Securing investment is tough. You need to be super prepared, act professionally. Typically you will need to dedicate close to 100% of your time for 6-9 months towards fundraising and building investor relations.
This means the management spend less time focussing on what is even more important in an early phase of a startup and what founders and investors appreciate: Product development and growth.
Professional fundraising advisory and support is A) increasing the odds of converting investor leads, as well as B) generating more time to focus on your core competencies.