Email is still king. Despite billions chatting on social media, the stats show we still turn to email for the important stuff — from running a business and connecting with customers, to job hunting or reaching service providers.
That’s why a professional email address like you@your-big-idea.co.uk matters. It shows you’re credible and serious, keeps your inbox secure, and helps messages land where they should (not ignored or stuck in spam).
With the rise of new AI features like Titan Smart Write, email with 123 Reg works even smarter to support your business every step of the way.
What is a professional email address?
A professional email address uses your own custom domain name after the @ symbol, like you@your-big-idea.co.uk
Custom email, business email, domain email, pro email — they’re all basically terms for the same thing: your brand, in your inbox.
The domain name you choose becomes the core of your email address. When you buy a domain, you can set up an email that matches it.
For businesses and freelancers, having an email linked to your domain is one of the easiest ways to build trust and look credible online.
What makes an email address
Every email splits into two parts:
☐ Local part (before the @): Your name, role, or function (e.g., john.smith, info, sales, bookings).
☐ Domain part (after the @): Your full domain (e.g., yourbusiness.co.uk).
The extension or TLD (Top-Level Domain) is the domain part that shows off your brand, what you do, and/or your location.
Examples include:
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.co.uk or .uk for local businesses
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.ltd, .biz, .shop, and (of course) .com for companies
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Create options like .studio, .garden, .fun, or .life
Choose from 400+ TLDs to Match Your Business
With over 400 TLDs available with 123 Reg, you can pick one that fits exactly what you do.
You can buy a domain with an email plan — or get one free for the first year bundled with Website Builder or Managed WordPress Hosting and other website packages.
See also: How to Choose the Right Domain Ending and What is a Top-Level Domain (TLD)?
Start from just £1.99 per mailbox/month for the first year.
Your business email, ready in minutes.
What are the benefits of a professional email address?
Email remains the top choice for business communication. Research shows 83% of consumers prefer email over social media, and 99% still check their inbox at least once daily — often first thing.
Here’s just a few benefits:
✓ Strong first impression: Pitching clients or sending your portfolio? A custom email instantly shows you’re serious and credible—building trust from the first line.
✓ Instant credibility: Emails from randomguy@freemail often get ignored or hit spam. john@your-big-idea.co.uk? Much more likely to land in the inbox and get opened.
✓ Edge over competitors: In a crowded market, small details matter. Ditch generic addresses to look established and professional, driving more replies and deals.
✓ Bypass spam filters: Free domains can trigger junk folders. Custom ones that match your site reassure recipients and boost delivery—personalised subjects lift opens by 26%.
✓ Clean, ad-free inbox: Skip the banners and clutter of free providers. Focus purely on your messages in a distraction-free space built for business.
✓ Free brand promotion: Every email reinforces your name, not someone else’s. Email marketing delivers £36 return per £1 spent — one of the best branding tools around.
✓ Reliable expert support: Locked out or stuck? Get help fast from pros who make sure your email works across devices, anytime.
What is Professional Email Powered by Titan?
Running your business often means living in your inbox — but what if your email worked harder for you?
Professional Email powered by Titan combines a custom, branded address with smart AI tools that help you write faster, stay organised, and turn messages into opportunities.
Modern email, built for modern business.
How can I get a free email address?
Many “free” email addresses come with hidden limitations: ads clutter your inbox, support can be limited if something goes wrong, and most importantly, the address is very unlikely to match your domain, so it doesn’t show off your brand or give the credibility a custom email does.
The good news is, with 123 Reg, you can get a professional email address free for the first year when you choose packages like Website Builder, Web Hosting, or Managed WordPress Hosting — giving you everything you need to get online and look the part.
How do I get my own custom email address?
2. Get a 123 Reg email plan (buy domain + email together, or add to your existing domain).
3. Access your emails anywhere — desktop, browser, or mobile app on the go!
See also: Why Every Business Needs a Professional Email Address
What is Microsoft 365 Email?
Microsoft 365 Email gives you a custom, branded email address powered by Microsoft’s platform, so your messages are secure, reliable, and professional. Pick the right plan and you’ll also get Office apps like Word, Excel, and PowerPoint, along with SharePoint for easy team collaboration and file sharing.
Pick the right plan and you also get AI features to help you write faster, organise your inbox, and get more done. Integration with Microsoft Co-pilot turns your emails into actions, making your inbox smarter and helping you stay on top of your business.
See also: More Than Email – M365 Add-Ons to Power Your Business and Why Microsoft 365 is Such a Valuable Resource
Upgrade your email
Switching to a professional email address is a simple upgrade with real benefits. It creates the right first impression, builds trust, and helps your messages reach inboxes
