Ollis & Co is an experienced and proactive firm of Chartered Accountants and Registered Auditors based in Leamington Spa, Warwickshire Ollis & Co. Chartered Accountants & Registered Auditors, Leamington Spa UK Ollis & Co is the trading name of The Ollis Partnership Limited We can provide a complete accountancy solution tailored to your individual needs and offer a comprehensive portfolio of support services for the established and expanding business