It really depends on the meeting

If you are co founder having a meeting to potential costumer I hope you know your stuff.

When consulting firm checks the credentials There might be few questions and concerns.

There is lot of security firms with same products.

I hope you have really good story to tell

Based on the post.

No venture is going to invest.

If they do invest try giving up 50 percent of the company for 250k.

It seems like you guys lack the experience in business development.
Most companies feels this at 3 year mark. Most companies exit plan is to sell because they lack the funds expertise and experience to grow the company. If you start another companies you will have to run into same issues and same predicament.