What is the main business of Biuro Rachunkowe Białystok Optimum?

The main business activity of Biuro Rachunkowe Białystok Optimum focuses on accounting, bookkeeping and auditing activities; tax consultancy.

When was the company founded?

The company was registered in the Polish National Court Register (KRS) on November 20, 2019.

Where is the headquarters located?

The headquarters is located at: ul. Słonimska 24, 15-028 Białystok.

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 was the revenue?

The company reported a revenue of $149,091 in 2025, which is an increase of 28.7% compared to 2024.

Is the company profitable?

Yes, in 2025 the company was profitable, achieving a net profit of $48,708, meaning the company increased its profit by 7.3%.

What is the main operating cost?

The largest operating cost category falls under employee remuneration. This category amounted to $61,095 in 2025, representing 64% of all operating expenses.

Biuro Rachunkowe Białystok Optimumsp. z o.o.

Accounting, bookkeeping and auditing activities; tax consultancy

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2019-11-20

Share capital

5,000.00 PLN

Registered address

ul. Słonimska 24/U8, 15-028 Białystok, Poland

Electronic delivery address

AE:PL-63287-33811-FEFSF-31

Financials

Revenue history (in k)

Filing timeliness

Financial statements were filed on time, on average 51 days early.

202511/06/2026
202412/06/2025
202307/06/2024
202227/05/2023
202107/06/2022
202025/06/2021

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, region and across Poland in 2025.

Results vs industry

Revenue

This companyUSD 149.09kMedianUSD 82.63kAverageUSD 478.39k

Net profit

This companyUSD 48.71kMedianUSD 6.27kAverageUSD 42.76k

Operating costs

This companyUSD 95.06kMedianUSD 69.75kAverageUSD 417.95k

Assets

This companyUSD 229.14kMedianUSD 46.59kAverageUSD 356.02k

Industry

Accounting, bookkeeping and auditing activities; tax consultancy (69.20.Z)Primary

Authorized Representatives

Julita Mieczkowska Miakisz – President of the Management Board

Krystian Miakisz – Management Board Member

Manner of representation

Each member of the management board independently.

Ownership

Owner	Shares	Share value	Stake
Krystian Miakiszage 45	20	$540.25	40%
Julita Mieczkowska Miakiszage 45	30	$810.37	60%

Julita Mieczkowska Miakisz and Krystian Miakisz hold a combined 100% – the ownership structure indicates family control.

Beneficial owners

Person	Rights

Bank accounts

Registered as a VAT taxpayer on 2022-10-31.

mBank
13 1140 2004 0000 3802 7945 1208

Debt

No entries in the National Debtors Register (KRZ).

Public aid

Grant date	Purpose	Gross amount	Granting body
Jan 7, 2026	Aid for microenterprises in the form of public interventions concerning electricity, gas or heat supplies	$16$16	PGE Obrót S.A.

Competitors

Name	Revenue	Website
Kancelaria Biegłego Rewidenta Iwona Naumczyksp. z o.o.	$341,244.06	naumczyk.pl
Primenosp. z o.o.	$288,864.45	primeno.pl
Biuro Rachunkowe Kamińscysp. z o.o.	$274,687.08	brkaminscy.pl
Kancelaria Podatkowo-Księgowa Mirjansp. z o.o.	$208,259.16	mirjan.info
Advokatus Kancelaria Prawa Gospodarczego I Podatkowegosp. z o.o.	$192,279.43	advokatus.pl
Biuro Rachunkowe Cwalinasp. z o.o.	$84,609.00	brkcwalina.pl
Cross-Taxsp. z o.o.	$14,213.15	cross-tax.pl
Lexeconomicsp. z o.o.	$11,506.07	cft.pl
Wallet Rangerssp. z o.o.	$7,547.52	walletrangers.com
Biuro Rachunkowe Expertsp. z o.o.	$7,118.28	biuro-rachunkowe.expert

FAQ

Last updated: 2026-06-11