Lists
The largest companies in Leuven
4,959 companies in Leuven published figures. Ranked by revenue (full accounts) and separately by gross margin (abbreviated accounts).
Whole province: Flemish Brabant →
By revenue
| # | Company | Amount | Fiscal year | FTE |
|---|---|---|---|---|
| 1 | Interuniversitair Micro-Electronica Centrum | € 804,302,738 | 2025 | 2,904 |
| 2 | TERUMO EUROPE | € 799,237,192 | 2026 | 721 |
| 3 | AVEVE | € 779,273,006 | 2025 | 474 |
| 4 | KBC Autolease | € 505,321,334 | 2025 | 138 |
| 5 | SIEMENS INDUSTRY SOFTWARE | € 353,566,326 | 2025 | 487 |
| 6 | Donaldson Europe | € 320,792,425 | 2025 | 503 |
| 7 | Arvesta Animal Nutrition | € 250,471,469 | 2025 | 391 |
| 8 | GC EUROPE | € 208,972,663 | 2026 | 135 |
| 9 | MATERIALISE | € 181,049,952 | 2025 | 606 |
| 10 | JSR Micro | € 174,594,325 | 2026 | 213 |
| 11 | TOMRA Food (Belgium) | € 159,479,906 | 2025 | 181 |
| 12 | IDEWE - Externe dienst voor Preventie en Bescherming op het werk | € 129,556,563 | 2025 | 807 |
| 13 | BENEO-Remy | € 124,668,033 | 2026 | 190 |
| 14 | Regionaal Ziekenhuis Heilig Hart Leuven | € 118,726,370 | 2025 | 627 |
| 15 | Arvesta Belgium | € 112,054,686 | 2025 | 151 |
| 16 | Z.org KU Leuven | € 111,242,745 | 2025 | 941 |
| 17 | COBELAL | € 109,995,071 | 2025 | 33 |
| 18 | General Mobility Services | € 106,707,047 | 2025 | 84 |
| 19 | Jungheinrich | € 100,688,188 | 2025 | 239 |
| 20 | Nobelwind | € 98,170,091 | 2025 | |
| 21 | YAMAZAKI MAZAK EUROPE | € 89,087,131 | 2026 | 74 |
| 22 | UC Leuven | € 85,727,730 | 2025 | 175 |
| 23 | BELWIND | € 79,747,555 | 2025 | |
| 24 | NORTHWESTER 2 | € 75,583,058 | 2025 | |
| 25 | Simac | € 69,665,993 | 2025 | 167 |
| 26 | SBB BEDRIJFSDIENSTEN | € 69,456,376 | 2025 | 534 |
| 27 | GC Manufacturing Europe | € 68,487,795 | 2026 | 38 |
| 28 | Arvesta | € 66,191,549 | 2025 | 218 |
| 29 | SBB Gecertificeerde Accountants en Adviseurs | € 65,285,349 | 2025 | |
| 30 | AE | € 64,817,213 | 2025 | 336 |
| 31 | JOB TALENT | € 64,291,207 | 2025 | 574 |
| 32 | MEDPACE LABORATORIES | € 58,172,572 | 2025 | 157 |
| 33 | integrated DNA technologies | € 57,152,038 | 2025 | 176 |
| 34 | NIKON METROLOGY EUROPE | € 56,434,746 | 2026 | 37 |
| 35 | RANDSTAD DIGITAL BELGIUM | € 55,793,962 | 2025 | 346 |
| 36 | SEPTENTRIO | € 54,320,562 | 2024 | 115 |
| 37 | SYMETA HYBRID | € 53,854,777 | 2026 | 217 |
| 38 | EcoWerf, Intergemeentelijk Milieubedrijf Oost-Brabant | € 53,571,356 | 2025 | 404 |
| 39 | AFRIMA | € 50,347,964 | 2025 | 228 |
| 40 | EIT FOOD | € 47,863,428 | 2024 | 91 |
| 41 | PARKWIND | € 47,366,661 | 2025 | 190 |
| 42 | PROGRAMME EUROPEEN POUR L'EVALUATION D'AUTOMOBILES NEUVES - EUROPEAN NEW CAR ASSESSMENT PROGRAMME | € 43,901,157 | 2025 | 10 |
| 43 | Chemelex Belgium | € 42,353,282 | 2025 | 98 |
| 44 | NELSON LABS | € 41,251,524 | 2025 | 203 |
