Limited Liability Company (LLC)
MJK
MJK Spółka z Ograniczoną Odpowiedzialnością
Limited Liability Company (LLC)
MJK Spółka z Ograniczoną Odpowiedzialnością
MJK Spółka z Ograniczoną Odpowiedzialnością (KRS 0000670072, NIP 5213773674) is a Polish company, headquartered in Warszawa, Mazowieckie voivodeship. MJK operates in: Private security activities (PKD 80.10.Z). Industry: Security and investigation. The company has been listed in the National Court Register since March 24, 2017. MJK's most recently reported net revenue was 28.8 M PLN for 2025.
No arrears identified in the analysed sources
No arrears or bankruptcy proceedings identified in the analysed sources.
Other activities
Credibility rating
31.2 / 100
Poor credibility
Insolvency risk
Low
Elevated threat
Closure risk
15
/ 100
Risk comparison - scale 0 (safe) → 100 (critical)
No instability signals - ownership, management, PKD codes and company name remain relatively stable.
Shareholder changes
1
1/9 yrs
Board changes
1
1/9 yrs
PKD changes
0
0/9 yrs
Name changes
0
0/9 yrs
Data from 9 years of registry activity.
Payment reliability score from 2018–2025
Current: E (31/100)
Trend: deteriorating (-17.9 pts/year)
Bardzo słaba wiarygodność płatnicza – współpraca handlowa wiąże się z wysokim ryzykiem braku zapłaty.
Standard limit from 2018–2025
Current: 1.0 M PLN
Safe: 203.2 K PLN
Founded
March 24, 2017
9 years in operation
Legal form
Limited Liability Company (LLC)
Registry: RejP
Headquarters
WARSZAWA
MAZOWIECKIE
Primary PKD
80.10.Z
Private security activities
Share capital
5.0 K PLN
50 shares total
Shareholders
2
shareholders
Board
1 person
Filed years
8 years
2018–2025 · profitable: 7/8
Registry entries
25
latest: June 26, 2026
Risk signals
Revenue
28.8 M PLN
2025
Net profit
-783.0 K PLN
2025
Assets
8.9 M PLN
2025
Equity
2.0 M PLN
2025
EBITDA
1.6 M PLN
2025
Valuation
6.0 M PLN
Low confidence
Low confidence
People holding roles at MJK according to the Polish National Court Register. Follow a name for that person's full profile and their other companies.
Rate business credibility - MJK.
No ratings
Answers to questions about the company's activity, registered office, identifiers, financial data, capital and control.
MJK has 2 shareholders.
Yes - MJK's majority owner is M**** M****.
MJK's board has 1 member.
Latest reporting year
2025
Available years
9
Filing entries
0
20 historical registry entries for MJK
Filing documents submitted (2 documents)
Board change, Commercial proxy change, Shareholder change
WA.XIII NS-REJ.KRS/61535/24/600
Change in Section 1 (basic data)
WA.XIII NS-REJ.KRS/61535/24/600/ADE
Filing documents submitted (2 documents)
Filing documents submitted (2 documents)
Public-procurement proceedings in which MJK appears as contractor or contracting authority - total contract value, signing dates, procedures and links to the official notices.
3 most recent proceedings
Świadczenie usług ochrony osób i mienia oraz monitorowania systemów zabezpieczenia technicznego w obiektach prokuratur okręgu zielonogórskiego.
Usługa ochrony całodobowej wraz z usługą portierską obiektów i mienia będących własnością Sieci Badawczej Łukasiewicz – Łódzki Instytut Technologiczny.
zajmowanych przez Teatr Lalka w Warszawie”
Competing companies or those operating in the same market segment as MJK (industry: Security and investigation).
POZNAŃ· Security and investigation
Revenue 2024: 33.6 M PLN
WARSZAWA· Security and investigation
Revenue 2024: 26.1 M PLN
WARSZAWA· Security and investigation
Revenue 2025: 25.1 M PLN
GDAŃSK· Security and investigation
Revenue 2022: 24.5 M PLN
SZCZECIN· Security and investigation
Revenue 2023: 23.8 M PLN
WARSZAWA· Security and investigation
Revenue 2024: 23.2 M PLN