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Right for building it. A different question from running it.

Last reviewed
2026-09-16

What it is

A web design agency takes on a project: research, design, build, launch. Ongoing work afterwards is generally a separate retainer, an hourly arrangement, or nothing at all.

What it is good at

  • Design and brand work, which is a craft and a genuinely hard one.
  • Strategy, research and information architecture at the start of a project.
  • Building something bespoke that fits a business nobody else has.
  • Concentrated attention. During a project you have a team thinking about your site full time.

What it leaves with you

  • The other 355 days. A project ends, and the obligations do not.
  • Ongoing accessibility. A site that launched conformant drifts with every page published afterwards.
  • An hourly relationship for small changes, which is what makes people stop asking for them.
  • Continuity risk. The people who built it move on, and the knowledge goes with them.

Side by side

QuestionA web design agencyWebSpark
Design and rebrandYes, their core workNo
Ongoing operationsA separate retainer, if offeredThe entire product
Small content changesUsually billed hourlyIncluded
Accessibility after launchRarely scopedContinuous, evidenced
Monthly evidenceNoYes
If the team changesKnowledge leaves with themThe platform holds it

Which to choose

Choose A web design agency when

  • You need a redesign, a rebrand, or a new site built. This is the work agencies are for, and we are not a substitute for it.
  • The project is genuinely bespoke and needs sustained design thinking.

Choose WebSpark when

  • The site exists and the problem is that nobody is running it.
  • You want small changes to be free and quick rather than quoted.
  • You need the compliance and evidence layer an agency retainer rarely covers.

What switching costs

Often none in the sense that matters: many businesses keep their agency for design work and move operations to us. Where a site was built bespoke, the migration cost depends on how much of it is content and how much is custom behavior, and that assessment is worth doing before committing.

Sources

  1. Developing an accessibility statementW3C Web Accessibility Initiative

Every statement about another company is taken from its own public material and carries the date it was last reviewed. Products change. If something here has gone out of date, tell us and we will correct it.