Federal contractor · GENEVA, IL

ROBERT COSTELLO ARBITRATION SERVICES, LLC

ROBERT COSTELLO ARBITRATION SERVICES, LLC received -$10.9K in federal contract obligations in FY2026, on 3 awards. Since FY2021: $46K. Its largest customer was Internal Revenue Service (-$10.9K).

Obligations · FY2026: -$10.9K
New awards: 3
Sole-source: —
Single offer: —

UEI: JL6CA4KH1815

Small business

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Spending by fiscal year

Obligations per federal fiscal year (October–September).

7.5KFY2021
-7.5KFY2022
10.5KFY2023
48.2KFY2024
-1.8KFY2025
-10.9KFY2026

Top buying agencies

Obligations in FY2026.

Internal Revenue Service-$10.9K0.0%
3 awards

What was bought · Where the work was performed

Obligations in FY2026.

What was bought

Where the work was performed

Integrity signals

Shares of the year's obligations, next to the country's.

Agencies awarding it sole-source contracts

Internal Revenue Service-$10.9K
Department of the Treasury · 1 awards

Largest awards

THE IRS REQUIRES THE SERVICES OF AN ARBITRATOR IN CONNECTION WITH LITIGATION.$7,875
Internal Revenue Service· Kane County, IL· Professional services· Jan 29, 2026 – Feb 2, 2026· 2023H226P00160
THIS REQUIREMENT IS FOR COURT REPORTER SERVICES FOR AN INTERNAL REVENUE SERVICE ARBITRATION HELD ON 07/23/24 - 07/25/24 TO COMPLY WITH STATUTORILY AUTHORIZED COLLECTIVE BARGAINING AGREEMENT.$5,413
Internal Revenue Service· Dallas County, TX· Professional services· Jun 20, 2024 – Aug 28, 2026· 205AE924P00152
ARBITRATOR SERVICES ARE REQUIRED FOR AN INTERNAL REVENUE SERVICE ARBITRATION HELD ON 2/25/2025-2/27/2025 TO COMPLY WITH THE STATUTORILY AUTHORIZED COLLECTIVE BARGAINING AGREEMENT.$2,250
Internal Revenue Service· Kane County, IL· Professional services· Jan 23, 2025 – Apr 22, 2026· 2043FY25P00139

Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 7, 2026, loaded Oct 7, 2026.