Short answer: Squarespace is the better choice for most small businesses. It's easier to maintain and includes hosting, security and SEO tools. WordPress offers more flexibility for complex sites but needs more technical upkeep.
I build on Squarespace, so you know where I land. Here's the reasoning, including the cases where I'd send you to WordPress instead.
Ease of use
Squarespace is built to be edited by the person who owns the business. You click on the text and change it. You drag a photo into place. When I hand off a site, the training session takes about an hour, and clients actually use it afterward.
WordPress can be easy to edit too, but it depends on how the site was built. Two WordPress sites can work completely differently behind the scenes, depending on the theme and plugins. Many owners end up calling their developer to change a phone number.
Design
Both can look beautiful. Squarespace gives a designer a clean, consistent foundation and room to customize. WordPress can do almost anything, which is wonderful when you need it and a lot of moving parts when you don't.
For a service business, a professional practice or a creative brand, Squarespace covers what you need with far less to break.
SEO
This is the one people worry about most. Squarespace includes the essentials: editable page titles and descriptions, clean URLs, alt text, automatic sitemaps, SSL and mobile-friendly layouts. Its newer tools also help your business show up in AI search.
WordPress handles SEO through plugins, which can be powerful but need setup and updates. Either platform ranks well when the work is done right. The platform matters much less than your content, your structure and whether anyone filled in the page titles.
Upkeep and security
Here's the real difference. Squarespace handles hosting, security and software updates for you. Nothing to patch, and no plugin conflicts at 11 p.m.
WordPress needs regular updates to the core software, the theme and every plugin. Skip them and the site can break or get hacked. That's manageable with a developer on retainer, and a real risk without one.
Cost
Squarespace bundles hosting, security and templates into one plan, so the monthly cost is predictable. WordPress itself is free, but you pay separately for hosting, premium themes, plugins and someone to maintain it. Once you add those up, the totals often land in the same place, and WordPress can easily cost more.
When to choose each
Choose Squarespace if you want a polished site you can update yourself, you run a service business or a small shop, and you'd rather not think about hosting or security.
Choose WordPress if you need complex custom features, a large membership or e-commerce operation with special integrations, or you already have a developer you trust.
For most of the business owners I talk to, it's Squarespace. If that's you, a custom Squarespace website starts at $5,000, and a 5-page Mini Website starts at $4,000. Thinking about moving from WordPress? I can help with that too. Start a project and tell me what you're working with.