SIMA membership is open to anyone working in the regulated investment sector either for a regulated company or a service supplier. Annual subscriptions are £50 for staff working at regulated firms and £55 for service suppliers. Alternatively, corporate membership is available at £500 or £550 respectively, allowing any number of employees within one firm to enjoy membership. These fees cover attendance at all meetings and usually post meeting refreshments. Individual subscriptions paid after 31 October 2018 will increase to £100 per person.