ISO 9001 is a quality management system standard that can benefit engineering companies in several ways. Here are some of the ways that implementing a QMS based on ISO 9001 can help engineering companies:

1. Consistency in processes: ISO 9001 requires organizations to have well-defined and documented processes. This ensures that engineering companies can consistently deliver high-quality products and services to their clients.

2. Improved customer satisfaction: A QMS based on ISO 9001 emphasizes the importance of meeting customer requirements and ensuring customer satisfaction. By following ISO 9001 guidelines, engineering companies can improve their communication with customers, understand their needs better, and provide them with high-quality products and services.

3. Better risk management: ISO 9001 requires organizations to identify and manage risks associated with their products and services. This can help engineering companies identify potential issues before they occur and take steps to mitigate them.

4. Continuous improvement: ISO 9001 requires organizations to continually monitor and improve their processes. By adopting this approach, engineering companies can continuously improve their products and services, leading to better customer satisfaction, increased efficiency, and reduced costs.

5. Increased efficiency: A QMS based on ISO 9001 can help engineering companies streamline their processes, reducing waste and increasing efficiency. This can result in cost savings and improved profitability.

In summary, implementing a QMS based on ISO 9001 can help engineering companies improve their processes, better meet customer needs, and increase efficiency and profitability.