About us - Siiami

Welcome to Siiami!

Over 10 years of business support

We are experts in accounting and law. We offer our clients a comprehensive business service, providing a synergy in the areas of law, accounting and legalisation that is unique in the market.

Law. We serve individual entrepreneurs, leading sole proprietorships, companies and foundations. We offer our clients comprehensive support both at the stage of preparation for starting a business and in the process of running it – we provide legal support for current business activities.

Accounting. We offer professional accounting services, including personnel accounting and payroll for all types of businesses (individual entrepreneurs, companies, foundations). We do bookkeeping, providing a full range of accounting services.

Legalisation. A significant part of our clients are foreigners – our firm is actively engaged in legalisation of stay and work of foreigners in Poland. We specialise in obtaining temporary or permanent residence permits, Polish Card and Polish citizenship. We also provide relocation services for IT companies.

registered companies

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sole proprietorships on accounting services

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companies that use accounting services

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legalisation cases

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Our advantages

Experience and reliability

Siiami team includes the best accountants and lawyers with extensive experience in Poland. Our specialists constantly keep up to date with all changes in legislation.

Comprehensive business support

With Siiami, you get all your key business services in one place – you don’t need to contract different companies and waste time on unnecessary communication.

Personal manager

We provide each client with a personal manager who will answer all basic questions related to running the business, filing documents with authorities and co-operation with the accounting department.

Privacy and security

We enter into a non-disclosure agreement with all clients, ensuring that personal data and business information is fully protected.

We are recommended

The quality of our services is confirmed by the international ISO 9001:2015 certificate

Siiami ensures the highest quality of services — this is confirmed by the internationally recognized ISO 9001:2015 Quality Management Certificate

This certificate verifies that our internal processes meet the strict requirements of a global quality management system. It means that every client can rely on the reliability, transparency, and professionalism of our team.

Benefits for our clients:

Continuous improvement of our services based on the best international practices;
Clear work organization and control at every stage of service delivery;
Your suggestions and feedback are taken into account and integrated into our processes;
Guaranteed compliance with clients’ requirements and expectations.