A trust signal is any piece of evidence on your website, listing or ad that tells a visitor your business is real, legitimate and safe to buy from. Where social proof shows that other customers were happy, trust signals answer more basic questions: who is behind this, can I reach them, and will my money and data be safe?
How trust signals work
A first-time visitor is constantly, and mostly unconsciously, checking for reasons to leave. Trust signals remove those reasons one by one. They fall into a few groups:
- Identity: your full business name, a real address, a UK phone number, named people with real photos, and for limited companies the registered number and registered office.
- Independent verification: membership of a trade body or regulator register that the visitor can check, such as the Gas Safe Register for gas engineers or the FCA register for regulated firms.
- Reviews on platforms you do not control, such as Google or Trustpilot.
- Security and payment: HTTPS across the site, recognised payment providers, and a checkout that looks like the rest of the site.
- Clear policies: delivery, returns, cancellation and a privacy notice that are easy to find and written plainly.
- Care: current copyright dates, no broken pages, no spelling errors, and prices that match the ads.
Some of these are legal requirements as well as good practice. UK limited companies must show their registered name, number, place of registration and registered office on their website, and the e-commerce regulations require businesses selling online to give a geographic address, an email address and, where registered, a VAT number. A visitor who wants to check can look you up on Companies House in under a minute.
Why it matters
Trust matters most where the risk feels highest: letting a tradesperson into your home, paying a deposit to a business you found online, booking a private medical appointment, or buying from a shop you have never heard of. In those situations a missing address or a mobile-only contact number can end the visit, however good the offer.
Search engines care about the same things. Google’s guidance for its quality raters places trust at the centre of E-E-A-T, and clear information about who runs a site and how to contact them is part of how that trust is judged.
Common mistakes
- Displaying logos of trade bodies or schemes you do not belong to, or have let lapse. Under UK consumer law that is a misleading practice, not a marketing shortcut.
- Generic “secure checkout” padlock graphics that link to nothing and verify nothing.
- Hiding the address and phone number behind a contact form.
- Crowding the checkout with so many trust badges that it looks less safe, not more.
- Prices, delivery charges or opening hours that differ between the ad, the listing and the site.
How to act on it
Look at your site as a cautious stranger would. Check that the footer carries your legal name, company number, registered office and VAT number where they apply, and that phone and email are visible on every page. Link each accreditation to the page where a visitor can verify it. Put reassurance next to the moment of commitment: returns information near the basket, a privacy line under the enquiry form.
Then keep it current. Remove anything expired, refresh team photos and update policies when they change. Getting these foundations right is often the first job in a website redesign, because a new design with weak trust signals still loses the cautious visitor.