Picking a web design agency is genuinely harder than it looks. Everyone has a slick website and a convincing pitch, so you need to dig past the surface before committing.

Start with their portfolio. Any agency worth considering will have one publicly available. Look at the actual work, not just the screenshots. Does it feel alive, or does every site look like the same template with a different logo? Bonus points if they've built sites for businesses like yours, since that experience usually transfers.

Then read the reviews, but read them carefully. Google, Clutch.co, and the agency's own site are all worth checking. Ignore the five-star fluff and look for patterns. Did multiple clients mention missed deadlines? Did people keep praising the same account manager? That kind of consistency tells you more than any individual comment.

Ask how they actually run a project. A good agency can walk you through the whole process without hesitating: how they handle discovery, how revisions work, how they communicate along the way, and what support looks like after launch. If they stumble on any of that, take note.

Platform expertise matters too. Some agencies live in WordPress, others in Shopify, Webflow, or fully custom builds. Make sure the agency knows the platform that fits your situation, and ask why they'd recommend it over the alternatives. If they push one platform regardless of your needs, that's a red flag.

Pay attention to how they behave in early conversations. A good agency asks real questions about your business and your customers before talking price. If they're quoting you within ten minutes of the first call, they're probably not thinking hard enough about your specific problem.

Finally, get multiple quotes and resist the pull toward the cheapest option. A low price often means shortcuts, and shortcuts in web design tend to show up later when they're expensive to fix. Look at the full picture: experience, communication style, support, and whether you'd actually enjoy working with these people for the next several months.