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Zenith Economics conducts economic and fiscal impact studies for government agencies, including state departments, county and city agencies, public pension systems, ports, airports, and public colleges. Below is the information that procurement and contracts staff usually ask for when they bring on a consultant. For contracting questions, email business@zenithecon.com or call (909) 206-3833.
Certifications and registrations
| California small business | Certified Small Business (Micro), California Department of General Services. Certification ID 2039417. Verify on the Cal eProcure supplier search. |
|---|---|
| California Secretary of State | Zenith Economics, LLC. Business ID 202462017871. Certificate of status available on request. |
| Business license | City of Los Angeles, 0003481368-0001-5 |
| California payee data | We complete the STD. 204 Payee Data Record for California state agencies. |
| Federal registration | Unique Entity ID (UEI) QD3GLQNV6M51. CAGE code 101Q7. |
| Staff credentials | Samuel Maury-Holmes and Johnathan Cahill are IMPLAN Certified Economist Professionals (ICEP), listed in IMPLAN's certified economist directory. |
Contract types
Most of our studies are fixed-fee. Our proposal sets the scope, schedule, and fee before any work starts.
We also work under master agreements and on-call contracts. For each work order under a master agreement, we send back the staff, schedule, and a not-to-exceed cost based on the contract rates within three business days.
We can also join a project as a subconsultant. For The Cheech in Riverside, for example, we did the economic impact analysis for Boules Consulting.
On California state contracts, we bill travel at California Department of Human Resources (CalHR) rates. When a contract sets a goal for disabled veteran business enterprise (DVBE) participation, we can team with a certified DVBE firm.
How we respond to a request for proposals
We respond to formal requests for proposals (RFPs) and requests for qualifications (RFQs), as well as informal requests for a quote. For informal requests, we send a proposal with a scope of work, a schedule, and a fixed fee within 48 hours.
The staff named in our proposal are the staff who do the work, and we change staffing only with your written approval. Once a contract is in place, we answer questions within one business day.
Each proposal includes:
- the scope of work, the economic model and the study areas
- the names, roles and resumes of the staff
- a schedule with each deliverable
- the fee, or the rates for a master agreement
- examples of published studies
- a disclosure of any conflict of interest
- the forms that your agency requires
If you are drafting an RFP for an economic impact study, our guide to writing one includes sample scope language.
Select public-sector studies and research
| Agency | Work | Year |
|---|---|---|
| Montana Department of Transportation | Economic impact of 75 public-use airports | 2026 |
| Los Angeles County Employees Retirement Association (LACERA) | Economic impact of pension benefit payments, awarded through an RFP | 2026 |
| Crowder College | Economic impact and return on investment | 2026 |
| Port San Antonio | Economic impact of the port and its tenants | 2025 |
| Southern California Association of Governments (SCAG) | Panelist, Quarterly Economic Roundtable | 2026 |
For fees, timelines and models, see our firm facts page.