Buying at national scale changes the question. A single office can hire whichever web design studio is nearest and good; an organisation selling into every state has to decide what coverage it is actually paying for, how review rounds work when the people approving the work start their day at different hours, and whether a studio's understanding of one capital city transfers to the rest of the country. Those are procurement questions, and they are answerable before anyone shows you a mood board.
What a national web design brief has to answer
The brief that produces comparable proposals states four things plainly. Who the site is for, in the sense of which audiences and in what proportion. What the site has to do that the current one does not. Who can approve a direction. And what already exists that cannot change, whether that is an identity, a photography library, a content system or a set of trading terms that must appear in a particular way.
Everything else is open, and saying so gives a studio room to propose. The common failure is the reverse: a brief that specifies page counts and features in detail, says nothing about the audience or the approver, and then produces proposals that are identical in scope and impossible to separate on merit.
Australia is several working days at once
The country spans enough longitude that a morning review in one office lands mid afternoon in another, and part of the year the gap widens because daylight saving is not observed everywhere. For a project with stakeholders in more than one state this is the quiet cause of slipped deadlines: a comment posted at the end of one day is not read until the middle of the next, and a two round approval cycle stretches into a fortnight.
The fix is scheduling discipline rather than more meetings. Fix a weekly review slot that genuinely works for every approver, require written decisions rather than verbal agreement in a call half the group missed, and set a standing rule that silence past a stated point counts as acceptance. Ask a prospective studio how it handles distributed sign off, because the ones that work nationally already have an answer.
Coverage, and how it is actually delivered
Web design studios describe themselves as national in several different ways and the differences matter. Some have offices in more than one capital with real teams in each. Some have a single studio and clients everywhere, which is usually fine and occasionally a problem when the work needs someone in a room. Some are networks of independents assembled per project, which can be excellent and depends entirely on who is assembled.
Ask which model applies, then ask where the people doing your work will physically be and whether anyone will travel. If the project includes a photography shoot, a workshop with staff, or anything involving a physical location, travel is a real line item and it should be visible rather than buried. A web design engagement that never requires anyone to leave their desk is cheaper, and you should be told that is what you are buying.
Accessibility expectations arrive from the buyer side
Large private buyers, universities and anything touching government procurement increasingly ask suppliers to meet a stated conformance level, and they ask before signing rather than after launch. That changes the web design phase, not just the build: contrast, focus states, heading structure, target sizes and form error handling are all decided when the visual language is decided.
Ask which level the studio designs to by default, whether it tests with a keyboard and a screen reader as part of its own process, and whether remediation of an existing site is something it does. WCAG 2.1 is the usual reference point. A studio that treats it as a checklist applied at the end will hand you a site that passes a scan and still frustrates people.
Consumer law shapes how prices are drawn
Any page that shows a price carries obligations about how the total is presented, what may be excluded, and how conditions are disclosed. Web design teams that have not worked under these rules tend to produce elegant pricing cards with the qualifications hidden behind an icon, which is precisely the pattern that causes trouble.
Bring the constraint into the design phase. Show the studio the wording you are required to use, ask to see the pricing component with the full disclosure visible rather than collapsed, and check how it behaves on a narrow screen. The same applies to subscription terms, delivery conditions and anything with a cooling off period attached. It is far cheaper to design around the requirement than to bolt compliance onto a finished layout.
Small screens and uneven connections
A national audience includes a large share of people on phones, and outside the dense metropolitan corridors the connection is not always generous. Heavy hero video, large uncompressed imagery and font stacks that block rendering punish those visitors first, and they are frequently the ones furthest from your offices and most dependent on the site.
Make this part of the design conversation rather than a technical afterthought. Ask what the studio does about image weight, whether it designs a meaningful state for a page that is still loading, and whether it reviews work on a mid range device rather than a desktop monitor. Good web design here means deciding early what the page looks like when not everything has arrived.
Holding proposals to the same shape
Three web design studios will scope the same project to three different depths unless you prevent it. Give everyone the same template list rather than a page count, the same answer about who writes the copy, the same approver structure and the same expectation about photography, then let them differ on approach, team and price. Ask each to state what you receive on final payment: editable source files, the component library, font licences in your own name, and written permission to continue the work elsewhere.
Running that process yourself across a national shortlist is a fair amount of administration. You can instead set the requirement out once and receive structured proposals from several studios working to the same brief. If the requirement turns out to be an application rather than a site, with accounts, logic and integrations behind it, the shortlist should come from firms that build and maintain web applications. If the identity itself is unsettled, resolve that first with brand and identity specialists. For how this category is structured elsewhere, start from the overview of website design agencies.