Top 100 JavaScript Development Companies in Poland
September 2022Looking for a top JavaScript developer in Poland?
If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. Disadvantages to consider include security such as bugs on the client-side.
To assist you in your search for a partner, we’ve compiled this list of the top JavaScript development agencies in Poland. Browse descriptions, feedback, and awards to find which can best suit your company’s needs. If you need more support, tell us about your project, and we'll match you with recommended companies.
List of the Best Poland JavaScript Developers
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1
- $10,000+
- 50 - 249 employees
- Gliwice, Poland
Based in Gliwice, Poland, The Software House is a development agency that was founded in 2012. They specialize in custom software development (PHP, Node, Javascript, Mobile) for mostly small and medium-sized businesses. So far, their team has completed over 100 web, mobile app, and custom software development projects.
Clients
- eSky.com
- GoConnectIT
- Reservix
- Pet Media Group
Industries
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An energy solutions company hired The Software House to provide a web redesign from scratch. Their efforts also included AWS infrastructure development, cybersecurity, and cloud-based system tasks.
''If you want to build a cloud-based platform, but your business has limited funds, I recommend The Software House.''
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2
- $25,000+
- 1,000 - 9,999 employees
- Łódź, Poland
Headquartered in New York, iTechArt is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, iTechArt has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, iTechArt’s talent pool includes 3500+ engineers with experience in all of the latest technologies.
Clients
- ClassPass
- ZEFR
- Gain Capital (forex.com)
- Merkle
Industries
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iTechArt Group helped a software company develop a complex system with various cloud components from scratch. The team initially discussed the product information, specifications, and implementation process.
"The flexibility and ability to staff unique needs on a very tight timeline were world-class."
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3
- $10,000+
- 50 - 249 employees
- Kraków, Poland
Xfive is a full-stack software house in Krakow, Poland that serves businesses, startups, and creative agencies. Its team of around 50 has delivered web & mobile apps, websites, and e-commerce solutions since 2005 to its clients.
Clients
- Yanmar
- OECD
- SmartRecruiters, Inc.
- Departments of UC Berkeley
Industries
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Xfive is developing a web app for a senior care platform. They’ve collaborated on UI/UX design, and they’re using Ruby on Rails for the backend and Javascript for the frontend development.
“They go above and beyond in terms of their deliverables.”
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4
- $25,000+
- 250 - 999 employees
- Warszawa, Poland
ITMAGINATION is a technology services company in Warsaw, Poland with more than 400 employees. Established in 2008, they do customer software development, web development, and BI and big data consulting. ITMAGINATION primarily serves midmarket–enterprise clients in the financial services, business services, and utilities sectors.
Clients
- Kabbage
- Greenlight
- BNP Paribas
- L'Oréal
Industries
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ITMAGINATION supports an independent multi-issue platform's internal development team. They work on maintaining and improving the company's current application to prevent any breakdown.
"The team has integrated well with our developers and became productive quickly."
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5
- $25,000+
- 250 - 999 employees
- Warszawa, Poland
Altoros is a software development company in Warsaw, Poland. Founded in 2001, Altoros' team of over 350 employees specializes in cloud consulting, BI & big data consulting, blockchain and artificial intelligence services.
Clients
- Allstate
- Siemens
- Huawei
- Toyota
Industries
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Altoros augments the staff of a product development firm to help them build an Adobe Experience Manager platform and its frontend components. They use static HTML, SCSS, and JavaScript for the development.
"Aside from their great work quality, their commitment to flexibility for the partnership's sake is much appreciated."
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6
- $10,000+
- 250 - 999 employees
- Poznań, Poland
Based in Poland, STX Next is a global software development company. The agency was founded in 2005 and carries a team of over 170 full-stack Python developers alone. In total, the company has over 300 professionals that specialize in web development, software development, and application testing.
Clients
- Mastercard
- Decathlon
- Tiqets
- Verisk
Industries
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STX Next has redeveloped a dating app from an existing unfunctional product. Their work has included React Native and Node.js development, focusing on fixing issues and adding new functionality to the app.
