ACTIVE

RUMM architecten

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Financial year 2025 · closed on 31/12/2025

Net result

32,6 k €

-66.3% YoY

Gross margin

443,8 k €

-9.8% YoY

Equity

296,4 k €

+12.3% YoY

Workforce

6,0 ETP

0.0% YoY

What does RUMM architecten do?

RUMM architecten is a Private limited company incorporated in 2004. Its main activity is: Architectural activities. Its registered office is in Grimbergen. It employs on average 6,0 ETP workers (FTE).

Legal situation

● Normal situation

BCE/KBO no. / VAT

BE 0865.781.715

Incorporation

15/06/2004

Legal form

Private limited company

Registered office

Prinsenstraat 26
1850 Grimbergen · FlandreSee on map

Contributed capital

6 200,00 €

Latest accounts

31/12/2025

Average workforce

6,0 ETP

Activities (NACE)

71111Architectural activities· main 71111Architectural activities 74201Photographic activities

Joint committees (2)

336
33600

Signals

ProfitableSolid equityLow riskGood liquidityPositive cashflowPositive EBITDAHealthy social debts

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Health score

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✦ Verdict · Analyst summary

Financials

Trend over 20 financial years

	2025		2024		2023		2022		2021		2020		2019		2018		2017		2016		2015		2014		2013		2012		2011		2010		2009		2008		2007		2006
Income statement
Gross margin	443,8 k €	-9.8%	492,3 k €	+8.9%	452 k €	-0.2%	453 k €	-3.1%	467,5 k €	-3.9%	486,5 k €	+21.5%	400,5 k €	-23.3%	522,1 k €	+31.8%	396,2 k €	+92.6%	205,7 k €	-26.3%	279,2 k €	+58.0%	176,7 k €	+57.8%	112 k €	-83.2%	667,6 k €	+450%	121,4 k €	+13.6%	106,9 k €	-31.0%	155 k €	+81.8%	85,3 k €	+104%	41,9 k €	+18.4%	35,4 k €
EBITDA	108,7 k €	-41.9%	187,2 k €	+67.6%	111,7 k €	-20.5%	140,5 k €	-26.8%	191,9 k €	+36.0%	141 k €	-31.7%	206,5 k €	-41.2%	351,3 k €	+35.6%	259 k €	+42.3%	182 k €	-34.4%	277,6 k €	+64.0%	169,2 k €	+56.3%	108,3 k €	-83.6%	661,6 k €	+1057%	57,2 k €	-49.1%	112,3 k €	-25.8%	151,3 k €	+85.5%	81,5 k €	+104%	40 k €	+13.6%	35,2 k €
Operating result	51,6 k €	-62.1%	136,3 k €	+133%	58,6 k €	-3.8%	60,9 k €	-55.8%	137,8 k €	+49.8%	92 k €	-86.9%	701,7 k €	+133%	300,8 k €	+42.9%	210,6 k €	+50.6%	139,9 k €	-41.6%	239,3 k €	+85.2%	129,2 k €	+86.5%	69,3 k €	-0.4%	69,5 k €	+1656%	-4,5 k €	-109%	50,5 k €	-45.5%	92,8 k €	+62.6%	57,1 k €	+188%	19,8 k €	-8.9%	21,7 k €
Net result	32,6 k €	-66.3%	96,7 k €	+158%	37,5 k €	+10.1%	34 k €	-62.9%	91,9 k €	+58.8%	57,9 k €	-88.1%	486 k €	+138%	203,9 k €	+61.9%	125,9 k €	+57.0%	80,2 k €	-44.0%	143,2 k €	+45.5%	98,4 k €	+249%	28,2 k €	+3.9%	27,1 k €	+12.0%	24,2 k €	-8.8%	26,5 k €	-57.7%	62,8 k €	+64.0%	38,3 k €	+196%	12,9 k €	-12.6%	14,8 k €
Balance sheet
Equity	296,4 k €	+12.3%	263,9 k €	+18.8%	222,1 k €	+9.8%	202,2 k €	+20.2%	168,2 k €	+120%	76,3 k €	+314%	18,4 k €	0.0%	18,4 k €	0.0%	18,4 k €	0.0%	18,4 k €	+0.0%	18,4 k €	0.0%	18,4 k €	-88.4%	158,4 k €	+21.7%	130,2 k €	+26.3%	103 k €	+30.7%	78,8 k €	-53.6%	169,9 k €	+58.6%	107,1 k €	+55.6%	68,9 k €	+23.1%	56 k €
Total assets	535,8 k €	-7.6%	579,9 k €	-4.6%	607,9 k €	-5.1%	640,4 k €	-21.4%	815,1 k €	+3.9%	784,4 k €	-20.9%	991,4 k €	+14.4%	866,9 k €	+11.0%	781 k €	+12.9%	691,7 k €	-15.7%	820,5 k €	+0.7%	814,4 k €	+19.2%	683,5 k €	-7.6%	739,7 k €	+20.9%	612,1 k €	+70.9%	358,1 k €	+24.7%	287,1 k €	+67.6%	171,3 k €	+60.1%	107 k €	+33.7%	80 k €
Cash	118 k €	+22.2%	96,5 k €	+132%	41,6 k €	-45.9%	76,9 k €	-30.4%	110,5 k €	-38.2%	178,7 k €	-61.3%	461,9 k €	+731%	55,6 k €	-34.2%	84,4 k €	-42.7%	147,3 k €	+25.3%	117,5 k €	+12.1%	104,9 k €	+60.5%	65,3 k €	-44.1%	116,9 k €	+64.1%	71,2 k €	-48.6%	138,5 k €	-18.5%	169,8 k €	+40.7%	120,7 k €	+125%	53,7 k €	+12.2%	47,8 k €
Debts	195,7 k €	-25.9%	264,1 k €	-9.8%	292,9 k €	-20.1%	366,5 k €	-32.6%	543,6 k €	-12.4%	620,3 k €	-29.1%	875,4 k €	+18.1%	741 k €	+14.9%	644,8 k €	+18.3%	544,9 k €	-16.8%	655,2 k €	-16.2%	782 k €	+53.0%	511,1 k €	-14.7%	599,2 k €	+17.8%	508,7 k €	+95.4%	260,3 k €	+134%	111,2 k €	+149%	44,7 k €	+17.3%	38,1 k €	+58.4%	24,1 k €
Other
Workforce	6,0 ETP	0.0%	6,0 ETP	+1.7%	5,9 ETP	+9.3%	5,4 ETP	+14.9%	4,7 ETP	-24.2%	6,2 ETP	+14.8%	5,4 ETP	+38.5%	3,9 ETP	+21.9%	3,2 ETP	+433%	0,6 ETP		–		–		–		0,5 ETP	-44.4%	0,9 ETP		–		–		–		–		–

