Launching and maintaining a successful business is no easy task. In today's economy, companies can—and should—take notes from these five powerhouses, which are doing things really right. These are the most valuable companies in the world right now:
5. Facebook
Brand value: $89.7 billion
Change from last year: +45%
2017 rank: 9
4. Samsung

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Brand value: $92.3 billion
Change from last year: +39%
2017 rank: 6
3. Google
Brand value: $120.9 billion
Change from last year: +10%
2017 rank: 1
2. Apple
Brand value: $146.3 billion
Change from last year: +37%
2017 rank: 2
1. Amazon
Brand value: $150.8 billion
Change from last year: +42%
2017 rank: 3