Digital excellence for your e-commerce
Individual software development in Berlin
We develop individual digital solutions that are perfectly tailored to our customers' requirements. As a Berlin-based agency for individual software development, we combine state-of-the-art technologies with practical implementation - from innovative e-commerce platforms to complex app and software solutions for D2C, B2C or B2B.
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Why Berlin is the ideal location for individual software development
Berlin is one of Europe's leading tech hotspots and offers a unique ecosystem for digital business models. As a specialized agency for individual software development, we develop solutions in this environment that combine innovation and practicality. Our team of certified developers supports companies from the initial idea through UX/UI design to long-term support. We attach particular importance to tailor-made approaches that optimize your business processes, strengthen your competitiveness and enable sustainable growth.
Our services for individual software development
Ideation, prototyping & validation
We support founders and stakeholders of funded start-ups and corporate ventures right from the early concept phase and jointly develop viable approaches for their digital products. With ideation, prototyping and validation, we create the basis for successful individual software development that is not only technically convincing, but also meets real market needs. In this way, we increase the chances of a stable product-market fit and sustainable revenue models.
CTO & digital taskforce as a service
We take care of the technological implementation so that founders and project teams can invest their full energy in strategic and operational core tasks. Our team integrates seamlessly into your structures and flexibly adds exactly the roles you need - whether CTO, product owner, front-end or back-end development, data analytics, QA or online marketing. This saves you time and money while benefiting from scalable expertise in all areas of digital product development.
Digital products & apps
From business model validation to the re-platforming of complex systems - we stand for the development and optimization of innovative digital products. Whether it's a social commerce platform, app-based booking solution or B2B e-learning and support portal: In over 20 years, we have successfully implemented almost every type of project and constantly expanded our expertise.
D2C- & B2C webshops
Create shopping experiences that strengthen your brand, retain customers and convert them in the long term. Through seamless integration into your existing system landscape, we optimize internal processes, reduce costs with the help of AI and create the basis for satisfied customers. On time and on budget.
Product configurators
Stand out from the competition, win new customers and take the pressure off your sales team with modern online product configurators. Whether AI-supported, in 2D or 3D, as part of your web store or as a stand-alone solution: we support you from the initial idea through to ongoing operation and develop customized systems that are a perfect fit for your business model.
B2B webshops & marketplaces
Unlock new potential in digital B2B sales and optimize internal processes through intelligent process digitization. From (partially) automated quotation creation and approval processes to complex ERP integrations or OCI punchout solutions: The higher the requirements, the better off you are with ACID21.
Our success stories in software development
STASH – Quick Commerce Plattform
"Flink für die Schweiz": Holistic tech stack for the Swiss quick-commerce provider. Development of the entire e-commerce platform with shopping app, pick/inventory app and delivery app. API-first architecture for maximum flexibility and scalability.
From order to delivery
At app store
MyHood – Social Commerce Plattform
Conception, design and development of a community platform for car enthusiasts incl. UI/UX design, app development, community building, TecDoc integration and online marketing.
Reach
Users in 6 months
Hidden Gyms – Booking platform
Development of a booking platform that allows users to book and pay for gym sessions and open doors directly in the app. Full service incl. software architecture, UX design consulting & React Native app development for iOS & Android.
Automated processes
Employee satisfaction
STASH – Quick Commerce Plattform
"Flink für die Schweiz": Holistic tech stack for the Swiss quick-commerce provider. Development of the entire e-commerce platform with shopping app, pick/inventory app and delivery app. API-first architecture for maximum flexibility and scalability.
From order to delivery
At app store
MyHood – Social Commerce Plattform
Conception, design and development of a community platform for car enthusiasts incl. UI/UX design, app development, community building, TecDoc integration and online marketing.
Reach
Users in 6 months
Hidden Gyms – Booking platform
Development of a booking platform that allows users to book and pay for gym sessions and open doors directly in the app. Full service incl. software architecture, UX design consulting & React Native app development for iOS & Android.
Automated processes
Employee satisfaction
ACID21 in Facts & Figures
Figures are more than just statistics - they reflect our many years of experience, our passion for digital solutions and our proximity to our customers. Our key figures show how much expertise and innovative strength we bring to every project as an agency for individual software development - and how we have been creating sustainable digital success for companies from a wide range of industries for over two decades.
23 Years
E-commerce expertise in D2C, B2C and B2B e-commerce solutions
1.000 Projects
From web stores and product configurators to transactional commerce platforms including apps.
25 Experts
Motivated professionals in the field of UX/UI
2 Locations
Locations in Berlin & Heidelberg
Certified expertise from Berlin
At ACID21, we rely on a team of certified experts and developers. Our online store agency in Berlin combines in-depth specialist knowledge with decades of project experience to create solutions that meet the highest quality standards. Each project is individually developed and precisely tailored to the requirements of our customers - for sustainable digital success.
The path to your digital success
- Initial meeting (15-30 min.)
- Follow-up meeting to coordinate requirements (2 hours)
- Recommend system architecture & ideal tech stack (1-2 days)
- Offer & project plan (2-3 days)
- Problem & product definition
- Market & peer research
- Ideation & design thinking
- User research
- Business model canvas
- Feature hypothesis mapping
- First tech assessment
- Product Mapping
- Customer Journeys & Flows
- Interaction design
- (Rapid) Prototyping
- User research & testing
- Qualitative & quantitative validation
- Landing page tests
- Business validation
- Technical architecture
- Tech stack & tooling selection
- Backlog estimation
- Product security design
- Deployment & testing plan
- License management
- DevOps strategy
- Agile development
- SCRUM management
- Environments set-up
- Manual & automated testing
- Analytics & BI implementation
- Technical documentation
- Server Monitoring & SLA
- Performance Optimization
- Feature Enhancements
- Conversion Tracking & Optimization
- Growth Hacking (SEO, SEA, & Social)
Everything about individual software development at ACID21
ACID21 is a specialized software agency in Berlin and offers a comprehensive range of services for digital products. This includes strategic consulting, modern UI/UX design and the individual development of web and app solutions. A particular focus is on customized e-commerce platforms, scalable transaction systems and individual software development that is precisely tailored to the requirements of our customers.
With over 20 years of experience and more than 1,000 successfully implemented projects, ACID21 is one of the leading providers of customized software development in Berlin. Our interdisciplinary team of 25 experts develops innovative and customized solutions that are precisely tailored to our customers' requirements. Thanks to our location in Berlin, we are always personally available and stand for direct communication and close, collaborative partnerships.
ACID21 works across all industries and has already successfully implemented numerous digital projects - from e-commerce and healthcare to the automotive industry and consumer electronics. Thanks to our flexible approach, we develop customized solutions that are precisely tailored to the requirements of each industry and ensure long-term digital success.
Getting started is uncomplicated: Simply get in touch with us via our contact form or make an appointment directly with our Managing Director Jan Zemma. In a personal meeting - also at our premises in Berlin - we will analyze your goals and develop an individual strategy to successfully implement your digital vision.
Talk to us about your project!
ACID21 is your Berlin agency for individual software development - from modern web development and user-centered UI/UX design to innovative, tailor-made e-commerce solutions.