Estimate

Indicative valuation

As an indication, this company is worth

between 500 k€ and 1 M€

See the valuation

Governance

Board of directors

Seen on filing of 31/12/2025 · 1 active · 3 ended

Active mandates

Koen Gaudaen

Director

Active

Ended mandates

Lieve Poels

Manager · since 01 octobre 2010

Ended

Lieve Poels

Manager · since 01 janvier 2009

Ended

Koen Gaudaen

Manager

Ended

Annual accounts

Full financial information

	2025	2024	2023	2022	2021	2020
Type of account	Abridged model	Abridged model	Abridged model	Abridged model	Abridged model	Abridged model
Start of the financial year	01/01/2025	01/01/2024	01/01/2023	01/01/2022	01/01/2021	01/01/2020
Closing of the financial year	31/12/2025	31/12/2024	31/12/2023	31/12/2022	31/12/2021	31/12/2020
Length of the financial year	12 months	12 months	12 months	12 months	12 months	12 months
Filing date	17/06/2026	26/06/2025	07/06/2024	07/06/2023	07/06/2022	08/06/2021
General meeting	06/06/2026	24/06/2025	01/06/2024	03/06/2023	07/06/2022	07/06/2021
Currency of the financial year	EUR	EUR	EUR	EUR	EUR	EUR
NBB quality label	Satisfying controls	Satisfying controls	Satisfying controls	Satisfying controls	Satisfying controls	Satisfying controls

Ratios

Financial ratios

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Filings

Annual accounts filings

20 filings with the NBB

Model	Closing	General meeting	Filed	Language	Document
Abridged model	31/12/2025	06/06/2026	17/06/2026	Dutch	PDF
Abridged model	31/12/2024	24/06/2025	26/06/2025	Dutch	PDF
Abridged model	31/12/2023	01/06/2024	07/06/2024	Dutch	PDF
Abridged model	31/12/2022	03/06/2023	07/06/2023	Dutch	PDF
Abridged model	31/12/2021	07/06/2022	07/06/2022	Dutch	PDF
Abridged model	31/12/2020	07/06/2021	08/06/2021	Dutch	PDF
Abridged model	31/12/2019	06/06/2020	10/06/2020	Dutch	PDF
Abridged model	31/12/2018	01/06/2019	06/08/2019	Dutch	PDF
Abridged model	31/12/2017	01/06/2018	12/06/2018	Dutch	PDF
Abridged model	31/12/2016	03/06/2017	28/06/2017	Dutch	PDF
Abridged model	31/12/2015	04/06/2016	10/06/2016	Dutch	PDF
Abridged model	31/12/2014	22/04/2015	30/04/2015	Dutch	PDF
Abridged model	31/12/2013	07/06/2014	04/07/2014	Dutch	PDF
Abridged model	31/12/2012	01/06/2013	07/06/2013	Dutch	PDF
Abridged model	31/12/2011	02/06/2012	31/08/2012	Dutch	PDF
Abridged model	31/12/2010	04/06/2011	30/08/2011	Dutch	PDF
Abridged model	31/12/2009	15/03/2010	02/07/2010	Dutch	PDF
Abridged model	31/12/2008	06/06/2009	11/06/2009	Dutch	PDF
Abridged model	31/12/2007	07/06/2008	25/06/2008	Dutch	PDF
Abridged model	31/12/2006	02/06/2007	20/06/2007	Dutch	PDF

