What is the main business of Biuro Contar?

The main business activity of Biuro Contar focuses on accounting, bookkeeping and auditing activities; tax consultancy.

When was the company founded?

The company was registered in the Polish National Court Register (KRS) on June 14, 2018.

Where is the headquarters located?

The headquarters is located at: ul. Grażyny Bacewicz 3, 42-224 Częstochowa.

Who is on the management board?

The management board consists of: Joanna Kierach (President of the Management Board).

What is the share capital?

The share capital of the company is PLN 10,000 (approx. $2,701).

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?

In 2025, the company generated total revenue of USD 37,707, representing an increase of 17.4% compared to 2024.

No, in 2025 the company reported a net loss of USD 7,162.

What is the main operating cost?

The largest operating cost category falls under employee remuneration. This category amounted to USD 21,833 in 2025, representing 49% of all operating expenses.

Biuro Contarsp. z o.o.

Accounting, bookkeeping and auditing activities; tax consultancy

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2018-06-14

Share capital

10,000.00 PLN

Registered address

ul. Grażyny Bacewicz 3/57, 42-224 Częstochowa, Poland

Financials

Revenue history (in k)

Filing timeliness

4 of 6 financial statements were filed late (the longest delay 366 days for 2021).

202516/07/2026
202414/07/2025
202305/07/2024
202203/04/2024
202116/07/2023
202027/04/2022

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 37.71kMedianUSD 82.63kAverageUSD 478.45k

Net profit

This companyUSD -7.16kMedianUSD 6.29kAverageUSD 42.80k

Operating costs

This companyUSD 44.87kMedianUSD 69.81kAverageUSD 417.98k

Assets

This companyUSD 14.85kMedianUSD 46.62kAverageUSD 355.98k

Industry

Authorized Representatives

Joanna Kierach – President of the Management Board

Manner of representation

Each member of the management board may independently make declarations on behalf of the company. The right of a member of the management board to conduct the affairs of the company and represent it concerns all court and out-of-court acts of the company.

Ownership

Owner	Shares	Share value	Stake
Jacek Michał Kierachage 45	30	$810.37	30%
Joanna Kierachage 45	70	$1,890.87	70%

Joanna Kierach and Jacek Michał Kierach hold a combined 100% – the ownership structure indicates family control.

Beneficial owners

Person	Rights

Bank accounts

Registered as a VAT taxpayer on 2018-05-22.

ING Bank Śląski
93 1050 1142 1000 0090 3150 6737
ING Bank Śląski
19 1050 1142 1000 0090 3150 6711
ING Bank Śląski
18 1050 1142 1000 0090 3150 6729

Debt

No entries in the National Debtors Register (KRZ).

Public aid

Grant date	Purpose	Gross amount	Granting body
May 22, 2020	Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts	––	Prezydent Miasta Częstochowa

Competitors

Name	Revenue	Website
Biuro Usług Rachunkowych Perfektsp. z o.o.	$286,827.69	perfekt.czest.pl
AMP Biuro Podatkowo- Prawnesp. z o.o.	$139,129.00	ampbiuro.com.pl
Jakplacicpodatki.Plsp. z o.o.	$97,512.29	jakplacicpodatki.pl
Biuro Rachunkowe Tax Magdalena Domalewska i Wspólnicysp. z o.o.	$95,882.49	rachunkowe-tax.pl
Podatki.Prosp. z o.o.	$50,278.34	podatki.pro
Dewiza Kancelaria Prawa Finansowegosp. z o.o.	$40,013.81	dewiza.com.pl
Pianissimosp. z o.o.	$38,316.08	pianissimo.com.pl
Kukuła Finansesp. z o.o.	$27,077.09	bartlomiejkukula.pl
Beltrosp. z o.o.	$23,393.67	beltro.pl
MB ConsultingP.S.A.	$14,070.35	mbconsulting.com.pl