Overview
Financials
Revenue history (in m)
Financial insight
- Estonian CIT: Equity includes non-zero Art. 28d line items – the company is taxed under the lump-sum regime on corporate income.
Filing timeliness
Financial statements were filed on time, on average 71 days early. All were audited by a statutory auditor.
- 202514/07/2026
- 202411/07/2025
- 202323/04/2024
- 202225/04/2023
- 202123/04/2022
- 202027/04/2021
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, region and across Poland in 2025.
Results vs industry
Industry
Public procurement
109 tenders recorded as contractor: 91 national ($4,865,942) and 18 EU ($5,714,262).
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Oct 6, 2026 | The procedure is conducted for the purpose of concluding a framework agreement for: Purchase and delivery of official vehicles for the needs of the Mazovian Police garrison. | $598.9K$598,865 | Komenda Wojewódzka Policji z Siedzibą w Radomiu | |
| Sep 30, 2026 | “Bus for WTZ 2026” | –– | Lokalna Grupa Działania Powiatu Opatowskiego | |
| Jul 6, 2026 | Conclusion of a framework agreement for the supply of estate cars or multipurpose passenger cars in police livery | $10.2M$10,212,015 | Komenda Wojewódzka Policji we Wrocławiu |
Trademarks
Tandem currently holds no active trademarks with the Polish Patent Office. 1 mark has expired or was not registered. The first mark was filed in 2001.
| Mark | Number | Classes | Status | Protected until | |
|---|---|---|---|---|---|
| AUTO TANDEM Sosnowski & Majcherek | Z.239743 | 0, 12, 35, 36, 37, 39, 42 | Expired | – |
| Mark | Protected until | |
|---|---|---|
| AUTO TANDEM Sosnowski & Majcherek | – |
Authorized Representatives
Manner of representation
For submitting declarations of will concerning property and non-property rights and obligations and for signing on behalf of the company in respect of an obligation not exceeding EUR 1,000,000.00 (one million euros), each member of the management board is authorised to act independently. In all other cases, joint action by two members of the management board or by one member of the management board with a commercial proxy is required.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Marek Piotr Gruszkaage 37 | 1,254 | $169,367.91 | 44% |
Michał Bogdan Gruszkaage 30 | 1,368 | $184,764.99 | 48% |
Others | 228 | $30,794.17 | 8% |
Michał Bogdan Gruszka and Marek Piotr Gruszka hold a combined 92% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 1998-09-10.
57 1240 1356 1111 0000 2324 9015
68 1050 1142 1000 0022 4362 7607- 19 1050 1214 1000 0090 8123 7639
Debt
No entries in the National Debtors Register (KRZ).
Real estate
| Type | Amount |
|---|---|
Land (incl. perpetual usufruct) | $2.9M$2,871,362 |
Buildings and premises | $7.8M$7,800,727 |
Investment property | $2.2M$2,197,534 |
MSiG notices
| Publication date | Event | |
|---|---|---|
| Aug 26, 2014 | Call to creditors |
Public aid
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| May 4, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $897.5K$897,482 | Polski Fundusz Rozwoju S.A. |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 KNF | Insurance agent of RCI Life Limited | Active | |
| KNF | Insurance agent of Sopockie Towarzystwo Ubezpieczeń ERGO Hestia Spółka Akcyjna | Active | |
| KNF | Insurance agent of Compensa Towarzystwo Ubezpieczeń Spółka Akcyjna Vienna Insurance Group | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| MM Carssp. z o.o. | $113,629,469.96 | mmcars.pl | ||
| Przedsiębiorstwo Euro-KasS.A. | $106,611,588.35 | eurokas.pl | ||
| Auto Śliwkasp. z o.o. | $57,410,610.59 | autosliwka.pl | ||
| MW Autosp. z o.o. | $56,041,882.70 | opelmucha.com.pl | ||
| MM Cars Kościuszkisp. z o.o. | $32,033,477.46 | mmcars.pl | ||
| Lexus Katowicesp. z o.o. | $26,295,040.90 | lexus-katowice.pl | ||
| Floteosp. z o.o. | $22,930,891.80 | floteocars.pl | ||
| Przedsiębiorstwo Wielobranżowe Wieczoreksp. z o.o. | $9,267,944.22 | grupawieczorek.pl | ||
| Smyczeksp. k. | $5,755,884.76 | safe-cars.pl | ||
| RD Racing Nicolas Retat Damian Kasprzyksp. k. | $936,070.35 | rdracing.eu |
Change history
| Date | Event | |
|---|---|---|
| 2015-12-14 | PKD change (Removed: 43 codes) | |
| 2014-12-19 | Share capital reduction (2,898,500.00 PLN → 1,425,000.00 PLN) | |
| 2011-01-24 | Switch to PKD 2007 (76 PKD 1997 codes → 51 PKD 2007 codes) | |
| 2010-11-18 | Share capital increase (1,550,000.00 PLN → 2,898,500.00 PLN) | |
| 2004-12-29 | PKD change (Added: 67.20.Z) |
FAQ
Last updated: 2026-07-17