15 leading custom software development companies to hire in 2026

Hiring a custom software development company isn’t hard. Hiring the right one is.

Plenty of agencies can build software. Far fewer can make good product decisions when things get messy, requirements change, or trade-offs have to be made. 

That’s where most projects lose time, go over budget, or lose direction.

So, we’ve put together an overview of the leading custom software development companies you can hire in 2026. 

Each company on this list has a proven track record, real clients you’ve heard of, and experience building software that holds up in the real world, not just in sales decks.

Let’s dive in!

Best custom software development companies – overview

Here’s a quick overview of the companies we’ll cover:

Next, we’ll cover each company in more detail

Top custom software development companies

Here, we’ll dig deeper and discuss each company’s services, top industries and clients, their tech stack, pricing, and client reviews.

DECODE

Of course, where else could we start but with ourselves?

DECODE is a high-caliber, full-service software development company based in Croatia’s capital, Zagreb.

We’re a passionate team of 90+ engineers obsessed with solving complex business problems.

Recently, we’ve opened a new German office and we’re continuously expanding our team with Croatia’s top IT talent

Let’s answer the big question – what do we do for our clients?

We specialize in building complex, enterprise-grade custom software solutions and high-quality mobile apps.

On top of that, we also offer tech consulting services to help them make the right choices whether you’re looking to automate or innovate.

So, if you’re in the market for high-caliber engineers you can trust, you’re in the right place.

Services

Custom software development

We build custom software solutions from the ground up to meet your exact business needs and requirements.

You’ll get an easily maintainable and scalable solution that meets your needs and the latest security standards.

Product discovery

Not every idea is a good investment, but we’ll make sure yours is.

We conduct thorough discovery workshops and use state-of-the-art research methods to validate your idea before our team writes a single line of code.

Mobile development

Our advanced, high-quality mobile apps put DECODE’s name on the map.

We build cutting-edge iOS, Android, and cross-platform mobile apps for a wide range of industries.

Web development

We build enterprise-grade, web-based software products and custom solutions.

Also, we build entire web infrastructure for mobile apps, too.

Product design

A well-designed product isn’t just about looks, it’s about creating an intuitive experience for the end-user.

Our design team makes sure your product is visually appealing, easy to use, and built with users in mind from day one.

Quality assurance (QA)

Quality is key to how we work.

We offer comprehensive testing and QA services for every project – no exceptions.

Tech consulting

The tech you use can make or break your business. And our job is ensuring you make the right decisions.

Our team will assess your needs, optimize your processes, and help you choose the right technologies to set you up for success.

Industries

We’ve got experience building enterprise-grade custom software for a wide range of industries like:

• Communication
• Fintech
• Healthcare
• Transportation and logistics
• IoT
• Real estate

Clients

Our top clients include big companies like:

• Microsoft
• AT&T
• Royal Caribbean
• ASEE
• Contentsquare

Tech stack

Here’s a snapshot of just a few of the tools we use:

• Mobile development – Swift, Kotlin, Java, React Native, Flutter, Kotlin Multiplatform
• Frontend – Angular, React, Vue.js
• Backend – Node.js, Java Spring, Ruby on Rails, Quarkus
• Cloud – AWS, Azure, Google Cloud

Pricing

Here’s our pricing:

• Average hourly rate – $50-$99/hr
• Minimum project size – $25,000 for product discovery, $100,000+ for software development

Just keep in mind that this is a broad range – feel free to reach out for a more accurate estimate.

Reviews

On Clutch we have an overall rating of 5 out of 5, based on 13 client reviews.

source: Clutch

Endava

Endava is a public technology company that helps organizations design, build, and modernize custom software through agile engineering, automation, and cloud-native solutions.

source: Endava

It works primarily with mid-market and enterprise clients across regulated and complex industries.

Services

Endava provides end-to-end custom software development, digital transformation, and intelligent automation services.

• Custom software development – Building scalable, enterprise-grade software tailored to complex business requirements.
• Digital transformation – Modernizing legacy systems and improving operational efficiency through agile delivery.
• AI and automation – Implementing intelligent automation and data-driven solutions.
• Cloud services – Cloud strategy, migration, and platform engineering.
• DevOps and quality engineering – Supporting continuous delivery and system reliability.

