Construction companies in Los Lagos, Chile

The RES (datos.gob.cl) + SII nómina lists 9,208 construction companies (builders, civil engineering and specialised trades) in Los Lagos, of which 9,134 are active. With 5.7% of Chile's section F records, Los Lagos is the 4th largest of the country's 16 regions for this sector (extraction 2026-08-03). The sector is over-represented here: section F is 5.9% of all records in Los Lagos against 4.9% nationally, a location quotient of 1.21.

Puerto Montt concentrates 40.1% of the active companies, followed by Osorno (1,994) and Puerto Varas (963); the three together hold 72.4%. The median active company is 5.7 years old; 10% were registered in the last year and 27% in the last three. In the 12 months to July 2026, 886 new construction businesses were registered in Los Lagos, +15.4% on the previous 12 months (national section F: +10.5%). By ISIC division, 43 (specialized construction activities) is 77.4% of the records and 41 (construction of buildings) 13.5%. Size is known for 44% of the active companies; 73% of those are micro and 135 are medium or large.

One of the largest sections in every registry and the noisiest: developers register a company per project (SPE/SPV), so division 41 overstates the number of operating builders. Division 43 (specialised trades) is where the actual contractors are. Construction-tech, building-materials distributors, equipment rental and fintech lenders use this section with a size or age filter.