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Client Portal

If you need to access documents or submit information to us, this is the place to do it safely and securely. Our website uses an encrypted, secure connection, so you can be sure that any information you submit to us – or that we save here for you to view – will only be visible to you and your accountant.

If you’re having trouble logging in or using the system, please don’t hesitate to contact us.


What is Onvio? In a nutshell, it’s an online system which allows us to securely exchange documents and information with you. Designed to be easy to use and accessible on any device with an internet connection, it makes it straightforward to access crucial documents, review them and ‘E-sign’ them (this applies to the likes of tax returns or annual accounts).

The data stored on Onvio is extremely secure; provided by Thomson Reuters, the system uses highly advanced Amazon Web Services (AWS) servers and uses ‘bank-level’ encryption and security measures. As all of your documents are stored ‘in the cloud,’ your records will be safe from damage and can’t be lost. A mobile app version is also available, allowing you to photograph documents and send them to us with ease. Simply sign in to the client centre opposite to view your account.

Download the customer guide and introduction factsheet for more information about Onvio.

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Our Services

Find out more about the services we provide and how McIntyre Stuart can help your business.


Getting the financial basics right is paramount when running a successful business. We’ll keep your bookkeeping in good order, ensuring accurate data input and easy access to the information you need.


With McIntyre Stuart, managing your employees’ payroll couldn’t be easier. We’ll set-up your new starters and ensure everyone receives their pay slips on time.

Tax Compliance

Staying tax compliant is something all business owners should take seriously. Sending incorrect information, or missing a deadline could leave you with a penalty. Our efficient accountants will manage your tax reports so you never miss a beat.


Ensuring data entry is up to date and accurate means we can produce your VAT reports on demand.

Making Tax Digital

The future of tax is digital and we can help set-up your tax reports in this format so you don’t have to.

Why You Should Choose McIntyre Stuart

Over 25 Years in The Industry

Experts in Making Tax Digital

Specialist Construction Accountants

A Completely Bespoke Service Everytime

QuickBooks Certified Accountants