Powerful marketing and sales automation!

I have been using HubSpot [CRM] for over 6 years. I think it's one of the best CRM/Marketing platforms on the market. I've seen the platform continue to grow and improve over the years and it has so many features and capabilities, yet simple enough to get what you need done with minimal effort.

There are also powerful integrations and workflows/automations that put this CRM on par with Salesforce.
I really like how the forms integrate with your website for lead capture and provide powerful insights and actions on each lead.
I have also implemented the chat conversation functions that allow a chat bubble on your website as a conversation inbox as well as your company facebook page.
Managing sales staff and their lead assignment is another strong attribute of HubSpot.
If you do email marketing, HubSpot handles that too and syncs lead data the the CRM contacts. The email templates are nice and easy and the insights on each campaign are very helpful. Overall I highly recommend HubSpot to anyone, any size company and you could try their free version to get a good feel for it.

Before HubSpot [CRM], we had to manually forward website contact form submissions to the appropriate sales staff. Now, not only can we have the forms collect into HubSpot and automatically create leads, but with workflows we can automatically assign those leads/conversations to sales staff by round robin or by their team or any number of other helpful configurations. This enables us to act on new leads quickly and keep notes on every single call, email etc on each lead. Quoting leads and turning deals into sales, leads into customers is a breeze.
These features save time and allow for huge increase in efficiency and productivity and help prevent mistakes.

It's a good idea to really think about how many contacts you anticipate having and how your team will be set up. These affect pricing and implementation concerns.