Top Software Development Companies for Software Testing

Between them, the 129 software development companies on this page cover software development (116), web development (100), web design (99) and UI/UX design (83). They also list work in Lviv, Kyiv, Ivano Frankivs'k, Ukraine and Europe. 129 of them have written a profile you can read before you get in touch.

1. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
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   Jit Team

   Software Development · Web Design · E-Commerce Development · Also in Poland

   Jit Team is an IT services company with its headquarters in Gdansk, Poland.

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   Kroon

   Custom Software Development · Software Development · Web Development · Also in Serbia

   Kroon is a studio offering full-cycle product development. It guides clients through a structured path from idea to market-ready product, relying on continuous testing and user…

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   Lhasa Limited

   Software Development · Web Development · Web Design · Also in United Kingdom

   Lhasa Limited is a not-for-profit organisation that develops in silico software for chemical safety assessment.

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   Limestone Digital

   Supply Chain, Logistics, and Transport · Mobile App Development · Software Development · Also in Czech Republic

   Limestone Digital helps established companies bring AI into software they already run, rather than rebuilding from scratch.

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   Metamins

   Mobile App Development · Custom Software Development · Software Development · Also in United States of America

   Metamins is a software engineering company that delivers full-cycle web and mobile development.

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   Metryus

   Mobile App Development · Software Development · Web Development · Also in United Kingdom

   Metryus is a software company that builds web and mobile applications for the financial technology sector.

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   Mooncascade

   Software Development · Web Development · Web Design · Also in Estonia

   Mooncascade is an advisory, design and software development company from Estonia. Four software engineers started it, two of them former Skype engineers.

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   NS

   NBC Sp. Z O.O.

   Mobile App Development · Software Development · Web Development · Also in Poland

   Polish IT company providing team extensions, software maintenance and project development to finance, banking, media and technology clients

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    Nonstop

    Software Development · E-Commerce Development · CRM Development · Also in Poland

    Nonstop is a software house based in Kraków, Poland, building bespoke IT systems for clients in Poland and abroad.

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    Nordlogic Software

    Software Development · Web Development · Web Design · Also in Romania

    Nordlogic Software is a Romanian company that develops software and offers IT consulting.

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    Panaxeo

    Mobile App Development · Software Development · Web Development · Also in Slovakia

    Panaxeo is a software engineering company based in Slovakia. It serves customers across the globe and works across industries and technology stacks.

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    Perfectial

    Mobile App Development · Custom Software Development · Software Development · Also in Ivano Frankivs'k, Ukraine and Lviv

    Perfectial is a software development company that helps businesses of different sizes start, grow and scale their products.

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    Plathanus Consultoria e Gestão

    Software Development · Web Development · Web Design · Also in Brazil

    Plathanus Consultoria e Gestão is a software and consulting company that builds custom digital products for businesses of different sizes.

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    Programming Pool

    Mobile App Development · Software Development · Web Development · Also in Romania

    We began working together in 2001, and during these years we never stopped thinking bigger.

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    PURPLE - Software Playground

    Web Development · Web Design · Quality Assurance · Also in Israel

    PURPLE, branded as Software Playground, is a software development company based in Petah Tikva, Israel.

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    Qwerty.Software

    Mobile App Development · Software Development · Web Development · Also in Lithuania

    Since 2015, Qwerty.software has grown from a small team of IT enthusiasts into an international software development company with a workforce of 80+ IT experts and counting.

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    On record: Small team

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    Rails Reactor

    Mobile App Development · Software Development · Web Development · Also in United States of America

    Software company building custom products for startups, small businesses and large enterprises across several technology stacks

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    Rangle.io

    Software Development · UI/UX Design · IT Services · Also in Canada

    Rangle.io is a digital product engineering consultancy. It describes its approach as agentic engineering, with small expert teams shipping production software in weeks.

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    Regnos s.r.o.

    Artificial Intelligence - AI · Software Development · Quality Assurance · Also in Czech Republic

    Regnos s.r.o. is a software company based in Liberec in Liberec.

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    riwers

    Mobile App Development · Software Development · Web Development · Also in Switzerland

    Swiss-run software development company with a development centre in Bratislava, offering product engineering and AI services

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    Sednor Holdings Limited

    Software Development · Web Development · Web Design · Also in United States of America

    Sednor Holdings Limited is an outsourcing company from Ukraine that provides software development and IT consulting.

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    Sigma Software Group

    Mobile App Development · Software Development · Web Development · Also in Ukraine

    Sigma Software Group is a technology consulting and software development company with offices in Europe, North America, Asia and Latin America.

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    Skillbill srl

    Mobile App Development · Software Development · Web Development · Also in Italy

    Skillbill srl is a software development house that builds media, cloud and industrial software for mid-sized and large organisations, including multinationals.

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    SocraLogic Limited

    Mobile App Development · Software Development · Web Development · Also in United Kingdom

    SocraLogic Limited is a software development consultancy. It helps IT teams and businesses speed up delivery, fix troubled projects and bring order to complex software.

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