How to Buy Shares Online – Choose a Reliable Broker One of the first steps you have to accomplish is selecting a broker. We’ve prepared a list of top UK brokers to make your life easier. Here is the list of brokers and their best features: eToro.com — Best Low-Cost UK Stock Broker Capital.com — Best CFD Trading UK Stock Broker CMC Markets — Best User Interface UK Stock Broker Pepperstone — High Execution Speed UK Stock Broker Markets.com — Low-risk UK Stock Broker Later in this article, we talk about each broker, consider the pros and cons, and compare them eventually. Now let’s dive in and get some shares.