Profile


Walter G. Sinclair, RTRP is the founder and sole proprietor of Sinco Data Processing Systems specializing in income tax preparation and bookkeeping. Walter has prepared income tax returns since 1986. Many of his clients have been with him over twenty years as they transition through a variety of changes. He works with them to plan ahead and make proactive changes. Most tax saving moves can only be made before accounting year-end. So clients are encouraged to call or email Walter during the year to discuss options and opportunities.

As a business owner Walter has first-hand experience with operating a small business. Clients contact him year round with questions.

Walter is a member of the National Association of Tax Professionals and an authorized IRS e-file provider.