buildbook.uk presents itself as a business that uses Microsoft login for authentication, but its own website is essentially a redirect. That's not unusual for apps that rely on Microsoft's identity platform, but what is unusual is the complete lack of a real web presence. Legitimate SaaS companies almost always have a landing page with details about their product, pricing, and company background. Here, you get none of that. The domain was registered just over a week ago, and there's no record of it in the Wayback Machine. If you're considering using buildbook.uk, the safest move is to wait. Check back in a few months to see if the site has developed a proper homepage, customer reviews, or a privacy policy. Until then, the evidence is too thin to call it safe.
In plain English
We can't recommend trusting buildbook.uk right now. The domain is just 8 days old and its homepage immediately redirects to Microsoft's login page, with no company information or legal pages anywhere. While the redirect itself goes to a legitimate site, the lack of transparency and very short history make this a high-risk proposition.
What you should do now
Don't panic. These steps limit the damage, and the sooner you take them the better.
Don't enter any details
No passwords, card numbers or personal information — even if the site looks professional.
Close the tab
Especially if you got here from an email, text message or social media ad.
Already paid? Call your bank
Contact your bank or card provider right away. They can often stop or reverse a recent payment.
Warn others
Report the site and share this check with anyone who sent you the link.
Where the score comes from
Solid security setup: modern encryption with a reputable certificate issuer and browser protections against clickjacking. Nothing to fault here.
The domain is only 8 days old, which is a major red flag for any business. No favicon or branding, and the registrant details are hidden behind a third-party validation. A legitimate SaaS would typically have a longer track record.
No blacklists or web threats detected, but the site has no history in the Wayback Machine and no Trustpilot profile. For a brand new domain, this is neutral but not reassuring.
The homepage redirects to a Microsoft login page, offering no information about the company behind buildbook.uk. There is no contact page, about page, or social media presence. This is a critical gap for a site that handles user logins.
No privacy policy, terms of service, or cookie consent are visible. For a SaaS that likely collects user data during authentication, this is a serious compliance failure.
DNS and email are well-configured with SPF and monitoring-only DMARC. Hosting on Microsoft's network is reliable, though DNSSEC is missing. Overall solid but not exceptional.
What we checked
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