What we do
Main areas
Cloud & infrastructure
Architecture, migrations and operations: Google Cloud Platform, Kubernetes, Firebase, Linux, CI/CD. Cost optimization, scalability and operational resilience.
Read more →AI & automation
AI workflows, integrations and business process automation — including no-code tools — that simplify operations and take work off your team.
Read more →Digital products & platforms
Websites, applications, APIs and CMS platforms. We run the project from discovery, through design and implementation, to growth and maintenance.
Read more →Additional areas
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Custom software development
Custom software: web and mobile applications, websites and platforms, internal systems, integrations and APIs, plugins and extensions. A team for the project, stages with acceptance criteria, code in your repository. Read more →
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Marketing & communications
Communication strategy, content, day-to-day running of social media and websites, SEO and visibility in AI answers, Google Marketing Platform under control. With the help of AI, with an author behind every piece of content. Read more →
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UX/UI & design
Human-centered interfaces, wireframes and prototypes. We care about usability, accessibility and SEO, not just looks.
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Security & privacy
Privacy by design, infrastructure modernization and hardening, analytics and access governance. Security as part of the system, not an add-on.
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Edge, IoT & hardware
Prototyping devices and distributed systems: Raspberry Pi, microcontrollers, embedded Linux, sensors and audio/video streaming. Read more →
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Buildings & facilities
Video monitoring, access control, networks and sensors for housing communities, offices and companies. Modern systems instead of a random set of devices — compliant with regulations, including GDPR. Read more →
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Custom R&D
We develop solutions for specific client needs: business IT systems, integrations and devices — from idea and prototype to deployment. Read more →
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Digital compliance
Licenses, user consents, GDPR and AI-generated content. We keep a whole ecosystem of websites compliant with regulations and consistent with its standards. Read more →
We are not starting from scratch
Founders’ achievements
Kol.ski is a new company, but its founders have worked in technology for years. Their experience covers projects delivered before it was set up — directly and in cooperation with agencies — for startups, agencies and large organizations, in sectors including healthcare, FMCG, e-commerce, telecom, aviation, insurance and e-mobility. A company since 2026, a practice since 2009: the full timeline is on the founders page.
Many brands, one platform
We built and maintained the sites of many brands on shared infrastructure, across several markets at once.
Costs down, scale up
We cut cloud and operating costs while the number of sites, integrations and automations grew: static publishing and resources that run only when they are needed.
Security built into the architecture
We designed infrastructure where every site is isolated and the admin panel sits behind a private tunnel and a sign-in gate.
Small team, large scale
A technical team of a few people can run dozens of sites. Scale comes from architecture and optimization, not headcount.
Access under control
We organized permissions for many organizations at once — the client, agencies and media houses — in one system.
Analytics and consent
We set up analytics, tagging and consent management in one consistent layout for whole portfolios of sites.
In numbers — projects, technology and community
- 30+
- years in technology
- We saw the early days of the internet in Poland and helped build it from the start: BBSes, forums, websites.
- In the ’90s we built PCs and set up home and internal networks.
- Own technology practice since 2009, leading large digital environments since 2014.
- A sole proprietorship since 2016, the company since 2026 with its body of work brought in under copyright transfer contracts.
- From hardware and networks, through web and cloud, to AI workflows.
- −80%
- infrastructure and operating costs after a platform rebuild
- Achieved while the number of sites, integrations and automations kept growing.
- Static publishing instead of always-on servers, machines that switch off when nobody needs them.
- One shared platform instead of a separate setup for every site.
- 6+ years
- without a security incident on the sites we ran
- No break-ins, defaced pages or injected spam on the platforms we ran.
- The result of rebuilding the infrastructure and keeping it hardened ever since.
- Every site is isolated: its own machine, private tunnel and login gate in front of the CMS.
- ~250
- events organized
- Conferences: DevFest, Google I/O Extended, Arduino Day.
- Workshops, hackathons, livestreams and mentoring programs.
- The largest initiatives run with a team of 30+ co-organizers.
- 250+
- cloud projects under one governance
- Across several organizational structures, with one model of roles and permissions.
- From static sites and files, through APIs and databases, to analytics.
