    100 - 249
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $50,000 & Up
  • We build great software that builds your bottom line

    Dualboot is a business and software development company. We build great software, but we base our success on whether it helps your business grow...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • AI Development
    • Staff Augmentation
    • Show more
    Location
    Raleigh , North Carolina
    Number of Employees
    250 - 499
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    3 Projects Listed
  • Supercharge - Innovating Digital Product Development

    At Supercharge, we partner with our clients to turn disruption into opportunity by creating transformative digital solutions. With over 200 digital experts across New York, London, Amsterdam, Helsinki, Vienna, and Budapest, we develop digital strategies, design delightful interfaces, and build robust software...

    Top Services:

    • Software Development
    • AI Development
    • Digital Services
    • Product Design
    • Mobile App Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    6 Projects Listed
  • Paving the way for a thriving digital society

    Paving the way for a thriving digital society...

    Top Services:

    • Digital Services
    • Mobile App Development
    • Digital Strategy
    • Product Design
    • UI/UX Design
    • Show more
    Location
    Istanbul, Turkey
    Number of Employees
    250 - 499
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    17 Projects Listed
  • Unlock the BlackBox, achieve your Vision

    BlackBox Vision is a boutique digital product development studio based in Buenos Aires, Argentina, dedicated to helping startups and scale-ups bring their ideas to life...

    Top Services:

    • Mobile App Development
    • Software Development
    • Product Design
    • UI/UX Design
    • VR/AR
    • Show more
    Location
    Victoria, Argentina
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    13 Projects Listed
  • End-to-end software development with built-in compliance

    For growth-stage software companies operating in regulated environments, where enterprise deals, audits, and regulations block growth, Corpsoft Solutions is a compliance-native software development partner that designs and builds audit-ready systems from day one...

    Top Services:

    • Software Development
    • IT Compliance Solution
    • AI Development
    • Cybersecurity
    • Cloud Consulting
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    9 Projects Listed
  • NOCTAVIS - one-stop electronics design house

    NOCTAVIS - is an innovative corporation with extensive experience in the design and implementation of embedded electronic systems. NOCTAVIS is an expert in embedded electronics, electronic devices and software, IoT solutions, artificial intelligence and digital optics...

    Top Services:

    • IoT
    • Software Development
    • Wearables
    • Product Design
    • Show more
    Location
    Vilnius, Lithuania
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $50,000 & Up
  • The Product Foundry for Startups

    360° Design x Engineering Company...

    Top Services:

    • Digital Services
    • Product Design
    • UI/UX Design
    • Web Development
    • eCommerce Development
    • Show more
    Location
    Mumbai, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $50,000 & Up
  • Your product engineering ally.

    Rebbix proves that results-oriented outsourcing without bullshit and sugar coating is possible.We provide highly effective engineering teams as a service. Since 2012, weve been helping online marketplaces scale to different markets, transform from classifieds to transactional, launch, pivot, and find...

    Top Services:

    • Software Development
    • Mobile App Development
    • Staff Augmentation
    • UI/UX Design
    • IoT
    • Show more
    Location
    Lviv, Ukraine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    4 Projects Listed
  • See Beyond, Rise Above.

    Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology...

    Top Services:

    • AI Development
    • Software Development
    • Web Development
    • Mobile App Development
    • Blockchain
    • Show more
    Location
    Pune, India
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
  • In Code We Trust

    Code Of Us is a company that specializes in delivering custom software solutions to businesses of all sizes...

    Top Services:

    • Web Design
    • UI/UX Design
    • Web Development
    • IoT
    • Mobile App Development
    • Show more
    Location
    Zagreb, Croatia
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    1 Project Listed
  • Qualified personnel rules!

    We are a joint venture of international entrepreneurs and developers. We focus on providing the high level of software development services to our clients that match our German standards. It always results in a very strong, maintainable and reliable software and complete satisfaction of the clients.The...

    Top Services:

    • Blockchain
    • Web Development
    • Software Testing
    • Mobile App Development
    • IoT
    • Show more
    Location
    Bad Nenndorf, Germany
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    3 Projects Listed
  • We create solutions that work on the result of your projects.

    PNN Soft is a trusted technology partner. We provide outsourcing and offshore software development services for business from different industries. We provide full-cycle development services, and we are expertise in custom development of software, mobile, web app, IoT, cloud, and PWA solutions...

    Top Services:

    • Web Design
    • eCommerce Development
    • Software Development
    • Mobile App Development
    • IoT
    • Show more
    Location
    Kyiv, Ukraine
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $50,000 & Up
  • We Code Success

    Directio is a global tech partner that brings together people, processes, and technology to code successnot just by building software, but by solving todays challenges and preparing businesses for whats next. With a unique blend of consulting, tailored development, and flexible collaboration models, we...

    Top Services:

    • Software Development
    • Software Testing
    • DevOps Consulting
    • IT Services
    • IT Compliance Solution
    • Show more
    Location
    Warsaw, Poland
    Number of Employees
    100 - 249
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $50,000 & Up
  • We Turn Ideas Into Awesome Software Products!

    Codequest is an AI-driven software studio based in Warsaw, Poland. Founded in 2009, were a small, focused team of engineers, designers, and data scientists who create fast, functional, and beautiful digital products driven by cutting-edge technology and a commitment to user-centric design...

