Top 10 JavaScript

Companies in Warsaw

Warsaw is more than just Poland’s capital—it’s a city that blends history with modern progress. The city has a strong pool of IT talent, which attracts major companies like Google, Microsoft, and Amazon. The tech sector accounts for about 8% of Poland’s GDP, and startups have raised over $300 million in recent years. More than 280 startups operate in Warsaw, making up 35% of the country's startup scene. With a population of 1.8 million and a central location in Europe, Warsaw has a big role in business, innovation, and international tech connections.

How Did We Pick the Best?

XB Software

Warsaw, Poland

Team Size 50-249

Cost of Services $$$$$ $30-70/h

5.0

8 Reviews

Service Focus:

Custom Software DevelopmentWeb DevelopmentIT Staff Augmentation + See more

Description

XB Software is a full-cycle development company of custom enterprise and BI solutions as well as own web products. We have a strong and dedicated team of IT professionals engaged in web & mobile app development, business analysis, and quality assurance. We use cross-platform frameworks and technologies, such as Webix JavaScript UI library that allows creating consumer-centric and business applications for different industries. We build c...

Our Take

TechBehemoths recommends XB Software as one of the most trustworthy IT service providers. With a strong profile on TechBehemoths, they have 17 years of experience, 8 positive testimonials, and 49 projects successfully completed, ranking in the top 15% of over 50,000 IT companies on our platform.

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Movadex | Technology with beauty and power

Warsaw, Poland

Team Size 50-249

Cost of Services $$$$$ $30-70/h

5.0

5 Reviews

Service Focus:

Web DevelopmentCustom Software DevelopmentUX/UI Design + See more

Description

Movadex is a creative agency and software development company, co-founded by a Stanford MBA, specializing in innovative tech, design, branding, and digital solutions. We build custom websites and mobile applications, combining stunning UI/UX with cutting-edge tech like artificial intelligence, mobile vision and AR. Our native and cross-platform mobile development expertise lets us create complex, high-performance apps.Why Choose MovadexExcellence...

Our Take

Movadex | Technology with beauty and power is listed as one of the most trusted IT service providers on TechBehemoths. Their excellent profile score is based on 9 years of experience, 5 positive testimonials, and 19 completed projects, placing them in the top 29% of over 50,000 IT companies on our platform.

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TeaCode.io

Warsaw, Poland

Team Size 10-49

Cost of Services $$$$$ $30-70/h

5.0

3 Reviews

Service Focus:

Artificial IntelligenceCustom Software DevelopmentMobile App Development + See more

Description

We specialise in enhancing existing applications with AI solutions and building custom software solutions (for web and mobile). Our expertise also covers custom AI development and integrations, process automation, and app modernisation. We deliver high-quality, AI-powered solutions tailored to your business and audience. Whether starting from scratch, taking over an ongoing project, or modernizing an app, we prioritise cost-efficiency and ma...

Our Take

Being one of the local market leaders, TeaCode.io offers top-notch IT services to improve company operations and client retention. Distinguishing themselves with numerous successful projects, positive testimonials, and years of experience, TeaCode.io has demonstrated professionalism and responsiveness.

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Plej

Warsaw, Poland

Team Size 50-249

Cost of Services $$$$$ $150-250/h

4.8

5 Reviews

Service Focus:

AdvertisingEvent Marketing & PlanningDigital Marketing + See more

Description

At Plej, we have built our position as a versatile business partner that seamlessly integrates communication, events, and cutting-edge technology to creatively, precisely, and effectively build brand value. Our strength lies in the unique combination of specialized expertise, proven experience, and an innovative approach to every challenge.We operate as a Swiss army knife for brands - a multifunctional tool equipped with various specializations,...

Our Take

Considering their vast industry know-how, positive customer feedback, and successful project showcases on TechBehemoths, you can trust Plej to be your partner in building your IT project.

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Celadonsoft

Warsaw, Poland

Team Size 50-249

Cost of Services $$$$$ $30-70/h

5.0

3 Reviews

Service Focus:

Mobile App DevelopmentWeb DevelopmentCustom Software Development + See more

Description

Celadonsoft is a trusted partner in outsourcing and outstaffing services, delivering high-quality, tailored software solutions. Our experienced developers, business analysts, and project managers ensure clear communication, adaptability, and a client-first approach. We are ISO 9001 certified, ensuring top-tier quality management standards in all our services.Our ServicesWe provide a range of development solutions:Outsourcing: Full-cycle developme...

Our Take

Celadonsoft has built a solid reputation as a reliable agency through years of experience, satisfied clients, and a diverse portfolio. Their TechBehemoths profile perfectly captures their industry know-how and skills.

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Codefia

Warsaw, Poland

Team Size 10-49

Cost of Services $$$$$ $30-70/h

5.0

5 Reviews

Service Focus:

Custom Software DevelopmentMobile App DevelopmentIT Staff Augmentation + See more

Description

Codefia is a software house that creates high quality custom web applications, systems and scalable software using modern tools with proven methodology. We are an experienced team of programmers, UX/UI designers, back-end developers, front-end developers with over 10 years experience in IT industry. We work for big and medium size companies, but also we work for start-ups. We are using current trends and principles in the design and development o...

Our Take

Codefia is one of the local market leaders and stands out for its quality, trust, commitment, and constant growth. These values have helped them to rank among the top IT services providers on Techbehemoths, to deliver successful projects and to get satisfied clients and visibility.

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SENLA| Software Engineering Laboratory

Warsaw, Poland

Team Size 250-999

Cost of Services $$$$$ $30-70/h

5.0

5 Reviews

Service Focus:

Custom Software DevelopmentIT Staff AugmentationBlockchain + See more

Description

SENLA is Europe’s premier Talent Augmentation provider, offering a network of 700+ skilled tech professionals. Renowned companies like BOSCH, IKEA, Bayer, and Deloitte trust us to strengthen their tech teams with top engineers, architects, and data scientists. Our innovative talent system delivers 95% client satisfaction and a 94% staff retention rate. With flexible solutions — individual specialists, dedicated teams, or development c...

Our Take

Out of 50,000 IT companies listed on TechBehemoths, SENLA| Software Engineering Laboratory is one that we could recommend for their services. Their reputation lies on facts such as 13 years of experience, 33 projects delivered and more than 5 happy clients. It is very likely that they could help you with your next IT project

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