- More than 40 Google Cloud and Firebase services in use — from hosting to AI.
- 20+
- years in tech communities
- Since 2002: Linux User Group meetups in Warsaw.
- Since 2011 as organizers — from Google Technology User Group Warszawa to today’s Google Developer Group Warsaw.
- Today it is a community of thousands of members.
- 100+
- virtual machines maintained
- Every site has its own isolated machine.
- Machines start for the time of work and switch off by themselves when they are not needed.
- Automatic health checks and one panel to manage them all.
- 120+
- analytics properties brought into one consistent setup
- Google Analytics properties for sites and campaigns, plus Tag Manager containers.
- One pattern for names, structure and permissions.
- Access for the client, agencies and media houses granted and reviewed in one place.
- ~150
- events supported
- Events by other communities, startups and partners — as speakers, mentors or co-organizers.
- Work with technology partners, sponsors and global organizations.
- In Poland and abroad.
- 25+
- in-house tools and automations
- Static publishing of sites, contact forms, consent and cookies.
- Monitoring, panels for managing machines, and task synchronization.
- Increasingly with the help of AI — from content analysis to automating repetitive work.
Community & training
We teach what we practice
It started in the audience. In 2002 Jakub went to a Linux User Group meetup in Warsaw and walked out with his first Slackware live CD. He has been part of the technology community ever since. In 2011 he co-founded Google Technology User Group Warsaw — today Google Developer Group Warsaw, one of the most active developer communities in the world. We still help run it and back it with organization, funding and promotion.
Training and workshops for companies →
Formats
- Conferences: DevFest, Google I/O Extended, Arduino Day
- Workshops and hackathons
- Livestreams and educational series
- Mentoring for developers and startups
- Public speaking
- Teach-the-teachers programs
Topics
- Cloud and web technologies
- AI workflows
- Developer experience
- Edge computing and hardware
- Digital products
Abroad
Beyond organizing at home, we have represented communities and companies at conferences and summits abroad: the United States, the United Kingdom, Spain, Czechia and Italy.
Commercial training
Workshops and training for companies: cloud, AI and automation, web technologies, product and UX. For technical and non-technical teams, tailored to the project and the client.
Design Sprint
We use the Google Ventures Design Sprint as a tool for solving any kind of problem — from shaping a new product to improving an existing process.
The full sprint for startups and complex topics: from understanding the challenge to a prototype tested with real users.
A condensed session for teams and company projects: a shared picture of the problem and a decision on what to do next.
Who is behind it
Founders
Jakub Kołakowski
Over 20 years in software engineering, cloud, infrastructure and security. For years he has designed and run cloud architecture, automation and security of high-traffic platforms for large organizations. Since 2009 he has run his own consulting practice, combining software with electronics and devices. Co-founder of Google Developer Group Warsaw, speaker and mentor.
Agata Kołakowska
Over 10 years in digital projects, many of them on large site portfolios of major brands. Runs web projects from discovery to launch, designs interfaces in Figma and builds in WordPress herself, with AI in the loop. Runs the operations of site ecosystems: standards, access and compliance — licenses, user consents and AI-generated content.
Approach
How we work
- Systems first — technology and operations as a whole.
- Scalability, maintainability, resilience and security.
- We bridge engineering, UX, infrastructure, operations and business.
- Strategic thinking combined with hands-on execution.
- We quickly understand and stabilize complex systems.
A wider team
Partners
On larger projects we work with a network of trusted partners we have collaborated with for years. This is how we work on custom software development and in marketing and communications.
Mobile developers
Native and cross-platform apps for iOS and Android.
Web developers
Front end and back end, from landing pages to platforms.
DevOps & SysOps
Infrastructure, deployment pipelines, monitoring and day-to-day operations.
Analysts
Business and data analysis, tracking and reporting.
Graphic designers
Visual identity, illustration and campaign assets.
Copywriters and editors
Copy, editing and proofreading in the brand’s voice, in English, Polish and other languages.
Other specialists
We bring in the right people when a project needs them.
Let’s talk
Have an idea, a project or a technology problem to solve? We work with startups, agencies, organizations and enterprise-scale companies — in Poland and internationally.
The first conversation is free: 30 minutes online, no preparation and no commitment.