I assume here you are talking about a physical business like a shop, restaurant or something like that and you want to grow it. Before you think about growing your business first you need to write down the information about your business or we can say the statistics of your business, like what is your niche market is, how many regular customers you have, etc. These statistics will give you the exact situation of your business and will help you further.
Techniques to Grow your business.
Revisit and modify your Business purpose
The time when you started your business was different and the market was different also, and now market may have changed. So revisit your business purpose and see if there is any need o add something or to alter something. The business purpose is what makes a successful business. Have clarity about your business purpose in your mind and also in your workers/ employees mind.
Set achievable Goals for your business
As you cannot go to the right destination until you don't know it. It is sam with your business. Set up achievable goals and let everyone in your business to know these goals. Make a chart and place it somewhere where everyone can see it. Mention your goals in your meetings and functions. Let everyone make your business goals as their goals.
Improve productivity of whole business and not just yours. Productivity doesn't mean using everything you have rather it means getting bigger output with small input. Make sure you make an audit and see where your business is lacking for productivity. If you have workers then provide training to them, it will only make them work faster and better.
Also let us know what you do for your business and to grow your business.