Email Signature Generator
Build a professional, client-safe HTML email signature and copy it straight into Gmail, Outlook, Apple Mail or Thunderbird — free, no account, no watermark.
Personal details
Contact details
Photo
Logo
Social links
Banner
Disclaimer
Style
Choose a template
Every template is table-based and inline-styled so it survives Gmail, Outlook, Apple Mail and Thunderbird.
Minimal
Modern
Corporate
With photo
Creative
Live preview
Accent Rail
How to add this to your email client
Pick your email client for step-by-step install instructions.
- Open Gmail on desktop and click the gear icon in the top right, then select "See all settings".
- Click the "General" tab if it isn't already selected.
- Scroll down to the "Signature" section and click "Create new".
- Give the signature a name (for example "Work") and click "Create".
- Paste your copied signature into the text box — the formatting, colours and images will carry over automatically.
- Under "Signature defaults", choose this signature for new emails and for replies/forwards.
- Scroll to the very bottom of the page and click "Save Changes" — signatures don't save automatically.
Free Email Signature Generator for UK Businesses
Every email your business sends is a small piece of marketing collateral, whether you treat it that way or not — and in the UK, where business correspondence is still judged on tone and precision, a scrappy or inconsistent signature undercuts the professionalism of everything above it. This generator builds a proper HTML email signature — the kind that renders correctly in Outlook, Gmail, Apple Mail and Thunderbird rather than falling apart into a stack of misaligned text and a broken image icon. Pick a template, fill in your details on the left, and watch the live preview update in both light and dark mode as you go.
British business correspondence tends to sit a notch more formal than its American equivalent: full job titles rather than shorthand, a registered company name that matches Companies House exactly, and a restrained use of colour and imagery rather than banner ads and social proof badges crammed under every name. This tool defaults to that register, but every field is optional, so a sole trader, a freelance consultant and a 200-person limited company can all end up with a signature that looks native to their situation rather than generated.
If you trade through a UK limited company, there is also a statutory angle to get right: the Companies Act 2006 requires certain disclosures on business correspondence, including email, and getting this wrong is a compliance gap that is easy to fix and mildly embarrassing to be caught out on. The legal requirements section below the builder walks through exactly what is required and gives you working text to drop straight into the disclaimer field.
What a professional email signature looks like in the UK
The safest default for a UK business signature is name, job title, company name exactly as registered, and two or three contact methods — a landline or DDI, a mobile if you take calls on it, and a website. Postal address is still common in UK signatures in a way it has become less common in the US, partly because it doubles as part of the Companies Act disclosure and partly because UK clients and suppliers are more likely to send physical correspondence such as invoices or contracts by post. Sign-offs like "Kind regards" and "Many thanks" pair naturally with a signature that keeps to one accent colour and a single, legible typeface rather than mixing brand colours across every line.
Where UK signatures diverge most from American ones is restraint: a discreet logo and perhaps one or two social links (LinkedIn is far more commonly included than Twitter/X or Instagram in a B2B context) tend to read as more credible than a signature stacked with review badges, calendar-booking buttons and marketing banners. If you do want a banner — for a webinar, a case study, or a seasonal notice — keep it to one, keep it small, and make sure it still makes sense with images turned off, since a large proportion of UK corporate email gateways block external images by default.
Do's and don'ts for images, logo sizing and mobile rendering
- Size a headshot to roughly 100–150px square and let the template crop it to a circle or rounded square — anything larger just adds load time without adding legibility at signature scale.
- Keep a company logo to around 150–200px wide with a transparent PNG background so it sits cleanly on both light and dark email backgrounds rather than showing a white box.
- Compress every image before uploading — a signature photo or logo has no business being more than 30–50KB; large images make every single email you send noticeably heavier to send and receive.
- Avoid animated GIFs in a signature. Outlook's desktop rendering engine (which is built on Word, not a browser engine) will only ever show the first frame, so an animation just becomes a slightly odd static image.
- Design logos and banners with a light halo or padding rather than a hard-edged transparent background, since dark-mode Outlook and Gmail will otherwise render a logo's edges harshly against a dark grey or black background.
- Always set alt text on any image field you can — plenty of corporate UK mail servers strip or block external images by default, so a signature that is unreadable with images off is a signature that fails for a meaningful share of recipients.
- Never build the whole signature as a single flattened image. It fails accessibility checks, doesn't scale properly on a phone screen, and is a known trigger for spam filters that treat all-image emails with more suspicion than text-and-image ones.
- Test the finished signature on a phone before rolling it out — a signature that looks balanced on a 24-inch monitor can wrap awkwardly on a 6-inch screen, pushing contact details onto three or four lines instead of one or two.
Legal requirements for UK business email signatures
Under the Companies Act 2006 (s.82) and The Companies (Trading Disclosures) Regulations 2008, a UK limited company must disclose its registered company name, its company registration number, its place of registration (England and Wales, Scotland, or Northern Ireland) and its registered office address on business correspondence — and the legislation explicitly treats email the same as a printed letter. This catches out more businesses than you'd expect, particularly ones that grew from a sole-trader setup into a limited company and never updated their email footer to match.
