Hi Emmanuel,
1) These four platforms (Microsoft PowerBI, Big Data, Qlikview, Klipfolio) are suits for your requirement.
Yes. We can integrate the different sources (API, Social Media, data from Excel, Databases like MySQL, SQL) to fetch the real time data and create an Data Analytics Dashboards.
2) Yes. We have more experience with Cohort analysis graphs. Please refer our BI & Dashboard Service case study document.
3) Yes. Please find below the URL of our BI, Dashboard, Data Analytics and Visualization Application Service case study document,
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4) We are charging $20/hr to work on these BI tools (The Microsoft Power BI, Big Data, Qlikview, Klipfolio) and also we can develop a BI & Data Analytics Dashboards from scratch using PHP, .NET or JAVA with the rate of $15/hr.
5) We have a enough resource bandwidth to start your project immediately. But normally we kickstart the project within 2 business days from the date of project awarded.
We are an IT firm specialized in the BI, Dashboard, Data Analytics and Visualization application development and having a team of Senior Data Analyst & Data Architect to work on this engagement,
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Senior DBA-
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Kindly initiate the message through Freelancer chat to for next level discussion.
Thank you,
Sakthi V.