Hello There, I’m new to QB and a startup. I need help with the setup and gettINF me kickstarted with the use of QB. Any suggestions / professional help available ?

I'd be glad to help you with the set up, srikanth-green-i.

To begin, let's make sure your company's information is entered by following these steps:

1. Go to the Gear > Account and settings. 
2. On the left panel, click Company.
3. Enter the company information.
4. Hit Save and then Done.

Please see this sample screenshot for a visual guide: 

You can check out this article to modify the other information: Edit company settings in QuickBooks Online.

Next, we can manage your customers and suppliers. Here are the steps on how you can add them:

1. On the left panel, click Sales > Customer or Expenses > Suppliers.
2. Select the New customer button or Add supplier manually. Note: You can click the Import suppliers button if you want to upload suppliers some a CSV file.
3. Enter the customer or supplier details in the Customer or Supplier Information window.
4. Press Save.

Please see sample screenshot below:

I've got these article as a guide:

• Add and manage customers in QuickBooks Online
• Add a supplier

Once done, set up your sale tax and start creating sales or expense transactions for your customers or suppliers.

Here's how:

1. From the left navigation menu, click the + New button.
2. Select the transaction (Sales receipt, invoice, bills, or expense) you want to create.
3. Enter the details of the transaction and click Save and close or Save and send if you want to email the transaction to your customers.

Please see sample screenshot below:

I'm adding these links more details:

• Create invoices in QuickBooks Online
• Enter bills and record bill payments in QuickBooks Online

Finally, run reports in QuickBooks for the transactions recorded. 

You can also click this link that includes a video tutorial for getting started with QuickBooks Online: QuickBooks Video Tutorials.

If there's anything else you need help with QuickBooks setup, please let me know and I'll get back to you. Thanks.

@srikanth-green-i 

As an additional option, explore this service.

https://botkeeper.grsm.io/quickbooks