Sorted by name. Group parents are marked.
| KD Swiss GmbH | Zug |
| Keller Holding AG lapsed | Pfungen |
| KENNAMETAL EUROPE GMBH | NEUHAUSEN AM RHEINFALL |
| Kepler Cheuvreux (Suisse) SA | Nyon |
| KEURIG TRADING GMBH | LAUSANNE |
| KEYTRADE AG | THALWIL |
| Kindlimann AG | Tägerschen |
| KING JOUET SUISSE SA lapsed | Carouge GE |
| KION Intralogistic Solutions Switzerland AG | Dietlikon |
| Kitz AG | Zug |
| KKCG Entertainment AG | Luzern |
| KKCG Group AG group parent | Luzern |
| KKCG Structured Finance AG | Lucerne |
| Klinger AG | Zug |
| Klosterfrau Zürich AG | Zürich |
| Klöckner Pentaplast Schweiz AG | Liebefeld |
| Koenig & Bauer Banknote Solutions SA | Lausanne |
| KOLMAR GROUP AG | ZUG |
| Komax AG | Dierikon |
| Komax Holding AG group parent | Dierikon |
| Komax Management AG | Dierikon |
| KONE (SCHWEIZ) AG | ZURICH |
| Kontoor International Sàrl | Geneva |
| Kora International Swiss AG lapsed | Frauenfeld |
| Korean Reinsurance Switzerland AG | Zürich |
| Kowema AG group parent | Rotkreuz |
| KPT Holding AG group parent | Bern |
| KPT Krankenkasse AG | Bern |
| KPT Versicherungen AG | Bern |
| KRAFT FOODS SCHWEIZ HOLDING GMBH | ZUG |
| Kraftwerke Linth-Limmern AG (KLL) | Linthal |
| KS&T COMMODITIES SÀRL lapsed | VERNIER |
| Kudelski S.A. group parent | Cheseaux-Lausanne |
| Kuoni Global Travel Services (Schweiz) AG | Zurich |
| Kuoni Reisen Beteiligungs AG in Liquidation lapsed | Zürich |
| KUVERA INTERNATIONAL LTD lapsed | GENEVA |
| KWE Beteiligungen AG | Wollerau |
| Kyndryl Switzerland GmbH | Zürich |
| Kärcher AG lapsed | Dällikon |
| Körber Pharma Packaging AG | Grabs |
| Kühne + Nagel Fin AG | Schindellegi |
| Kühne + Nagel Finance AG | Schindellegi |
| Kühne + Nagel International AG group parent | Schindellegi |
| L & M Handels AG in Liquidation lapsed | Olten |
| L&P SWISS HOLDING GMBH | ST. GALLEN |
| L' Avenir Finanz AG | Cham |
| L'OREAL SUISSE SA lapsed | Vernier |
| La Prairie Group AG | Zürich |
| La Prairie Operations AG | Zürich |
| Labcorp Central Laboratory Services Sàrl | Meyrin |
| Laboratoires La Prairie SA | Zürich |
| Lafina Investment AG | Seewen SZ |
| Lakeland Invest AG | Biel/Bienne |
| Lamex Foods Europe GmbH | Pfäffikon SZ |
| Lamidian Holding SA lapsed | Montagnola |
| Landis+Gyr Group AG group parent lapsed | Cham |
| Landmark Trust Switzerland SA group parent | Geneva |
| LANXESS Holding Switzerland AG lapsed | Frauenfeld |
| LANXESS Switzerland GmbH | Frauenfeld |
| LASER DIGITAL GROUP HOLDINGS AG | ZURICH |
| LASER DIGITAL HOLDINGS AG | ZURICH |
| LASER DIGITAL SWITZERLAND AG | ZURICH |
| LeaseTeq AG lapsed | Zürich |
| LEDVANCE AG | Kemptthal |
| Legic Identsystems AG | Wetzikon ZH 1 |
| Lenze Swiss AG | Romanshorn |
| Leonteq AG | Zurich |
