Warning lights
Signals from the annual accounts, the CBE and the Official Gazette, each with its threshold and source. No score, no verdict.
-
Negative equity NBB
More debt than assets in 2 of the last 2 fiscal years.
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Two loss years in a row NBB
Negative result in 2024 and 2025.
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Tight liquidity NBB
Cash and receivables cover 26 % of short-term debt in 2025; threshold 65 %.
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Busy address KBO
18 other companies have their registered office at the same address; threshold 10.
Financials
Financial year 2025
BY-OCTO from Sint-Pieters-Woluwe, company number BE0788532202, closed financial year 2025 with a result of € -109,851 after tax. For that financial year BY-OCTO recorded a gross margin of € -58,275 and equity of € -179,734. Compared with financial year 2024, the result moved from € -269,883 to € -109,851. The company made a loss. More debts than assets. High debts against a small own buffer. The most recent annual accounts were filed with the National Bank of Belgium on October 31, 2025.
€ -179,734
▼ € 109,851 vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ -109,851
▲ 59 % less loss than in 2024
Profit after tax over the fiscal year.
€ 30,620
▼ 51% vs 2024
Cash and bank balances on the last day of the fiscal year.
Loss, nothing to pay out
Reserves fell to € -379,734.
People and assets in 2025
≈ 1
No payroll staff. One director, so that person most likely runs the business.
€ 16,937
▼ 55% vs 2024
Payroll staff only. What the director pays themselves is already netted into the gross margin and is not shown separately in the accounts.
€ 5,448
▼ 41% vs 2024
Book value of vehicles, furniture and equipment.
Debts at end 2025
€ 870
▼ 15% vs 2024
Loans from banks and other lenders, long and short.
€ 17,160
▼ 28% vs 2024
Supplier invoices still open on the last day of the fiscal year.
€ 4,983
▲ 136% vs 2024
Taxes, VAT and social contributions still to pay.
| 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|
| Gross margin | € -179,892 | € -58,275 | ▲ € 121,617 |
| Profit after taxes | € -269,883 | € -109,851 | ▲ € 160,032 |
| Equity | € -69,883 | € -179,734 | ▼ € 109,851 |
| Total debts | € 359,108 | € 367,521 | ▲ 2% |
| Cash | € 62,493 | € 30,620 | ▼ 51% |
| Retained profit | € -269,883 | € -379,734 | ▼ € 109,851 |
| Bank debt | € 1,020 | € 870 | ▼ 15% |
| Balance sheet total | € 289,224 | € 187,787 | ▼ 35% |
| Employees (FTE) | 1.1 | 0.7 | ▼ 0.4 |
Key figures of BY-OCTO, fiscal years 2024 to 2025, from the annual accounts filed with the National Bank of Belgium.Next annual account (fiscal year 2026) expected before 31 October 2026.
What happened to BY-OCTO?
What happened at BY-OCTO in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2025: loss of € 109,851. Source: NBB ↗
- New establishment in Sint-Pieters-Woluwe. KBO
- Start of the company according to the CBE. KBO
In short
From € 269,883 loss in 2024 to € 109,851 loss in 2025.
Management
The stake of NEXTGEN INVESTMENT GROUP comes from that shareholder’s own annual accounts; small companies do not report their shareholders themselves.
BY-OCTOBehind BY-OCTO are Jean-Marc HEYNDERICKX and M.Y.S SRL. The shares are held by NEXTGEN INVESTMENT GROUP (80%).
Directors
According to the 2025 annual accounts
Jean-Marc HEYNDERICKX
Managing director
Also active at: Etablissements Michel Chausseur et Boy Bottier, K Immo 150, BEAPART, CLARIS HOLDING, Icontech, FEEL’IN, RETAIL STUDIO, OCTOGOLD
Shareholders
Participations
No participations in other companies reported.
Establishments
Establishment units
Physical locations of this company
Tervurenlaan 249 box A
1150 Sint-Pieters-Woluwe
Tervurenlaan 197
1150 Sint-Pieters-Woluwe
Active since 13 July 2022
Who else lives here?
A building full of entrepreneurs or one very busy letterbox? Another 18 companies are registered at this address.
All companies at this address →ARQUITECTONICA EUROPE
DOMH
€ 601,870 revenue · 2025
Uman Partners Benelux
€ 32,865 gross margin · 2026
Vincent THYRION
€ 159,208 gross margin · 2025
FINCHE & COMPANY
€ 96,725 gross margin · 2025
+13 more
What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.
Website
Technologies
Hosting & Email
Email provider
Self-hosted
Hosting
AMAZON-02 - Amazon.com, Inc., US
Domain
Domain
octogony.com
Registered
2024-11-17
Registrar
Gname.com Pte. Ltd.
Expires
2026-11-17
Website info
Features
Security
Network
Details
- Company number
- 0788.532.202
- VAT number
- BE 0788.532.202
- Registered office
- Tervurenlaan 249 bus A, 1150 Sint-Pieters-Woluwe
- Names & denominations
- BY-OCTO
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 13 July 2022
- Peppol
- Active · Active since 11 Dec 2025
- Contact
- octogony.com [email protected]
- Activities · NACE
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