Sage Coretime

Timesheet and Project Management software for professional services


Sage Coretime timesheet software helps you easily manage timesheets, expenses, billing and projects and helps free up time so you can manage your business. Sage Coretime is online timesheet software which is quick and easy to use and can be used anytime, anywhere, so both office-based staff and staff working remotely have easy access. Sage Coretime gives you complete project visibility and accurate, real time data to help you manage your projects effectively.

For businesses looking to improve efficiency, Sage Coretime is a tried and trusted solution that can also be integrated with Sage 50 and Sage 200 Accounts. It eliminates double-entry of timesheets, improves accuracy and speeds up billing cycles.

Onesys is the number one specialist supplier of Sage Coretime timesheet software in the UK. We have successfully installed Coretime in over 400 businesses. Our clients include Engineering & Environmental Consultants, Architects, Surveyors, Building & Construction and many other businesses who charge out staff time as a professional service or who need to provide auditable timesheets for funded research based projects.


Find out if Sage Coretime is right for you ...

By Solution
"I need help with..."
  • Timesheets and Expenses
  • Project Management
  • Project Profitability
  • Budgetary Control
By Solution
"I want a solution suitable for..."
  • Small to Medium Sized Organisations
  • Large Organisations
  • Multi-Nationals
By Solution
"I want a solution for my industry..."
  • Architects
  • Engineers
  • Financial/Management
  • Marketing/PR/Design
  • Surveyors...
By Solution
"I want a solution for..."
  • Office Administrators
  • Project Managers
  • Finance Directors
  • Managing Directors


Sword Group
Sword Group are the newest recruit to join Sage Coretime!
​LRM Planning Limited
LRM Planning Limited choose Sage Coretime!
Energy Systems Catapult
Energy Systems Catapult are the UK’s technology and innovation centre set up to support companies and Government in developing products and services to address the new commercial opportunities created by the transformation of UK and global energy systems.
​Spectra Group (UK)
Spectra Group (UK) is a leading international solutions provider of secure voice, data and satellite communications, in locations with limited or compromised infrastructure. 
​Shaw & Company Chartered Surveyors
Shaw & Company Chartered Surveyors have over 25 years experience in the industry and specialise in providing building surveying and professional services throughout south west London, Surrey and Middlesex. 

Client Testimonial

“We now have a wealth of project data in Coretime which not only provides us with valuable management information to help us with our day to day job but also gives us business intelligence which we can use for forward planning.”

Simon Parker, Partner
Seven Architecture >>

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