In practice, the fix is a short disclaimer or footer block. A compliant line reads something like: "Sterling & Hart Consulting Ltd is a company registered in England and Wales. Company number: 08954321. Registered office: 14 Regent Street, London W1B 5TA." If you trade under a name that differs from your registered company name — for example "Sterling & Hart" as a trading name for "SH Consulting Services Ltd" — both names need to appear, since the disclosure rules exist specifically so a third party can identify the legal entity behind the trading name they're dealing with.
The rules apply to limited companies (Ltd), public limited companies (PLC) and LLPs; sole traders and ordinary partnerships aren't caught by s.82 itself, but a related requirement under Part 41 of the same Act means anyone trading under a business name that isn't simply their own name still has to state the proprietor's name and a UK address for service of documents. Getting this wrong is a strict-liability offence under s.84 (a fine at the relevant level on the standard scale, chargeable to the company and, in some cases, its officers) — rarely enforced in isolation, but it's the kind of gap that surfaces at exactly the wrong moment, such as during due diligence for a funding round or an acquisition. Add the disclosure once, in the disclaimer field above, and it will appear on every signature you generate from here on.
Keeping signatures consistent across a team, and adding GDPR-safe banners
Once a signature works for one person, the next problem is usually keeping ten or fifty people's signatures consistent — same logo placement, same accent colour, same legal footer — without relying on everyone copying and pasting correctly. For small UK teams, the practical approach is to agree the template here, export the HTML, and distribute it as a document with fill-in-the-blank fields; for larger teams on Microsoft 365 or Google Workspace, an IT admin can push a signature centrally through Exchange transport rules or Gmail's admin-managed signatures, which also guarantees the Companies Act disclosure can't accidentally be deleted by an individual employee.
If you add a marketing banner — a webinar promotion, a seasonal offer, a "read our latest case study" strip — bear UK GDPR and PECR in mind if that banner includes any tracking pixel or click-tracking redirect, since that counts as processing personal data about the recipient's engagement. It doesn't need to stop you adding a banner, but it's worth keeping the banner's destination link direct and avoiding third-party ad-tracking pixels bolted onto an internal signature. It's also worth setting a matching out-of-office message so the branding and legal footer carry through even when a signature isn't attached to the reply itself.
Legal requirements for UK business email signatures
Under the Companies Act 2006 (s.82) and The Companies (Trading Disclosures) Regulations 2008, a UK limited company must disclose its registered company name, company number, and registered office address on business correspondence — and this extends to business emails, not just printed letterhead.
The easiest way to stay compliant is to add these details in the disclaimer/footer field so they appear under your signature on every email sent from the company domain.
Frequently asked questions
- Is this free email signature generator really free?
- Yes. There is no account, no watermark, and no limit on how many signatures you create or export — every template, the photo and logo upload, and the HTML export are all free to use.
- Do you offer ready-made email signature templates, or do I have to design one from scratch?
- Both are available. Pick from the template gallery above the builder for a ready-made layout — logo left, contact stack right, or a banner variant — then customise colours, fonts and fields, or start from a blank layout if you'd rather build your own arrangement.
- How do I create an email signature in Outlook?
- Build your signature above, click "Copy signature", then in classic Outlook go to File > Options > Mail > Signatures, click New, name it, and paste into the editing box. In new Outlook, it's the gear icon > Accounts > Signatures instead. Full click-by-click steps for desktop, web and new Outlook are in the install guide below.
- What is an HTML email signature, and do I actually need one?
- An HTML signature uses a small table-based layout with inline styling — rather than plain text — so your logo, colours, spacing and clickable links all render the same way in Gmail, Outlook, Apple Mail and Thunderbird. You don't strictly need one for a personal inbox, but for any UK business that wants to look consistent across a team, an HTML signature is the only reliable way to keep logo sizing, colour and layout identical across everyone's outgoing mail.
- Are there legal requirements for a UK business email signature?
- If you trade as a limited company, PLC or LLP, business emails must show the same disclosures as your letterhead under the Companies Act 2006: your registered company name, company number, and registered office address. Sole traders using a trading name have a related but lighter requirement to show the proprietor's name and a UK service address. Add these details in the disclaimer field above and they'll appear on every signature you generate.
- Will my logo or photo break in Outlook or show as a red X to recipients?
- It shouldn't, as long as you use a properly hosted image URL rather than a locally embedded file and keep the image reasonably small. Broken images in Outlook are almost always caused by pasting a signature that references an image saved on your own computer rather than one hosted online — this tool hosts your uploaded images for you so the link stays valid wherever the signature is pasted.
- Can sole traders and freelancers use this generator, or is it only for limited companies?
- It works equally well for sole traders, freelancers and partnerships — simply leave the company registration disclaimer blank or use the lighter business-name disclosure described above, and pick a template that suits an individual consultant rather than a larger team.


