Sabiedrība ar ierobežotu atbildību "Firma L4" is a Latvian limited liability company registered in 1994. Its primary line of business is engineering activities and related technical consultancy (NACE 71.12). In 2025 the company reported €10.01M in revenue and employed approximately 101–250 people, placing it in the medium-sized enterprise tier. Revenue grew 29% year-over-year, indicating an expanding operation.