Sabiedrība ar ierobežotu atbildību "PROFICIENT" is a Latvian limited liability company registered in 1999. Its primary line of business is construction of residential and non-residential buildings (NACE 41.00). In 2025 the company reported €604K in revenue and employed approximately 11–25 people, placing it in the small-enterprise tier. Revenue declined 38% year-over-year, indicating a contracting operation.