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Gmail Not Working on My Mac – Simple Help Across London


Keith Thomas – Independent Apple Support Specialist with Experience at Apple UK

Keith Thomas is an experienced Apple Support Specialist and Apple Mac Computer Engineer, established since 2010. With support knowledge gained from working at Apple Computer UK and several Apple Authorised Service Providers, Keith offers calm, expert help for Mac, iCloud, email, and Apple Account issues delivered on-site in person, at your home or office.

Keith Thomas has a wide range of Apple Mac IT support skills and is recognised as a Mac Expert and Apple iCloud Expert, and has helped over 4,000 clients resolve more than 25,000 Apple‑related problems across London, Surrey, and the South East of the UK.

Every visit is handled personally -no call centre, no remote guesswork, and no outsourced technicians. Keith’s reputation is built on accuracy, discretion, trust, and real-world experience helping clients with setup, migration, upgrade recovery, Apple account issues, and full Apple ecosystem support. Apple Support by Keith Thomas is a Software Support service. No Hardware Repairs.


Call now: 07800 940756 | Contact Keith Thomas

Gmail Support London | Onsite Help for Mac Users

If you need help with your Gmail account in London, you’ve come to the right place. I am Keith Thomas, an independent Mac specialist providing dedicated onsite support for Gmail users. The Apple Store Genius Bar does not provide support for Gmail account issues, which is why I offer a professional, independent alternative. From frustrating syncing problems to essential account security, I provide a premium level of expertise that you will not find even at the Apple Genius Bar Service.

Keith Thomas provides one of the best alternatives to an Apple Store Genius Bar Appointment near you with a same day and a next day appointment service with an Apple Expert and a Apple Mac Support Specialist.

First Things to Check

  1. Internet connection: Open Safari or Chrome and verify that your Mac is online.
  2. Gmail in a browser: Visit mail.google.com to confirm account access. If Gmail fails here, your password or Google security settings may need attention.
  3. macOS version: Gmail works best with macOS Big Sur or newer. Older Intel Macs can hit sync issues, privacy blocks, or OAuth rejection.
  4. Apple Mail status: Is Mail set to offline? If so, go to “Mailbox → Take All Accounts Online.”

Secure Gmail Account Setup and Onsite Support

Are you a Gmail customer that needs to get help with the best Gmail account setup? I can visit you in London to provide secure configuration and on-site training to help you with the following:

  • Passkeys: Learn how to use passkeys for a modern, secure, and password-free login method on your Mac.
  • Authentication: I can help you set up Google Mail Two-Factor Authentication, including Google Authenticator, for an extra layer of security.
  • Account Security: Help with avoiding losing access to a Gmail account by setting up and managing your security settings.
  • Troubleshooting Syncing Issues: Dedicated help to resolve common problems where your Gmail emails are not syncing or updating.
  • Email Maintenance: Guidance on how to perform routine maintenance to keep your email running smoothly and efficiently.

Compromised or Hacked Gmail Account Help

If your Gmail account has been compromised or hacked, or you have had any **unauthorised Mac Remote Access** to your device, I can assist with on-site Gmail account security and Apple Security at your home or office in London. I provide professional advice on what to do and will guide you through the recovery process to help you regain control of your account.

Customer Testimonial

My Gmail account stopped working and emails seemed to disappear from my Gmail account, i needed to get help with this right away and I found out that getting help from Google is an online help system and I needed to find a Google Gmail Support Specialist in London, I did a search for Gmail Support near me in London and I found Keith Thomas, who was not only a Google Expert and also a Apple Mac Support Expert based in London, Genius, as the Apple Store Genius Bar told me to search online to get help, Keith Thomas did a complete review of my Gmail account and made sure it was safe and secure against any further problems

Common Gmail Problems I Help Fix

  • Apple Mail says Gmail is offline or can’t connect
  • Repeated Gmail login failures, even with correct password
  • Error 400: Invalid request when adding Gmail
  • Emails won’t send or sync in Apple Mail
  • Attachments fail or Gmail crashes unexpectedly

Onsite Gmail Help in London

I serve approved London boroughs including Fulham, Putney, Chelsea, Hackney, Mayfair, Battersea, Belgravia, Fitzrovia, Greenwich, Islington, Wimbledon, Kensington, Clapham Town, Covent Garden, Hampstead, Knightsbridge, St John’s Wood, Westminster, Canary Wharf, and London Borough of Camden.

Let’s Get Gmail Working Again on Your Mac

Whether you need a full Gmail setup or a fast fix for sync problems, I’ll come to you. No hardware repairs, no call centres — just private, software-only help for Apple users who need Gmail working properly today.

Operating Hours:

Mondays to Sundays, 7 days a week, from 09:30 to 20:30. Apple Telephone Support is available during these hours.

Call now: 07800 940756 | Contact Keith Thomas

Disclaimer: keiththomas.co.uk is an independent Apple consultancy and is not affiliated with Apple Inc. or its subsidiaries. All services are provided by Keith Thomas under the brand keiththomas.co.uk, without authorisation from or endorsement by Apple. “Apple”, “Mac”, “iPhone”, “iPad”, “Apple Store” and associated logos are trademarks of Apple Inc., registered in the U.S. and other countries. Any reference to Apple Store locations is for geographic service clarity only. Diagnostic, support, and workflow solutions offered through this site are provided independently and do not represent Apple-authorised service.

Contact Keith Thomas by Telephone: 07800 940756 or by Text to: 07800 940756, or simply complete an online website contact form 24/7

Where can I get help if Gmail is not working on my Apple Mac Computer in London?

Keith Thomas provides onsite Apple Mac Computer Support services in London for help if Gmail is not working on your Apple Mac computer, often the Gmail not working on macOS and on Apple Mac computers can be fixed and resolved quickly with onsite professional help and assistance from a Apple Mac computer expert and a Google Gmail Mac support specialist.