SignForge

Corporate Email Signature

Corporate email signatures serve three functions simultaneously: professional identity for the individual, brand representation for the company, and legal compliance under Companies Act and industry regulations. Getting all three right — and maintaining consistency across hundreds or thousands of employees — requires a standards document, a template, and an enforcement mechanism.

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Logo, department, contact details, and legal footer — professional templates for business use. Free, no signup.

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Works with Gmail, Outlook, Apple Mail & more

What a Corporate Signature Must Include

Individual (varies per employee)

Full nameLegal name. No nicknames in corporate correspondence.
Job titleExact title as appears in HR records. No informal variations.
DepartmentRelevant in organisations above ~200 people where recipients may not know which team you're in.
Direct phone numberDDI (direct dial) rather than main switchboard. Enables recipients to bypass reception.

Company (standardised)

Company name and logoLogo at consistent size across all signatures. Defined in brand guidelines — typically 120–180px wide, hosted on company CDN.
Company websiteHomepage or relevant divisional page. Consistent URL format across all signatures.
Social links (brand accounts)Company LinkedIn, Twitter/X — not personal accounts. Icons at 20–24px, consistent set.

Legal footer (mandatory for UK Ltd)

Registered company nameExact legal name as registered at Companies House.
Company registration number8-digit number from Companies House. Format: 'Company No. 12345678'.
Registered office addressFull address. Not necessarily trading address — where legal notices are served.
Country of registration'Registered in England and Wales' or Scotland or Northern Ireland.

Industry-Specific Regulatory Requirements

Financial services (FCA regulated)

FCA registration number and a statement that the firm is authorised and regulated by the Financial Conduct Authority. The firm name must match the FCA register exactly. Performance claims and guarantees are prohibited in signatures.

Legal (SRA regulated solicitors)

'Authorised and regulated by the Solicitors Regulation Authority' plus the SRA number. If the firm is an LLP, LLP registration number is required. Individual solicitors may include their personal SRA number.

Healthcare (NHS)

GMC number for doctors, NMC number for nurses. NHS Trust or GP practice name. A statement that email is not appropriate for urgent clinical matters. No clinical advice should be given via email.

Estate agents (England)

Membership of an approved redress scheme (The Property Ombudsman or Property Redress Scheme). Under the Estate Agents (Redress Scheme) Order 2008, membership must be disclosed in client communications.

Charities

Registered charity number. 'Registered charity in England and Wales' (plus number) on all external communications. Required by the Charities Act 2011.

Deploying Signatures Across a Company

Self-service with template

2–50 employees

Provide a SignForge-generated template. Each employee pastes it into their email client and updates their personal fields. Works at small scale. Breaks down when employees customise inconsistently or don't update after rebrands.

Shared HTML file

10–100 employees

IT distributes a pre-filled HTML file per role template. Employees install once. Harder to update centrally — requires re-distribution on every change. Tools like Crossware or HTMLSIG simplify this.

Server-side injection (enterprise)

100+ employees

Tools like Exclaimer, Newoldstamp, or CodeTwo inject signatures via Microsoft 365 transport rules or Google Workspace routing. Every outbound email gets the correct signature appended server-side. The employee never sees it while composing — it appears on the sent/received email. Advantages: guaranteed consistency, no user action required, central updates propagate instantly.

Corporate Signature Example

UK Ltd — Financial Services

APEX

Catherine Hughes

Senior Associate · Corporate Finance

Apex Capital Partners

DDI: +44 20 7000 0001 · Mobile: +44 7700 900000

apexcapital.co.uk

Apex Capital Partners Ltd · Registered in England and Wales · Company No. 09876543
Registered office: 1 Canada Square, London E14 5AB
Authorised and regulated by the Financial Conduct Authority (FCA No. 123456)

Related Guides

Build a Corporate Signature Template

Logo, legal footer, brand colours — for individuals and teams. Free, no signup.

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Works with Gmail, Outlook, Apple Mail & more