What is the main business of 4 Dk?

The main business activity of 4 Dk 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 April 15, 2019.

Where is the headquarters located?

The headquarters is located at: ul. Grzybowska 87, 00-844 Warszawa.

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.

What was the revenue?

The company reported a revenue of $65,530 in 2025, which is an increase of 4.7% compared to 2024.

Is the company profitable?

Yes, in 2025 the company was profitable, achieving a net profit of $19,729, meaning the company increased its profit by 5.2%.

4 Dksp. z o.o.

Accounting, bookkeeping and auditing activities; tax consultancy

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2019-04-15

Share capital

5,000.00 PLN

Registered address

ul. Grzybowska 87, 00-844 Warszawa, Poland

Electronic delivery address

AE:PL-33248-31229-UVCHI-23

Financials

Revenue history (in k)

Filing timeliness

3 of 6 financial statements were filed late (the longest delay 92 days for 2021).

202516/07/2026
202418/07/2025
202310/07/2024
202213/07/2023
202115/10/2022
202027/07/2021

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, city, voivodeship and across Poland in 2025.

Industry · Accounting, bookkeeping and auditing activities; tax consultancy6,578 / 11,885

Top 55%

Division · Legal, accounting, bookkeeping and auditing activities; tax consultancy6,578 / 11,885

Top 55%

Sector · Professional, scientific and technical activities21,267 / 39,196

Top 54%

City · Warszawa38,653 / 57,023

Top 68%

Voivodeship · Mazowieckie53,488 / 77,210

Top 69%

Country · Poland211,383 / 298,279

Top 71%

Results vs industry

Revenue

This companyUSD 65.53kMedianUSD 82.54kAverageUSD 480.46k

Net profit

This companyUSD 19.73kMedianUSD 6.26kAverageUSD 42.89k

Operating costs

This companyUSD 43.03kMedianUSD 69.68kAverageUSD 419.86k

Assets

This companyUSD 80.04kMedianUSD 46.62kAverageUSD 357.09k

Industry

Authorized Representatives

Diana Dorota Kossowskaage 41 – President of the Management Board

Manner of representation

Each member is entitled to independently represent the company.

Ownership

Owner	Shares	Share value	Stake
Diana Dorota Kossowskaage 41	40	$1,080.50	80%
Michał Paweł Kossowskiage 31	10	$270.12	20%

Diana Dorota Kossowska and Michał Paweł Kossowski hold a combined 100% – the ownership structure indicates family control.

Beneficial owners

Person	Rights

Bank accounts

Registered as a VAT taxpayer on 2019-01-21.

mBank
68 1140 2004 0000 3002 7841 6396

Debt

No entries in the National Debtors Register (KRZ).

Public aid

Grant date	Purpose	Gross amount	Granting body
Oct 8, 2020	Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts	$1,282$1,282	Prezydent Miasta Stołecznego Warszawy

Competitors

Name	Revenue	Website
Altertaxsp. z o.o.	$73,483.57	altertax.eu
Finalabsp. z o.o.	$70,850.55	finalab.pl
Meritum Księgowisp. z o.o.	$68,662.91	meritumgrupa.pl
AFC Groupsp. z o.o.	$66,918.89	afcgroup.pl
Ostrowscy Accounting Groupsp. z o.o.	$62,327.13	ostrowscyaccounting.pl
Aimtaxsp. z o.o.	$68,048.36	aimtax.pl
Studio Finansówsp. z o.o.	$64,875.58	studiofinansow.com.pl
Angissp. z o.o.	$64,656.79	angis.pl
Kumatysp. z o.o.	$62,588.80	kumaty.pl
Zdobi Accountingsp. z o.o.	$60,382.50	zdobi.com

Change history

Date	Event
2020-01-17	Address change (Aleja Jana Pawła Ii 27, 00-867, Warszawa → Ul. Grzybowska 87, 00-844, Warszawa)
2019-08-30	Name change (Ac&t → 4 Dk)
2019-04-15	Entered in the register

FAQ

Last updated: 2026-07-20