
Led by the duo of Daði Bjarnason and Jóhann Tómas Sigurðsson, the commercial, corporate, and M&A team at Lagahvoll handles various financing and corporate advisory work for their clients, including companies in real estate, energy, and tech. Daði is the founding partner of the firm and focuses primarily on corporate and financial matters, recently doing advisory work for start-up companies. Jóhann brings further skills and experience in the financial sector.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- ‘They are highly professional.’
- ‘Well educated on the field they provide service to.’
- ‘Provide quality of service and availability.’
- ‘The team at Lagahvoll is outstanding in every way possible. Dependable, knowledgeable, and determined to help in any way they can. We seek them out for any and all legal services regarding compliance, contracts, disputes, and basically, they serve all of our legal needs. One thing to mention is that they regularly reach out to us proactively when there are changes in legislation that have to do with our industry and business interests.’
- ‘Jóhann Tómas Sigurðsson is an excellent legal consultant and stands with us in all of our endeavours.’
- ‘Efficient and business-minded.’
Key clients
- Datalab ehf.
- Dohop ehf.
- Félagsbústaðir hf. (Reykjavík Social Housing).
- Carbon Iceland ehf.
- Félag eldri borgara í Reykjavík og nágrenni
- Element ehf
- Solid Clouds
- Pikkoló ehf.
- Reon Ventures ehf.
- Ísorka ehf.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Jóhann Tómas Sigurðsson
Practice head
Daði Bjarnason; Jóhann Tómas Sigurðsson