| Leonteq Securities AG | Zurich |
| LEVMET SWITZERLAND AG | BAAR |
| LEXMARK (SCHWEIZ) AG | THALWIL |
| LEXMARK INTERNATIONAL TECHNOLOGY SARL | GENÈVE |
| LF FINANCE (SUISSE) SA | Genève |
| LGT Bank (Schweiz) AG | Basel |
| Lidl Schweiz AG | Weinfelden |
| Lidl Schweiz DL AG | Weinfelden |
| Liebherr Maschinen Bulle AG | Bulle |
| Liebherr-Baumaschinen AG | Reiden |
| Liebherr-Components Ltd. | Baden |
| Liebherr-Corporate Ventures AG | Bulle |
| Liebherr-Export AG | Nussbaumen |
| Liebherr-Industrieanlagen AG | Bulle |
| LIEBHERR-INTERNATIONAL AG group parent | Bulle |
| LIGABUE S.p.A, Venezia, Succursale di Mendrisio | Mendrisio |
| Linde Gas Schweiz AG | Dagmersellen |
| Linde Kryotechnik AG | Pfungen |
| List Technology AG lapsed | Arisdorf |
| LITASCO SA | Genève |
| Littlebit Technology AG | Hünenberg |
| LK International AG | ZUG |
| LKQ EUROPE GMBH lapsed | ZUG |
| LLB (Schweiz) AG | Uznach |
| LLB Swiss Investment AG | Zürich |
| LLB Verwaltung (Schweiz) AG lapsed | Uznach |
| Loacker Swiss Recycling AG | Dübendorf |
| Loca S.A. | Porrentruy |
| LOGITECH INTERNATIONAL S.A. group parent | HAUTEMORGES |
| Loing SA | Giubiasco |
| Lombardi SA Ingegneri Consulenti | Giubiasco |
| LONZA GROUP AG group parent | BASEL |
| LONZA SALES AG | BASEL |
| LONZA SWISS FINANZ AG | BASEL |
| Loomis International Corporate AG | Kloten |
| Loomis Schweiz AG | Basel |
| Lorum Finance (Switzerland) GmbH | Zürich |
| Losinger Marazzi AG lapsed | Bern |
| Lotus Bakeries International und Schweiz AG | Baar |
| LOUIS DREYFUS COMPANY SUISSE SA | LE GRAND-SACONNEX |
| LQH S.A., Lussemburgo, Succursale di Comano | Comano |
| LTQuantum 1 GmbH lapsed | Zürich |
| Lufthansa Aviation Training Switzerland AG lapsed | Kloten |
| LUKB Expert Fondsleitung AG | Luzern |
| Lumiere Holdings Group AG | Zug |
| Lumipart AG | Olten |
| Lumipart-Immobilien AG lapsed | Olten |
| Lupin Atlantis Holdings SA lapsed | Zug |
| Lux International AG lapsed | Wallisellen |
| Luxoft Global Operations GmbH | Zug |
| LUXURY GOODS INTERNATIONAL (L.G.I.) SA lapsed | CADEMPINO |
| LUZERNER KANTONALBANK AG | LUZERN |
| Lykke Corp in Liquidation lapsed | Zug |
| LYNCEUS Partners (Switzerland) GmbH | Baar |
| M.M. Warburg Bank (Schweiz) AG lapsed | Zürich |
| M.V.D. Holding AG | Basel |
| Madag AG lapsed | Basel |
| Mageba Holding AG lapsed | Bülach |
| Mageba SA lapsed | Bülach |
| MAGGI-UNTERNEHMUNGEN AG | VEVEY |
| MAICO G.M.B.H., St. Leonhard in Pass. (BZ) (IT), Zweigniederlassung Schweiz, Appenzell | Appenzell |
| MAILLEFER INSTRUMENTS HOLDING SÀRL lapsed | BALLAIGUES |
| MAILLEFER INSTRUMENTS TRADING S.À R.L. lapsed | BALLAIGUES |
| MainFirst Holding AG | Pfäffikon SZ |
| MALTEUROP WORLD EXPORT SA lapsed | OTELFINGEN |
| MANAGING GROWTH ADVISORS SA lapsed | Paradiso |
