PRO It - Bartosz MaciejewskiJDG
Other information technology and computer service activities
NIP: REGON:
Overview
Status
Active
Registry date
2017-07-05
Marital property community
Yes
Activity description
PRO It - Bartosz Maciejewski runs a technology blog focused on systems administration, self-hosting, and software security. He publishes analyses covering Ghost ActivityPub, Postfix mail and Spamhaus, NetBSD, Apache and Cloudflare infrastructure, supply-chain attacks, and AI applications.
Registered address
ul. Osiedle Słoneczny Brzeg 17, 62-280 Karczewko, Poland
Email
Email address current
Website
pro-it.rocksWebsite active
Industry
Bank accounts
Registered as a VAT taxpayer on 2017-07-05. Active
10 1750 0012 0000 0000 3776 6097
Public aid
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Aug 17, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $1,282$1,282 | Starosta Powiatu Gniezno |
Tenders
No recorded participation in tenders.
Authorized Representatives
Bartosz Maciejewski — Owner
Competitors
Change history
| Entry date | Operation type | Application number | Application author / Organ entering the change | Change effective date | |
|---|---|---|---|---|---|
2025-11-05 08:36:29 | Electronic delivery address disclosed (AE:PL-79534-90922-ARIWI-21) | Minister właściwy ds. informatyzacji | 2025-11-05 | ||
2025-01-04 10:58:33 | NIP number confirmed by the Ministry of Finance (9721062119) | Ministerstwo Finansów | 2025-01-04 | ||
2025-01-04 10:53:56 | Change of entry data | 000030690/2025 | Bartosz Maciejewski | 2025-01-03 | |
2017-07-07 13:17:07 | Change of entry data | 001083266/2017 | Urząd Gminy Kiszkowo | 2017-07-07 | |
2017-07-06 10:27:29 | REGON number assigned (367726847) | Główny Urząd Statystyczny | 2017-07-06 |









