DB Group

we create unique spaces that meet the highest quality standards


  • Land absorption analyses, urban and conceptual studies
  • Multi-discipline design documentation for buildings and civil engineering works
  • Tender documentation
  • Studies necessary for the efficient execution of the investment process, pre-design works
  • Visual identification, illuminations
  • Small architecture
  • Ongoing cooperation with renowned design studios


  • Analysis of the client's needs and preferences
  • Development of detailed concepts for functional layouts
  • Proposals of "mood board" material solutions
  • Full-scale interior design of walls, ceilings and floors
  • Individual design of furniture, fittings, fixed and movable equipment
  • Architectural detail designs
  • Realistic visualisations


  • Pre-design analyses, industry consultancy, project definition
  • Tendering, cost studies, specifications
  • Preparation of budget, material and financial schedule
  • Comprehensive supervision of the implementation process together with the team of trade inspectors
  • Coordination of the work of contractors and subcontractors, coordination of deliveries
  • Ongoing project monitoring, full reporting
  • Acceptance procedures, including final settlement of the investment

DB Group

db GROUP was founded in 2010 on the initiative of Małgorzata Jezierska and Jakub Janiszewski. In 2015, Michal Jezierski joined the company’s team of partners. Uniqueness, quality, time and budget – these are the basics of every project and the foundations of our business. We create, design and realise timeless, friendly spaces with high utility and aesthetic values. We work in the hotel, flat and office investment market.

    Our range of services includes:

  • Project Management
  • Architectural Design
  • Interior Design

We support our clients at every stage of the investment, from the idea and concept phase to the handover of the building to the user. We are a trusted partner, working with Hilton Worldwide, Accor, InterContinental Hotels Group, Marriot International, Louvre Hotels Group. Since 2017 we have been a recommended Designer, Interior Designer and Project Manager for the Hilton Worldwide chain in the EU and UK. Our interior design in 2023 won the main prize as the best hotel interior design in Poland in a competition organised by Property Design. This is a strong enough motivation for our work and a guarantee of the quality of our services for each client.

Jakub Janiszewski


CEO Project Management

Małgorzata Jezierska


CEO Interior Design

Michał Jezierski


CEO Design Architecture

Our latest investments

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Our Partners

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