“They’re very involved in the project, and they love our business.”
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7
- $25,000+
- 1,000 - 9,999 employees
- Warszawa, Poland
Founded in 1998 in Denver, Itransition now has multiple offices in the U.S., U.K., E.U., and locations in eastern Europe housing more than 2,200 employees. They help power enterprises and SMBs globally with their digital solutions in the areas of business process automation, AI, data analytics, customer experience, and others.
Clients
- Expedia
- Xerox
- Toyota
- eBay
Industries
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Itransition is helping develop and design a web and mobile app for a forensic ballistics company, including the entire backend infrastructure. Currently, they’re working on an AIML project as well.
“Excellency is the most important characteristic of Itransition; they apply it to everything they do.”
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8
- $50,000+
- 250 - 999 employees
- Kraków, Poland
Intetics Inc. is a technology company headquartered in Naples, FL, with offices in Minsk, Belarus, Wilmette, Ill., Krakow, Poland and Kharkiv, Ukraine. Founded in 1995, Intetics' team of 474 employees provides small, midmarket, and enterprise businesses with a variety of different services such as custom software development, mobile app development, and application management & support, among others.
Clients
- Encyclopaedia Britannica
- SugarCRM
- Snap-On
- Würth
Industries
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Intetics Inc. helped a healthcare company automate several business processes. Their work covered accounting and data validation, and they used UiPath and Power Automate for the implementation.
"Intetics made clear budgets and stuck to them."
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9
- $25,000+
- 250 - 999 employees
- Poznań, Poland
Full-stack development company with 230 experts on board who build complex digital products for clients worldwide looking to outsource software development to professionals. Merixstudio’s key expertise is the delivery of high-quality and performant web applications, as well as mobile apps accessible on Android and iOS devices. Based on the needs of clients, they can support in end-to-end product development or seamlessly extend in-house teams of engineers.
Clients
- The Juilliard School
- Toshiba
- GS1
- SendinBlue
Industries
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Merixstudio provided outsourced frontend design for a startup. Their team analyzed technical capabilities and provided coding and engineers that could build out the frontend of the entire product.
"We are now able to launch new products in a matter of days."
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10
- $25,000+
- 250 - 999 employees
- Gliwice, Poland
Future Processing is a software developer based in Gliwice, Poland. Founded in 2000, they now have more than 900 employees. They specialize in custom software development, web development, and enterprise app modernization for primarily midmarket and small business companies in the healthcare, IT, and transportation industries.
Clients
- Allocate
- Demica
- 4 finance
- Coconet
Industries
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Future Processing is providing development resources to support a medicine information publisher’s app development project. They’re providing developers to build the solution, which runs on Microsoft Azure.
"They’ve been predictable and professional from onboarding to engagement."
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11
- $25,000+
- 50 - 249 employees
- Poznań, Poland
Apptension is a creative product studio with almost a decade of experience and 70+ specialists on board. Their bread and butter is pushing the envelope of what innovative digital experiences can look, feel and work like.
Working with founders, investors, and top creative agencies, they bring out-of-the-box thinking, great design, and plenty of technical competence. From an early-stage startup to Uber, they serve clients of various needs and sizes.Clients
- Netflix
- Uber
- Heineken
- Unit9
Industries
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Apptension developed a home management mobile app for a consulting company. The app had three main submodels and a marketplace for home services. The technologies used include Python, React, and React Native.
"The dedicated team was professional, responsive, and proactive with the solutions they offered for our project."
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12
- $25,000+
- 50 - 249 employees
- Gdańsk, Poland
Neoteric is a software development company with about 100 employees. Headquartered in Gdańsk, Poland, the company focuses on small, mid-market, and enterprise clients across industries including information technology, business services, and telecommunications. Neoteric was founded in 2005 and specializes in software development, AI development, and product design.
Clients
- Siemens (Electronics)
- Nestle (FMCG)
- The World Bank (Finance)
- Liveramp (Data integration)
Industries
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Neoteric designed a website for a cloud solutions provider. They worked on improving brand elements such as texts, UX, and color palettes to reflect the company's identity and services.