| 45 | DYLS CONSTRUCT | € 37,770,698 | 2025 | 22 |
| 46 | CAMCO TECHNOLOGIES | € 37,367,246 | 2025 | 170 |
| 47 | HUAWEI TECHNOLOGIES RESEARCH & DEVELOPMENT BELGIUM | € 36,977,970 | 2025 | 54 |
| 48 | ICOS VISION SYSTEMS | € 36,602,258 | 2025 | 130 |
| 49 | Samenaankoop KU Leuven | € 36,509,280 | 2025 | |
| 50 | Audika | € 36,381,563 | 2025 | 163 |
| 51 | VLAAMS SELECTIECENTRUM VOOR HET OVERHEIDSPERSONEEL C.V.B.A."TEVENS GENAAMD 'JOBPUNT VLAANDEREN' EN/ OF 'POOLSTOK' | € 35,531,292 | 2025 | 32 |
| 52 | AXON TRAVEL | € 34,688,386 | 2025 | 42 |
| 53 | FERM KINDEROPVANG | € 34,587,098 | 2025 | 1,189 |
| 54 | ASM Belgium | € 33,526,189 | 2025 | 92 |
| 55 | Omnia Travel | € 31,933,829 | 2025 | 99 |
| 56 | GFK BELGIUM | € 31,524,989 | 2025 | 74 |
| 57 | NINATRANS | € 30,798,677 | 2025 | 91 |
| 58 | AECOM BELGIUM | € 30,637,558 | 2025 | 54 |
| 59 | NielsenIQ Belgium | € 29,828,719 | 2024 | 79 |
| 60 | Exosens Imaging Belgium | € 29,745,610 | 2025 | 68 |
| 61 | Woonzorgnet-Dijleland | € 29,365,960 | 2025 | 366 |
| 62 | GuardSquare | € 29,133,895 | 2025 | 104 |
| 63 | CARE CARROSSERIE | € 28,180,961 | 2025 | 190 |
| 64 | CARL ZEISS | € 28,093,479 | 2025 | 56 |
| 65 | EKINOPS BELGIUM | € 27,844,176 | 2025 | 95 |
| 66 | LayerWise | € 27,343,882 | 2025 | 170 |
| 67 | ICsense | € 25,653,247 | 2026 | 104 |
| 68 | NXP SEMICONDUCTORS BELGIUM | € 25,651,268 | 2025 | 112 |
| 69 | ADD | € 25,506,216 | 2025 | 127 |
| 70 | MAXFLOW | € 25,453,988 | 2025 | 7 |
| 71 | RESITERRA | € 25,261,864 | 2025 | 1 |
| 72 | Medisch Centrum voor Huisartsen | € 24,544,695 | 2025 | 120 |
| 73 | VIRBAC BELGIUM | € 24,139,127 | 2025 | 15 |
| 74 | DIJLEDAL Sociale Huisvesting Leuven | € 23,688,493 | 2025 | 70 |
| 75 | SENSIENT FLAVORS BELGIUM | € 23,626,672 | 2025 | 49 |
| 76 | Varia-Pack | € 23,056,460 | 2025 | 36 |
| 77 | VISMED | € 22,937,636 | 2025 | |
| 78 | SUi | € 22,596,534 | 2025 | 1,063 |
| 79 | StepUp RGM | € 22,278,010 | 2025 | 18 |
| 80 | MEDPACE BELGIUM | € 21,626,843 | 2025 | 178 |
| 81 | REHAU | € 20,613,024 | 2025 | 16 |
| 82 | SDL BELGIUM | € 20,207,033 | 2025 | 27 |
| 83 | CARL ZEISS VISION BELGIUM NV | € 19,865,139 | 2025 | 23 |
| 84 | Cera | € 19,709,510 | 2025 | 46 |
| 85 | Norgine | € 19,148,743 | 2024 | 24 |
| 86 | ENTIRIS | € 18,927,215 | 2025 | 1,449 |
| 87 | OH LEUVEN | € 18,264,395 | 2026 | 129 |
| 88 | Demant Belgium | € 17,318,900 | 2025 | 10 |
| 89 | TALAN BELGIUM | € 16,288,264 | 2025 | 112 |
| 90 | P95 | € 15,709,541 | 2024 | 68 |
| 91 | LUCIAD | € 15,610,079 | 2024 | 69 |
| 92 | DATADOBI | € 14,971,417 | 2025 | 11 |
| 93 | SSI SCHAFER | € 14,777,661 | 2025 | 41 |
| 94 | PROJECT ENGINEERING AND CONTRACTING | € 14,603,208 | 2025 | 70 |
| 95 | HOME CONTROL EUROPE | € 14,556,584 | 2025 | 5 |
| 96 | ACADEMISCHE COOPERATIEVE VENNOOTSCHAP | € 14,524,077 | 2024 | 59 |
