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


Aegis Engineering
‚ÄčOnesys are really pleased to welcome new customer Aegis Engineering to Sage Coretime.
i-Transport LLP are an independent transport planning consultancy firm specialising in development planning work across the UK and Isle of Man for both private and public sector clients. 
Sage Coretime version 3.3 is released
The latest version of Sage Coretime has now been released. The new version 3.3 includes a number of product enhancements and updates. You can find out more at Sage Coretime v3.3.
P&S Consulting Engineers Ltd
P&S Consulting Engineers Ltd are an award winning independent firm of consulting engineers with a reputation within the construction industry for achieving the highest standards in service, quality, innovation, technical excellence and value for money.
Rural Solutions
Onesys are excited to welcome a new local customer to their base, Rural Solutions of Skipton. Rural Solutions have purchased a 24 user Coretime system and will be getting their project underway towards the end of June.

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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