# Andreessen Horowitz (a16z) > Andreessen Horowitz (known as a16z) is a stage-agnostic venture capital firm that invests in technology companies across consumer, enterprise, bio/healthcare, crypto, and fintech sectors. Founded in 2009, the firm is known for its 'founder-friendly' approach and for pioneerring the use of a large, internal team of operating experts to provide professional services to its portfolio companies. - URL: https://optimly.ai/brand/andreessen-horowitz-a16z - Slug: andreessen-horowitz-a16z - BAI Score: 94/100 - Archetype: Challenger - Category: Financial Services