Siblingsp. z o.o.

Management of real estate on a fee or contract basis

KRS: NIP: REGON:

Overview

Status
Active
Registry date
2017-12-21
Share capital
5,000.00 PLN
Activity description

Sibling is a family-owned company providing legal advice on personal data protection and information security to corporations, listed companies and other businesses. It supports GDPR implementation through legal audits, documentation, consultations and training.

Registered address
ul. Ludwika Solskiego 34A, 52-416 Wrocław, Poland
Website
Opening hours
Monday–Friday
7:00–18:00
Saturday
10:00–17:00
Phone
Electronic delivery address
AE:PL-92549-37050-BGSWC-21

Financials

Revenue history (in k)

From the notes

Current income tax (CIT due)$1,782

Filing timeliness

1 of 6 financial statements was filed late (for 2021, 90 days late).

  • 202518/06/2026
  • 202402/07/2025
  • 202308/07/2024
  • 202207/07/2023
  • 202113/10/2022
  • 202008/07/2021
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.

Division · Real estate activities8,167 / 11,900
Top 69%
Sector · Real estate activities8,167 / 11,900
Top 69%
City · Wrocław10,400 / 13,704
Top 76%
Voivodeship · Dolnośląskie18,777 / 23,907
Top 79%
Country · Poland234,308 / 297,935
Top 79%

Results vs industry

Revenue
This companyUSD 35.65kMedianUSD 221.10kAverageUSD 1.71m
Net profit
This companyUSD 18.91kMedianUSD 5.29kAverageUSD 47.30k
Operating costs
This companyUSD 14.85kMedianUSD 199.80kAverageUSD 1.59m
Assets
This companyUSD 51.74kMedianUSD 217.14kAverageUSD 3.13m

Offer

  • Legal audit
  • GDPR implementation
  • Data protection documentation
  • Legal consultations
  • Data protection training

Authorized Representatives

Kamila Maria Mizia – Attorney-in-fact (sole)
Krzysztof Piotr Nowak – President of the Management Board

Manner of representation

In the case of a one-person management board, the President of the Management Board is authorised individually to represent the company and make declarations concerning the company’s proprietary and non-proprietary rights and obligations and to sign agreements. If a multi-member management board is appointed, two members of the management board acting jointly, including the President of the Management Board, are authorised to represent the company and make declarations concerning the company’s proprietary and non-proprietary rights and obligations and to sign agreements.

Ownership

OwnerSharesShare valueStake
Krzysztof Piotr Nowakage 46
96$1,296.6096%
Others
4$54.024%

Beneficial owners

Person

Bank accounts

Registered as a VAT taxpayer on 2018-01-17.

  • mBank
    14 1140 2004 0000 3102 7724 5559

Debt

No entries in the National Debtors Register (KRZ).

Public aid

PurposeGross amount
Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts
$1,294

Competitors

Name
DK Doradztwosp. z o.o.
Proczeksp. z o.o.

FAQ

Last updated: 2026-06-22