What is the main business of JCS Biuro Rachunkowe?

The main business activity of JCS Biuro Rachunkowe 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 July 30, 2014.

Where is the headquarters located?

The headquarters is located at: Rezedowa 19, 60-184 Poznań.

What is the share capital?

The share capital of the company is PLN 5,000 (approx. $1,351).

What period do the latest financial data cover?

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

How much revenue was generated?

The company reported a revenue of $161,730 in 2025, which is an increase of 30.3% compared to 2024.

Yes, in 2025 the company was profitable, achieving a net profit of $7,077, meaning the company increased its profit by 17.9%.

What is the main operating cost?

The largest operating cost category falls under employee remuneration. This category amounted to $63,308 in 2025, representing 41% of all operating expenses.

JCS Biuro Rachunkowesp. z o.o.

Accounting, bookkeeping and auditing activities; tax consultancy

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2014-07-30

Share capital

5,000.00 PLN

Registered address

Rezedowa 19, 60-184 Poznań, Poland

Electronic delivery address

AE:PL-71886-14704-URIUH-27

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
202410/06/2026
202310/07/2024
202224/03/2024
202116/07/2023
202030/05/2021

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 161.73kMedianUSD 82.63kAverageUSD 478.39k

Net profit

This companyUSD 7.08kMedianUSD 6.27kAverageUSD 42.76k

Operating costs

This companyUSD 153.52kMedianUSD 69.75kAverageUSD 417.95k

Assets

This companyUSD 52.50kMedianUSD 46.59kAverageUSD 356.02k

Industry

Accounting, bookkeeping and auditing activities; tax consultancy (69.20.Z)Primary
Warehousing and storage of goods (52.1)
Computer consultancy activities (62.02)

Authorized Representatives

Joanna Cebulska Siwy – Management Board Member

Mirosław Siwy – President of the Management Board

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
Joanna Ewa Cebulska Siwyage 53	99	$1,337.12	99%
Others	1	$13.51	1%

Beneficial owners

Person	Rights

Bank accounts

Registered as a VAT taxpayer on 2014-08-01.

Erste Bank Polska
63 1090 1346 0000 0001 2945 4785

Debt

No entries in the National Debtors Register (KRZ).

Public aid

4 public aid cases recorded, with a total value of $3,753.

Grant date	Purpose	Gross amount	Granting body
Jun 20, 2020	Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts	$833$833	Prezes Zakładu Ubezpieczeń Społecznych
May 30, 2020	Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts	$833$833	Prezes Zakładu Ubezpieczeń Społecznych
May 30, 2020	Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts	$805$805	Prezes Zakładu Ubezpieczeń Społecznych

Competitors

Name	Revenue	Website
Kwartasp. z o.o.	$181,365.58	e-kwarta.pl
Coworkingness Accountingsp. z o.o.	$169,262.64	accountingness.com
ADK Księgi Rachunkowesp. z o.o.	$160,310.17	adkkr.pl
Profitax Poznańsp. z o.o.	$156,507.33	profitax.pl
Pearson Taxsp. z o.o.	$154,565.48	pearsontax.pl
Kancelaria Biegłych Rewidentów K.B.R.sp. z o.o.	$151,542.05	kbrbiegli.pl
Eurotassp. z o.o.	$138,825.06	eurotas.pl
ADK Kancelaria Rachunkowasp. z o.o.	$129,313.01	adkkr.pl
Ephemeris Biuro Rachunkowesp. z o.o.	$83,792.66	ephemeris.pl
Auditcontactsp. z o.o.	$58,764.44	auditcontact.pl