Estimate

Indicative valuation

Order of magnitude

As an indication, this company is worth

between 500 k€ and 1 M€

The detail comes with the Business plan: low and high bounds, the valuation bridge for each financial year, transaction multiples by sector and size, group valuation and exports.

Discover the Business plan

Disclaimer

Indicative estimate based on public sector multiples and the filed annual accounts. It is neither a certified valuation nor financial or investment advice.

Governance

Board of directors

Seen on filing of 31/12/2025 · 1 active · 3 ended

Active mandates

Koen Gaudaen

Director

Active

Ended mandates

Lieve Poels

Manager · since 01 octobre 2010

Ended

Lieve Poels

Manager · since 01 janvier 2009

Ended

Koen Gaudaen

Manager

Ended

Shareholders

Ownership and network

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Try for 7 days

Belgian Official Gazette

Belgian Official Gazette publications

Mandates14/07/2026
STATUTEN (VERTALING, COÖRDINATIE, OVERIGE WIJZIGINGEN, ) - BENAMING - MAATSCHAPPELIJKE ZETEL - ADRESSEN ANDERS DAN MAATSCHAPPELIJKE ZETEL - DOEL - KAPITAAL - AANDELEN - ONTSLAGEN - BENOEMINGEN
PDF
Mandates17/01/2023
STATUTEN (VERTALING, COÖRDINATIE, OVERIGE WIJZIGINGEN, ) - WIJZIGING RECHTSVORM - ONTSLAGEN - BENOEMINGEN
PDF
Other02/06/2015
BENAMING - STATUTEN (VERTALING, COÖRDINATIE, OVERIGE WIJZIGINGEN, )
PDF
Mandates26/05/2014
ONTSLAGEN - BENOEMINGEN
PDF
Mandates09/11/2010
ONTSLAGEN - BENOEMINGEN
PDF
Registered office22/06/2010
MAATSCHAPPELIJKE ZETEL
PDF
Other03/07/2008
STATUTEN (VERTALING, COÖRDINATIE, OVERIGE WIJZIGINGEN, )
PDF
Mandates08/06/2007
ONTSLAGEN - BENOEMINGEN
PDF

Source: Belgian Official Gazette

Competition

Similar companies

A company's peers, by sector and size, are included in the Business plan.

See the Business plan

2025
Annual accounts 202532,6 k €↓
2024
Annual accounts 202496,7 k €↑
2023
Annual accounts 202337,5 k €↑
2022
Annual accounts 202234 k €↓
2021
Annual accounts 202191,9 k €↑
2020
Annual accounts 202057,9 k €↓
2019
Annual accounts 2019486 k €↑
2018
Annual accounts 2018203,9 k €↑
2017
Annual accounts 2017125,9 k €↑
2016
Annual accounts 201680,2 k €↓
2015
Annual accounts 2015143,2 k €↑
2015
Name changeG&G Architecten
2014
Annual accounts 201498,4 k €↑
2013
Annual accounts 201328,2 k €↑
2012
Annual accounts 201227,1 k €↑
2011
Annual accounts 201124,2 k €↓
2010
Annual accounts 201026,5 k €↓
2009
Annual accounts 200962,8 k €↑
2008
Annual accounts 200838,3 k €↑
2007
Annual accounts 200712,9 k €↓
2006
Annual accounts 200614,8 k €
2006
Name changeKOEN GAUDAEN ARCHITECT
15/06/2004
IncorporationPrivate limited company

10/15	1 240 000	1 180 000	1 050 000
70	8 630 000	8 120 000	7 940 000
9904	412 000	388 000	301 000
17/49	2 970 000	3 140 000	3 380 000
9087	24,3	23,1	21,8

RUMM architecten

Overview

What does RUMM architecten do?

Trend over 20 financial years

Indicative valuation

Board of directors

Financials

Full financial information

Financial ratios

Annual accounts filings

Valuation

Indicative valuation

Directors & structure

Board of directors

Ownership and network

Publications

Belgian Official Gazette publications

Similar companies

Similar companies

Timeline