| 97 | OMEXCO | € 14,112,500 | 2025 | 37 |
| 98 | FERM THUISZORG | € 14,050,689 | 2025 | 1,359 |
| 99 | VITeS | € 14,044,208 | 2025 | 530 |
| 100 | Funecare | € 13,995,996 | 2025 | 63 |
| 101 | Amexio Belgium | € 13,603,091 | 2025 | 92 |
| 102 | TAUW BELGIQUE | € 13,516,107 | 2023 | 96 |
| 103 | FERM DIENSTENCHEQUES | € 13,102,334 | 2025 | 975 |
| 104 | BODEMKUNDIGE DIENST VAN BELGIE - SERVICE PEDOLOGIQUE DE BELGIQUE | € 12,486,878 | 2025 | 133 |
| 105 | Enovis Surgical Belux | € 12,289,616 | 2023 | 16 |
| 106 | DELLETRANS | € 12,254,195 | 2025 | 69 |
| 107 | LINDNER WELSY | € 12,159,959 | 2025 | 16 |
| 108 | CENTRUM VOOR TECHNISCHE AUTOMOBIELINSPECTIE | € 12,053,691 | 2025 | 81 |
| 109 | Intercommunale Maatschappij voor de Ruimtelijke Ordening en de Economische Sociale Expansie van het Arrondissement Leuven | € 11,677,203 | 2025 | 70 |
| 110 | ZIMMO | € 11,565,246 | 2025 | 49 |
| 111 | LeuTech | € 11,552,288 | 2025 | |
| 112 | Keysight Technologies Belgium | € 11,350,338 | 2025 | 100 |
| 113 | ALMA | € 11,241,472 | 2025 | 96 |
| 114 | ALGEMENE BRAND BEVEILIGINGSSYSTEMEN | € 10,549,035 | 2025 | 19 |
| 115 | EASDAQ | € 10,428,317 | 2025 | |
| 116 | archipelago Leuven | € 10,388,590 | 2025 | |
| 117 | IBEVE vzw | € 10,144,896 | 2025 | 60 |
| 118 | CD3 Labs | € 9,997,131 | 2025 | 44 |
| 119 | WISSNER -BOSSERHOFF BELGIUM | € 9,750,964 | 2026 | 32 |
| 120 | Pulso Europe | € 9,675,560 | 2025 | 36 |
| 121 | Other World Computing Europe | € 9,568,595 | 2024 | 9 |
| 122 | WERKERS in uitzenden | € 9,332,652 | 2025 | 259 |
| 123 | Domaine Name Registration België- Domaine Name Registration Belgique - Domaine Name Registration Belgium | € 8,814,225 | 2025 | 37 |
| 124 | IMEC International | € 8,410,292 | 2025 | |
| 125 | WANZL | € 8,166,984 | 2025 | 15 |
| 126 | Lam Research Belgium | € 8,100,054 | 2025 | 27 |
| 127 | PREMED, Preventie en Bescherming | € 8,057,762 | 2025 | 52 |
| 128 | COMATE | € 7,865,891 | 2025 | 60 |
| 129 | TENFORCE | € 7,752,390 | 2025 | 42 |
| 130 | VAN DER POORTEN | € 7,750,931 | 2025 | 32 |
| 131 | Ferm Huishoudhulp | € 7,715,775 | 2025 | 718 |
| 132 | HOME VOGELZANG | € 7,608,801 | 2025 | 82 |
| 133 | EISAI | € 7,590,065 | 2026 | 13 |
| 134 | Cyient Semiconductors | € 7,130,838 | 2026 | 23 |
| 135 | G.I.M. - GEOGRAPHIC INFORMATION MANAGEMENT | € 7,070,810 | 2025 | 40 |
| 136 | AL TAJ | € 6,947,745 | 2024 | |
| 137 | Boondoggle Havas | € 6,931,412 | 2024 | 34 |
| 138 | Wijgmaalbroek | € 6,811,750 | 2025 | 59 |
| 139 | THEO Technologies | € 6,726,704 | 2023 | 36 |
| 140 | ERTZBERG | € 6,651,353 | 2025 | 24 |
| 141 | AKTIEFINVEST | € 6,619,418 | 2025 | 5 |
| 142 | ARVESTA LOGISTICS | € 6,579,950 | 2025 | 50 |
| 143 | FESTINA LOTUS BELGIUM | € 6,170,903 | 2025 | 11 |
| 144 | YouGov CP Belgium | € 5,934,045 | 2025 | 47 |
