Southland Data Processing, an Mpay Company
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24 companies listed · 4 in Upland · 8 open weekends · 20 rated 4.5+ · 2 show a license
Data verified October 16, 2026
The 24 companies listed for Upland, CA run payroll, filings and timekeeping for employers. Service and software details are taken from each provider's own website; ratings and quotes come from public reviews.

4 of the 24 companies we list are based in Upland; the other 20 serve Upland from towns including Rancho Cucamonga (5 mi), Pomona (7 mi) and Covina (13 mi). 23 of the companies on this page have a rating, from 4.1 to 5.0 across 680 reviews; 4 have 50 or more reviews and 20 are rated 4.5 or higher. The topics that come up most in reviews of the companies on this page are "expertise" and "knowledge". 8 are open on Saturdays. The services the companies on this page list most often on their websites are payroll services (3), bookkeeping (2), business services (2), financial statements (2) and services for individuals (2). 2 show a license on their websites and 6 have a BBB rating of A or A+. 17 have ten or more years of experience, the longest 61 years. 1 offers remote or virtual consultations; 2 offer payment plans; 6 offer a free initial consultation and 5 are family- or locally-owned. 1 has Spanish-speaking staff. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book a consultation.
All 24 companies on this page have a website on file. Most list the platforms they run and whether timekeeping, benefits administration and human resources support are sold alongside payroll. Everything stated there is the company's own description.