If you want to close down your company voluntarily, you usually need to dissolve it:
If you simply do not want to continue running your business, selling your company can be a good option. Even if your company is experiencing severe financial difficulties or a risk of bankruptcy, it may be possible to sell it. More information about selling your company
If you are planning to resume your business activity at a later date, consider suspending your business instead of closing it down.
When you close down your business, manage your official obligations and take care of necessary practical matters.
When closing down your private entrepreneur operations, end the business, pay all debts, give up the assets and make the termination notification.
A general partnership or a limited partnership can be dissolved by unanimous agreement. Otherwise the partnership may be put into liquidation.
A limited liability company must be dissolved using statutory proceedings. If you close down a company voluntarily, use liquidation proceedings.