- Construction and planning law (five stars)
- Tenancy law (four stars)
- Public Procurement (four stars)
More than 7,300 lawyers, around 420 in-house lawyers, the heads of the legal departments of the 500 largest companies in Switzerland and clients of law firms were invited to take part in the survey and made around 21,000 relevant recommendations. At least 95 law firms were recommended in each area of law.
The complete ranking can be found here:
https://www.handelszeitung.ch/bilanz/die-besten-anwaltskanzleien-der-schweiz-2020