AI is no longer optional for small businesses. The right stack can save hours every week, improve customer response times, and increase revenue without adding headcount.In this guide, we break down the best AI tools by use case:- Writing and content creation- Customer support and chat- Meeting notes and summaries- Marketing automation- Workflow and task managementWhat to look for before choosing an AI tool:1. Clear ROI in time or revenue2. Easy setup for non-technical teams3. Strong integrations with your current stack4. Transparent pricingOur recommendation: start with one tool per department, measure outcomes for 14 days, then scale what works.Next up on AI Stack Pilot:- Notion AI vs ChatGPT for business workflows- Best AI tools under £50/month- Best AI meeting assistants for small teams