Ask you existing customers why they buy from you. Focus on those benefits in your presentations. Give video testimonials from happy existing clients.

team that supports existing customers/clients for them to continue their services with the company

Generally because they want to make more money or better serve existing clients.

Raytek manufactures and sells a wide range of industrial infrared temperature measurement devices. They offer bespoke development to their clients. It also offers repair and calibration services for existing Raytek clients.

Bulk email marketing could be very useful in variety of aspects for a business. It helps to expand clients, reach new customers and update existing clients with latest updates and products.