How to choose a web design agency: the questions to ask before you hire

This is the single most important question, and the one most often skipped. Plenty of businesses don't realise they don't own their own website until they try to leave. Some agencies register the domain in their own name, build on a proprietary platform you can never export from, or hold the keys to your ad accounts and analytics. The moment you stop paying, it all disappears.

Ask directly: when this is finished, do I own the site files, the domain, the hosting, the analytics, and any ad accounts? A good answer is an unhesitating yes, in writing, with everything in accounts registered to you. If the answer involves 'as long as you stay with us' or a platform you've never heard of that you can't migrate away from, treat that as a serious warning.

Pricing tells you how much risk sits with you versus the agency. Hourly or open-ended 'time and materials' billing means the cost can climb well past the estimate, and you carry that risk. A fixed price agreed up front puts the risk on the agency to scope it properly and deliver. Neither is automatically wrong, but you should know which one you're signing up for.

Equally, watch for lock-in: long minimum contracts, cancellation penalties, or hosting and maintenance bundled so tightly that leaving means starting over. A good answer is a clear, fixed figure for a clearly defined deliverable, with any ongoing costs stated separately so you can opt in or out. Ask what happens if you want to leave after launch, and listen for whether the contract is designed to serve you or to retain you.

The people in the pitch are not always the people who build your site. Some agencies win the work with a senior team, then hand delivery to juniors, offshore subcontractors, or a white-label firm you'll never meet. That isn't inherently bad, but you deserve to know, because it affects quality, communication and accountability.

Ask plainly who will design and build the site, where they're based, and who your point of contact will be day to day. A good answer names the people and is honest about the model. You want to know there's an experienced hand on the work and that, when something needs fixing, you're talking to someone who can actually fix it rather than passing your message down a chain.

A beautiful site that loads slowly will quietly cost you customers and rankings. Most people now browse on a phone, and Google's Core Web Vitals measure real loading, responsiveness and visual stability, with the recommended thresholds being a Largest Contentful Paint of 2.5 seconds or less, Interaction to Next Paint of 200 milliseconds or less, and Cumulative Layout Shift of 0.1 or less (Google, web.dev, 2024). Ask whether the agency builds to those standards or just to how the design looks on their large monitor.

A good answer talks about performance as a design constraint, not an afterthought, and is willing to show you scores on sites they've built. If speed, mobile and Core Web Vitals only come up because you raised them, that tells you where they sit on the priority list. You can sanity-check any live site yourself with Google's free PageSpeed Insights tool.

A website only earns its keep if people can find it and you can keep it current. Ask whether SEO foundations are included or charged as an extra later: clean page structure, sensible titles and descriptions, fast pages, proper headings and a sitemap should be standard, not an upsell. Ask the same about analytics; you should leave with proper tracking so you can see what's working, owned by you.

Then ask whether you can edit the site yourself without paying for every small change. Updating a phone number, a price or a photo shouldn't need an invoice. A good answer gives you straightforward editing for the everyday things and is clear about what genuinely needs a developer. If every tweak costs money, the running cost of the site is higher than the sticker price suggests.

Anyone can show a portfolio of nice-looking screens. The harder, more honest question is what those sites did for the businesses behind them. Ask to see real examples and, where possible, to hear from a client or two. Be wary of dramatic statistics with no source attached; under UK advertising rules, claims like that are supposed to be evidenced, so an agency throwing around big unsourced numbers is a flag in itself.

Just as important is how the agency defines success. A site that wins design awards but generates no enquiries has failed at its actual job. A good answer is grounded in outcomes that matter to you — enquiries, calls, bookings and sales — rather than vanity metrics like raw visitor counts or social likes. If they can't tell you how they'll know the site is working, they probably haven't built one to work.

Launch is the start, not the finish. Ask what happens the day after the site goes live: who fixes things that break, how updates and security are handled, and what any care plan actually covers versus costs. You want support that's clearly priced and optional, not a vague retainer you can't escape. Ask too whether the agency only builds the site or can also bring people to it through ads and SEO, because a site with no visitors is just an expensive brochure.

Finally, ask about timeline and process — what the stages are, what they need from you, and roughly how long it takes — so you can hold them to it. Across all of these answers, watch for the warning signs: no clear contract or scope, pressure to decide today, ownership that stays with the agency, prices that won't be pinned down, refusal to show real work, and a focus on how the site looks with nothing said about whether it brings in customers.