We are Codekatu
Your Trusted Finnish IT Partner – We build websites, applications, and provide consultancy services with a focus on quality, innovation, and hard work.

— Our Story
A Finnish IT Company Built on Family and Hard Work
Codekatu Oy was founded by Christopher Harju in 2021. Based in Finland, we bring the Finnish spirit of ‘sisu’ to every project we take on, ensuring hard work, resilience, and exceptional results for our clients. Our mission is to deliver high-quality solutions that empower businesses to thrive in the digital age.
Website Development
Custom websites that captivate and convert.
Application Development
Powerful solutions for complex challenges.
IT Consultancy
Expert guidance and strategic planning.
Finnish Quality
Commitment to excellence and precision.
— Our Team
The passionate minds behind Codekatu

Christopher Harju
Software Architect
Fullstack developer with focus on front end and an eye for design. Specialised in developing applications for the web. Experience leading teams, application architecture, end-to-end development and supporting customer sales.
Tech Stack

Joni Harju
Developer
Software developer with over three years of experience in modern web development. Joni has delivered customer projects from start to finish and contributed to developing internal tools for Codekatu.
Tech stack
— Why Codekatu?
Finnish Excellence in IT Solutions
As a small Finnish company, we pride ourselves on providing personalized service and building strong relationships with our clients. With our deep expertise in IT and a commitment to quality, we ensure every project is a success.
Personal Touch
- - Direct communication with developers
- - Tailored solutions for your business
- - Regular progress updates
Innovation
- Latest tech stack and methodologies
- Continuous learning and improvement
- Creative problem-solving approach
Quality First
- Rigorous testing and QA processes
- Adherence to best coding practices
- Continuous monitoring and optimization
Reliability
- Clear communication and expectations
- Transparent project management
- Long-term support and maintenance