CORE El Centro: Detailed Company Information & Corporate Profile
Summary
Founded in 2002, CORE El Centro is an independent bookkeeping firm headquartered in Milwaukee, Wisconsin, serving the Milwaukee Metropolitan Area.
With a team of 10 to 50 professionals and annual revenue between $10 million and $50 million, the company operates under SIC code 8300, reflecting its focus on accounting services.
The leadership roster includes CEO Kari Southern, Co‑Executive Directors Jayne Ader and Madeline Gianforte, Director of Strategic Advancement Holly Greiten, and Board members Bobbie Schmitt and Sue Denzine. Additional key staff feature roles such as Assistant Childcare Coordinator Katrina Cook and Licensed Massage Therapist Suzanne Seilers.
| CORE El Centro Website | core-elcentro.org |
| Social Links |    |
| Phone Number | 414-384-2673 |
| Industries | |
| CORE El Centro Headquarters Address | 130 W Bruce St, Milwaukee, Wisconsin, 53204 US |
| Company Size | 10-50 employees |
| SIC Code | 8300 |
| DMA Code | Milwaukee Metropolitan Area |
| Founded | 2002 |
| Estimated Annual Revenue | $10M - 50M |
| Operating Status | Independent Company |
| Updated: | 2026-09-25 |
Competitors
Name | Founded | Type | Employees |
|---|---|---|---|
| 2005 | Nonprofit | 25 - 100 | |
| 1989 | Nonprofit | 10-50 |
Estimated Website Traffic
The chart shows a decline in traffic to the core-elcentro.org website. In September, traffic decreased to 3432, compared to 4136 in the previous month. The highest traffic in 2026 was recorded in August, reaching 4136 visits.
Workforce Turnover
Length of Employment
CORE El Centro's workforce includes employees across a wide range of tenure levels.
17% have been with the company for 3 to 4 years8% have been with the company for 5 to 7 years33% have been with the company for 8 to 10 years42% have been with the company for more than 11 years
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CORE El Centro Corporate Information: FAQ
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