| 2007 | PSW Group AS is founded. |
| 2008 | We moved in to our first facility. |
| 2009 | Dalseid & Fløysand Invest invest in PSW Group. |
| 2010 | Odfjell Drilling invests in PSW Group. |
| 2012 | PSW Group AS acquires Technological Engineering Company. |
| 2013 | PSW Group acquires Nomaco Services- Surface Department. |
| 2014 | Herkules Capital acquires PSW Group. |
| 2015 | PSW Group acquires iTecSolutions UK Ltd. |
| 2016 | PSW Group acquires SEC AS. |
| 2017 | PSW Group acquires Frekvensomformer.no. |
| 2018 | Our International break-through, in the Mediterranean Sea and Brazil. |
| 2019 | Completion of new facilities at Ågotnes and State of the art BOP facilities at Mongstad. |
| 2020 | PSW Yard in Gulen, One of Northern Europe`s largest dry docks, is under construction. |
| 2022 | Scana merges with PSW Group. |
| 2023 | PSW acquires Future Energy. |
