What is the main business of Trzos?

The main business activity of Trzos focuses on accounting and bookkeeping activities.

When was the company founded?

The company was registered in the Polish National Court Register (KRS) on June 16, 2021.

Where is the headquarters located?

The headquarters is located at: ul. Marszałkowska 140, 00-061 Warszawa.

Who is on the management board?

The management board consists of: Dorota Maria Masternak (President of the Management Board) and Izabela Łucja Leoniak (Member of the Management Board).

What is the share capital?

The share capital of the company is PLN 30,000 (approx. $8,104).

What period do the latest financial data cover?

The latest available financial statement covers the period from January 1, 2025 to December 31, 2025.

What was the revenue?

The company reported a revenue of $154,765 in 2025, which is an increase of 106.2% compared to 2024.

Yes, the company recorded a net profit of $34,817 in 2025, meaning the company increased its profit by 159.1%.

Which cost dominates operating expenses?

The largest operating cost category falls under other operating costs. This category amounted to $64,561 in 2025, representing 55% of all operating expenses.

Trzossp. z o.o.

Accounting and bookkeeping activities

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2021-06-16

Share capital

30,000.00 PLN

Activity description

Trzos Sp. z o.o. is an accounting firm providing bookkeeping and payroll services to individuals and companies. It assists with setting up businesses and companies, choosing tax arrangements, and preparing documents and financial statements.

Registered address

ul. Marszałkowska 140/20, 00-061 Warszawa, Poland

Website

trzos.eu

Phone

Electronic delivery address

AE:PL-39700-48965-BJAIG-26

Financials

Revenue history (in k)

Filing timeliness

Financial statements were filed on time, on average 40 days early.

202516/06/2026
202412/07/2025
202301/03/2024
202201/07/2023
202129/06/2022

Filed on timeDelayFiling deadline

Data and insights are generated automatically from financial statements – they may contain errors and are neither a credit assessment nor business advice.

Statistics

How the company ranks by revenue within its industry, region and across Poland in 2025.

Results vs industry

Revenue

This companyUSD 154.76kMedianUSD 62.96kAverageUSD 892.76k

Net profit

This companyUSD 34.82kMedianUSD 5.32kAverageUSD 107.37k

Operating costs

This companyUSD 116.37kMedianUSD 51.81kAverageUSD 705.47k

Assets

This companyUSD 55.97kMedianUSD 33.87kAverageUSD 881.78k

Industry

Offer

Accounting
Tax settlements
Payroll and human resources services
Preparation of financial statements
Business registration
Accounting advisory
Work permit applications

Website technology

Online shop

WooCommerce

Website

WordPress

Authorized Representatives

Dorota Maria Masternak – President of the Management Board

Izabela Łucja Leoniak – Management Board Member

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
Izabela Łucja Leoniakage 41	150	$4,051.86	50%
Dorota Maria Masternakage 49	150	$4,051.86	50%

Beneficial owners

Person	Rights

Bank accounts

Registered as a VAT taxpayer on 2021-06-30.

Erste Bank Polska
80 1090 2851 0000 0001 4819 9636

Debt

No entries in the National Debtors Register (KRZ).

Public aid

No public aid cases recorded in the last 10 years.

Competitors

Name	Revenue	Website
Incomes.Plsp. z o.o.	$256,935.05	incomes.pl
Kontistosp. z o.o.	$187,716.18	kontisto.pl
Pitcitvatsp. z o.o.	$184,864.51	pitcitvat.com
Makte Rachunkowość sp. z o.o.sp. k.	$173,976.72	makte.pl
Twoja KsięgowośćS.A.	$160,239.35	twoja-ksiegowosc.pl
WTG & S-Kasp. z o.o.	$153,496.84	wtg.waw.pl
Contabil Biuro Rachunkowesp. z o.o.	$144,080.06	contabil.pl
Biuro Rachunkowe Rcytrynasp. z o.o.	$130,696.72	br.rcytryna.pl
FIN Timesp. z o.o.	$119,412.05	fintime.pl
Interprosp. z o.o.	$91,690.56	solidnebiurorachunkowe.pl

Change history

Date	Event
2025-04-01	Address change (Ul. Marszałkowska 140/18, 00-061, Warszawa → Ul. Marszałkowska 140/20, 00-061, Warszawa)
2025-04-01	Switch to PKD 2025 (8 PKD 2007 codes → 8 PKD 2025 codes)
2024-03-13	Address change (Ul. Żurawia 32/34/304, 00-515, Warszawa → Ul. Marszałkowska 140/18, 00-061, Warszawa)
2021-06-16	Entered in the register

FAQ

Last updated: 2026-06-16