Seeking the Best CRM and Project Management Tools for a Small Digital Marketing Agency

As a small dynamic digital marketing agency we specialize in crafting unique marketing strategies creating engaging content and optimizing SEO to help businesses grow.
We mostly operate using the Kanban system which helps us visualize our workflow limit work in progress and maximize efficiency.
We are looking for a good CRM tool for a small agency like ours.
We currently dont use any software as we all work from the same office and mostly we do everything manually. This is a challenge since some members want to work remotely. We need a software that can help us collaborate on various projects effieciently, manage our relationship with our clients track leads and sales and provide some kind of analytics.
We have been exploring a vast universe of CRM and project management tools and there are many options out there! From Salesforce to Zoho CRM from Trello to Asana its like constellation of tools each claiming to be have unique features and capabilities. But here is the thing - we prefer simplicity. We believe that the best tool is the one that does exactly what you need without a bunch of extra features that you will never use.

What is the best CRM and Project management tool that you can recommend?