"They challenged us in a very productive way."
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13
- $10,000+
- 50 - 249 employees
- Warszawa, Poland
Headquartered in Warsaw, Poland and with an office in Atlanta, GA, 10Clouds has built software for businesses worldwide since 2009. The team of 120+ focuses on web development, software development, and DevOps services for scaleups and enterprise clients.
Clients
- Emergent Technology
- Aleph Zero
- Trust Stamp
- Omise
Industries
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10Clouds has provided custom software development services to a music company. They’ve used Python, JavaScript, and solidity to develop a community-building NFT platform for musicians.
"They’ve created a simple, good-looking product with a thoughtful, intuitive flow."
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14
- $25,000+
- 10 - 49 employees
- Wrocław, Poland
Naturaily is an AI development company based in Wroclaw, Poland. Founded in 2012, this team of 21 employees provides web development, IoT development, and UX/UI design services.
Clients
- EA Technology
- Eurobank
- Blue Media
- AW Niemeyer (AWN)
Industries
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Naturaily partnered with a strategy consultancy organization to build a website focused on sustainability. They used Next.js, TypeScript, and Tailwind to design the landing page.
"The communication and workflow in the project were smooth and effortless."
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15
- $25,000+
- 50 - 249 employees
- Gdynia, Poland
Uptech is a web and mobile app development company based in Kyiv, Ukraine. They were founded in 2016 and have a team of about 75 employees. Along with mobile app development and web development, they also specialize in UX/UI design. They mainly serve midmarket and small business clients in the eCommerce, health care, and financial services industries.
Clients
- Unilever(DSC)
- Drone Base
- Aspiration
- Yaza
Industries
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Uptech provides consulting and staff augmentation services to a fintech company for development projects. Currently, they provide a frontend developer and a third-party DevOps engineer for iOS app development.
“Uptech always understands what we actually want.”
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16
- $50,000+
- 10 - 49 employees
- Kraków, Poland
Hatimeria is a web development agency headquartered in Krakow, Poland with a second office in Baar, Switzerland. The agency was founded in 2006 and now employs a team of 25 that specializes in e-commerce and web development.
Clients
- Babauba
- Bedre Nætter
- iBoats
- The Rake
Industries
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Hatimeria provides development support for a Magento development consulting firm. They work on personal and third-party projects with the client, including e-commerce development and React Native app creation.
“They’re always open about their work and abilities, and that’s truly beneficial for us.”
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17
- $25,000+
- 1,000 - 9,999 employees
- Kraków, Poland
Andersen is an international custom software development company that, among other things, specializes in healthcare software development. Since its founding in 2007, the company has opened more than ten development centers and about ten sales offices worldwide. More than 2700 highly qualified specialists work on developing, customizing corporate IT solutions, web applications, and mobile applications. Andersen has completed over 950 projects and received hundreds of positive reviews from clients worldwide. Today the company is working on over 250 projects. Our technology stack includes .NET, C#, Java, Python, PHP, Node.js, TypeScript, Golang, C++, JavaScript, Angular, React.js, Vue.js, HTML, CSS, Java (Android), Swift / Objective C (iOS), React Native, and more. We also offer manual and automated testing, business and data analysis, UI/UX design, DevOps services, IT security management, and L1, L2, L3 support.
Clients
- Samsung
- Johnson & Johnson
- GlobePayroll
- Siemens
Industries
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Andersen Inc. redeveloped a website for a healthcare company that shifted from investigational to commercial use. They built a sitemap, graphics, and animations and added new functionalities.
"We were impressed with how they took care of their teams and held up the business."
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18
- $5,000+
- 10 - 49 employees
- Katowice, Poland
Fooz is a web development agency, founded in 2013 and located in Katowice, Poland. They have more than 25 employees specializing primarily in WordPress and CMS, including e-shops, e-learning sites and landing pages. They work with a range of small and large businesses, offering frontend web development and WordPress design and support.
