Biuro Rachunkowe Diamentsp. z o.o.
Accounting, bookkeeping and auditing activities; tax consultancy
Overview
Biuro Rachunkowe Diament is an accounting office that provides comprehensive accounting services and payroll management for small, medium, and large enterprises. They specialize in recording economic events to facilitate in-depth analysis and ensure tax security for their clients. The firm serves businesses primarily in the Lubliniec, Opole, and Tarnowskie Góry regions, while also being open to clients from other parts of Poland.
Financials
Revenue history (in k)
Data and insights are generated automatically based on financial statements and may contain errors. This analysis is for informational purposes only and does not constitute an official assessment of the company's credibility or business advice.
Statistics
How the company ranks by revenue within its industry, region and across Poland in 2025.
Results vs industry
Industry
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| May 11, 2023 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $524$524 | Starosta Lubliniecki |
Tenders
No recorded participation in tenders.
Authorized Representatives
Manner of representation
Each member of the management board is authorized to make declarations on behalf of the company independently.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Mariusz Mizera (40) | 50 | $675.31 | 50% |
Natalia Mizera (37) | 50 | $675.31 | 50% |
Mariusz Mizera and Natalia Mizera hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights | |
|---|---|---|
Mariusz Mizera (40)  | Shareholder of a limited liability company, 2500.0 PLN | |
Natalia Mizera (37) | Shareholder of a limited liability company, 2500.0 PLN |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Biuro Rachunkowe Nosiadeksp. z o.o. | $128,381.16 | nosiadek.com | ||
| Biuro Rachunkowe Tax Magdalena Domalewska i Wspólnicysp. z o.o. | $95,882.49 | rachunkowe-tax.pl | ||
| Ekonomikussp. z o.o. | $93,303.81 | ekonomikus.pl | ||
| MM Businesssp. z o.o. | $80,526.78 | mmbusiness.pl | ||
| Biuro Rachunkowe Rectosp. z o.o. | $50,074.38 | biurorecto.pl | ||
| Aurum Biuro Rachunkowesp. z o.o. | $49,583.52 | biuroaurum.pl | ||
| AK Rachunkowośćsp. z o.o. | $47,633.71 | ak-biuro.pl | ||
| Taxes Biuro Rachunkowesp. z o.o. | $47,798.88 | taxes-biurorachunkowe.eu | ||
| Biuro Rachunkowe Nowasp. z o.o. | $39,208.08 | nowabiuro.pl | ||
| Intakssp. z o.o. | $21,611.09 | intaks.pl |
FAQ
Last updated: 2026-07-16