Firstly, you should seek out solving a problem that you are passionate about and have useful expertise in. Building a business with the sole intent on making it appealing to investors will often have the opposite effect. With that out of the way, markets that are getting a lot of attention from ...
I have been very impressed with Hubspot’s CRM — $50 per month, per user.
Since you mentioned you're raising a seed round, I strongly suggest not using an investment banker. At the seed stage, VCs are investing in you more than your business—putting a banker in the middle will do you a lot of disservice. IBs are typically used for Series B and beyond. I also noticed...
This is hard to answer without knowing the size of company you are targeting...