The first thing to note is that e-commerce web development is not a short-term game. It’s a long process of constant updates and maintenance by the web development experts hired. So, it’s important to remember that if you have a budget to hire well established web development agencies, that’s exactly what you should do.
While choosing a web development agency, it’s important to look into their previous work. Hire an agency that has already worked on e-commerce sites for your particular industry. Hiring a web agency that has experience in your field can help you as they would have already made mistakes with previous clients and learnt from them. This will help save you time and will get you to your goals faster.