About Coretime

Turning time into profit since 1993 - built on a lifetime of software reliability. Our mission is simple: make it effortless to capture time, understand profitability, and get invoices out accurately and on time.

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Our promise to you

We believe software should outlast the trends. By keeping our development and support entirely in-house, we guarantee that Coretime remains stable, secure and tailored to the unique rhythms of Professional Services teams

Built for the long run

Deep native integrations with Sage, Xero and QuickBooks built by our own team

Rooted in expertise

We operate honestly, delivering clear solutions and reliable advice our clients can trust.

People first support

Real software experts answering the phones to resolve queries efficiently

History of coretime

1993

1993

Coretime is born

Coretime started life in Ireland as a desktop app called Tempus Pro.

2002

2002

Coretime goes in to the Cloud

New browser-based version is launched

2002

2002

Onesys becomes Coretime UK Business Partner

Exclusive rights to sell Coretime into the UK

2004

2004

Sage Ireland Acquires Coretime

Onesys continues as UK Business Partner

2020

2020

Onesys Acquires Coretime

Becomes Coretime Software Limited

2020

2020

Coretime Reborn

Product is re-engineered and functions added, including:
CRM
Leave Management
Mobile App
Purchase Order Management
Resource Management

Engineering consultant analysing design plans while using Coretime to improve project management, resource planning and productivity.
Coretime using 3 variations of dashboards including resource manager, and invoice manager

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Coretime app on phones