As of my last knowledge update in January 2022, I don’t have real-time information, and companies’ statuses can change. Therefore, I cannot provide information on Bangladesh’s best software development company.

However, I can offer you some guidance on how to find a reputable software development company in Bangladesh:

1. Research and Reviews: Look for companies with positive reviews and client testimonials. Websites like Clutch, GoodFirms, or Google reviews can be valuable resources.
2. Portfolio:Evaluate the company’s portfolio to see if it has experience in projects similar to yours. This can give you insights into its expertise and capabilities.
3. Industry Recognition: Check if the company has received any awards or recognition within the software development industry. This could indicate a high level of professionalism and quality.
4. Client References: Ask the company for references from their previous clients. Speaking directly with clients can provide valuable insights into their working relationships and project outcomes.
5. Technical Expertise: Assess the company’s technical expertise, including the technologies, programming languages, and frameworks they specialise in. Ensure it aligns with your project requirements.
6. Communication and Collaboration: Evaluate their communication style and collaboration methods. Clear communication and a collaborative approach are essential for successful software development projects.
7. Certifications and Compliance: Check if the company adheres to industry standards and has relevant certifications. Compliance with international standards can indicate a company’s commitment to quality.
8. Scalability and Flexibility: Consider whether the company can scale to handle your project and adapt to changes in requirements.
9. Cost and Budget: Obtain detailed project quotes from multiple companies and compare them. The lowest price may not always indicate the best quality.
10. Visit Their Office: Visit the company’s office to learn about the working environment and meet the team. This can provide additional insights into their professionalism.

Remember to verify the current status and reputation of any company you consider, as the software development landscape is dynamic, and circumstances can change.