| 145 | MediaNot | € 5,134,162 | 2025 | 7 |
| 146 | nVent Belgium | € 5,120,582 | 2025 | 21 |
| 147 | CONSULTES | € 5,104,019 | 2026 | 27 |
| 148 | RAPIDFIT | € 4,930,261 | 2025 | 20 |
| 149 | INNOPA | € 4,675,759 | 2025 | 28 |
| 150 | LanguageWire | € 4,651,697 | 2025 | 18 |
| 151 | Woon- en zorgcentrum Annuntiaten Heverlee | € 4,451,395 | 2025 | 55 |
| 152 | Xeryon | € 4,403,261 | 2025 | 30 |
| 153 | LOGISTIEKE EN ADMINISTRATIEVE VEILINGSASSOCIATIE | € 4,227,278 | 2025 | 7 |
| 154 | APPLIED MATERIALS BELGIUM | € 4,164,269 | 2022 | 23 |
| 155 | Sparkle Data Consulting | € 4,088,829 | 2025 | 14 |
| 156 | RiskConcile | € 3,809,566 | 2025 | 18 |
| 157 | OPTION | € 3,688,746 | 2025 | 16 |
| 158 | XEDIS | € 3,605,626 | 2025 | 8 |
| 159 | Spelsberg Belgium | € 3,589,943 | 2025 | 4 |
| 160 | GASCOMPONENTEN | € 3,522,938 | 2025 | 4 |
| 161 | GROEP SPORTOASE | € 3,519,680 | 2025 | 17 |
| 162 | BEXIMP | € 3,490,319 | 2025 | |
| 163 | DRAKA BELGIUM | € 3,411,597 | 2025 | 1 |
| 164 | Wonen en Werken Tewerkstelling | € 3,393,875 | 2025 | 175 |
| 165 | Finance & Management Executives | € 3,371,756 | 2025 | 3 |
| 166 | Longo Belgium | € 3,294,074 | 2025 | |
| 167 | Vaultspeed | € 3,275,334 | 2025 | 5 |
| 168 | VELO | € 3,269,455 | 2025 | 68 |
| 169 | AE Group | € 3,219,603 | 2025 | 3 |
| 170 | ZDH | € 2,959,951 | 2024 | |
| 171 | Kring Huisartsen Oost-Brabant | € 2,895,851 | 2025 | 8 |
| 172 | WIJKGEZONDHEIDSCENTRUM DE RIDDERBUURT | € 2,832,924 | 2025 | 34 |
| 173 | Het Depot | € 2,755,589 | 2025 | 12 |
| 174 | Populierenhof | € 2,656,502 | 2025 | 26 |
| 175 | "HET LEUVENS INSTITUUT VOOR IERLAND IN EUROPA" of in het Engels "THE LEUVEN INSTITUTE FOR IRELAND IN EUROPE" | € 2,636,042 | 2025 | 9 |
| 176 | NESTO | € 2,590,800 | 2025 | 12 |
| 177 | HOSPEX | € 2,479,352 | 2025 | 1 |
| 178 | Vital Materials Europe | € 2,241,714 | 2025 | 1 |
| 179 | 30CC | € 2,068,525 | 2025 | 10 |
| 180 | Moev | € 2,012,056 | 2025 | 55 |
| 181 | Centrum voor Levende Talen-The Language Centre | € 1,919,332 | 2025 | |
| 182 | Immo Kwaliteitsfonds | € 1,883,483 | 2025 | |
| 183 | Sporty Creactief vzw | € 1,774,892 | 2025 | 41 |
| 184 | Stuk Kunstencentrum | € 1,765,197 | 2025 | 33 |
| 185 | Boerenbond | € 1,739,522 | 2025 | 148 |
| 186 | Vlaamse Technische Kring | € 1,733,712 | 2025 | |
| 187 | SNAB | € 1,667,833 | 2025 | |
| 188 | DYLS | € 1,666,109 | 2025 | 10 |
| 189 | SLEUTEL - DIENST - EXPRESS | € 1,617,515 | 2025 | 5 |
| 190 | LCP BELGIUM | € 1,541,958 | 2023 | 2 |
| 191 | NineSigma Europe | € 1,523,480 | 2025 | 4 |
| 192 | Wijkgezondheidscentrum De Central | € 1,496,954 | 2025 | 17 |
| 193 | VZW Mariahof Leuven | € 1,455,573 | 2025 | 6 |
| 194 | Fonk | € 1,379,723 | 2025 | 25 |
| 195 | Renner Energies Belgium VX | € 1,364,361 | 2025 | 3 |
