B2B Company Directory

Top Custom Software Development Companies

A high performing custom software solution is the backbone of your digital operations. From requirements discovery and system architecture to bespoke development and third party integrations, the right development partner turns ideas into scalable products. 10Firms streamlines your search by collecting in depth, verified reviews and performance data on thousands... Read More

220+ Companies Listed Custom Software Development Packages

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Web Development Mobile App Development E-Commerce Development Enterprise App Modernization Low/No Code Development API Development Blockchain Application Testing AR/VR Development IoT Development DevOps Managed Services Application Management & Support Robotics Process Automation Wearable App Development

Best Custom Software Development Agencies

220+ Companies

STRV

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$100,000+ $100 - $149 / hr 11-50 Prague, Czech Republic

Services Provided

10% Web Development

10% AI Development

10% Custom Software Development

+3 more services

50% Mobile App Development

10% UX/UI Design

10% AR/VR Development

About

STRV designs & builds digital products for global brands and high-growth startups. The team works across mobile & web development, product design, data science, and quality assurance in order to deliver end-to-end product solutions. They work in collaboration with companies like Porsche, Tinder, Barnes & Noble, and The Athletic, focusing on creating well-designed, scalable products... STRV designs & builds digital products for global brands and high-growth startups. The team works across mobile & web development, product design, data science, and...

Developer Bazaar Technologies

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$10,000+ $25 - $49 / hr 11-50 Indore, India

Services Provided

15% AI Development

25% Custom Software Development

60% Mobile App Development

About

Developer Bazaar Technologies builds mobile apps and custom software that help businesses so they bring their ideas to life. The company focuses on creating visually strong and high performing digital products that deliver real impact. With a client centric approach, they support businesses in developing scalable solutions that align with their goals and growth plans. Developer Bazaar Technologies builds mobile apps and custom software that help businesses so they bring their ideas to life. The company focuses on creating visually...

10Pines

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$25,000+ $50 - $99 / hr 11-50 Buenos Aires, Argentina

Services Provided

35% Web Development

15% Custom Software Development

50% Mobile App Development

About

10Pines builds custom software solutions for startups & large enterprises across industries. Since 2009, the team has developed web applications, mobile apps, and backend systems for global clients. Their work focuses on delivering tailored and high-quality software that is in line with product growth and business needs. 10Pines builds custom software solutions for startups & large enterprises across industries. Since 2009, the team has developed web applications, mobile apps, and backend systems...

The NineHertz

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$25,000+ $50 - $99 / hr 200-500 Jaipur, India

Services Provided

10% Web Development

30% AI Development

10% Custom Software Development

+1 more services

50% Mobile App Development

About

The NineHertz helps enterprises design, build, and scale AI-driven digital solutions that address complex business challenges. Since 2013, the team has delivered platforms focused on mobile apps, web development, enterprise automation, and data engineering across North America, Europe, and the Middle East. They focus on building scalable systems that support measurable business outcomes and long-term... The NineHertz helps enterprises design, build, and scale AI-driven digital solutions that address complex business challenges. Since 2013, the team has delivered platforms focused on...

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Custom Software Development FAQs

Looking for a Custom Software Development company but not sure where to start? We've put together answers to the most common questions businesses ask when searching for a trusted partner.

How do I choose the right custom software development company for my project?

Start by defining your project scope, budget, and timeline. Look at each firm's portfolio for relevant industry experience, check verified client reviews on 10Firms for reliability and communication, and confirm they have the tech stack your project requires.

How much does it cost to hire a custom software development company?

Costs vary widely based on project complexity, the firm's location, and team seniority. Complex engagements often range from $25,000 to $150,000 or more, depending on scale and specialization required. Use 10Firms filters to compare firms within your budget range.

What is the difference between a custom software development agency and a freelancer?

Agencies typically offer a full team of developers, QA engineers, project managers, and solution architects, with more structured processes, making them better suited for complex or long term projects. Freelancers can be more cost effective for smaller, well defined tasks but often have limited capacity.

How long does it take to build and launch a new application?

These engagements typically take 3 to 9 months, depending on complexity and organizational scale.

Do custom software development companies also handle ongoing support after the project is delivered?

Most firms listed on 10Firms offer post launch support packages covering bug fixes, performance monitoring, and feature enhancements. Check each firm's profile to confirm terms and pricing.

What should I look for in a custom software development company's portfolio?

Look for evidence of clean, scalable code and successful production deployments, and where available, measurable outcomes like faster load times or increased user adoption delivered for past clients.

Can these companies help with related services beyond custom software development?

Many firms on 10Firms offer end to end services covering UX/UI design, quality assurance, and DevOps support alongside core development. If you need a specialist for just one phase, check each firm's service listing to confirm.