Industries

The main industries Endava works with include:

• Financial services and banking
• Insurance
• Healthcare and life sciences
• Telecommunications and media
• Retail and consumer goods
• Technology and enterprise services

Clients

Some of the organizations Endava has partnered with include:

• Zeiss
• SOPHiA GENETICS
• Hudson MX
• Lynk & Co

Tech stack

Endava works with technologies such as:

• Backend – Java, .NET, Node.js, and enterprise APIs
• Frontend – Modern JavaScript frameworks (React, Angular, Vue)
• Cloud – AWS, Microsoft Azure, Google Cloud

Pricing

• Average hourly rate – Not publicly disclosed
• Minimum project size – Not publicly disclosed

Pricing is typically defined per project based on scope, delivery model, and technical complexity.

Reviews

Endava doesn’t have any Clutch reviews.

On Gartner’s Peer Insights, however, they have an average rating of 4.7 out of 15 all-time ratings.

source: Gartner

ScienceSoft

ScienceSoft is a Dallas-based IT consulting and software development firm with decades of experience helping businesses build custom software, modernize systems, and adopt data-driven tech like AI and cloud.

source: ScienceSoft

It serves clients globally across many industries with full-cycle engineering and long-term technology partnerships. 

Services

ScienceSoft delivers full-cycle custom software and IT services.

• Custom software development – Building tailored enterprise and client-facing applications.
• Digital transformation & strategy – Helping businesses modernize legacy systems and adopt new tech.
• Cloud, data & analytics – Cloud adoption, big data processing, BI and analytics solutions.
• AI/ML & automation – Implementing machine learning, AI, and intelligent workflows.
• Cybersecurity & QA/testing – Security assessments, vulnerability testing, and quality assurance.

Industries

ScienceSoft works across a broad range of sectors, including:

• Healthcare and life sciences
• Financial services and banking
• Insurance and fintech
• Retail and e-commerce
• Manufacturing and logistics
• Telecom and professional services 

Clients

ScienceSoft’s client portfolio features well-known global enterprises such as:

• IBM
• eBay
• Walmart
• NASA JPL
• Nestlé
• Baxter

Tech stack

ScienceSoft’s engineering uses a wide set of technologies, such as:

• Backend – Java, .NET, Python and scalable service frameworks
• Frontend – React, Angular, Vue
• Cloud platforms – AWS, Microsoft Azure, hybrid architectures

Pricing

Here’s their pricing:

• Average hourly rate – $50-$99/hr 
• Minimum project size – $5,000+ 

Reviews

On Clutch, ScienceSoft has an overall rating of 4.8 out of 5, based on 40 client reviews.

source: Clutch

FullStack Labs

FullStack Labs is a US-based software development company that helps companies build custom digital products using fully integrated, senior engineering teams. 

source: FullStack Labs

It focuses on long-term partnerships, providing nearshore talent that works closely with in-house stakeholders.

Services

FullStack Labs provides custom software development delivered by dedicated senior teams.

• Custom software development – Building web and mobile applications tailored to business needs.
• Dedicated development teams – Providing fully managed, long-term engineering teams.
• Product development – Supporting product strategy, architecture, and delivery.
• Web and mobile development – Developing responsive web apps and native mobile solutions.
• Cloud and DevOps support – Helping teams deploy, scale, and maintain production systems.

Industries

FullStack Labs works with companies across industries such as:

• Software and technology
• Healthcare
• Financial services
• Education
• E-commerce
• Professional services

Clients

Over the years, FullStack Labs has worked with a range of high-profile brands, including:

• Uber
• Siemens
• GoDaddy
• MGM Resorts
• Stanford University

Tech stack

FullStack Labs commonly works with technologies including:

• Backend – Node.js, Python, Ruby, Java
• Frontend – React, Angular, Vue
• Mobile – iOS and Android development
• Cloud – AWS, Google Cloud, Microsoft Azure

Pricing

Here’s their pricing:

• Average hourly rate – $25–$49/hr
• Minimum project size – $25,000+

Reviews

On Clutch, FullStack Labs has an overall rating of 4.8 out of 5, based on 7 client reviews.

source: Clutch

BairesDev

BairesDev is a nearshore software development company that helps businesses build custom software by providing dedicated engineering teams and end-to-end development services. 

source: BairesDev

Founded in 2009, it works mainly with US-based clients, supporting everything from individual projects to long-term team augmentation.

