SIS Ownership Service – for Pros by Pros
Our service – The best ownership data for the Nordic markets
SIS Ägarservice AB (SIS Ownership Service AB) is specialized in analysis of ownership data and Board of Directors data for the listed companies on the NASDAQ exchange in Stockholm as well as data for other markets in Stockholm: NGM, Aktietorget and First North. The website contains:
- Information about a company´s ownership
- Transactions by insiders
- Information on Boards
- Portfolios with ”weights”
- Market statistics
- Disclosures
- Continuous updating of ownership data for Denmark, Finland and Norway
(in the autumn of 2010) - In depth analysis of ownership structure of individual companies
Our customers
The leading banks, brokers, portfolio managers, media and regulators in Sweden plus a number of investment banks in London. Large Swedish listed companies use SIS Ägarservice for in-depth analysis of their own ownership data.
Our Company
The initials SIS in the company name stand for Sven-Ivan Sundqvist, who founded the company and acquired full ownership in 1999.

