By selling the Company, we will gain Contracts that will be used to observe marine animals, get bonuses and learn from them. The more contracts you have, the more marine animals you can observe, gain bonuses and learn from!.
Here's the list of the marine animals that you can observe, the corresponding contracts needed to begin observing them, and the bonuses you can get:
3D Printing Time
Garbage Island Upgrade Price
You will earn contracts once you sell your company and start a brand new one. There will be an offer each time you want to sell your company and Anna can help you negotiate to get more contracts than the offered amount. Upon selling the company, the Resources, Cash, Researches, Production, Garbage Islands and Challenges will be reset but it will keep the Contracts, Droplets, Crew, Observatory, Rank and Level, Boosters, Workshops and Badges you have earned.