Custom Software & Mobile App Development

We help growing companies design, build, and scale custom apps

Stop losing customers to clunky experiences and outdated systems. As a trusted custom software development company, we help growing companies design and build custom mobile and web apps that solve your toughest business challenges and deliver real results - more revenue, lower costs, and stronger market position.

Trusted by Leading Brands and Fortune 500 Companies

Power Your Business with Our Expertise

From custom iOS and Android apps to enterprise-grade web platforms, we’ve delivered over 1000 real-world applications across multiple industries. With complex workflows and high-stakes launches, failure isn’t an option.

35+

years of software excellence

1000+

apps shaping industries

250+

tech evangelists on deck

Our App Design & Development Services

Discover our range of comprehensive custom software development services carefully designed to elevate your business capabilities like never before.

Mobile App Development

We design and develop custom mobile applications that help organizations streamline complex business processes and deliver intuitive user experiences. Our mobile app development services include native iOS and native Android apps, hybrid and cross-platform solutions, and progressive web apps (PWAs). This service is ideal for enterprises and growing businesses that need secure, scalable, and high-performance mobile applications.

Enterprise Software Development

We design and build custom enterprise software solutions that support complex operations, cross-department workflows, and large-scale business requirements. Our enterprise software development services include backend architecture, system integrations, web-based applications, and long-term support for performance and scalability. This service is best suited for organizations that need secure, reliable software to improve operational efficiency and team productivity at scale.

AI Engineering

Our AI app development services supercharge your digital products with smart automation, real-time learning, and next-gen decision-making. Whether it’s fine-tuning machine learning models, crafting dynamic generative AI experiences, or deploying computer vision applications that actually see, we make our AI solutions work for you. They’re resilient, scalable, and built for what’s next.

Icon for staff augmentation

Staff Augmentation

We provide IT staff augmentation services that allow organizations to quickly scale their development teams with experienced engineers, designers, and technical specialists. Our staff augmentation model supports short and long-term engagements, enabling clients to fill skill gaps, accelerate delivery, and reduce recruitment overhead. This service is ideal for businesses that need additional technical capacity while maintaining control over project direction and internal workflows.

Icon representing mobile gaming

Mobile Game Development

We design and develop high-performance mobile games that deliver immersive gameplay and engaging player experiences. Our mobile game development services leverage industry-standard engines such as Unity, Unreal Engine, and CryEngine, along with AR and VR capabilities, to bring game concepts to life across platforms. This service is ideal for studios, brands, and enterprises looking to build scalable, visually rich games that retain players and perform reliably at scale.

Augmented Reality App Development

We design and develop augmented reality (AR) applications that overlay digital content onto real-world environments through mobile devices and AR-enabled platforms. Our AR app development services support use cases such as virtual product visualization, interactive 3D data displays, immersive training and learning experiences, and spatial mapping. This service is ideal for organizations looking to improve engagement, support decision-making, and enable hands-free, context-aware interactions.

Virtual Reality App Development

We design and develop virtual reality (VR) applications that create fully immersive, interactive 3D environments for training, education, and experiential use cases. Our VR app development services combine custom software development with 3D design and development, supporting solutions such as realistic training simulations, Unity-powered VR applications, and branded virtual experiences. This service is ideal for businesses, educators, and creators looking to move beyond traditional screens and deliver high-impact immersive content.

Technologies We Specialize In

  • Swift
  • Kotlin
  • Xamarin/Maui
  • React Native
  • Flutter
  • Objective-C
  • React
  • NodeJS
  • .NET Core
  • Blazor
  • Go
  • MongoDB
  • AJAX
  • AWS
  • ReactJS
  • Unity
  • PHP
  • C#
  • Python
  • Java
  • SQL
  • JQuery
  • HTML5
  • JavaScript
  • Swift
  • Kotlin
  • Xamarin/Maui
  • React Native
  • Flutter
  • Objective-C
  • React
  • NodeJS
  • .NET Core
  • Blazor
  • Go
  • MongoDB
  • AJAX
  • AWS
  • ReactJS
  • Unity
  • PHP
  • C#
  • Python
  • Java
  • SQL
  • JQuery
  • HTML5
  • JavaScript

Why Zco Is the Right Partner for Your Next App

When you’re investing in a software, the real risk isn’t development – it’s rework that drains budgets, delays that push back launches, or architecture that limits growth. Avoiding these pitfalls requires a partner with proven experience and a deep understanding of real-world complexity.

That’s where we come in. As a leading custom app development company, Zco focuses on latest technologies and proven execution strategies to build customer-centric mobile apps that perform reliably from day one.

For more than three decades, we’ve been transforming visions into reality, delivering personalized software and mobile applications, all while cultivating lasting partnerships with renowned brands around the globe.

