Chartered Professional Accountants, Public Accountants. Jones & O'Connell LLP is a firm of Chartered Professional Accountants based in St. Catharines, Ontario, Canada. Our office has 2 partners and 20 professional and support staff. Our structure allows us the flexibility to serve clients in both a comprehensive and cost-effective manner. We are able to offer a broad range of services. Our core services of accounting, auditing and tax are delivered directly by our partners and staff of professionals. We also specialize in providing audit and advisory services to credit unions, public companies and other Chartered Professional Accounting firms.