Grow Your Profit And Take Control Of Your Finances With A Proactive Accountant That Understands YOUR Business

Work with us

At Mapus-Smith & Lemmon we are more than just your standard “compliance” accountants. Our proactive approach helps you to stay on top of your numbers and get ahead of your deadlines, giving you all the information, advice & reports you need to keep developing your business.

Exceptional Quality

Exceptional quality control and clear, easy to understand pricing that gives you peace of mind.


A professional and proactive service that you can rely on to keep you a step ahead and give you what you need, when you need it.

Dedicated Accountant

A dedicated accountant who will get to know you and your business and create a solution that’s right for you.

Clear Communication

Highly qualified staff that will communicate in terms you understand. They’re experienced in helping established businesses to grow and start-ups to get started.


Whether you’re unhappy with your current accountant or you’ve just outgrown them, Mapus-Smith & Lemmon would love to hear from you. We promise you a professional, reliable and transparent service, provided by highly qualified accountants that really “get” you and your business and are dedicated to helping you stay compliant and grow!


At Mapus-Smith & Lemmon we understand that your business is unique. That’s why you get a dedicated accountant who will get to know you and your business personally, so they can create an accounting solution that will work best for you.

Whether you’re a well-established business or a start-up, having a great accountant is essential if you want to succeed in developing your business. Your dedicated accountant will work proactively with you to identify opportunities, to ensure all compliance deadlines are met and be available to answer your questions and offer you advice when you need it.

  • Remind you of deadlines and keep you one step ahead
  • Keep you up to date with filing requirements of HMRC and Companies House
  • Advise you of changes HMRC make that will affect you
  • Help you with cash flow planning and projections
  • Help make sense of your finances
  • Identify growth areas in the business and alert you to areas to improve

What our Happy clients Think of us


With Mapus-Smith & Lemmon we have one simple objective. To help you grow your profit and take control of your finances. Our clear, transparent pricing allows you to budget for your accountancy costs and make sure you get the help and support you need without any surprise bills at the end of the year.

Find Out More About Our Fees


With HMRC's move towards real time accounting it’s now more important than ever to get an online cloud based system (such as Xero, QuickBooks, Clearbooks etc.) in place. Cloud based accounting gives you a huge advantage. You can monitor your accounts in real time, allowing you to access your figures and reports at any time.

Although we have our own cloud based solution, unlike many other accountants we don’t insist on one specific software. If you’re already cloud based we can work with your existing software or if you’re new to the cloud, your dedicated accountant will be able to

Find out more


Our free App has useful calculators for payslips, loan repayments, dividend versus salary and much more. It is also possible to use the receipt manager to photograph receipts or parking tickets and then categorise the expense or send it straight to us.

The App has a useful mileage tracker which can be used to record journeys at the touch of a button. This information can then easily be stored and sent to us to support business mileage claims.Our client portal is available online via our website. Clients can electronically approve documents. This can be particularly useful if a filing deadline is

Find out more

Meet our partners

Michael Jay

Michael Jay

Michael qualified in 1987 with a large East Anglian practice. After working in industry for a multi national business, Michael joined Mapus-Smith & Lemmon in 1990, and was admitted a member of the partnership in 1993.

Read More
Paul Farrow

Paul Farrow

Paul joined Mapus-Smith & Lemmon in 1988 as a trainee and qualified as an Accounting Technician in 1994, as a Chartered Certified Accountant in 1999 and was admitted a member of the partnership in 2006.

Read More
Jason Hall

Jason Hall

Jason joined the practice in 1990 as a trainee. Jason qualified as an Accounting Technician in 1993 and as a Chartered Certified Accountant in 1997, later becoming a fellow member and also a member of the Institute of Chartered Accountants in England and Wales. Jason was admitted a member of the partnership in 2006.

Read More
Sharon Edwards

Sharon Edwards

Sharon qualified as a Chartered Accountant in 2000 with a large practice. She joined Mapus-Smith & Lemmon in 2007, and was admitted as a member of the partnership in 2010.

Read More

Latest News & Updates

The latest news and expert advice from Mapus-Smith & Lemmon chartered accountants

Our offices

King's Lynn

48 King Street, King's Lynn,
Norfolk PE30 1HE

  01553 774761

Monday to Friday 8.45am to 5pm

  Click here to view map of our King's Lynn office

Downham Market

23 London Road, Downham Market,
Norfolk PE38 9BJ

  01366 383300

Monday to Friday 8.45am to 5pm

  Click here to view map of our Downham Market office


30 Old Market, Wisbech
Cambridgeshire PE13 1NB

  01945 427050

Monday to Friday 8.45am to 5pm

  Click here to view map of our Wisbech office