Services

BairesDev provides end-to-end custom software development and dedicated engineering teams.

• Custom software development – Designing and building tailored web, mobile, and enterprise software.
• Dedicated development teams – Supplying fully managed, nearshore engineering teams.
• Staff augmentation – Integrating senior developers into existing in-house teams.
• Mobile and web development – Delivering native and cross-platform applications.
• Data, AI, and DevOps services – Supporting analytics, automation, and cloud infrastructure.

Industries

BairesDev works with companies across industries such as:

• Technology and software
• Financial services and fintech
• Healthcare
• Retail and e-commerce
• Media and entertainment
• Telecommunications

Clients

BairesDev counts several globally recognized companies among its clients, including:

• Google
• Adobe
• Rolls-Royce
• Johnson & Johnson
• Pinterest
• Burger King

Tech stack

BairesDev works with a wide range of technologies, including:

• Backend – Java, .NET, Python, Node.js
• Frontend – React, Angular, Vue
• Mobile – iOS, Android, React Native, Flutter
• Cloud – AWS, Microsoft Azure, Google Cloud

Pricing

• Average hourly rate – $50–$99/hr
• Minimum project size – $50,000+

Reviews

On Clutch, BairesDev has an overall rating of 4.9 out of 5, based on 62 client reviews.

source: Clutch

Netguru

Netguru is a Poland-based software development company that helps businesses design, build, and scale digital products. 

source: Netguru

It’s best known for its strong product mindset, combining software engineering with UX, product strategy, and long-term development partnerships.

Services

Netguru delivers end-to-end custom software development with a strong focus on digital products.

• Custom software development – Building web and mobile products tailored to business goals.
• Product design and UX – User research, UX/UI design, and product discovery.
• Dedicated development teams – Long-term teams integrated with client workflows.
• Mobile and web development – Native and cross-platform applications.
• Data, AI, and cloud services – Supporting scalability, analytics, and automation.

Industries

Netguru works across industries including:

• Fintech and financial services
• Healthcare and wellness
• Retail and e-commerce
• Education
• Technology and SaaS
• Media and marketplaces

Clients

Netguru has delivered projects for major international brands such as:

• Volkswagen
• IKEA
• Babbel
• Keller Williams
• UBS

Tech stack

Netguru commonly works with technologies such as:

• Backend – Ruby on Rails, Python, Java, Node.js
• Frontend – React, Angular, Vue
• Mobile – iOS, Android, Flutter, React Native
• Cloud – AWS, Google Cloud, Microsoft Azure

Pricing

• Average hourly rate – $50–$99/hr
• Minimum project size – $25,000+

Reviews

On Clutch, Netguru has an overall rating of 4.8 out of 5, based on 72 client reviews.

source: Clutch

Intellectsoft

Intellectsoft is a custom software development and IT consulting company that helps enterprises and fast-growing businesses build complex digital solutions. 

source: Intellectsoft

Founded in 2007, it focuses on enterprise-grade software, digital transformation, and emerging technologies for regulated and high-stakes environments.

Services

Intellectsoft delivers enterprise-level custom software development and digital transformation services.

• Custom software development – Building complex, scalable enterprise applications.
• Digital transformation – Modernizing legacy systems and enterprise workflows.
• Mobile and web development – Developing secure, high-performance digital products.
• AI, IoT, and blockchain – Implementing advanced technologies for enterprise use cases.
• Cloud and DevOps services – Supporting infrastructure, scalability, and system reliability.

Industries

Intellectsoft works with companies across industries such as:

• Healthcare and life sciences
• Financial services and insurance
• Construction and real estate
• Travel and hospitality
• Retail and e-commerce
• Technology and enterprise services

Clients

Intellectsoft has collaborated with established global brands, including:

• Harley-Davidson
• Jaguar
• Universal Pictures
• Intel
• Mitsubishi Power

Tech stack

Intellectsoft works with a wide range of enterprise technologies, including:

• Backend – Java, .NET, Python, Node.js
• Frontend – React, Angular, Vue
• Mobile – iOS, Android, Flutter, React Native
• Cloud – AWS, Microsoft Azure, Google Cloud

Pricing

• Average hourly rate – $50–$99/hr
• Minimum project size – $25,000+

Pricing varies depending on project complexity, technology stack, and engagement model.

