What does Built-up do?

Built-up is an engineering firm in Waterloo. Private Limited, started on 14 February 2017, 1 establishment.

What is the address of Built-up?

The registered office of Built-up is located at Chaussée de Louvain 239, 1410 Waterloo.

Is Built-up still active?

Yes. According to the CBE (29 September 2026) Built-up is active, legal situation “Normale toestand”, started on 14 February 2017.

Is Built-up registered on Peppol?

Yes, Built-up is registered on the Peppol network with ID 0208:0671494970.

What is the enterprise number of Built-up?

The enterprise number of Built-up is BE0671494970.

When was Built-up founded?

Built-up was founded on 14 February 2017.

Who are the directors of Built-up?

According to the 2025 annual accounts, the directors of Built-up are: Nathalie MOMMAERTS.

Is Built-up a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 14 February 2017; 5 annual accounts filed, latest fiscal year 2025; 1 directors known from the annual account.

How much profit did Built-up make in 2025?

Built-up recorded a loss after taxes of € 6,843 in financial year 2025.

What is the revenue of Built-up?

As a small company, Built-up is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € -2,787.

Built-up (Private Limited) - Waterloo - BE0671494970

Dossier Built-up, printed on 29 September 2026 from databakkes.be/en/0671494970/built-up. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Financials

Financial year 2025

Built-up from Waterloo, company number BE0671494970, closed financial year 2025 with a result of € -6,843 after tax. For that financial year Built-up recorded a gross margin of € -2,787 and equity of € 13,646. Compared with financial year 2024, the result moved from € 30,268 to € -6,843. The company made a loss. The company holds a healthy buffer. A strong own buffer against the debts. The most recent annual accounts were filed with the National Bank of Belgium on July 9, 2026.

What it is worth Healthy

€ 13,646

▼ 33% vs 2024

Assets minus debts, by the books. What is left if everything were sold and paid today.

Loss Caution

€ -6,843

▼ still € 30,268 profit in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 4,455

▼ 91% vs 2024

Cash and bank balances on the last day of the fiscal year.

Where the profit goes Caution

Loss, nothing to pay out

Reserves fell to € -4,954.

People and assets in 2025

Full-time equivalents estimate The annual accounts report no full-time equivalents. A micro company with one active director is usually run by that person; this is an assumption, not a figure from the source.

≈ 1

No payroll staff. One director, so that person most likely runs the business.

Vehicles and equipment

€ 1,517

▼ 46% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt

None

No bank loans on the last day of the fiscal year.

Owed to suppliers

€ 740

▲ 12% vs 2024

Supplier invoices still open on the last day of the fiscal year.

Taxes and wages

€ 6,235

▲ 183% vs 2024

Taxes, VAT and social contributions still to pay.

