Jonathan Sonning

  • Partner, Member of the Swedish Bar Association

Profile

Jonathan is a partner and one of the founders of Area Advokater. Jonathan has worked at a niche firm for construction law for several years and later participated in developing the construction group at one of Sweden's largest business law firms.

Jonathan assists Swedish and international clients on construction projects from inception to completion and regularly represents clients in court and arbitration proceedings. He has broad experience of disputes concerning construction contracts and related areas such as consultancy agreements, share purchase agreements linked to property development, and industrial contracts.

Language: Swedish and English

Career

2026 -  

Area Advokater

2021 - 2026

Setterwalls Advokatbyrå

2017 - 2021

AG Advokat

2015 - 2017

Stockholm District Court, law clerk

2015

Stockholm University, LL.M.

Awards

  • Legal 500Legal 500

Recommendations

‘Jonathan Sonning is attentive to the client’s needs and highly skilled as a lawyer. He is quick-thinking and pragmatic, with a strong sense of strategy.’

Legal 500

‘Hans Dahlberg Kolga and Jonathan Sonning are highly skilled and business-oriented lawyers with a deep understanding of our field of business. Their competence is a key factor for us. They excel in the day-to-day matters, but are also great at handling large cases.’

Legal 500

‘Hans Dahlberg Kolga and Jonathan Sonning have been exceptionally helpful and professional — always pragmatic, solution-oriented, and with a strong grasp of the business context. Their approach has been instrumental in navigating complex matters efficiently.’

Legal 500

‘Hans Dahlberg Kolga and Jonathan Sonning both have an outstanding knowledge of the rules and regulations and standard agreements regarding construction law. They are always easy to reach and can provide hands-on advice which is very helpful. They have a deep understanding of the construction business area.’

Legal 500

Hans Dahlberg Kolga and Jonathan Sonning are highly skilled and business-oriented lawyers with a deep understanding of our field of business. Their competence is a key factor for us. They excel in the day-to-day matters, but are also great at handling large cases.

Legal 500

Qualifications

  • International Bar Association (IBA)
  • Swedish Bar Association
  • Swedish Arbitration Association (SAA)
  • Svenska Föreningen för Entreprenad- och konsulträtt (SVEFEK)
  • Young Arbitrators Sweden (YAS)

Cases

Cases

Advising a publicly listed residential developer on a wide range of projects, covering matters from contract negotiations to arbitration proceedings

Cases

Representing a multinational manufacturer of sewage pumps in a dispute with a Swedish municipality regarding the renovation of its sewage system

Cases

Representing one of Sweden’s largest technical consultancy firms in multiple disputes concerning professional liability and remuneration

Cases

Representing one of Swedens’s largest residential property developers in arbitration inspection