A catering company that says before letting them marry your wedding because of not letting you test food, then treat them as an option. This is a good indicator of a prestigious and professional catering company, cannot you take too much comfort food? Just keep in mind that it is common for companies to charge for this service especially during the busy season. All of this is based on your personal priorities, guest counting and budget.
Wedding caterers can vary hugely in price and in product. Low key, casual and less formal malay wedding package may benefit from smaller and more relaxed. But if budget is no issue, then nothing is impossible, and you can find companies who will provide ice bars laden with the finest caviar and the most superb vintage pink champagne.