United States · Federal contract register · Supplier record

MAYER BROWN LLP

Line: Professional, legal (R418)Register loaded to September 2026Compiled 17 October 2026

MAYER BROWN LLP — United States · Federal contract register · Supplier record: 49 contracts, all years ($12,476,463 · Aug 2006 – Aug 2026); $9.6M since January 2024 (33 contracts · 1 agency); 20th rank in the line (of 954 suppliers · 0.76%); 46 agencies never served ($1.2B on the line without MAYER BROWN LLP).

Assay record ASY-US-0HDMW8W1GS · Cite as: Assay Systems, “MAYER BROWN LLP: 33 government contracts in the United States since 2024”, https://assay-systems.com/register/us/mayer-brown-llp/

49
contracts, all years
$12,476,463 · Aug 2006 – Aug 2026
$9.6M
since January 2024
33 contracts · 1 agency
20th
rank in the line
of 954 suppliers · 0.76%
46
agencies never served
$1.2B on the line without MAYER BROWN LLP

Own record by year

2021 onward
$174K
$107K
$1.5M
$2.8M
$3.7M
$3.1M
202120222023202420252026

Who buys from MAYER BROWN LLP

since January 2024
1agencies
$9.6Mpaid
100.0%top buyer
U.S. International Development Finance Corporation100.0%
$9,585,139

Before 2024 only: Department of Housing and Urban Development, Overseas Private Investment Corporation, U.S. Agency for Global Media.

Won without a rival

2023-10-20 – 2026-08-31
18uncontested awards
44%of its awards
1without a competition
17single bid

MAYER BROWN LLP won 18 of its 41 public contract awards in United States without a rival from 2023-10-20 to 2026-08-31, worth $6.1M: 1 without a competition and 17 after a competition that drew a single bid. 1 buyer awarded it without a rival, the largest U.S. International Development Finance Corporation with 18.

Buyers: U.S. International Development Finance Corporation (18)

Every uncontested award of MAYER BROWN LLP · United States: all uncontested awards

The line

since January 2024
$1.3Bline value
3,942contracts
49agencies
954suppliers
65.1%held by top ten

Professional, legal (R418)

$364M
$566M
$340M
202420252026Jan–Sep
20thof 954 suppliers
$9,585,139MAYER BROWN LLP in the line
0.76%share of the line
25.4%of $37,667,309 spent by U.S. International Development Finance Corporation

Agencies that buy the line and never bought from MAYER BROWN LLP

46agencies
3,766contracts
$1,229,516,316since January 2024
Department of Health and Human Services284 contracts
$567,277,181
Department of Justice1,347 contracts
$344,876,172
Department of Defense195 contracts
$67,917,967
Equal Employment Opportunity Commission385 contracts
$39,389,278
Department of Veterans Affairs119 contracts
$23,443,253
Federal Trade Commission1 contract
$23,393,531
Department of State295 contracts
$21,399,719
Export-Import Bank of the United States63 contracts
$17,013,437
Department of Homeland Security551 contracts
$16,562,021
Department of Education29 contracts
$15,280,741
Department of Agriculture112 contracts
$14,333,427
Department of Energy31 contracts
$13,955,346
District of Columbia Courts6 contracts
$13,111,632
Department of Transportation76 contracts
$10,753,512
Department of the Treasury69 contracts
$9,477,251
Pension Benefit Guaranty Corporation12 contracts
$5,840,816
Securities and Exchange Commission6 contracts
$3,857,485
General Services Administration7 contracts
$3,242,899
Department of Labor53 contracts
$2,748,607
Environmental Protection Agency5 contracts
$1,803,164
Social Security Administration4 contracts
$1,551,324
Executive Office of the President4 contracts
$1,485,338
Department of the Interior13 contracts
$1,304,165
Nuclear Regulatory Commission5 contracts
$1,271,551
Department of Commerce24 contracts
$1,238,624
Government Accountability Office6 contracts
$1,141,913
National Science Foundation1 contract
$858,089
Millennium Challenge Corporation2 contracts
$644,630
United States Chemical Safety Board3 contracts
$631,217
Agency for International Development10 contracts
$615,537
Federal Election Commission1 contract
$518,932
Consumer Financial Protection Bureau4 contracts
$418,517
Smithsonian Institution9 contracts
$366,526
Occupational Safety and Health Review Commission4 contracts
$349,684
National Endowment for the Humanities3 contracts
$299,000
International Trade Commission3 contracts
$239,191
Selective Service System3 contracts
$166,770
Peace Corps1 contract
$158,784
Court Services and Offender Supervision Agency3 contracts
$147,323
Defense Nuclear Facilities Safety Board1 contract
$86,050
National Archives and Records Administration7 contracts
$74,836
National Aeronautics and Space Administration4 contracts
$68,686
Small Business Administration2 contracts
$62,454
Merit Systems Protection Board1 contract
$58,545
Federal Communications Commission1 contract
$50,400
National Gallery of Art1 contract
$30,794

How the line is bought

by value, since 2024
28%no competition
36%one applicant
0of these to MAYER BROWN LLP
Competed, one supplier applied1,042 contracts
$455,831,364 · 35.9%
Competed, several suppliers applied1,099 contracts
$454,750,581 · 35.8%
Awarded directly, no competition1,801 contracts
$358,612,582 · 28.3%

Contracts reaching their end dates

Oct 2026 – October 2027
889contracts
$512,672,945end by October 2027
110end in July 2027 · $57.2M
855in agencies never served · $504M
$3.9M
$9.8M
$38.9M
$8.2M
$168M
$36.1M
$8.7M
$58.8M
$46.4M
$57.2M
$15.8M
$61.3M
Oct 2622 contractsNov 2641 contractsDec 2693 contractsJan 2767 contractsFeb 2762 contractsMar 2791 contractsApr 2763 contractsMay 2772 contractsJun 2788 contractsJul 27110 contractsAug 2772 contractsSep 27108 contracts

Suppliers next to it in the line

since January 2024
MADISON ASSOCIATES INC1 contract · 1 agency
$10,113,000
PCI GOVERNMENT SERVICES LLC1 contract · 1 agency
$9,900,000
MAYER BROWN LLP
$9,585,139
RELX INC.13 contracts · 5 agencies
$9,423,660

All 954 suppliers in the line

Fastest-growing supplier in the line

same line
+33%growth

Supplier UEI JENBF1KKWZ93

2024 to Sep 2026
$157,243,183
2022–2023
$118,203,421

The extract

Every buying office, every contract holder, value, number and end date behind the figures above.

Request extractSee a sample extract

Source: USAspending.gov, U.S. Department of the Treasury, Bureau of the Fiscal Service, usaspending.gov, accessed 30 September 2026.The data is available to copy, adapt, redistribute, or otherwise use for non-commercial or for commercial purposes (USAspending.gov, Licensing); no Dun & Bradstreet data is shown.