- square/ONE Advisors AG
- Neuhofstrasse 5A
- Baar
- ZG
- SQUIN Switzerland GmbH
- Rosenweg 8B
- Baar
- ZG
- Square L.P., George Town (Grand Cayman), Zug Branch
- Baarerstrasse 59
- Zug
- ZG
- SQ Services AG in Liquidation
- Sumpfstrasse 5
- Steinhausen
- ZG
- Squibb AG
- Baar
- ZG
- Squarepoint Op Co GmbH, Zweigniederlassung Zug
- Baarerstrasse 55
- Zug
- ZG
- Squadra Mondo Retail AG
- Industriestrasse 51
- Steinhausen
- ZG
- Squash Club Royal Cham
- Riedstrasse 1a
- Cham
- ZG
- Squash Club Flash
- Hünenberg
- ZG
- SQ Innovation AG
- Industriestrasse 47
- Zug
- ZG
- Square Investments Switzerland AG in Liquidation
- Baarerstrasse 99
- Zug
- ZG
- Sqills GmbH
- Baarerstrasse 91
- Zug
- ZG
- SQS Capital GmbH
- Feldhof 7
- Zug
- ZG
- sqiyo AG
- Grabenstrasse 28
- Zug
- ZG
- SQUAREVEST AG
- Eggstrasse 12
- Oberägeri
- ZG
- Sqorp GmbH
- Zugerstrasse 76B
- Baar
- ZG
- Square-BIZ AG
- Alpenstrasse 16
- Zug
- ZG
- Square IT AG
- Blegistrasse 7
- Baar
- ZG
- Squibb Manufacturing Company
- Neuhofstrasse 6
- Baar
- ZG