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Key figures per fiscal year Download key figures (CSV)
	2022	2023	2024	2025	Change 2024 → 2025
Gross margin	€ 65,118 Gross margin 2022: € 65,118 First fiscal year in the series	€ 56,701 Gross margin 2023: € 56,701 ▼ 13% vs 2022 (€ 65,118) Unfavourable step	€ 43,903 Gross margin 2024: € 43,903 ▼ 23% vs 2023 (€ 56,701) Unfavourable step	€ -2,787 Gross margin 2025: € -2,787 ▼ € 46,690 vs 2024 (€ 43,903) Unfavourable step	▼ € 46,690
Profit after taxes	€ 46,871 Profit after taxes 2022: € 46,871 First fiscal year in the series	€ 39,274 Profit after taxes 2023: € 39,274 ▼ 16% vs 2022 (€ 46,871) Unfavourable step	€ 30,268 Profit after taxes 2024: € 30,268 ▼ 23% vs 2023 (€ 39,274) Unfavourable step	€ -6,843 Profit after taxes 2025: € -6,843 ▼ € 37,111 vs 2024 (€ 30,268) Unfavourable step	▼ € 37,111
Equity	€ 19,946 Equity 2022: € 19,946 First fiscal year in the series	€ 20,221 Equity 2023: € 20,221 ▲ 1% vs 2022 (€ 19,946) Favourable step	€ 20,489 Equity 2024: € 20,489 ▲ 1% vs 2023 (€ 20,221) Favourable step	€ 13,646 Equity 2025: € 13,646 ▼ 33% vs 2024 (€ 20,489) Unfavourable step	▼ 33%
Total debts	€ 60,819 Total debts 2022: € 60,819 First fiscal year in the series	€ 44,713 Total debts 2023: € 44,713 ▼ 26% vs 2022 (€ 60,819) Favourable step	€ 42,487 Total debts 2024: € 42,487 ▼ 5% vs 2023 (€ 44,713) Favourable step	€ 7,935 Total debts 2025: € 7,935 ▼ 81% vs 2024 (€ 42,487) Favourable step	▼ 81%
Cash	€ 71,258 Cash 2022: € 71,258 First fiscal year in the series	€ 48,598 Cash 2023: € 48,598 ▼ 32% vs 2022 (€ 71,258) Unfavourable step	€ 51,543 Cash 2024: € 51,543 ▲ 6% vs 2023 (€ 48,598) Favourable step	€ 4,455 Cash 2025: € 4,455 ▼ 91% vs 2024 (€ 51,543) Unfavourable step	▼ 91%
Land & buildings	€ 2,050 Land & buildings 2022: € 2,050 First fiscal year in the series	€ 1,538 Land & buildings 2023: € 1,538 ▼ 25% vs 2022 (€ 2,050) Unchanged	€ 1,025 Land & buildings 2024: € 1,025 ▼ 33% vs 2023 (€ 1,538) Unchanged	€ 513 Land & buildings 2025: € 513 ▼ 50% vs 2024 (€ 1,025) Unchanged	▼ 50%
Retained profit	€ 1,346 Retained profit 2022: € 1,346 First fiscal year in the series	€ 1,621 Retained profit 2023: € 1,621 ▲ 20% vs 2022 (€ 1,346) Favourable step	€ 1,889 Retained profit 2024: € 1,889 ▲ 17% vs 2023 (€ 1,621) Favourable step	€ -4,954 Retained profit 2025: € -4,954 ▼ € 6,843 vs 2024 (€ 1,889) Unfavourable step	▼ € 6,843
Dividend	€ 61,000 Dividend 2022: € 61,000 First fiscal year in the series	€ 39,000 Dividend 2023: € 39,000 ▼ 36% vs 2022 (€ 61,000) Unchanged	€ 30,000 Dividend 2024: € 30,000 ▼ 23% vs 2023 (€ 39,000) Unchanged	€ 0 Dividend 2025: € 0 ▼ 100% vs 2024 (€ 30,000) Unchanged	▼ 100%
Balance sheet total	€ 80,765 Balance sheet total 2022: € 80,765 First fiscal year in the series	€ 64,934 Balance sheet total 2023: € 64,934 ▼ 20% vs 2022 (€ 80,765) Unchanged	€ 62,976 Balance sheet total 2024: € 62,976 ▼ 3% vs 2023 (€ 64,934) Unchanged	€ 21,580 Balance sheet total 2025: € 21,580 ▼ 66% vs 2024 (€ 62,976) Unchanged	▼ 66%

Key figures of Built-up, fiscal years 2022 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 Built-up?

What happened at Built-up in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:

Jul 9, 2026 New annual accounts for financial year 2025: loss of € 6,843 (▼ € 37,111 vs 2024). Source: NBB ↗
Feb 14, 2017 New establishment in Waterloo. KBO
2017 Nathalie MOMMAERTS became a director. NBB
Feb 14, 2017 Start of the company according to the CBE. KBO

In short

From € 46,871 profit in 2022 to € 6,843 loss in 2025.

Paid € 33,982 in corporate taxes since 2022.

Best year ever: 2022, with € 46,871 profit.

Paid out € 130,000 in dividends to the owners in total.

Original PDFs at the National Bank ↗

A new publication or filing at Built-up? We notify you, reason included.

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My folder 3 companies

De Lijn 8 June 2026 New annual account 2025

filed on 8 June 2026

What was left

€ 20 k ▼ 91%
Money in the bank

€ 178 k ▼ 98%

Open the dossier →
NMBS 8 June 2026 New annual account 2025 What was left ▼ 80%
bpost 18 May 2026 New annual account 2025 What was left from loss to profit

Real filings at the National Bank

Management

Nathalie MOMMAERTS

Built-up

Behind Built-up is Nathalie MOMMAERTS.

See the full network in the app

Directors

According to the 2025 annual accounts

Nathalie MOMMAERTS

Director

since 2017

Establishments

Establishment units

Physical locations of this company

Registered office

Chaussée de Louvain 239

1410 Waterloo

Who else lives here?

A building full of entrepreneurs or one very busy letterbox? Another 1 companies are registered at this address.

All companies at this address →

NOVATRADE

€ -13,469 gross margin · 2024

What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.

Details

Company number

0671.494.970

VAT number

BE 0671.494.970

Registered office

Chaussée de Louvain 239, 1410 Waterloo

Names & denominations

Built-up

Enterprise type

Rechtspersoon

Legal form

Private limited company

Legal situation

Normale toestand

Start date

14 February 2017

Peppol

Active · Active since 4 Dec 2025

Activities · NACE

Activiteiten van ingenieurs en aanverwante technische adviseurs, exclusief landmeters-experts

Activiteiten van bouwarchitecten

View on CBE Public ↗ Annual accounts (NBB) ↗

Built-up

Financials

What happened to Built-up?

Know what changes at your customers, suppliers and competitors. Without reading an annual account.

Management

Directors

Establishments

Establishment units

Who else lives here?

Details

Frequently asked questions