Clients
- Magnum Photos
- STS
- iteo
- Landingi
Industries
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A SaaS platform rebranded their business, so they hired Fooz for a complete redevelopment of their WordPress website. The client provided mock-ups, and the vendor took care of the development and release.
"The quality is perfect."
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19
- $25,000+
- 50 - 249 employees
- Warszawa, Poland
eTeam is a software development firm based in Kviv, Ukraine. Founded in 2010, eTeam has 30 employees and primarily serves small businesses in the financial services and retail sectors. They mostly work on payment and consumer relations platforms that require custom software development, app development, and web development.
Clients
- VanillaDirect Pay
- InComm
- Bluesnap
- Genie
Industries
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eTeam was hired by a fintech firm to develop their iOS and Android app, providing both front- and backend development. They also created the app's architecture and roadmap at the beginning of the project.
"The quality and diversity of their team were impressive."
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20
- $50,000+
- 50 - 249 employees
- Wrocław, Poland
Monterail is a software development company founded in 2010. The company is located in Wroclaw, Poland where its team of 110+ experts provides web development, custom software development, and IoT development services to mostly small and mid-market businesses.
Clients
- Pizza Hut
- Morizon
- Merck
- Solarflare
Industries
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Monterail provides frontend developers for a restaurant chain's development team. They are tasked with fixing bugs and improving the UI/UX of the company's mobile application.
"The transition from talking, sales, up to starting productive work is completely fluid."
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21
- $5,000+
- 10 - 49 employees
- Łódź, Poland
OSOM Studio is an interactive online solutions provider founded in 2011, based in Lodz, Poland, with an office in Warsaw, Poland. Their team of 15 employees provides web development, UX/UI design, and e-commerce development services to small, midmarket, and enterprise businesses alike.
Clients
- IKEA
- Capgemini
- Vivitek
- OECD
Industries
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Osom Studio has been hired by a managed internet network service provider for branding and design services. They quickly picked up the client's brand style, and they came up with great design ideas.
"The project manager was always proactive, and the designers were delivering on time."
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22
- $25,000+
- 50 - 249 employees
- Warszawa, Poland
Fively is a software development house based in Minsk, Belarus. Founded in 2018, they have 12 employees specializing in full-cycle web and mobile app development for small companies in education, finance, and business services. Services include custom software development, framework and CMS, programming and scripting, and application platforms.
Clients
- Uniqkey
- Bluepeople
- Zentist
- SNAP
Industries
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An IT retail company outsourced part of their software engineering efforts to Fively's resources. The engineers integrated UI updates and built front- and backend solutions using Ruby, JavaScript, and Node.js.
"We made the right decision by scaling up our team with their resources."
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23
- $10,000+
- 50 - 249 employees
- Warszawa, Poland
Spiral Scout is a full-service software development company based in San Francisco with offices in Europe. Since 2010, the company has collaborated with a wide range of clients, from back-of-the-napkin startups to Fortune 100 companies including Zoom, Coca-Cola, Made In Cookware, Consensus, Adobe, and P&G. While Spiral Scout does all kinds of custom software development, including product strategy, product design, full-stack engineering and digital marketing, eCommerce is a huge percentage of the company's DNA, and Shopify represents about 70% of that eCommerce work.
Clients
- Zoom
- SoFi
- Coca Cola
- Proctor & Gamble
Industries
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Spiral Scout has created an e-commerce platform for an online funeral services company. The site has various integrations and detailed workflows to allow clients to make funeral arrangements online.
“Although Spiral Scout is very quick to understand, their moves and processes are very deliberated.”
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24
- $10,000+
- 10 - 49 employees
- Chorzów, Poland
Headquartered in Gliwice, Poland, CHALLENGE Studio is a creative agency. Serving mostly small to midmarket businesses across a variety of industries, their team of fewer than 10 employees offers branding, UX/UI design, web design, and packaging design services. They were founded in 2013.
