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How to choose a design agency: 12 questions to ask before you sign

Portfolios all look good. These are the questions that separate a studio that will do the work from one that will sell it to you, drawn from both sides of the table.

3 September 2026 · 7 min read

Two people in a meeting reviewing designs on a laptop

Every agency website shows beautiful work, a process diagram and a client logo wall. None of that tells you what the next six months will feel like. We have sat on both sides of this decision: as a studio being evaluated, and as advisers helping clients pick between shortlists. The agencies that turned out well were rarely the ones with the best pitch. They were the ones that answered the following questions well.

About the work

1. Who exactly will work on this? Ask for names and ask to meet them. If the pitch team and the delivery team are different people, you are buying the pitch team’s reputation and the delivery team’s time.
2. Show me a project that went wrong. Every studio has one. What matters is whether they can describe what they learned without blaming the client.
3. Walk me through one case study in detail. Not the outcome, the decisions. Why this layout, what was tested, what was rejected. Studios who did the work can go as deep as you like. Studios who inherited it cannot.
4. What would you not do for us? A studio that says yes to everything is either very large or not being straight with you. Good ones have edges.

About the process

5. How often will I see work, and in what state? Weekly showings of rough work beat a monthly big reveal every time. Ask when you will see the first sketch. If the answer is “week five”, that is four weeks of risk.
6. How do you decide what to research? The answer should include real users, your data and your team, and it should end in a written point of view, not a slide deck. Here is what research should produce.
7. What happens when we disagree? You want a studio that argues its case with evidence and then commits to your decision. You do not want one that folds instantly, or one that never folds.
8. How do you hand over to engineers? Listen for specifics: component naming, tokens, pairing sessions, QA. “We export to Figma” is not a handoff process.

Hire the people, not the portfolio. The portfolio is what those people did last time, for someone else.

A team discussing work pinned to a wall — Ask to meet the people who will do the work, not the people who sell it

About the commercials

9. What is not included in this price? Revisions beyond a number, build support, photography, copy, stock licences. The gaps are where budgets go.
10. Who owns the files and the IP? You should, on payment, with full source files. Anything less is a lock-in.
11. How many clients do you run at once? A small studio with three live projects gives you a senior designer’s actual attention. A studio with thirty gives you a project manager.
12. Can I speak to a client from a year ago? Recent clients are still in the honeymoon. A client from twelve months back can tell you whether the work held up and whether the relationship did.

Agency, freelancer or in-house?

A freelancer is right when the problem is one discipline and one person can hold it. In-house is right when design is continuous and central to the product. An agency is right when you need several disciplines at once for a bounded period, or senior judgement your team does not yet have. Many of the best arrangements combine them: a studio sets the direction and system, an in-house team runs it. Be suspicious of anyone who tells you their model is right for every situation.

Red flags, briefly

A proposal arrives before anyone has asked you a hard question.
The timeline has no research in it, or research is a single line called “discovery” lasting two days.
Every case study has the same visual style regardless of client. That is the agency’s brand, not yours.
You cannot get a straight answer about who will do the work.
The contract locks source files, fonts or accounts to the agency.

None of this requires a procurement process. Two conversations, a shortlist of three and the twelve questions above will get you to a decision you can defend. And if you would like to put us through them, we are happy to be asked.

Common questions

What should I look for when choosing a UX design agency?

Meet the people who will do the work, ask them to walk through one case study decision by decision, check how often you will see work in progress, and confirm you own the source files. Portfolios matter less than process and people.

Should I hire a design agency or a freelancer?

A freelancer suits a single-discipline problem one person can hold. An agency suits work that needs research, design and strategy together for a bounded period, or senior judgement your team lacks. In-house suits continuous, product-central design.

How many agencies should I shortlist?

Three is enough. More than that and the comparison becomes a spreadsheet exercise rather than a judgement about who you want in the room every week.

What are red flags when hiring a design agency?

A proposal before any hard questions, no research in the timeline, identical visual style across all case studies, vagueness about who does the work, and contracts that lock files or accounts to the agency.