Reviews

On Clutch, Intellectsoft has an overall rating of 4.9 out of 5, based on 41 client reviews.

source: Clutch

ELEKS

ELEKS is a global software engineering company that helps enterprises and technology companies build, modernize, and scale complex software products. 

source: Eleks

Founded in 1991, it’s known for its strong engineering culture and focus on high-complexity, enterprise-level systems.

Services

ELEKS provides enterprise-focused custom software development and engineering services.

• Custom software development – Building complex, large-scale enterprise systems.
• Product engineering – End-to-end product development from discovery to delivery.
• Digital transformation – Modernizing legacy platforms and enterprise processes.
• Data, AI, and analytics – Implementing data-driven and AI-powered solutions.
• Cloud and DevOps services – Supporting scalable, secure infrastructure and delivery.

Industries

ELEKS works with companies across industries such as:

• Financial services and fintech
• Healthcare and life sciences
• Logistics and transportation
• Retail and consumer goods
• Energy and utilities
• Technology and SaaS

Clients

ELEKS has supported enterprise clients across industries, with notable names including:

• Autodesk
• Aramex
• ESET
• BNY Mellon
• DPD

Tech stack

ELEKS works with a broad enterprise technology stack, including:

• Backend – Java, .NET, Python, Node.js
• Frontend – React, Angular, Vue
• Mobile – iOS, Android
• Cloud – AWS, Microsoft Azure, Google Cloud

Pricing

• Average hourly rate – $50–$99/hr
• Minimum project size – $25,000+

Reviews

On Clutch, ELEKS has an overall rating of 4.8 out of 5, based on 31 client reviews.

source: Clutch

Infinum

Infinum is a Croatia-based software development company that helps businesses design, build, and scale digital products. 

source: Infinum

Founded in 2005, it’s known for combining strong engineering with product strategy and design, working with startups, scaleups, and enterprise clients.

Services

Infinum delivers end-to-end custom software development with a strong product and design focus.

• Custom software development – Building tailored web and mobile applications.
• Product design and UX – Product discovery, UX/UI design, and validation.
• Mobile and web development – Native mobile apps and modern web platforms.
• Digital transformation – Modernizing existing products and internal systems.
• Quality assurance and DevOps – Supporting stability, performance, and delivery.

Industries

Infinum works across industries including:

• Fintech and financial services
• Healthcare and wellness
• Retail and e-commerce
• Media and entertainment
• Education
• Technology and SaaS

Clients

Infinum’s client list includes a mix of global brands and financial institutions, such as:

• Philips
• Signify
• Croatian Postal Bank
• Repsly
• Porsche

Tech stack

Infinum commonly works with technologies such as:

• Backend – Java, .NET, Node.js
• Frontend – React, Angular, Vue
• Mobile – iOS, Android, Flutter, React Native
• Cloud – AWS, Google Cloud, Microsoft Azure

Pricing

• Average hourly rate – $50–$99/hr
• Minimum project size – $25,000+

Reviews

On Clutch, Infinum has an overall rating of 4.8 out of 5, based on 54 client reviews.

source: Clutch

10Pearls

10Pearls is a global software development company that helps enterprises and fast-growing businesses build custom digital products and modernize complex systems.

source: 10Pearls

Founded in 2004, it works closely with clients on long-term initiatives that combine engineering, product strategy, and emerging technologies.

Services

10Pearls delivers custom software development and digital transformation services for complex business needs.

• Custom software development – Building scalable web, mobile, and enterprise applications.
• Digital transformation – Modernizing legacy platforms and improving operational workflows.
• Product development – Supporting product strategy, design, and execution.
• AI and data engineering – Implementing data-driven and AI-powered solutions.
• Cloud and DevOps services – Supporting infrastructure, scalability, and system reliability.

