End-to-end software development
We help ambitious organisations turn complexity into clarity with digital products that scale, adapt and endure. Our teams deliver custom software solutions that create measurable value today and evolve for tomorrow, combining business insight with technical excellence to achieve sustainable long-term success.
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Mobile App Development
We design mobile applications that are intuitive, reliable and built for the long term, from standalone products to IoT companions and more, always aligned with your business goals.
- Kotlin
- Swift
- React Native
- Expo
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Web Development
Our web applications go beyond static sites, delivering responsive, secure platforms such as dashboards, portals and data-heavy systems that scale with your product and your users.
- Next.js
- Angular
- NestJS
- FastAPI
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Iot & Cloud Solutions
Connected devices, cloud-native platforms, self-hosted solutions, you name it; we build secure, scalable systems that connect physical products to digital infrastructure, delivering efficiency, insight and long-term resilience.
- AWS
- Microsoft Azure
- Terraform
- Kubernetes
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AI & Machine Learning
We integrate AI where it makes a difference, applying predictive analytics, recommendation engines and automation to create smarter products and measurable business outcomes.
- Python
- LangChain
- Pandas
- TensorFlow
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Product Development
Starting from raw concepts through launch and beyond, we support the full product journey with discovery workshops, lean MVP builds and long-term development that prioritises scalability and user experience.
- MVP Development
- Discovery Workshops
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Team Augmentation
Scale fast with vetted engineers and technical leads who embed directly into your workflows, strengthening your team’s capacity, knowledge and delivery without long hiring cycles.
- Engineers On-Demand
- Dedicated Teams
About us
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150 clients
trusting our work
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50 experts
in our team
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9 countries
we are active in
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15 years
on the market
Since 2010, we have grown from Poland to world-wide delivery, earning recognition from industry leaders like Deloitte and Clutch. Our story is one of steady growth, trusted partnerships and a commitment to purposeful software that adapts to tomorrow’s challenges.

Industries
PropTech
Real estate and property management companies modernise operations, improve energy performance and integrate smart building tech with DO OK. We connect devices, unify building data and enable ESG reporting for more efficient, transparent, future-ready property management.
Health & Wellbeing
We design digital health platforms that empower users while protecting data privacy and building trust. For everything from wellbeing apps to telemedicine and data management systems, our solutions blend rigorous compliance with engaging experiences that improve lives and support healthcare providers.
Insurance
Efficiency and loyalty in the insurance industry depend on modern, data-driven platforms. We deliver solutions that streamline claims, personalise offerings and keep policyholders engaged, all while aligning with GDPR and ISO standards across diverse European markets.
EdTech
Education technology is evolving fast, and we build tools that make learning more accessible, interactive and measurable. Our scalable platforms support adaptive learning, gamified experiences and safe, ethical AI-driven personalisation to keep students engaged and teachers empowered.
Logistics
Supply chains rely on transparency, efficiency and trust. DO OK develops platforms for asset tracking, fleet optimisation and ESG reporting that connect data across silos, helping carriers, shippers and operators make smarter decisions with real-time insights.
IoT
Connected devices are transforming industries from manufacturing to healthcare. We design IoT platforms that deliver insights, automation and cost control, balancing edge and cloud to match business priorities and scale effectively.
Other
Our expertise extends beyond core sectors, with successful projects across a wide variety of legacy and emerging industries. We apply proven technical capabilities to new domains quickly, adapting to specific regulations, user needs and market contexts.