Rational Builder
Active Risk: not assessedSummary
Rational Builder is a financial institution; the bankruptcy model is trained on trading and manufacturing companies and does not apply here. The company has been active since 2024 and the Belgian Official Gazette contains no insolvency or warning signals. No annual accounts have been filed with the National Bank.
Overview
Activity
Activities of holding companies
NACE 64210
1 site
Size
No accounts; a small general or limited partnership need not file
Financial health
No score: no figuresBankruptcy probability: sector outside the model
Structure
No directors known
Signalsraises riskYoung companyShow the evidence
Signals
1 signal.
raises risk
raises risk · Young company
Founded in 2024, 2 years ago. Young companies fail more often than established ones; the risk is highest 2 to 8 years after founding.
KBO · incorporation dateAge against the risk zone
Searched, nothing found (1)
- Registered officeRegistered-office move · Director in…
- IncorporationFounder · Founding capital ·…
Financials
No annual accounts filed
No annual accounts of this company are filed with the National Bank. A small limited partnership whose unlimited partners are natural persons is not required to file.
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No filed accounts are known for this company, so a size comparison is not possible. These companies share only the sector and the region. Of the 24,456 active companies whose main activity is activities of holding companies (NACE 64210), figures are known for 20,093. See the whole sector
Public contracts: No European public contracts awarded found since October 2016. Contracts below the EU thresholds are not in TED.
Directors
Directors
No sitting directors in the 2 Gazette acts read. See the directors and other office holders in the KBO →
Owners and capital
Capital and shareholders
Shareholders according to the deeds
At incorporation
act of 20-09-2024 ↗
- WILLEMS Holger gecommanditeerde vennoot · 9,999 shares (100%) · €999.90 in cash
- VAN GERVEN Adriaan commanditaire vennoot · 1 share (0%) · €0.10 in cash
The Belgian Official Gazette names shareholders only when an act mentions them; the share register itself is not published.
Capital over the years
- 20-09-2024 Incorporation · 10,000 shares
Group and network
Connections & network
1 connected companyThe connected companies are in the list below.
This company
Company
Director
Shareholding
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Linked via shared directors
RELU
Shared director
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History
Acts, filings and financial milestones
2025
08-08
Gazette deed
Registered officeRegistered-office move · Director in office2 facts ▸
Gazette deed
Registered office
Registered-office move · Director in office2 facts ▸
- Registered-office move, 3010 Leuven, Wilselsesteenweg 242
- Director in office, Holger Willems (manager)
2024
20-09
Gazette deed
IncorporationFounder · Founding capital · Partner6 facts ▸
Gazette deed
Incorporation
Founder · Founding capital · Partner6 facts ▸
- Founder, WILLEMS Holger (general partner)
- Founder, VAN GERVEN Adriaan (limited partner)
- Incorporation, “Rational Builder” (deed in Dutch)
- Founding capital
- Partner, WILLEMS Holger (general partner)
- Partner, VAN GERVEN Adriaan (limited partner)
Gazette deed
2 of 2 deeds read
Register details
Identification
Legal formLimited partnership
Founded18-09-2024
Activities, NACEBEL 2025
64210Activities of holding companies
70100Activities of head offices
70200Business and other management consultancy
82990Other business support services
E-invoicing
Reachable via Peppol
Peppol ID
0208:1013746208
Also
9925:BE1013746208
Registered
03-10-2024
If you follow this company, Checked tells you the day it leaves the Peppol register.
Register as of 29 October 2026 · Peppol Directory
Recognitions · licences · registrations
Legal Entity Identifier
9845006B1B5457ACBA95
Environmental permits: No permit applications found in Flanders. Brussels and Wallonia do not publish the applicant.
Sites & property
Location & real-estate footprint
Registered office, Leuven · 1 establishment unit since 2024
Ground area
4,041 m²
Building footprint
77 m²
Building volume
657 m³
Parcel 24051A0220/00B002, Flanders · tallest building 11.6 m. Linked by address, not a title deed.