Industries

10Pearls works with companies across industries such as:

• Financial services and fintech
• Healthcare and life sciences
• Education and edtech
• Energy and utilities
• Retail and consumer services
• Technology and SaaS

Clients

10Pearls has worked with organizations in healthcare, education, and the nonprofit sector, including:

• PayPal
• Vodafone
• Verizon
• MedStar Health
• Johns Hopkins University

Tech stack

10Pearls works with a broad range of modern technologies, including:

• Backend – Java, .NET, Python, Node.js
• Frontend – React, Angular, Vue
• Mobile – iOS, Android, Flutter, React Native
• Cloud – AWS, Microsoft Azure, Google Cloud

Pricing

• Average hourly rate – $50–$99/hr
• Minimum project size – $25,000+

Reviews

On Clutch, 10Pearls has an overall rating of 4.9 out of 5, based on 36 client reviews.

source: Clutch

Andersen

Andersen is an international software development company that helps businesses build, scale, and maintain custom software solutions. 

source: Andersen

Founded in 2007, it’s known for its large engineering teams and focus on long-term partnerships with mid-market and enterprise clients.

Services

Andersen provides end-to-end custom software development and dedicated engineering teams.

• Custom software development – Building complex web, mobile, and enterprise applications.
• Dedicated development teams – Long-term teams integrated into client organizations.
• IT consulting – Supporting architecture decisions and technology strategy.
• Mobile and web development – Native and cross-platform digital products.
• QA and DevOps services – Ensuring system stability, performance, and scalability.

Industries

Andersen works with companies across industries such as:

• Financial services and fintech
• Healthcare and life sciences
• Logistics and transportation
• Retail and e-commerce
• Automotive and manufacturing
• Technology and enterprise services

Clients

Andersen publicly showcases work for well-known international companies, including:

• TUI
• MediaMarkt
• BNP Paribas
• Samsung
• Mercedes-Benz
• Mogo Finance

Tech stack

Andersen works with a broad technology stack, including:

• Backend – Java, .NET, Python, Node.js
• Frontend – React, Angular, Vue
• Mobile – iOS, Android, Flutter, React Native
• Cloud – AWS, Microsoft Azure, Google Cloud

Pricing

• Average hourly rate – $50–$99/hr
• Minimum project size – $50,000+

Reviews

On Clutch, Andersen has an overall rating of 4.9 out of 5, based on 129 client reviews.

source: Clutch

Simform

Simform is a US-based digital engineering company that helps organizations build, scale, and modernize custom software products. 

source: Simform

Founded in 2010, it focuses on long-term partnerships, supporting companies with product development, cloud engineering, and digital transformation initiatives.

Services

Simform provides custom software development and digital engineering services.

• Custom software development – Building scalable web, mobile, and enterprise applications.
• Digital product engineering – Supporting product architecture, development, and optimization.
• Cloud and DevOps services – Helping teams migrate, deploy, and scale systems in the cloud.
• Data engineering and AI – Implementing analytics, data platforms, and AI-driven solutions.
• QA and testing services – Ensuring performance, reliability, and security across products.

Industries

Simform works with companies across industries such as:

• Financial services and fintech
• Healthcare and life sciences
• Retail and e-commerce
• Logistics and supply chain
• Technology and SaaS
• Media and entertainment

Clients

Simform’s clients include recognizable brands from media, hospitality, and consumer sectors:

• Sony Music
• PepsiCo
• Hilton
• FujiFilm

Tech stack

Simform works with a modern technology stack, including:

• Backend – Java, .NET, Python, Node.js
• Frontend – React, Angular, Vue
• Mobile – iOS, Android, Flutter, React Native
• Cloud – AWS, Microsoft Azure, Google Cloud

Pricing

• Average hourly rate – $25–$49/hr
• Minimum project size – $25,000+

Reviews

On Clutch, Simform has an overall rating of 4.8 out of 5, based on 82 client reviews.

source: Clutch

Mercury Development

Mercury Development is a US-based software development company that helps businesses build custom software with a strong focus on mobile and enterprise applications. 

source: Mercury Development

Founded in 1999, it has decades of experience delivering complex digital products for startups, scaleups, and large organizations.

Services

Mercury Development provides custom software development with a strong emphasis on mobile and enterprise solutions:

• Custom software development – Building tailored enterprise and consumer-facing software.
• Mobile app development – Developing native iOS and Android applications.
• Product development – Supporting architecture, development, and long-term maintenance.
• UX and product design – Designing user-focused digital experiences.
• QA and testing – Ensuring product stability, performance, and reliability.

