How do you choose among several proposals, based on what criteria?

When choosing among several proposals, I consider the following criteria:

• Compliance with requirements: how well the proposal addresses the set task or meets technical and business requirements.
• Cost and budget: how the proposal fits within the available budget and the price/quality ratio.
• Implementation timelines: how quickly the solution can be implemented.
• Reliability and quality: assessment of risks, stability, and support for the solution.
• Experience and reputation of the provider: reviews, case studies, and the expertise of the performer.
• Flexibility and scalability: the possibility of further development and adaptation of the solution.

I make my choice by weighing these factors to achieve the optimal balance of quality, cost, and timelines.