1 establishment unit
Rational Builder
since 2024unit no. 2.364.333.032
1 parcel
Flanders
1
(100%)
| Cadastral parcel | Region | Area | Buildings | Height / floors |
|---|---|---|---|---|
| 24051A0220/00B002 | Flanders | 4,041 m² | 1 · 77 m² | 11.6 m · 3 |
How the parcels are linked
Good to know
The parcel matches the address exactly.
Articles of association
What the company does
- PurposeThe activities the company may carry out under its articles.
- “Het voeren van management, consulting, crisismanagement, training en vorming, het verstrekken van adviezen, projectmanagement en de…” (deed in Dutch)
8 activities (deed in Dutch)
- Het voeren van management, consulting, crisismanagement, training en vorming, het verstrekken van adviezen, projectmanagement en de dienstverlening via kennisoverdracht;
- Studie-, organisatie- en adviesbureau inzake bedrijfseconomische aangelegenheden zoals planning, organisatie, veiligheid, marketing, personeelsbeleid en efficiënt beheer van ondernemingen, het verstrekken van alle diensten en activiteiten in verband met administratie, het beleid, de controle en beheer van handels- en industriële ondernemingen op alle niveaus;
- Het geven van adviezen, het maken van studies, het voorbereiden en op gang brengen van alle mogelijke organisatiesystemen en beleidssystemen;
- Het in toepassing brengen van alle technieken in verband met het fiscaal, financieel, economisch, operationeel en algemeen beheer van ondernemingen, het geven van coaching, van scholing en het organiseren van seminaries, voordrachten en presentaties omtrent deze technieken, dit zowel in eigen lokalen als in lokalen van derden;
- Het waarnemen van bestuurdersfuncties, het verlenen van advies, management en andere diensten. Deze diensten kunnen worden geleverd krachtens contractuele of statutaire benoeming en in de hoedanigheid van externe raadgever of orgaan van de cliënt;
- Overige dienstverleningen;
- Het beleggen, het intekenen op, vast overnemen, plaatsen, kopen, verkopen en verhandelen van deelbewijzen, obligaties, warrants, certificaten, schuldvorderingen, gelden en andere roerende waarden, uitgegeven door Belgische of buitenlandse ondernemingen al dan niet onder de vorm van handelsvennootschappen, administratiekantoren, instellingen en verenigingen al dan niet met een (semi-)publiekrechtelijk statuut;
- Het aanleggen, het oordeelkundig uitbouwen, het beheren en verhandelen van een onroerend vermogen; alle verrichtingen, studies en operaties met betrekking tot onroerende goederen en onroerende zakelijke rechten, zoals de aan- en verkoop, de bouw, de verbouwing, de aanpassing, de binnenhuisinrichting en decoratie, de huur en verhuur, de ruil, de verkaveling en, in het algemeen, alle verrichtingen die rechtstreeks of onrechtstreeks betrekking hebben op het beheer of op het productief maken, van onroerende goederen of onroerende zakelijke rechten.
- DurationHow long the company exists; usually unlimited, so until it is dissolved.
- Unlimited
- Name clauseThe name the company operates under according to its articles.
- Rational Builder
- Registered office clauseThe region of the registered office; it decides among other things the language of official documents.
- “Vlaams Gewest, kan in België en buitenland bestuurs- en uitbatingszetels, agentschappen en bijhuizen, bureaus en stapelhuizen inrichten bij…” (deed in Dutch)
Who represents it, and how
- Board ruleHow the board is made up, meets and takes decisions.
- “Bepaalde duur of zonder beperking van duur, bestuur toevertrouwd aan één of verscheidene zaakvoerders” (deed in Dutch)
Capital, shares and profit
- Transfer restrictionWhether shareholders may sell their shares freely or need approval first.
- “Overdracht van aandelen, Artikel 8” (deed in Dutch)