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.
Endava is a public technology company that helps organizations design, build, and modernize custom software through agile engineering, automation, and cloud-native solutions.
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.
FullStack Labs is a US-based software development company that helps companies build custom digital products using fully integrated, senior engineering teams.
BairesDev is a nearshore software development company that helps businesses build custom software by providing dedicated engineering teams and end-to-end development services.
Intellectsoft is a custom software development and IT consulting company that helps enterprises and fast-growing businesses build complex digital solutions.
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.
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.
10Pearls is a global software development company that helps enterprises and fast-growing businesses build custom digital products and modernize complex systems.
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.
Mercury Development is a US-based software development company that helps businesses build custom software with a strong focus on mobile and enterprise applications.
Want more custom software development companies? Visit DesignRush
Although not a custom software development company, DesignRush is the best place to find one. It’s a Florida-based B2B platform that connects businesses with vetted software development companies, digital agencies, and tech service providers worldwide.
It serves as both a discovery engine and a project marketplace, helping brands find the right software development partner faster, without the guesswork of vetting from scratch.
Services
DesignRush offers a suite of tools and services designed to help businesses find and hire top software development talent.
Agency directory – A curated, verified directory of 30,000+ software development companies ranked by expertise, reviews, pricing, and client history.
Project marketplace – Businesses post software development briefs and receive matched proposals from pre-vetted agencies, free of charge.
Vendor vetting & rankings – Proprietary methodology evaluates agencies across technical capabilities, client satisfaction, portfolio quality, and industry specialization.
Trend reports & insights – In-depth research on software development trends, tech stacks, pricing benchmarks, and industry best practices to guide smarter hiring decisions.
Design awards – Recognition program spotlighting the best-in-class digital products, including software interfaces and web applications.
Industries
DesignRush connects businesses with software development partners across a wide range of sectors, including:
Financial services and fintech
Healthcare and life sciences
Retail and e-commerce
Media and entertainment
Technology and SaaS
Education
Reviews
DesignRush has a rating of 4.7 out of 5 on Trustpilot, based on 306 client reviews.
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.
A seasoned software engineering executive, Marin’s role combines his in-depth understanding of software engineering processes (particularly mobile) with product and business strategies. Humbly boasting 20+ years of international experience at the forefront of telecoms, Marin knows how to create and deliver state of the art software products to businesses of all sizes. Plus, his skills as a lifelong basketball player mean he can lead a team to victory.
When he’s not hopping from meeting to meeting, you’ll find Marin listening to indie rock, or scouring the latest IT news.
Want to know how to measure ROI of your custom software solution? We've got you covered - you'll find out how to do it, key metrics to track, and more.
Here, we'll be taking a look at industries that benefit the most from custom software development, the top use cases in each, and how to tell if it's right for your business.