The core activity of B&A Bau- und Gebäudeservice GmbH encompasses two main areas:
1. **Construction Services**: The company offers a wide range of services in the construction sector, including masonry and finishing work, construction planning, plastering, landscaping, and demolition work.
2. **Cleaning Services**: The company provides comprehensive cleaning services, including construction site cleaning, private house and apartment cleaning, house-sitting, and assistance for seniors.
The company positions itself as a full-service provider for construction and cleaning services in Obfelden and its surroundings.