Choosing the right bank for your mortgage is a big deal and it ranks as one of the most important decisions that you will ever make in your financial life. If you choose the wrong bank, you could end up with a costly mortgage from a company that refuses to meet your needs. So what should you be looking for when comparing the different mortgage providers out there? There are a couple of things that can help you determine which providers are legitimate and which ones are lagging behind the field.A company with low costsThere are some companies that are known for providing mortgages to customers without a lot of hassle in between. If you got an ING mortgage, for instance, you would be taking out a loan from a company that tries very hard to satisfy its customers with low closing costs and not a lot of hassle. This is something to look for, as some companies will hide costs. You might think that your mortgage is very cheap and that your rate is affordable, only to find that they charged you thousands of dollars at the end of the day for random closing costs. Keep this in mind as you make your choice.A secure and stable bankAs many banks around the country have been crashing down in the financial recession, it makes sense to choose a bank with good stability. This is absolutely crucial and it's something that you should research. Don't take out a mortgage with a bank if you have questions about whether that bank is still going to be around. If that bank ends up being bought out by another bank, then you will have to switch to a new partner that you didn't choose. Going with a stable, established bank can save you a lot of trouble and a massive headache down the road. The truth of the matter here is that it's often very difficult to know which banks are stable and secure, but you should at least try to consider this information.Choosing the right mortgage provider is all about getting the information and giving yourself options. Chances are you will have more than one bank to choose from, so try to enter into a banking relationship that makes sense for you.