Comprehensive Multi-Channel Marketing Analytics Dashboard & Strategy for SaaS Startup (Focus on ROI)

We're a rapidly growing SaaS startup seeking an experienced digital marketing consultant to design and implement a robust multi-channel marketing analytics dashboard, coupled with a data-driven strategy focused on maximizing ROI. The ideal candidate will be proficient in integrating data from various sources including Google Ads, Facebook Ads Manager, Email Marketing platforms (Mailchimp/Klaviyo), our website analytics (Google Analytics 4), and potentially a CRM system like HubSpot. This project involves defining key performance indicators (KPIs) aligned with business goals, building a visually appealing and actionable dashboard using tools like Google Data Studio or similar (candidate's recommendation is welcome), conducting a thorough marketing audit to identify areas for improvement, and developing a comprehensive strategy outlining specific tactics across different channels (SEO/Content Marketing, Paid Social Advertising, Email Campaigns) to achieve measurable results. We need detailed monthly reports with clear, data-backed recommendations for optimization and future marketing investments.