Most businesses with an ExpressionEngine or Craft CMS site eventually need external support. The agency that built it has moved on, the internal team does not have platform knowledge, or something has broken and the usual contact cannot fix it quickly enough.
When that happens, the instinct is often to bring in whoever is available: a capable PHP developer, someone who comes recommended, someone who has worked on websites before. The problem is that ExpressionEngine and Craft CMS are not generic frameworks. They have specific architecture, specific extension models, and specific upgrade paths. A developer without platform experience can do real damage trying to fix something they do not fully understand.
A developer who has not worked with ExpressionEngine before will not know how the template parsing engine resolves tags, how channel data is structured across tables, or why modifying core files creates problems at the next upgrade. They may apply a fix that works today and breaks six months later. They may disable an add-on to resolve a conflict without understanding what that add-on controls in production. They may treat symptoms as problems and leave the underlying issue untouched.
On a site that handles customer accounts, live transactions, or staff operations, that gap is expensive.
A specialist who has worked with ExpressionEngine or Craft CMS across dozens of sites over many years knows the platform at every layer. They know which version upgrades introduced breaking changes and which were safe. They know which add-ons are actively maintained and which have been abandoned. They know where performance problems typically originate and how to confirm the diagnosis before applying a fix.
They can assess a site that has not been properly maintained in three years and give you a clear picture of its condition and what needs attention, usually within hours rather than days.
Both ExpressionEngine and Craft CMS release regular updates. Deferring them accumulates risk. A site running two or three versions behind has drifted from current security patches, from supported hosting compatibility, and from the upgrade path the platform vendor actually supports.
Upgrading is not a matter of clicking a button. Templates may need rewriting. Add-ons may need replacing if the original developer stopped maintaining them. Data structures may need migrating. A specialist who has handled these upgrades repeatedly knows what to prepare before starting, what to check at each stage, and what to do when something unexpected appears. A generalist is learning the process on your site.
If a developer makes a mistake on a low-stakes marketing site, it shows up as a layout problem or a missing page. If they make a mistake on a site that handles payments, member accounts, or internal workflows, it shows up as downtime, corrupted data, or customers who cannot complete what they came to do.
On a business-critical site, the cost of the wrong fix usually exceeds the cost of specialist support.
When you are evaluating CMS support, ask specifically about platform experience. Ask how many ExpressionEngine or Craft CMS sites they currently support, what versions they are most familiar with, and whether they have handled the type of upgrade or integration you need. A specialist will answer these questions with specifics.
If you are uncertain about the current state of your site, a short assessment is usually the fastest and cheapest way to find out. It costs considerably less than emergency support after something has already gone wrong.
If you want to talk through your site's situation, get in touch with Karl directly.
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Most clients come to us when their site has started to feel like a risk rather than an asset. Whether the agency relationship has ended, an upgrade has been delayed, or the site has simply grown beyond what it can handle, a conversation costs nothing.
Get in touch with KarlTrusted by established businesses and growing brands across the UK
Expression 37 works with a small number of clients at any one time. These are some of them.
Karl founded Expression 37 in 2007 and has worked exclusively with ExpressionEngine and Craft CMS ever since. He does not take on work in other platforms and does not hand work to other developers. Expression 37 is deliberately small, because the kind of support that matters to clients with business-critical sites is specific to their site, not something that scales in the conventional sense. If you work with Expression 37, you work with Karl.
Find out how we workKarl has been instrumental in delivering the ExpressionEngine development requirements for our client. Karl very quickly became part of our extended team as he is reliable, dependable and thorough in everything he does. Karl has a genuine desire to see his clients succeed and he will go out of his way to help them achieve that. Karl worked hard on our projects and was so helpful all along the way. He is driven, talented and an absolute pleasure to work with! Any organisation would be lucky to have Karl on their team.
Leilah Aintaoui
Video Smart Ltd.