Clients
- Amazon Poland
- Techland
- SalesViewer GmbH
- Nubilaria srl
Industries
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A marketing consultancy has hired CHALLENGE Studio to design and build a catalog for their end customer. The team led a design thinking process with workshops for the design. Next, they’ll build a website.
“Their approach lets us easily see how the project is developing and what step they’re in.”
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25
- $10,000+
- 50 - 249 employees
- Warszawa, Poland
Celadon is a mobile and web app developer headquartered in Dubai with an office in Minsk, Belarus. Founded in 2012, their team of 71 employees specializes in mobile app development, custom software development, and web development. They work primarily with small and midmarket businesses, focusing on business services, education, healthcare, and medical.
Clients
- Coolpass
- L'ETO
Industries
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Celadon has been hired by a private equity fund to build an app intelligence platform. They've also evaluated the prototype and UI/UX design of the app before proceeding to the development phase.
"The team drew from their past experience to advise the best architecture."
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26
- $50,000+
- 250 - 999 employees
- Kraków, Poland
Codete is a Berlin based IT consulting and software development company. They were founded in 2010 and have a team of 104 employees who specialize in AI, big data consulting, and mobile app development. They mainly work with mid-market and enterprise clients in the financial services, automotive, and eCommerce industries.
Clients
- Blinkist
- BMW
- Cisco
- Dalia Research
Industries
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Codete is augmenting a digital agency's development capabilities by providing backend development services. The team provides suitable candidates with the skill sets needed for a specific development project.
"Their willingness to learn constantly is commendable."
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27
- $25,000+
- 50 - 249 employees
- Gliwice, Poland
Brainhub is a software development partner for startups, scaleups and enterprises with ambitious product development plans. Founded in 2014, Brainhub is a team of 95 experts in Node.js, ReactJS, .NET, TypeScript and React Native that helped 65+ fintech, edtech, martech, healthcare and gamedev companies scale their web and mobile app development. Recognized as one of the fastest growing companies in Europe by Financial Times, Deloitte and Forbes.
Clients
- National Geographic
- Paradox Interactive
- TC Global
- Collegial
Industries
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Brainhub provided frontend development for a wealth management platform. They were embedded in the client’s in-house Scrum teams and used React, Redux, and TypeScript. The team also helped implement Cypress.
“Brainhub was very engaged and provided the best service possible.”
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28
- $10,000+
- 2 - 9 employees
- Kraków, Poland
Softnauts is a software development company founded in 2012. Since then the company has expanded to 30 employees and is headquartered in Krakow, Poland. Softnauts focuses on mobile app development, web development, custom software development, and UX/UI design for companies of various sizes.
Clients
- Tesco
- PregLife
- Exhibit-E
- World Customs Organization
Industries
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Working from scratch, Softnauts designed, developed, and launched an iOS dating application. The app has messaging, swiping, and video-chat technology, as well as conversation starters to initiate interaction.
"Thanks to Softnauts, we developed something that’s really extraordinary."
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29
- $10,000+
- 50 - 249 employees
- Wrocław, Poland
Founded in 2018, Bejamas is a digital development agency that offers web development, web design, and e-commerce development services to their small business, mid-market, and enterprise clients. Their 50 employees are based out of Wrocław, Poland.
Clients
- Backlinko
- Newfront Insurance
- Mambu
- Avenues: The World School
Industries
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A pet insurance company collaborates with Bejamas to develop an e-commerce website on Jamstack using Gatsby. They have also integrated a CMS and other personalized functionalities into the web app.
"All the Jamstack knowledge really makes them stand out."
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30
- $5,000+
- 10 - 49 employees
- Kraków, Poland
JustIdea Agency is an interactive agency founded in 2015 and based in Kraków, Poland. With fewer than 10 employees, they offer e-commerce development, advertising, and conversion optimization services for small businesses in the field of e-commerce.
Clients
- Toyota ANWA
- iMad
- Nico
- PeppeShoes
Industries
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A sales training company hired JustIdea Agency to provide advertising services. Their efforts include creating online graphics, ads, and copywriting for downloadable content and social media channels.
''They’re trustworthy partners who can help us achieve our goals.''
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