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Signals from the annual accounts, the CBE and the Official Gazette, each with its threshold and source. No score, no verdict.
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Busy address KBO
41 other companies have their registered office at the same address; threshold 10.
Financials
Financial year 2025
SOLENA from Ottignies-Louvain-la-Neuve, company number BE0801453986, closed financial year 2025 with a result of € 61,748 after tax. For that financial year SOLENA recorded a gross margin of € 184,386 and equity of € 67,774. Compared with financial year 2024, the result moved from € 1,026 to € 61,748. Profitable, and profit is growing. The buffer is growing. A strong own buffer against the debts. The most recent annual accounts were filed with the National Bank of Belgium on August 24, 2026.
€ 67,774
▲ € 61,748 vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ 61,748
▲ € 60,722 vs 2024
Profit after tax over the fiscal year.
€ 46,346
▲ € 39,104 vs 2024
Cash and bank balances on the last day of the fiscal year.
Stays in the company
No dividend for 2025. Retained profit grew to € 62,774.
People and assets in 2025
≈ 1
No payroll staff. One director, so that person most likely runs the business.
€ 111,367
▲ 176% 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.
€ 16,598
▲ € 14,100 vs 2024
Of which on lease € 1,614.
Debts at end 2025
€ 885
▼ 9% vs 2024
Loans from banks and other lenders, long and short.
€ 26,306
▲ € 19,896 vs 2024
Supplier invoices still open on the last day of the fiscal year.
€ 46,917
▲ € 41,887 vs 2024
Taxes, VAT and social contributions still to pay.
| 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|
| Gross margin | € 38,885 | € 184,386 | ▲ € 145,501 |
| Profit after taxes | € 1,026 | € 61,748 | ▲ € 60,722 |
| Equity | € 6,026 | € 67,774 | ▲ € 61,748 |
| Total debts | € 22,102 | € 91,529 | ▲ € 69,428 |
| Cash | € 7,242 | € 46,346 | ▲ € 39,104 |
| Retained profit | € 1,026 | € 62,774 | ▲ € 61,748 |
| Bank debt | € 970 | € 885 | ▼ 9% |
| Balance sheet total | € 28,127 | € 159,303 | ▲ € 131,176 |
Key figures of SOLENA, 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 July 2027.
What happened to SOLENA?
What happened at SOLENA in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2025: profit of € 61,748 (▲ € 60,722 vs 2024). filed late Source: NBB ↗
- New establishment in Wavre. KBO
- Incorporation, published in the Gazette. Source: Staatsblad ↗
- New establishment in Ottignies-Louvain-la-Neuve. KBO
In short
From € 1,026 profit in 2024 to € 61,748 profit in 2025.
Paid € 25,063 in corporate taxes since 2024.
Best year ever: 2025, with € 61,748 profit.
Management
Behind SOLENA is THOMAS GAILLIEZ.
Directors
According to the 2025 annual accounts
THOMAS GAILLIEZ
Director
Establishments
Establishment units
Physical locations of this company
Traverse d'Esope 6
1348 Ottignies-Louvain-la-Neuve
Avenue Franklin 4 box 10
1300 Wavre
Active since 20 August 2026
Who else lives here?
A building full of entrepreneurs or one very busy letterbox? Another 41 companies are registered at this address.
All companies at this address →Habitat et Participation
€ 25,507 revenue · 2025
Institut Charles Péguy
TOMAHAWK 16 ORIGINAL BUSINESS ET MARKETING
€ 2,951 gross margin · 2026
ATOUTAGE Réseau interassociatif Generations Solidaires
Amarris LLN
€ 772,299 gross margin · 2025
+36 more
What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.
Shareholders according to the Official Gazette deeds
Who contributed at incorporation and at capital increases, with the deed as source. Later share transfers are not published in the Gazette.
Incorporation
Source: Deed ↗- Thomas GAILLIEZ(oprichter) 51%
- Nicolas KARLSHAUSEN(oprichter) 49%
Details
- Company number
- 0801.453.986
- VAT number
- BE 0801.453.986
- Registered office
- Traverse d'Esope 6, 1348 Ottignies-Louvain-la-Neuve
- Names & denominations
- SOLENA
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 4 May 2023
- Peppol
- Active · Active since 31 Mar 2026
- Activities · NACE
Installatie van duurzame elektrische installaties
Algemene elektrotechnische installatiewerken
Schrijnwerk
Algemene bouw van andere niet-residentiële gebouwen
Installatie van verwarming, klimaatregeling, koeling en ventilatie aangedreven door elektriciteit
Dakwerkzaamheden
Vervaardiging van andere elektrische apparatuur