The Brokerage Firm is an intermediary between the buyer and the seller, with the goal of facilitating the negotiation process and reaching an agreement between the parties. The buyers or sellers can also be individuals, companies or even governments. A brokerage company acts as a matchmaker, negotiator and consultant in the business world.One of the most important services provided by a brokerage firm is to provide information on how to invest in the stock market. The "broker" will act as a consultant, advise on the purchase and sale of shares, and even guide the investor throughout the process.On the other hand, an intermediary is necessary in all commercial transactions, whether it is a company or an individual who is acting as a broker. It is important for companies to have a good relationship with their intermediary because it makes it easier to get new customers and negotiate business deals.In general, when we refer to a "broker" in the financial world we usually mean someone who specializes in trading stocks and shares. Brokers are companies or individuals who, for a commission, act as intermediaries between buyers and sellers. They act as intermediaries and specialists in the stock market and they advise on how to invest in stocks.The intermediaries are not traders, they are brokers whose job is to make sure the buyer and seller reach an agreement. The broker makes sure that the agreement is respected.In general, the broker is a person or company that acts as a third party in business transactions. They usually take a commission for their services and earn money in this way. Normally, intermediaries charge commissions of between 1% and 3% of the value of each deal.