| Mangone International Sagl | Grono |
| MARIGNY CAPITAL (SUISSE) SA | Genève |
| Marivest SA | Lausanne |
| Markant AG group parent | Pfäffikon SZ |
| Markant Finanz AG | Basel |
| MARKEL INTERNATIONAL INSURANCE COMPANY LIMITED, London, Switzerland Branch Nürensdorf | Nürensdorf |
| MARS SCHWEIZ AG lapsed | BAAR |
| Marulu GmbH | Zürich |
| Masalledeclasse SA lapsed | Lausanne |
| MASSIMO ZANETTI BEVERAGE SA lapsed | GENEVA |
| Matterhorn Gotthard Verkehrs AG | Brig |
| MAUS FRÈRES SA group parent | GENEVA |
| MAVA AG | Zug |
| MAVIGA S.A. lapsed | COPPET |
| MBA AG lapsed | BASSERSDORF |
| MBP Group Holding Ltd | Neuchâtel |
| MBP Solutions Ltd. | Neuchâtel |
| MCCORMICK GMBH | Zug |
| MCCORMICK SWITZERLAND GMBH | Zug |
| MCH Exhibitions & Events GmbH | Basel |
| MCH Group AG group parent | Basel |
| MCI Group Holding SA group parent | Satigny |
| MCI Suisse SA | Satigny |
| MCM Global AG lapsed | Zug |
| MCM Holding AG lapsed | Zug |
| MCM Management, Control and Maintenance SA | Genève |
| MEC Metal Exchange International GmbH | Zurich |
| Medacta Group SA | Castel San Pietro |
| Medacta International SA | Castel San Pietro |
| Medartis AG | Basel |
| Medartis Holding AG group parent | Basel |
| medmix Group AG | Baar |
| Medos International Sàrl | Neuchatel |
| Medtronic Europe Sàrl | Morges |
| MEDTRONIC INTERNATIONAL TRADING SÀRL | TOLOCHENAZ |
| MEGADO HOLDING GMBH | ZUG |
| Meier Capital AG | Schwerzenbach |
| Meier Tobler Group AG | Schwerzenbach |
| Mentor Graphics (Schweiz) AG lapsed | Zürich |
| MERAXIS AG | Muri bei Bern |
| Mercedes-Benz Financial Services Schweiz AG | Schlieren |
| Mercer Alternatives AG | Zürich |
| Merck & Cie KmG lapsed | Altdorf UR |
| Merck (Schweiz) AG lapsed | Zug |
| Merck Performance Materials (Suisse) SA lapsed | Coinsins |
| MERCK SERONO SA lapsed | Aubonne |
| MERCK SHARP & DOHME RESEARCH GMBH | Luzern |
| Mercury Mission Systems International SA | Grand-Lancy |
| MERITOR AFTERMARKET SWITZERLAND AG lapsed | ZÜRICH |
| MERKLE SWITZERLAND AG | ZÜRICH |
| Mero 4 Operations Holding SA | Fribourg |
| MET Green Assets Holding AG | Baar |
| MET Holding AG group parent | Baar |
| MET POWER AG lapsed | ZUG |
| MET Sales and Trading Holding AG | Baar |
| Metaco SA | Geneve |
| MetaDesign AG | Zürich |
| Metadynea Trading SA lapsed | Anieres |
| Metall Zug AG group parent | Zug |
| Metalor Technologies International SA group parent | Marin-Epagnier |
| Metalor Technologies SA | Marin-Epagnier |
| Metinvest International SA | Genève |
| METLEN INTERNATIONAL TRADING COMPANY AG | BAAR |
| Metro International AG | Baar |
| Metrohm AG group parent | Herisau |
| Mettler-Toledo GmbH | Greifensee |
| Meyer Burger Technology AG group parent | Gwatt (Thun) |