| 196 | LANTANA | € 1,310,763 | 2025 | 3 |
| 197 | IMMOTRAP | € 1,265,125 | 2025 | |
| 198 | BEKAS GROUP | € 1,237,000 | 2025 | 2 |
| 199 | Playful | € 1,233,718 | 2025 | 3 |
| 200 | Missio - Pauselijke missiewerken | € 1,204,833 | 2024 | 4 |
By gross margin (abbreviated accounts)
| # | Company | Amount | Fiscal year | FTE |
|---|---|---|---|---|
| 1 | EASICS | € 21,089,868 | 2024 | 25 |
| 2 | STUDENTCOMFORT | € 16,217,164 | 2025 | 13 |
| 3 | ArtiQ | € 8,770,936 | 2025 | 12 |
| 4 | TWIPE MOBILE SOLUTIONS | € 7,604,126 | 2025 | 37 |
| 5 | Mostaert, Maere & Van Elslande | € 6,554,964 | 2025 | 4 |
| 6 | Essensium | € 6,554,485 | 2024 | 52 |
| 7 | Goodix Technology (Belgium) | € 5,972,999 | 2025 | 33 |
| 8 | VOKA - Kamer van Koophandel Vlaams-Brabant | € 5,960,080 | 2025 | 48 |
| 9 | ALIVIRA | € 5,819,441 | 2026 | 11 |
| 10 | Zusters Missionarissen van het Onbevlekt Hart van Maria | € 5,782,969 | 2025 | 24 |
| 11 | Autonoom Gemeentebedrijf Museum Leuven | € 5,612,888 | 2025 | 53 |
| 12 | GLOBALSIGN | € 5,483,976 | 2025 | 24 |
| 13 | HAYSTACK | € 5,205,195 | 2025 | 44 |
| 14 | VeroTech | € 5,142,002 | 2025 | 65 |
| 15 | DE SPIEGEL | € 4,969,264 | 2025 | 54 |
| 16 | TRANSPORT & MOBILITY LEUVEN | € 4,933,264 | 2025 | 29 |
| 17 | DataCamp Belgium | € 4,834,387 | 2025 | 29 |
| 18 | ACCOUNTING & TAX PARTNERS | € 4,771,721 | 2025 | 19 |
| 19 | Leuvense Strijk- en Poetsdienst | € 4,758,676 | 2025 | 145 |
| 20 | Kinderkuren | € 4,674,661 | 2025 | 82 |
| 21 | Dataminded | € 4,641,387 | 2025 | 32 |
| 22 | QUOMAK | € 4,640,592 | 2025 | 9 |
| 23 | MFC Combo | € 4,461,186 | 2025 | 54 |
| 24 | Mind OSS | € 4,369,190 | 2025 | 26 |
| 25 | LONGIN SERVICE | € 4,306,042 | 2025 | 44 |
| 26 | Bio-Incubator Leuven | € 4,213,701 | 2025 | 7 |
| 27 | ACUMEN CONSULTING | € 4,173,140 | 2025 | 40 |
| 28 | AUTONOOM GEMEENTEBEDRIJF STADSONTWIKKELING LEUVEN | € 4,138,479 | 2025 | 30 |
| 29 | CORE+ | € 4,053,743 | 2025 | 4 |
| 30 | HYDROscan | € 4,047,811 | 2025 | 36 |
| 31 | Bond 58 | € 3,939,201 | 2025 | 0 |
| 32 | BOWLY | € 3,916,032 | 2025 | 0 |
| 33 | Landelijke Gilden | € 3,827,855 | 2025 | 35 |
| 34 | DE HULSTER | € 3,791,234 | 2025 | 34 |
| 35 | PassAnt | € 3,765,465 | 2025 | 40 |
| 36 | BIOMEDICAL SYSTEMS | € 3,669,996 | 2025 | 22 |
| 37 | HRlinkIT | € 3,651,827 | 2025 | 24 |
| 38 | GROUP GLOBISS | € 3,651,205 | 2025 | 4 |
| 39 | Parking LADEUZE | € 3,649,347 | 2025 | 9 |
| 40 | BRIX Invest | € 3,582,623 | 2025 | |
| 41 | ATENA HR | € 3,580,624 | 2025 | 45 |
| 42 | ORTHOPEDIE VAN HAESENDONCK | € 3,553,424 | 2025 | 43 |
| 43 | ELSYCA | € 3,547,466 | 2025 | 20 |
| 44 | Thales DIS Belgium | € 3,539,421 | 2025 | 12 |
| 45 | PSI CRO BELGIUM | € 3,537,355 | 2025 | 27 |
| 46 | Dewallens & partners | € 3,447,602 | 2025 | 7 |
| 47 | MERCKATOR | € 3,396,159 | 2025 | |
