Digital solutions from Berlin
Digital agencyBerlin
Whether planning, strategy, design or development - as an experienced digital agency in Berlin, we at ACID21 have been developing customized digital solutions for companies of all sizes for over 20 years. From web stores and marketplaces to configurators and transactional e-commerce platforms including apps - for D2C, B2C and B2B.
Contact us nowWhy a digital agency from Berlin is the right choice
Berlin is one of the most important tech locations in Europe and attracts start-ups, companies and digital talent from all over the world. The capital is synonymous with creativity, innovation and a dynamic ecosystem for digital business models. This is exactly where our digital agency Berlin is anchored. As an experienced digital agency in Berlin, we develop solutions that combine technological excellence with practical implementation. With modern technologies, agile methods and a strong local network, we design digital strategies and platforms that make companies from Berlin and far beyond sustainably successful.
Services of our
digital agency
in Berlin
B2B webshops & marketplaces
Open up the digital B2B sales channel and digitize internal processes. Whether (partially) automated quotation creation and approval processes or with ERP integration and OCI punchout: the more demanding, the more right you are with the Berlin digital agency ACID21.
D2C-B2C Webshops
Create brand-loyal shopping experiences that convert quickly and retain customers. Through seamless integration into your system landscape, we reduce internal process costs with AI and lay the foundation for satisfied customers. On time, on budget.
Transactional platforms & apps
We help you to digitize complex transaction processes and develop innovative digital products. Whether it's a social commerce platform, an app-based online booking platform or a B2B e-learning and support portal, we have implemented (almost) everything in the last 23 years.
Product configurators
Differentiate yourself from the competition, tap into new markets and take the pressure off your sales team with online product configurators. Whether AI-controlled, 2D or 3D, integrated into your web store or standalone: from the initial concept to operation, we ensure that everything runs according to plan.
Success stories from our
Berlin digital agency

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
in the App Store
Figures & Facts of your digital agency Berlin
Our figures speak for themselves: they stand for successful projects, many years of experience and the passion with which we transform digital ideas into sustainable solutions. Each key figure is an expression of our expertise as a digital agency in Berlin - and shows how we support companies in their digital transformation.
23 years
E-commerce expertise in D2C, B2C and B2B e-commerce solutions with Shopware
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 development team
Our digital agency in Berlin relies on a team of certified experts and developers. With in-depth specialist knowledge and many years of project experience, we implement individual solutions that meet the highest quality standards and are precisely tailored to the needs of our customers.
Our path to 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)
Book initial consultation
- 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 you need to know about the Berlin-based digital agency ACID21
ACID21 offers a comprehensive range of digital services, including strategy development, UI/UX design, web and app development and performance marketing. Our focus is on the creation of customized e-commerce solutions, transactional platforms and individual software applications.
With 23 years of experience and more than 1,000 successfully completed projects, ACID21 stands for digital excellence. Our interdisciplinary team of 25 digital experts develops innovative solutions that are specifically tailored to the needs of our clients. If you are from Berlin, we are on site and look forward to a personal exchange.
ACID21 works across industries and has realized projects for clients in various sectors, including e-commerce, healthcare, automotive and consumer electronics. Our flexible and customized solutions are tailored to the specific requirements of each industry.
Yes, as a full-service digital agency, we design and develop customized software solutions and native apps for iOS and Android. Our expertise covers the entire product development process - from the idea and design through to implementation and maintenance.
You can reach us via our contact form on the website or make an appointment directly with our Managing Director, Jan Zemma. We look forward to realizing your digital visions together.
Let's realize your idea together!
ACID21 is your competent digital agency from Berlin - specialized in web development, UI/UX design, digital platforms, e-commerce and more.
