Our agile, execution-first approach keeps development moving efficiently and transparently. That means fewer surprises, faster iterations, and mobile apps that meet your expectations.

With 250+ experts on-board,  you’re backed by a coordinated team of strategists, designers, and mobile engineers who identify risks early and solve them before they impact delivery, performance, or scale.

A Development Process Designed to Reduce Risk

Our process is built to reduce risk at every stage by validating ideas early, ensuring you don’t invest in the wrong solution. We prioritize design before development to prevent costly rework and unnecessary delays, and we work in clearly defined milestones so you always have visibility into progress, priorities, and outcomes.

  • Discussion of Project Requirements
  • Wireframing of the App
  • UI/UX Design
  • App Development
  • QA Testing
  • Deployment
  • Post-Launch Support

Case Studies

Discover how Zco, one of the leading software companies in New Hampshire, has transformed ideas into powerful solutions. Our case studies showcase the measurable impact we’ve delivered for businesses like yours.

Testimonials From Our Clients

Take a peek into the world of our happy clients as they share their stories and experiences with our personalized mobile and custom software development services.

More From Our Blog

Fuel your success journey by tapping into our exclusive collection of latest industry-relevant posts.

Frequently Asked Questions

Zco is one of the leading software and mobile app development companies, known for delivering custom digital solutions to businesses of all sizes. With decades of experience, Zco specializes in creating innovative, high-quality applications, enterprise software, and digital products that drive growth and engagement. From concept to completion, we focus on technology excellence and client success. Learn more about our expertise on the About Us page or contact our team to discuss your next project.

Zco has been a trusted software development partner for over three decades, serving clients worldwide with cutting-edge technology solutions. Our long-standing presence in the industry highlights our commitment to innovation, quality, and customer satisfaction. Over the years, we’ve built thousands of successful applications and software products across multiple industries. To learn more about our journey and milestones, visit our About section or reach out to our experts for a consultation.

Zco works with a wide range of industries, including healthcare, finance, education, retail, logistics, entertainment, and more. Our team understands that every sector has unique challenges and opportunities, so we tailor software solutions to meet specific business goals. Explore our industry portfolio or contact us to learn how Zco can support your digital transformation.

Zco stands out for its combination of experience, technical depth, and customer-centric approach. With a highly skilled in-house team and proven delivery model, we ensure every project meets the highest standards of performance and reliability. Unlike many vendors, Zco offers end-to-end support—from strategy and design to development and long-term maintenance. Our focus on innovation, transparency, and client success has made us one of the most trusted software development companies worldwide.

At Zco, project success begins with detailed planning, agile methodology, and transparent communication. Our teams follow a structured process that includes discovery, design, coding, testing, and deployment. Dedicated project managers ensure timelines, budgets, and quality benchmarks are met. We also conduct rigorous QA and performance testing before every release. Clients stay informed at every step, ensuring complete visibility and collaboration. To see how we manage projects efficiently, connect with our team today.

Yes. Zco partners with clients around the world, offering seamless collaboration and remote project management regardless of location. Our global presence and flexible engagement models allow businesses in North America, Europe, Asia, and beyond to work with us easily. With effective communication tools and dedicated support, we ensure successful cross-border delivery for every project. To start working with Zco from your region, contact our team for a personalized consultation.

Absolutely. Zco offers dedicated developer and team augmentation models to help businesses scale faster. Clients can hire skilled software engineers, designers, and QA professionals who work exclusively on their projects, ensuring complete focus and flexibility. This approach allows companies to expand capabilities without the overhead of in-house hiring. Learn more about our engagement options and find the right development team for your business by contacting Zco’s talent experts.

Zco follows strict data security and confidentiality protocols throughout every project. We use secure communication channels, NDAs, and access controls to protect client information. Our infrastructure complies with leading security standards and best practices to prevent data leaks or breaches. Regular audits and encrypted systems ensure all sensitive data remains safe. Your trust and privacy are our top priorities. Reach out to learn more about Zco’s commitment to information security.

Starting a project with Zco is simple. First, clients share their ideas or requirements through our contact form or consultation call. Our team then analyzes project goals, defines a roadmap, and provides a detailed proposal with timelines and cost estimates. Once approved, development begins with transparent updates at each stage. We guide you from concept to completion, ensuring your vision becomes reality. Get in touch with us today to start your project.

Yes, Zco provides comprehensive post-launch support and maintenance to ensure your software or app runs smoothly. Our services include bug fixes, performance enhancements, version upgrades, and continuous monitoring. Clients benefit from flexible maintenance plans tailored to their needs. With proactive support, we help keep your product updated and optimized long after launch. To explore our maintenance solutions, contact the Zco team for more details.

Get Expert Guidance

Let’s discuss your project! Just fill out the form below or call 603.881.9200