About us
Independent accountants in York
A small, AAT-licensed practice at Blake House on Blake Street, helping limited companies, sole traders, landlords and tradespeople across York and North Yorkshire.

“Straight answers, quick replies and no fuss. That’s the service I’d want myself.”
Mike, Founder · AAT Licensed Accountant
About MCO
A small practice with 30+ years’ experience
MCO Accountancy is run by Mike, a qualified AAT Licensed Accountant who has spent more than 30 years helping limited companies, the self-employed and owner-managed businesses keep their accounts in order and their tax bills down. The practice was set up to offer the kind of service every business owner deserves: straight answers, quick replies and no fuss.
From our office at Blake House on Blake Street, in the heart of York, we look after limited companies, sole traders, landlords and tradespeople across York and North Yorkshire.
- AAT Licensed Accountant
- Xero partner
- QuickBooks partner
- Sage partner
- QuickFile partner
Consultancy too. Beyond the accounts, Mike works with owners on a consultancy basis: building a business up ready for sale, reviewing costs to improve profit, and planning for growth. Just ask when we chat.
How we work
What working with MCO is like
Fixed monthly fees
One monthly fee, agreed up front and paid by Direct Debit. Anything outside your package is priced and agreed with you first.
Cloud software
We work with Xero, QuickBooks, Sage and QuickFile, so your records stay up to date and we can spot problems early.
Plain English
We explain what you need to know, what you need to do and by when. No jargon.
Switching is easy
Moving to MCO takes three simple steps
1
An informal chat
Tell us about your business over a coffee or on the phone. No jargon, no obligation.
2
Fixed quote in writing
Shortly after our chat, so you know exactly what you’ll pay.
3
We handle the switch
We contact your old accountant and HMRC, so you don’t have to.
What our clients say
Trusted by York business owners
MCO is a very safe pair of hands. Recommended!
Mike M · IT contractor
We are feeling so much better about our accounts now.
Michelle D · Construction business
Always there at the end of the phone for advice when needed.
Jo C · Drama school
Ready for an accountant who keeps things simple?
Book an informal, no-obligation chat. We’ll give you a fixed monthly quote in writing.