Person profile
Bartosz Tomaszewski has been associated with Mentalis Sp. z o.o. since the company was founded and is among its founders. He has stayed on the board and has held a management role for 12 years. This continuity suggests strong trust from the current owners and tangible value he brings to the company.
Management experience
Anchor company
Average tenure per company
Active board load
Profile type
Active business scale
Companies wound up
Age
Founded companies
Position vs peers
Among 92 people (Kujawsko-Pomorskie, 35-44)
Registry signals
Current and historical roles.
Companies total
6
5 active
Roles total
10
8 active
Years active
16 years and 9 months
First activity
November 2, 2009
Founded the company · Fundacja Miasto Projekt
Latest activity
November 14, 2025
Joined the company - Member / Partner · Serica Trade
Selected highlights - full list on the Companies tab.
Bartosz Kazimierz Tomaszewski is listed in the Polish National Court Register (KRS) as Member / Partner at Mentalis Sp. z o.o. 10 roles across 6 entities are on record. Time served on company bodies: 16 years and 9 months.
Bartosz Kazimierz Tomaszewski currently holds roles at: Mentalis Sp. z o.o., Piekary Invest Sp. z o.o., Mentalis Nieruchomości Sp. z o.o., Serica Trade Sp. z o.o., ETI Finanse Sp. z o.o. The full list, with appointment and termination dates, is on the Companies tab.
The current role is Member / Partner at Mentalis Sp. z o.o., taken directly from the KRS register.
Most recent registry entries - full timeline on the History tab.
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13 people named Bartosz Kazimierz Tomaszewski appear in the Polish KRS register. These are separate individuals — tell them apart by city, current roles and linked companies.
The first entry for this person dates from November 2, 2009 — 16 years and 9 months ago.
13 people named Bartosz Kazimierz Tomaszewski appear in the KRS register. Each has a separate profile — they are different individuals who happen to share a name.
Data from the Polish Central Register of Beneficial Owners (CRBR).
Companies and people connected to Bartosz Kazimierz Tomaszewski - click any node to open its profile.
Total: 6 · Active: 6