Outlook for Mac could be used as an alternative for Mac users due to Mac Mail setup complexities.

- Go to Outlook > Preferences    
- Select Signatures  
- Click the + (plus) sign to add a new signature, name it and hit enter
- Right-click on the HTML file and open with Firefox or Chrome 
- Select the signature (ctrl + a) and copy it (ctrl + c)
- Go back to Outlook and paste (ctrl+v) the HTML signature from the file
- Click on the past icon and choose Keep Source Formatting

- Close the file
- Choose whether you want the signature for new emails only, or both new and replies
- Close the settings

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Airmail could be used as an alternative for Mac users due to Mac Mail setup complexities.

- Go to Airmail > Preferences    
- Click on Accounts if not pre-selected    
- Click on 3 dots next to relevant email account    
- Select Signatures    
- Select HTML in the signature window    
- Select all code/text and delete it    
- Copy and paste in signature HTML    
- Click save  

- Open the email we've sent you with your signature showing    
- Highlight and copy the signature    
- In Mac Mail, go to Mail > Preferences and select the Signatures tab    
- If you have more than 1 email account set up on your Mac, select the relevant one    
- Click the '+' button to the bottom right of the list of email accounts    
- Name the signature if you want    
- Type an easy to recognise word in the white text box to the right (eg REPLACE)    
- Ensure the "Always match my default font" checkbox is off    
- Close Mac Mail    
- Open Finder and go to Go > Go to Folder    
- If you store your emails in iCloud, paste in ~/Library/Mobile Documents/com~apple~mail/Data/MailData/Signatures/
-  -  - Otherwise paste in ~/Library/Mail/ and select the V folder > MailData > Signatures    
- Find the .mailsignature file with the latest date    
- Right-click on the file and open with TextEdit    
- Find your replacement word in the file and TRIPLE click on it (this will select the entire 'body' paragraph)
- Delete the highlighted text and paste the HTML into the file and save & close    
- Right-click on the file and select 'Get Info'    
- Check the 'locked' button in the 'General' section    
- Close the Get Info box    
- Open Mac Mail and your signature will be ready to use    

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‍ Please note that we are aware that this is a right pain! So if you want us to get it added to your Mac, please drop us a line.  

- Open the email we've sent you with your signature showing    
- Highlight and copy the signature (drag over the preview until you have it all selected, then select ‘copy' from the popup menu)    
- Go to your iPhones Settings > Mail > Signature    
- If you have more than 1 email account set up on your phone, make sure you select the right one    
- Delete any signature that may already exist    
- Tap and hold in the signature box and select ‘paste; from the popup menu    
- Shake the iPhone and an ‘undo change attributes’ pops up > select ‘undo'  

- Log in to https://mail.google.com/mail    
- Open the email we’ve sent you with your signature showing    
- Highlight and copy (ctrl+c) the signature    
- Click on the cog icon in the top right-hand corner    
- Select ’see all settings'    
- In the tab that automatically opens (General), scroll down until you see the signatures section    
- Select ‘create new'    
- Name the signature as required    
- Paste (ctrl+v) the signature into the right-hand window    
- Below the signature window, choose the new HTML email from the email list below ’signature defaults'
- Select the new signature for both New Emails and Reply/Forward emails    
- Ensure 'Insert signature before the quoted text in replies, and remove the '--' line that precedes it is ticked    
- Scroll to the bottom of the screen and click ‘save changes'