Best SaaS development software houses in Warsaw

Source observations

• The home page presents the company as a certified Vercel partner focused on enterprise AI agents on the Vercel AI Cloud, with Next.js performance and migration work as core services (source).
• Case studies: Planday conversion grew 3x year over year after launch, CookUnity got 70% faster LCP after a 3-month Next.js migration, and Iberion moved 15 WordPress sites to Next.js with a 30% performance gain at 150M+ monthly visits (source).
• The site says the delivery system was refined over 8 years and promotes Atlas, the company's own AI governance layer for delivery (source).
• The footer names Blazity sp. z o.o. at ul. Marszałkowska 89 in Warsaw, KRS 0000743458 (source).

Clients they name: Planday, CookUnity, Iberion

Source observations

• The footer names Sunscrapers sp. z o.o. at Tadeusza Czackiego 15/17 in Warsaw. (source)
• The about page says the company was founded in 2010 and lists 40+ team members, 50+ clients and 200+ projects. (source)
• The about page claims scaleup clients raised 280M USD. (source)
• Featured case studies include 15Five, COTA and Codility. (source)

Clients they name: 15Five, Codility, COTA, TrustedHousesitters, Weekly, Biorelevant

Source observations

• The about page says the story began in 2018, while KRS registered the Polish company in 2022. (source)
• The FAQ puts typical budgets at 25,000 to 100,000+ USD and the average project at 9 months. (source)
• The case studies page lists 49 projects, with PHP tagged in 5, Magento in one and Shopify in one. (source)
• The about page names a second entity, Fively Software Engineering FZCO in Dubai. (source)

Clients they name: Insly, Volt, AviMedical, WebinarNinja, ComFi, Uniqkey, Inzmo

Source observations

• The home page names startups and real estate as its primary focus since 2014. (source)
• Case studies include a blockchain protocol in Scala for a San Francisco company and an anti-piracy video system. (source)
• The Autogala app was built by a designer, five developers and a project manager. (source)
• The privacy policy gives KRS 0000522575, matching the register. (source)

Clients they name: Autogala, Kompas Inwestycji, Enthought, Otro Global, Buildo, Virtual Control, Taskworld

Source observations

• The about page dates the team to 2016 and claims 100+ engineers. (source)
• Staff augmentation is the first of three cooperation models on the home page. (source)
• The home page describes a platform for 108 REVIV clinics in 47 countries. (source)
• The terms name DARLY SOLUTIONS SP. Z O.O. at the registered Warsaw address. (source)

Clients they name: Feliz & Thriving, REVIV

Source observations

• The about page dates the company to 2012 and places headquarters in Kyiv, with an R&D center in Warsaw. (source)
• The privacy policy names Vilmate Sp. z o.o. at Hoża 86/410 in Warsaw as data controller. (source)
• The contact page lists the Warsaw R&D center at Konstruktorska 11 and a sales office in Stockholm. (source)
• A BigCommerce case reports 80% of the codebase refactored and 90% of backend features rewritten. (source)

Clients they name: Awarebee, Rule, Bannerflow, Jobcast, FundedByMe

Source observations

• The home page lists Bubble, n8n, React Native, Node.js and Python among its tools (source).
• It claims delivery up to 40% faster by mixing code, no-code and AI (source).
• The about page names three co-founders and a team of over 20 experts (source).
• The VAT-UE number in the footer matches the NIP in KRS (source).

Clients they name: TaxRobot, DS Stream, Psinder, PartnerPlace, Rialto, DogInclusive

Source observations

• The home page claims 100+ IT professionals and 200+ projects, while the about page says over 50 people. (source)
• The about page says DDI started in 2007, while the Polish company was registered in 2021. (source)
• Case studies describe an LXP built from scratch, an HRIS and an applicant tracking system. (source)
• The about page claims a UN World Summit Award for an eLearning solution. (source)

Clients they name: PAPR, Notesmaster, AllCareForms

Source observations

• The footer gives Stefana Okrzei 1a, lokal 5E in Warsaw and NIP 5214098370. (source)
• The about page claims 100+ AI automations, 57+ web projects, 10+ Electron apps and 23+ browser extensions. (source)
• Case studies come from clients in Canada, Finland, Israel, Denmark and the UK. (source)
• The homepage links an Upwork agency profile and carries a banner in support of Ukraine. (source)

Clients they name: Zoyo, eMathStudio, QWiser, Preely, Edee

Source observations

• The footer lists 101 Ostrobramska Str in Warsaw, matching the register, and an office at 5900 Balcones Drive in Austin, Texas. (source)
• The home page claims 15+ years of experience and 50+ skilled professionals, while the company was registered in 2023. (source)
• The About page describes a focused team working on a limited number of complex systems. (source)
• Case studies keep clients anonymous, such as a remote patient monitoring system for a US company. (source)