Mariański Group Outsourcing Księgowościsp. z o.o.
Accounting, bookkeeping and auditing activities; tax consultancy
Overview
Mariański Group Outsourcing Księgowości advises family businesses on legal and tax matters. Its services include succession planning and family foundations, choosing legal structures, restructurings, and tax risk management.
Financials
Revenue history (in k)
Financial insight
- Possible Estonian CIT: Equity includes Art. 28d line items, but all amounts are 0 – this may be an accounting template or the first year of the regime.
Filing timeliness
3 of 6 financial statements were filed late (the longest delay 87 days for 2021).
- 202522/06/2026
- 202430/05/2025
- 202327/06/2024
- 202219/07/2023
- 202110/10/2022
- 202028/10/2021
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.
Results vs industry
News
Monika Wolska – Bryńska becomes partner at Mariański Group
Adam Mariański recognized in Chambers High Net Worth 2026
Were you with us on November 19, 2025? Let's meet again in Muszyna on October 8-9, 2026!
Successors School — Open Day for those seriously considering succession
MG experts on foundations at the Warsaw Stock Exchange
Warning regarding the security of email correspondence
Industry
- Management consultancy activities (70.2)
Offer
- Legal advice
- Tax advice
- Accounting
- Strategic mentoring
- Training for family businesses
Website technology
- Website
- WordPress
- Analytics and marketing
- Meta Pixel
Authorized Representatives
Manner of representation
To make declarations of will on behalf of the company, in the case of a multi-member management board, each member of the management board is authorised to act independently.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Fundacja Rodzinna Rodziny Mariańskich | 877 | $11,844.95 | 89.8566% |
Dorota Sylwia Mariańskaage 49 | 99 | $1,337.12 | 10.1434% |
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2017-02-03.
31 1750 1093 0000 0000 3986 2573- 33 1750 1093 0000 0000 3576 9234
Debt
No entries in the National Debtors Register (KRZ).
Public aid
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Nov 4, 2022 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | –– | Łódzka Agencja Rozwoju Regionalnego S.A. | |
| Mar 8, 2017 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | –– | Łódzka Agencja Rozwoju Regionalnego S.A. |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Accept Groupsp. z o.o. | $570,062.25 | acceptgroup.pl | ||
| AN Accountingsp. z o.o. | $555,331.71 | anaccounting.com.pl | ||
| Atax Audytsp. z o.o. | $520,928.26 | ataxaudyt.pl | ||
| Janpol Finansesp. z o.o. | $253,038.72 | janpol-finanse.pl | ||
| Apoyo Group Accountingsp. z o.o. | $250,090.41 | apoyogroup.pl | ||
| Saving Taxsp. z o.o. | $235,660.06 | savingtax.pl | ||
| Maranasp. z o.o. | $204,883.91 | marana.pl | ||
| Marciniuk I Wspólnicysp. z o.o. | $184,611.14 | marciniuk.com | ||
| Ginelli Wienskowski Sobczak Radcy Prawni i Doradcy PodatkowiS.K.A. | $180,765.67 | gws.net.pl | ||
| GMA Business Outsourcingsp. z o.o. | $123,776.98 | gmabusinessoutsourcing.pl |
Change history
| Date | Event | |
|---|---|---|
| 2018-11-29 | Share capital increase (5,000.00 PLN → 48,800.00 PLN) | |
| 2016-09-30 | Entered in the register |
FAQ
Last updated: 2026-10-02