| 1981 | Sage founded in Newcastle-upon-Tyne |
| 1989 | Listed on the London Stock Exchange |
| 1991 | Sage enters the US market |
| 1992 | Sage enters the French market |
| 1999 | Sage enters the Portuguese and Swiss markets |
| Becomes part of the FTSE 100 | |
| 2000 | Reached 2 million customers worldwide |
| 2003 | Enters 7 new markets |
| 2005 | Enters the Polish market |
| 2007 | Surpassed 5 million customers worldwide |
| 2009 | Surpassed 6 million customers worldwide |
| 2012 | Enters the Brazilian market |
| Donald Brydon becomes chairman | |
| 2015 | Sage transforms the future of business payments with Salary and Supplier Payments |
| 2017 | Sage announces strategic partnership with Fairsail |
| Sage announces the acquisition of Intacct | |
| Sage introduces Sage Business Cloud | |
| 2018 | Appointment of Steve Hare as group chief executive officer |
| 2019 | Sage awarded Business Superbrand status for 2019 |
| Acquisition of AutoEntry |
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| Acquisition of CakeHR, now SageHR |
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| Launch of Sage Intacct in UK & Australia |
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| 2020 |
Launch of Sage Intacct in South Africa |
| Sage announces minority investment in Brightpearl |
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| 2021 | Sage announces minority investment in Countingup |
| Sage acquires Task Sheriff |
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| Sage announces partnership with Tide |
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| Sage acquires Brightpearl | |
| 2022 | Sage acquires Futrli |
| Sage expands partnership with Microsoft | |
| Sage acquires Lockstep | |
| Sage acquires Spherics | |
| 2023 | Sage acquires Corecon |
| Sage acquires BidMatrix | |
| Launch of Sage Intacct in France | |
| Sage Intacct Payroll expands into Canada | |
| Integration between Sage Intacct, Sage Payroll and Sage HR in South Africa | |
| Sage introduces Sage Active in continental Europe | |
| 2024 | Launch of Sage Copilot, Sage's first generative AI-powered assistant |
| Sage acquires Infineo | |
| Sage acquires Anyvl | |
| Sage acquires ForceManager |