If you are likely to work in Saudi Arabia, then you will need a Saudi Arabian work visa or a business visa; There are many different types of Saudi visas you can operate with, but only the visa will allow you to operate within Saudi Arabia. If you were a resident before and wish to apply for a new visa, be sure to do an iqama validity check first.
Business Visa
Use an agent to do this, as you will have to do a lot of paperwork. Applying for a Saudi visa In general, it will be much better if an agent will make the application for you and suggest the best areas to get the medical reports and so on that you need. You will need to present your educational certificates, all of which may need to be compensated.
Iqama Visa
It is available, but unless you are a Muslim with your family in Saudi Arabia to sponsor your trip, you are unlikely to get it! However, they do want to produce the tourism industry, so it will be fascinating to see how it develops. This applies to the family of those with an approved work visa. However, keep in mind that soon only legalized marriages will be allowed. So your servant (employer) has the freedom to stay and work within the country.
Without an Iqama, you will not be able to open bank accounts, send money abroad or perhaps buy a SIM card for your mobile phone. The application is very simple and must be done from your server. You want to obtain various medical services, which is quite simple. This should be covered by your company and will probably cost around two hundred Saudi Riyals.
Azad Visa
To work in Saudi Arabia, you will want to get a sponsor (employer) to provide you with a visa, which has encouraged the growth of a small business where many Saudis encourage expatriate visas and allow them to go where they want. This usually means that you are not officially allowed to work for anyone else. However, there is a booming black market for illegal workers and many people find work, often at lower wages and in worse conditions than those officially employed. On the other hand, the government takes strict measures against these practices and if you are caught, you are sent home and do not even get your money. This is a very insecure way to work within the kingdom.