Lance has worked variously as Internal Auditor, Meat Marketing Board; District Accountant, Internal Revenue Service, Bolgatanga; Regional Accountant, Upper East Region; Principal Inspector of Taxes, Legon District Office, Internal Revenue Service; Deputy Head of Internal Audit, Head Office; Internal Revenue Service, Accra; Chief Inspector of Taxes, Large Taxpayer Unit, Accra; and Chief Revenue Officer, Deputy Head, Tax Audit Unit, Large Taxpayer Office, Accra.

Some of the professional assignments he has undertaken include audit of Ghana Commercial Bank Limited; audit of Newmont, Ghana Limited; audit of UT Bank; audit of Unibank; audit of Anglogold Ashanti and many more companies. He also undertook Tax Health checks on Newmont (GH) LTD, Volta River Authority, Ghana Commercial Bank and others He is a Consultant with the firm.