Just_Law
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Just_Law is a boutique with a strong focus on technology-driven M&A, advising on transactions in the tech, AI and data sectors. Daniel Jastrun sits at the head of the practice and is best known for his work on transactions involving companies from the Nordic or Baltic regions. In the winder team, Tomasz Rysiak joined the partnership in August 2025. Natalia Nader left the firm in May 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘We work mainly with Daniel Jastrun, who knows our matters inside out. It’s great to have someone like him as part of the team. I really appreciate that he is always there for us and understands our needs. He is consistently responsive and easy to communicate with.'
- ‘The stand-out individual is Daniel Jastrun, who combines deep corporate/M&A expertise with an unusually strong commercial sense. What makes him different from competitors is the ability to translate complex legal frameworks into clear, business-focused recommendations that directly support strategic decisions. We trust him implicitly, which is why clients have followed him across different firms. He is very responsive I can call him anytime and he is happy to support, I do appreciate such approach.’
Key clients
- Alioth Logistics
- Axiom Connected
Work highlights
Providing legal services to CTS Corporation itself and its subsidiary, TEWA, in Poland.