    Top Services:

    • Web Development
    • Mobile App Development
    • AI Development
    • Product Design
    • Software Development
    • Show more
    Location
    Warsaw, Poland
    Number of Employees
    Under 49
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed
  • Transforming Ideas Into Matter

    We are software alchemists: crafting more than code, creating new realities.Like those who once turned metals into gold, we blend technology, creativity, and human insight to forge innovative software that transforms how the world works, thinks, and feels...

    Top Services:

    • Software Development
    • UI/UX Design
    • Branding
    • Product Design
    • Digital Strategy
    • Show more
    Location
    Buenos Aires, Argentina
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
  • From Concept to Cloud We Build What Drives Growth

    Tech Formation is a premium software development company helping U.S. startups and enterprises build innovative SaaS, AI, and custom software solutions. With a focus on scalability, security, and user experience, we turn complex ideas into powerful digital products that drive business growth. From concept to...

    Top Services:

    • Software Development
    • Web Design
    • eCommerce Development
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Ludhiana, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    1 Project Listed
  • Game Development Company

    RevolGames delivers expert game development services for mobile battle royales, VR titles, and AI-driven multiplayer experiences. We help studios and brands scale revenue through advanced gaming technology.With 200+ designers, coders, and artists, we handle full-cycle development, from concept to launch...

    Top Services:

    • Software Development
    Location
    Austin, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
129,561+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
916

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

See how rankings and monetization work.

Software Development Companies FAQs

What are the most requested services of custom software development firms?

The most requested services from custom software development firms are almost entirely AI-based products, delivered primarily through web application development, mobile development, AI agent development, and legacy system refactoring. UX/UI design, cloud infrastructure, DevOps, and QA automation are typically not sold as standalone services; instead, they are embedded within each of these project types.

As reported by Diffco, year-over-year trends show a prevailing shift: AI agent development has grown from a niche request into a significant share of overall volume, while demand for legacy system refactoring continues to rise as clients seek to prepare their existing systems to support AI capabilities.

ServiceShare of total demand
Web application development40%
Mobile app development30%
AI agent development20%
Legacy system refactoring10%

How much does a software development company charge for its services?

Software development services typically cost $50,000 for MVPs to $2 million+ for enterprise software. US developers generally charge $120-$200/hour, while developers in Europe and Asia charge around $25-$150/hour.

How do I determine if a global company is the right size for my project?

To determine if a global software development agency is the right size for your project, match project complexity and scale to company capacity.

Choose a large/global agency with 1000+ staff, if your project:

  • Is complex or enterprise-grade, includes multiple software solutions, integrations, and compliance
  • Requires multiple roles in parallel (project management, UX/UI design, backend, quality assurance (QA), DevOps)
  • Needs 24/7 support, multi-time-zone delivery, or long-term maintenance

Large software development companies reduce delivery risk for complex programs but typically charge higher rates and use more structured processes.

Choose a small or mid-size agency with 10-200 staff if your project:

  • Is an MVP or mid-scale build
  • Requires speed, flexibility, and direct access to senior talent
  • Has a tighter budget and well-defined scope

Who owns the Intellectual Property (IP) and source code at the end of the project?

In most software development projects, the client owns the Intellectual Property (IP) and source code upon completion of the engagement, unless the contract explicitly states otherwise. Standard practice dictates that the ownership of the source code, documentation, design elements, and custom deliverables belongs to the client upon full payment. Contracts typically use "work made for hire" or an IP assignment clause to formalize this. 

Third-party or open-source components, however, are not owned by the client. Instead, they are used under their respective licenses. Some agencies retain ownership of pre-existing frameworks or reusable tools and grant the client a license to use them. You should also know that IP ownership is not automatic. To avoid disputes, ensure the contract clearly states full IP and source-code ownership transfers to you upon payment, with no usage limitations.

What tools and frameworks do software developers use?

They use various tools and frameworks, depending on the type of digital product they’re building. But the most common include: 

  • Full-stack JavaScript: MERN, MEAN, Jamstack (ex, Next.js)
  • Backend: Java-Spring, Python, Django, Ruby on Rails, LAMP
  • UI and Cross-Platform Development: React, Angular, Vue, Qt
  • Languages: JavaScript, TypeScript, Python, Kotlin 
  • AI and Data-Driven Development: Python, Hugging Face, LangChain, Apache Spark, Kafka, Kubeflow, Lite, ONNX, Replit
  • QA and Testing: Selenium, Cypress, Jenkins, GitLab, JMeter, OWASP ZAP, Testim, Mabl

What are the best software development companies in 2026?

What questions should I ask before hiring a software development company?

Before hiring a software development company, ask:

 

  • Have you built similar software before?
  • Which technologies will you use?
  • Who will work on my project?
  • What is included in the scope?
  • How long will development take?
  • How do you handle testing and security?
  • Do you provide support after launch?

How do I reduce the risk of hiring the wrong software development company?

Check the company’s exit terms and review cadence before comparing prices. Short notice periods and frequent demos give you more opportunities to spot problems and change direction early. For example, Designli uses biweekly demos, offers a refundable first 14 days, and allows clients to cancel with 30 days’ notice.