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Watch our introduction...

Watch our introduction

Landmark Systems Ltd

Landmark is a company committed to providing computerised solutions for businesses including farms, private estates, property management, letting companies and land agents.

Accounting and property management software is supplied to our UK client base with consultancy, set up and training carried out by our Sales and Training team on-site.  In West Sussex we have dedicated telephone support help lines for office hours problem solving.

In January 2015 Landmark Systems Limited was acquired by Isagri, a privately owned French software company. Founded in 1983, by Jean-Marie Savalle, Isagri specialises in farming and rural business management software, and operates in 12 countries with 115,000 users and has 1,400 employees worldwide.



KEEP UP, KEEP IN TOUCH - DON'T GET PENALISED FOR NON-COMPLIANCE ON MTD NEXT YEAR....We have been working closely with HMRC to help make digital VAT submission easy and we are delighted to be a recognised supplier of Making Tax Digital (MTD) compliant software. If you are worried about MTD and would like to know more about the options from Landmark please contact us.

Latest News:

Landmark Charity Christmas Jumper Day Raised £145 Read more


Landmark Attends 10 Downing Street Read more

We are delighted to be a HMRC recognised supplier of Making Tax Digital (MTD) compliant software. Read more

New Faces at Landmark Systems as team expands Read more

Following recent Windows updates you may encounter issues logging into KEYPrime. Read more

MTD is definitely going ahead despite the ‘Doubting Thomas’ view that it would be further postponed. Read more

Landmark's Marathon Star, Annabel James completes 2018 London Marathon Read more

Lamma 2018 Press Release re: Geofolia Read more

Making Tax Digital for Business has been amended to ensure businesses have plenty of time to adapt to the changes. Read more

A series of occasional articles from professional users of Landmark's KEYPrime software in the rural business sector. Read more

Change Windows Time and Date Format after Windows 10 upgrade Read more

Have you considered upgrading to KEYPrime yet? Read more

Accounts Software

Looking for real business value from your accounting software? The KEYPrime accounts range is designed to generate fast, accurate performance data.

Accounts Software

Property Management Software

Are you trying to get away from complicated, laborious management systems? KEY Property helps you to take greater control of your portfolio.

Property Management Software

Rural Business Software

The leading supplier of software for rural business our IT solutions have developed through listening to clients.
Are you a KEY player?

Rural Business Software