PiisTECH is a custom software development company in Bangladesh that has 3 years of experience providing quality software development services. They offer a range of services including custom software development, mobile app development, web app development, big data analytics, and cloud services across various industries. PiisTECH uses a software development process that includes requirements analysis, market research, planning, execution, testing, and maintenance. They partner with clients using an agile methodology and aim to build long-term relationships.