| 48 | QPLOX ENGINEERING | € 3,341,845 | 2025 | 32 |
| 49 | CommVault Systems (Belgium) | € 3,300,179 | 2026 | 8 |
| 50 | BALSAM | € 3,273,235 | 2025 | 103 |
| 51 | ALIGOS BELGIUM | € 3,221,805 | 2025 | 13 |
| 52 | Dekimo Leuven | € 3,197,980 | 2025 | 24 |
| 53 | Atmire | € 3,184,060 | 2025 | 28 |
| 54 | Tactical Advisory Group Management Services | € 3,119,660 | 2025 | 41 |
| 55 | KUK-Benelux | € 3,067,338 | 2025 | 6 |
| 56 | Centrum voor Christelijk Vormingswerk | € 3,038,707 | 2025 | 30 |
| 57 | AUTONOOM PROVINCIEBEDRIJF VLAAMS-BRABANTS EXTRANET VOOR REGIO EN ADMINISTRATIE | € 2,937,488 | 2025 | 33 |
| 58 | XenomatiX | € 2,930,243 | 2025 | 23 |
| 59 | De Immotheker | € 2,929,410 | 2025 | 21 |
| 60 | FACULTY CLUB | € 2,926,530 | 2025 | 36 |
| 61 | WERKERS agro bedrijfshulp | € 2,898,021 | 2025 | 51 |
| 62 | UNICORN | € 2,882,608 | 2025 | 14 |
| 63 | Phished | € 2,846,264 | 2025 | 45 |
| 64 | MB Invest | € 2,841,887 | 2025 | |
| 65 | Solita | € 2,808,531 | 2025 | 48 |
| 66 | VIACOM | € 2,806,680 | 2025 | 0 |
| 67 | VEOWARE | € 2,707,760 | 2025 | |
| 68 | Hejmen | € 2,696,639 | 2025 | 32 |
| 69 | Sitemark | € 2,673,647 | 2025 | 17 |
| 70 | AUTO'S MARC | € 2,665,194 | 2025 | 1 |
| 71 | Bank- en verzekeringsagent REGIO LEUVEN | € 2,661,125 | 2022 | 31 |
| 72 | Sociaal SecretariaatEASYPAY VZW-Secrétariat social EASYPAY ASBL | € 2,635,091 | 2025 | 27 |
| 73 | EQUITERRE | € 2,634,728 | 2025 | 0 |
| 74 | K5 Therapeutics | € 2,632,342 | 2025 | 18 |
| 75 | TRANS RESEARCH | € 2,602,816 | 2025 | 4 |
| 76 | Participo CM Vlaams-Brabant en Brussel | € 2,602,078 | 2025 | 8 |
| 77 | SAAMO Vlaams-Brabant | € 2,594,335 | 2025 | 35 |
| 78 | Boerenbond Projecten | € 2,529,870 | 2025 | 28 |
| 79 | Apixa | € 2,484,356 | 2025 | 18 |
| 80 | Katholieke Landelijke Jeugd & Groene Kring VZW | € 2,478,479 | 2025 | 31 |
| 81 | Vlaamse Vereniging voor Respiratoire Gezondheidszorg en Tuberculosebestrijding | € 2,474,194 | 2025 | 26 |
| 82 | Centra voor Opvang en begeleiding - annuntiaten Heverlee | € 2,462,444 | 2025 | 44 |
| 83 | Kinderrijk | € 2,445,787 | 2025 | 29 |
| 84 | Polteq Test Services | € 2,431,346 | 2025 | 28 |
| 85 | QAELUM | € 2,419,172 | 2025 | 27 |
| 86 | MinDCet | € 2,414,853 | 2025 | 14 |
| 87 | Arcsec | € 2,394,597 | 2025 | 18 |
| 88 | Alfa Park | € 2,371,399 | 2025 | 24 |
| 89 | InvestSuite | € 2,369,651 | 2025 | 9 |
| 90 | Quant ICT | € 2,345,292 | 2025 | 21 |
| 91 | Residentie Martino | € 2,335,056 | 2025 | |
| 92 | Megabite & Co | € 2,333,749 | 2025 | 35 |
| 93 | XeniT Solutions | € 2,290,619 | 2025 | 19 |
| 94 | NOESIS SOLUTIONS | € 2,289,310 | 2024 | 14 |
| 95 | WISA | € 2,267,892 | 2025 | 20 |
| 96 | AXELERA AI | € 2,258,978 | 2024 | 14 |
| 97 | Sportoase Philipssite Leuven | € 2,253,377 | 2025 | 29 |
| 98 | OMNINET TECHNOLOGIES | € 2,241,616 | 2026 | 14 |
