Cornwall Council is investing in an Oracle ERP system, which it estimates will save £20m over the next five years.
Capgemini will implement the Oracle ERP system across the council in a £7m fixed-price contract over the next 15 months. The system will replace the council's previously paper-based processes.
Michael Crich, Cornwall Council's corporate director, said the ERP system will modernise the council's processes to bring it in line with other large councils across the country.
"It will also help us to make considerable savings that will reduce the overall running costs of the council, leaving more money for front-line services."
Of the 150 largest councils in the UK, 130 use ERP systems from Oracle or SAP.