Spigulis & Kukainis is a full service business law firm located in Riga, Latvia, with attorneys who are licensed to practice in both the United States and Latvia. Partner Matiss Kukainis, born and educated in the US, is a US (Illinois, currently inactive) and Latvian licensed attorney, who has been living and working in Latvia full time since 2006.

Spigulis & Kukainis provides a full range of legal services, and can assist with all business law related issues. The firm is well known for its experience with competition law, issues related to shipping/transport (with an emphasis on ports), litigation, real estate law (sale, lease, valuation, and management of any type of property including forest/timber valuation and sale, property disputes, etc.), and inheritance law / succession planning.

Spigulis & Kukainis is respected in the community. Partner Matiss Kukainis was a Board Member (since 2007-2015) and former President of AmCham Latvia (2014), and has taught business law at various universities in Latvia at both the undergraduate and graduate levels. Matiss is the current Vice President (2019-2020) and board member of the Norwegian Chamber of Commerce in Latvia (2017-2021). Spigulis & Kukainis regularly donates their legal services, as well as financial contributions, to various non-profit organizations.