GrowthExpertz

GrowthExpertz is a San Francisco-based growth marketing consultancy focused on early-stage tech startups. Founded in 2016 by Andrew Lee Miller, a founder with three exits, the firm is led by senior operators bringing over 30 years of combined experience to strategy and execution. The agency specialises in search engine optimisation, LinkedIn marketing, public relations, content marketing, podcast consulting, and fractional CMO support. Their approach centres on custom-tailored growth frameworks designed for venture-backed and bootstrapped companies across SaaS, AI, marketplaces, and mobile apps. GrowthExpertz emphasises practical, ROI-focused strategies that skip unnecessary complexity in favour of measurable results. They assist startups in building go-to-market strategies, optimising active channels, and scaling to critical user milestones. The team works primarily with founders preparing for fundraising rounds or pursuing aggressive growth targets. GrowthExpertz is best suited for early-stage tech startups seeking hands-on marketing leadership from operators with proven scaling experience.