First, understand what an agency does. Services may include San Francisco SEO, PPC, social media, content marketing, website development, and conversion optimization.

Next, decide whether a local agency or remote partner better understands your market and customers.

Evaluate experience by checking industry knowledge, case studies, client reviews, and measurable previous results. Don’t choose an agency simply because it promises fast rankings or guaranteed revenue. Unrealistic guarantees are a major red flag.

Pricing also matters. Costs vary based on services, competition, business goals, and campaign scope, so compare value rather than choosing the cheapest option.

Ask agencies which KPIs they track, including traffic, leads, calls, conversions, customer acquisition cost, and revenue.

Finally, compare several agencies based on strategy, transparency, expertise, communication, reporting, and expected business outcomes before making your decision.