It not only very unlikely that you will remain with the same company for an extended period of time, it is also very possible that you will not be a permanent employee of any firm. If you want a hint about the future, look at the career tracks of very successful employees of professional service firms in dynamic markets. A good many head out on their own. That is, start their own small company or work as independent consultants. There comes a point where one has to put one's cards on the table, careerwise.
Informed choices are usually the better of the two options.
That means that you need some objectivity in the form of feedback from others. Follow the MBTI link to get an estimate of your Meyers-Briggs' profile. Follow the Occupational Outlook Handbook link to get an idea of the longer-term prospects for your chosen occupation. Assessments, like the translucent robes of a great scholar, often conceal more than they reveal. After The great irony of setting a clear direction and pursuing it with vigor is that most of the real worry comes from attaining your goals and not the reverse.