What is the main business of GS4?

The main business activity of GS4 focuses on business and other management consultancy activities.

When was the company founded?

The company was registered in the Polish National Court Register (KRS) on December 6, 2023.

Where is the headquarters located?

The headquarters is located at: ul. Lucjana Cylkowskiego 10, 81-465 Gdynia.

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 revenue was generated?

The company reported a revenue of $33,463 in 2025.

No, in 2025 the company reported a net loss of $631.

Which cost dominates operating expenses?

The largest operating cost category falls under other operating costs. This category amounted to $34,094 in 2025, representing 100% of all operating expenses.

GS4sp. z o.o.

Business and other management consultancy activities

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2023-12-06

Share capital

5,000.00 PLN

Registered address

ul. Lucjana Cylkowskiego 10, 81-465 Gdynia, Poland

Financials

Filing timeliness

1 of 1 financial statements was filed late (for 2025, 5 days late).

202520/07/2026

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 · Business and other management consultancy activities6,802 / 10,933

Top 62%

Division · Activities of head offices; management consultancy activities9,087 / 15,392

Top 59%

Sector · Professional, scientific and technical activities27,123 / 39,211

Top 69%

City · Gdynia2,811 / 3,595

Top 78%

Voivodeship · Pomorskie16,081 / 20,152

Top 80%

Country · Poland236,197 / 297,932

Top 79%

Results vs industry

Revenue

This companyUSD 33.46kMedianUSD 66.63kAverageUSD 1.19m

Net profit

This companyUSD -631.33MedianUSD 1.81kAverageUSD 67.10k

Operating costs

This companyUSD 34.09kMedianUSD 50.42kAverageUSD 1.01m

Assets

This companyUSD 3.29kMedianUSD 69.63kAverageUSD 2.60m

Industry

Authorized Representatives

Andrzej Sakage 51 – Attorney-in-fact

Magdalena Kubicka-Sakage 48 – 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
Magdalena Kubicka-Sakage 48	20	$270.12	20%
Andrzej Sakage 51	80	$1,080.50	80%

Andrzej Sak and Magdalena Kubicka Sak hold a combined 100% – the ownership structure indicates family control.

Beneficial owners

Person	Rights

Bank accounts

Registered as a VAT taxpayer on 2024-03-01.

mBank
30 1140 2004 0000 3502 8436 2159

Debt

No entries in the National Debtors Register (KRZ).

Public aid

No public aid cases recorded in the last 10 years.

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NepthyneS.A.	$3,759.14	nepthyne.pl
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