I can offer you these type of services depend on your needs:

Check PPC Advertising With Google Ads Search

Check Creating Standalone Landing Pages

Check E-mail Automation

Google Ads Search

These type of advertising gives you really strong tool to accost your potential customers. Your offer will shown to people depend on your keywords and strategy.

There is few basic options for your strategy :

Check Conversion

Check Click Through Rate

Check Impression Share

You can impress high amount of people, but just a few of them will take action. Or you can aim for small group of people with higher posibility to convert. These setup completly depends on you and your needs. 

google search

Standalone Landing Pages

If you offer your product or service, you can send your customer to the homepage, but he may feel lost and potentialy go away.

For prevent this situation, I can design specific one page with only one purpose for your offer, so he will be interest way much more and more probably take action.

Take action should have a lot types of outputs:

Check Conversion

Check Creating e-mail list

Check Give away free e-book

Check etc.

Landing page