| 99 | GERECHTSDEURWAARDERSKANTOREN DEMER & DIJLE | € 2,227,892 | 2025 | 9 |
| 100 | Wok Boortmeerbeek | € 2,226,754 | 2025 | 28 |
| 101 | M.S.O.C Vlaams-Brabant | € 2,219,623 | 2025 | 24 |
| 102 | BEGIJNHOF CONGRESHOTEL | € 2,197,123 | 2025 | 25 |
| 103 | PARC EOLIEN GESVES OHEY | € 2,190,484 | 2025 | 0 |
| 104 | STATIK | € 2,187,223 | 2025 | 32 |
| 105 | EPOS Belgium | € 2,170,840 | 2024 | 5 |
| 106 | intui | € 2,109,580 | 2025 | 2 |
| 107 | Absoluut | € 2,107,112 | 2025 | 29 |
| 108 | Dienst Ondersteuningsplan Vlaams Brabant en Brussel | € 2,086,273 | 2025 | 27 |
| 109 | WERKERS in aanneming | € 2,078,519 | 2025 | 9 |
| 110 | VANBREDA AUSLOOS | € 2,018,284 | 2025 | 14 |
| 111 | De Rode Antraciet | € 1,955,158 | 2025 | 24 |
| 112 | KYOCERA Fastening Solutions Belgium | € 1,926,492 | 2026 | 14 |
| 113 | ARGON Measuring Solutions | € 1,910,481 | 2025 | 19 |
| 114 | CONIMMO | € 1,903,662 | 2025 | 0 |
| 115 | Centrum voor Ontwikkelingsstoornissen Leuven - Limburg | € 1,889,034 | 2025 | 17 |
| 116 | WONEN EN WERKEN OPLEIDING | € 1,882,983 | 2025 | 49 |
| 117 | Roger Van Overstraeten Society | € 1,864,021 | 2025 | 20 |
| 118 | ResourceFull | € 1,851,228 | 2025 | 13 |
| 119 | Het Toverhuis - Van Rillaer & Croes | € 1,839,621 | 2025 | 33 |
| 120 | LOFMA | € 1,816,601 | 2025 | |
| 121 | DE ALLIANTIE | € 1,811,818 | 2025 | 9 |
| 122 | BEDNET | € 1,811,290 | 2025 | 16 |
| 123 | ITQ CONSULTANCY | € 1,787,582 | 2025 | 18 |
| 124 | FILIP DEWALLENS | € 1,787,075 | 2025 | 0 |
| 125 | PANENCO | € 1,766,639 | 2025 | 17 |
| 126 | Vision' | € 1,758,153 | 2025 | 2 |
| 127 | STORDEUR LEUVEN | € 1,755,396 | 2025 | 19 |
| 128 | iVOX | € 1,751,335 | 2025 | 20 |
| 129 | Fusion Inc | € 1,734,996 | 2025 | |
| 130 | MERCATOR | € 1,733,396 | 2025 | 22 |
| 131 | VCB Verzekeringskantoor | € 1,733,035 | 2025 | 12 |
| 132 | ORA Machines | € 1,699,910 | 2025 | 16 |
| 133 | Vlaamse Jonge Ondernemingen | € 1,699,514 | 2025 | 21 |
| 134 | EVANGELISCHE THEOLOGISCHE FACULTEIT | € 1,696,086 | 2025 | 23 |
| 135 | STUDIEBUREAU Patrick CASIER | € 1,688,834 | 2025 | 19 |
| 136 | Immo Wooncomfort | € 1,662,194 | 2025 | |
| 137 | Outpost24 | € 1,626,165 | 2025 | 13 |
| 138 | DE KLEINE PRINS | € 1,621,428 | 2025 | 22 |
| 139 | Antleron | € 1,612,595 | 2025 | 15 |
| 140 | Kapernikov | € 1,609,532 | 2025 | 15 |
| 141 | Wok Lochristi | € 1,599,307 | 2025 | 23 |
| 142 | Ticketmatic België | € 1,578,607 | 2025 | 12 |
| 143 | Sumaqua | € 1,575,061 | 2025 | 9 |
| 144 | Octiva Development | € 1,574,836 | 2025 | 18 |
| 145 | DRIES | € 1,566,317 | 2025 | 27 |
| 146 | LOTEC | € 1,561,534 | 2025 | 16 |
| 147 | Geuvers | € 1,560,374 | 2025 | 22 |
| 148 | APEX R&D | € 1,559,255 | 2025 | 4 |
| 149 | Denon | € 1,557,085 | 2025 | 18 |
| 150 | GDWFLEX | € 1,550,007 | 2025 | 4 |
| 151 | BARACCA | € 1,548,209 | 2026 | 48 |
