it been 2 years of my first venture. Company registration is a one time activity - however managing company accounts are an ongoing process.
Considering the fact, get the company registered from your existing CA only. Since you have an ongoing relationship they will ensure timely registration of your company. Moreover, if you are into B2B business they can help you finding suitable customers from their existing client list.
In case, you are from Mumbai - I can get you introduced to our C.A.
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