Industries

Mercury Development works across industries such as:

• Healthcare and medical devices
• Financial services and fintech
• Retail and e-commerce
• Travel and hospitality
• Media and entertainment
• Technology and software

Clients

Mercury Development has delivered software for major global brands such as:

• Mercedes-Benz
• Fitbit
• HSBC
• Burger King
• Dow

Tech stack

Mercury Development works with a range of established technologies, including:

• Backend – Java, .NET, C++, Python
• Frontend – React, Angular
• Mobile – iOS, Android
• Cloud – AWS, Microsoft Azure

Pricing

• Average hourly rate – $50–$99/hr
• Minimum project size – $25,000+

Pricing varies based on project scope, technical complexity, and engagement model.

Reviews

On Clutch, Mercury Development has an overall rating of 4.8 out of 5, based on 27 client reviews.

source: Clutch

N-iX

N-iX is a global software development company that helps enterprises and technology companies build, modernize, and scale complex software systems. 

source: N-iX

Founded in 2002, it’s best known for long-term partnerships, large distributed teams, and experience with high-complexity enterprise platforms.

Services

N-iX provides enterprise-grade custom software development and IT services:

• Custom software development – Building complex enterprise and customer-facing systems.
• Dedicated development teams – Long-term teams embedded into client organizations.
• Digital transformation – Modernizing legacy platforms and enterprise workflows.
• Cloud and DevOps services – Supporting scalable, secure infrastructure and delivery.
• Data, AI, and analytics – Implementing data platforms and AI-driven solutions.

Industries

N-iX works with companies across industries such as:

• Financial services and fintech
• Healthcare and life sciences
• Manufacturing and automotive
• Retail and e-commerce
• Telecommunications
• Technology and SaaS

Clients

N-iX has partnered with enterprise and technology companies, including:

• Bosch
• Siemens
• eBay
• Inditex
• Credit Agricole

Tech stack

N-iX works with a broad enterprise technology stack, including:

• Backend – Java, .NET, Python, Node.js
• Frontend – React, Angular, Vue
• Mobile – iOS, Android, Flutter, React Native
• Cloud – AWS, Microsoft Azure, Google Cloud

Pricing

• Average hourly rate – $50–$99/hr
• Minimum project size – $100,000+

Reviews

On Clutch, N-iX has an overall rating of 4.8 out of 5, based on 35 client reviews.

source: Clutch

Space-O Technologies

Space-O Technologies is a software development company that helps businesses build custom web, mobile, and enterprise solutions.

source: Space-O Technologies

Founded in 2010, it works with startups, SMEs, and mid-market companies, focusing on cost-effective development and full-cycle delivery.

Services

Space-O Technologies provides full-cycle custom software development and mobile app services:

• Custom software development – Building tailored web and enterprise applications.
• Mobile app development – Developing native and cross-platform mobile apps.
• Web development – Creating scalable, modern web platforms.
• Product development – Supporting idea validation, development, and launch.
• QA and testing services – Ensuring functionality, performance, and stability.

Industries

Space-O Technologies works across industries such as:

• Healthcare
• Fintech and financial services
• Retail and e-commerce
• Logistics and transportation
• Education
• Real estate

Clients

Space-O Technologies highlights work with both global brands and high-growth startups, including:

• Nike
• McAfee
• Saint-Gobain
• NAQEL
• Glovo

Tech stack

Space-O Technologies works with a broad range of technologies, including:

• Backend – PHP, Java, .NET, Node.js
• Frontend – React, Angular, Vue
• Mobile – iOS, Android, Flutter, React Native
• Cloud – AWS, Microsoft Azure

Pricing

• Average hourly rate – $25–$49/hr
• Minimum project size – $10,000+

Reviews

On Clutch, Space-O Technologies has an overall rating of 4.8 out of 5, based on 75 client reviews.

source: Clutch

Need a high-caliber custom software development partner?

If you’re reading this article, you’re probably in the market for a new development partner.

And that’s where we come in.

We’ll keep this pitch short – if you’re in the market for a development partner who can deliver  enterprise-grade custom software and will actually care about its success, you’re in the right place.

Feel free to reach out and our team will be happy to set up an intro call so we can get to know each other better and see how we can help you.