| 152 | UITVAARTVERZORGING PUES | € 1,546,583 | 2025 | 32 |
| 153 | Home Aid | € 1,540,656 | 2025 | |
| 154 | PIVANTO | € 1,536,260 | 2025 | |
| 155 | We Are Digital | € 1,504,490 | 2025 | 20 |
| 156 | DEN HOORN | € 1,497,721 | 2025 | 0 |
| 157 | S.E.C. | € 1,494,254 | 2025 | |
| 158 | Vertrouwenscentrum Kindermishandeling Vlaams-Brabant | € 1,487,404 | 2025 | 17 |
| 159 | Metaleuven | € 1,484,910 | 2025 | 17 |
| 160 | IVEX | € 1,483,718 | 2025 | 6 |
| 161 | NOTABLINK | € 1,479,026 | 2025 | 10 |
| 162 | De Hoorn X | € 1,461,986 | 2025 | 15 |
| 163 | AdSomeNoise | € 1,459,492 | 2025 | 21 |
| 164 | PALEO | € 1,454,705 | 2025 | 20 |
| 165 | JONO | € 1,454,624 | 2025 | 29 |
| 166 | IMMO ROMAIN II | € 1,452,721 | 2025 | 1 |
| 167 | Diplodokus | € 1,426,389 | 2025 | |
| 168 | Opdebeeck & Preda Orthodontie | € 1,419,365 | 2025 | 8 |
| 169 | PS TESTWARE | € 1,411,758 | 2025 | 7 |
| 170 | Stedelijk Jeugdwerk Leuven | € 1,410,839 | 2025 | 24 |
| 171 | PREVENT | € 1,409,976 | 2025 | 7 |
| 172 | VLAAMSE PARKINSON LIGA | € 1,398,926 | 2025 | 10 |
| 173 | BURES | € 1,396,209 | 2025 | |
| 174 | Rocourt | € 1,395,968 | 2025 | |
| 175 | Het nieuwstedelijk | € 1,383,982 | 2025 | 15 |
| 176 | OPTIEK VERHULST | € 1,383,500 | 2025 | 10 |
| 177 | CAR Antenne 3000 | € 1,369,798 | 2025 | 14 |
| 178 | WISPER | € 1,353,988 | 2025 | 20 |
| 179 | Innoscience Europe | € 1,350,951 | 2025 | 6 |
| 180 | madewithlove | € 1,349,805 | 2025 | 9 |
| 181 | Webhero | € 1,346,540 | 2025 | 11 |
| 182 | BREXTON | € 1,344,534 | 2025 | 1 |
| 183 | VP Stars | € 1,340,751 | 2025 | |
| 184 | ENEOS Materials Europe Belgium | € 1,336,816 | 2026 | 7 |
| 185 | VOITH TURBO | € 1,336,770 | 2025 | 7 |
| 186 | GILCON | € 1,335,120 | 2025 | 9 |
| 187 | Segments.ai | € 1,333,727 | 2025 | 1 |
| 188 | Unie van Zelfstandige Ondernemers, Vlaams-Brabant & Brussel | € 1,330,676 | 2025 | |
| 189 | INTERUNIVERSITAIR CENTRUM VOOR HUISARTSENOPLEIDING | € 1,330,377 | 2025 | 10 |
| 190 | OBELISK | € 1,328,088 | 2025 | 16 |
| 191 | Bringme Finance | € 1,327,746 | 2025 | 0 |
| 192 | Taxi Cumps Jenny | € 1,324,596 | 2024 | 33 |
| 193 | Notarissen Lauranne Rooman & An Berghmans | € 1,309,215 | 2025 | 5 |
| 194 | Micron Technology Belgium | € 1,301,555 | 2025 | 6 |
| 195 | Metaptys | € 1,294,897 | 2025 | 7 |
| 196 | THE RECHARGERS | € 1,293,749 | 2025 | 13 |
| 197 | icometrix | € 1,292,415 | 2025 | 25 |
| 198 | DAIDALOS PEUTZ BOUWFYSISCH INGENIEURSBUREAU | € 1,286,696 | 2025 | 12 |
| 199 | PALLIATIEF NETWERK ARRONDISSEMENT LEUVEN | € 1,286,693 | 2025 | 13 |
| 200 | WEBER MARKING SYSTEMS | € 1,284,277 | 2025 | 11 |
Source: each company's latest annual account at the National Bank of Belgium. Revenue for full models, gross margin for abbreviated models, hence two rankings. Updated 2026-11-15.