United States · Federal contract register · Supplier record

GUIDEHOUSE LLP

Line: Professional, program management and support (R408)Register loaded to September 2026Compiled 8 October 2026

GUIDEHOUSE LLP — United States · Federal contract register · Supplier record: 716 contracts, all years ($3,008,881,519 · Sep 2006 – Sep 2026); $70.2M since January 2024 (18 contracts · 3 agencies); 398th rank in the line (of 1,848 suppliers · 0.04%); 26 agencies never served ($173M on the line without GUIDEHOUSE LLP).

Assay record ASY-US-1P8S6T31RN · Cite as: Assay Systems, “GUIDEHOUSE LLP in the USAspending register”, https://assay-systems.com/register/us/guidehouse-llp/

716
contracts, all years
$3,008,881,519 · Sep 2006 – Sep 2026
$70.2M
since January 2024
18 contracts · 3 agencies
398th
rank in the line
of 1,848 suppliers · 0.04%
26
agencies never served
$173M on the line without GUIDEHOUSE LLP

Own record by year

2019 onward
$182M
$415M
$709M
$44.2M
$27.2M
$32.7M
$19.3M
$18.1M
20192020202120222023202420252026

Who buys from GUIDEHOUSE LLP

since January 2024
3agencies
$70.2Mpaid
56.0%top buyer
Department of Homeland Security56.0%
$39,317,380
Department of State44.0%
$30,851,539
Department of Defense0.0%
$0

Before 2024 only: Agency for International Development, Consumer Financial Protection Bureau, Department of Agriculture, Department of Commerce, Department of Education, Department of Health and Human Services, Department of Housing and Urban Development, Department of Justice, Department of Labor, Department of Transportation, Department of Veterans Affairs, Department of the Interior, Department of the Treasury, Environmental Protection Agency, General Services Administration, Millennium Challenge Corporation, National Aeronautics and Space Administration, National Gallery of Art, Peace Corps, Securities and Exchange Commission, Small Business Administration.

The line

since January 2024
$15.5Bline value
6,379contracts
48agencies
1,848suppliers
31.5%held by top ten

Professional, program management and support (R408)

$8.7B
$4.5B
$2.3B
202420252026Jan–Sep
398thof 1,848 suppliers
$6,247,639GUIDEHOUSE LLP in the line
0.04%share of the line
0.4%of $1,563,821,108 spent by Department of State

Agencies that buy the line and never bought from GUIDEHOUSE LLP

26agencies
166contracts
$172,857,753since January 2024
Department of Energy44 contracts
$100,854,581
National Science Foundation20 contracts
$29,442,032
National Archives and Records Administration5 contracts
$12,111,914
Smithsonian Institution39 contracts
$9,992,097
Social Security Administration5 contracts
$4,147,295
Federal Trade Commission2 contracts
$2,690,295
National Endowment for the Arts2 contracts
$2,455,000
Consumer Product Safety Commission4 contracts
$2,448,275
U.S. International Development Finance Corporation5 contracts
$1,810,751
Government Accountability Office4 contracts
$1,691,832
Pension Benefit Guaranty Corporation2 contracts
$1,040,914
District of Columbia Courts7 contracts
$924,131
Commodity Futures Trading Commission3 contracts
$695,678
Committee for Purchase from People Who Are Blind or Severely Disabled2 contracts
$535,196
U.S. Agency for Global Media3 contracts
$401,065
National Labor Relations Board2 contracts
$340,784
Nuclear Regulatory Commission2 contracts
$327,458
Selective Service System2 contracts
$297,181
Institute of Museum and Library Services2 contracts
$239,337
Equal Employment Opportunity Commission2 contracts
$207,451
National Transportation Safety Board2 contracts
$88,510
Federal Election Commission1 contract
$82,671
Court Services and Offender Supervision Agency1 contract
$12,490
National Endowment for the Humanities1 contract
$8,596
International Trade Commission2 contracts
$7,549
Merit Systems Protection Board2 contracts
$4,670

How the line is bought

by value, since 2024
24%no competition
11%one applicant
0of these to GUIDEHOUSE LLP
Competed, several suppliers applied3,830 contracts
$10,068,697,762 · 64.9%
Awarded directly, no competition1,617 contracts
$3,732,167,224 · 24.1%
Competed, one supplier applied932 contracts
$1,708,253,215 · 11.0%

Contracts reaching their end dates

Oct 2026 – October 2027
2,116contracts
$6,296,817,659end by October 2027
346end in September 2027 · $997M
50in agencies never served · $67.8M
$247M
$252M
$649M
$483M
$659M
$824M
$553M
$508M
$571M
$283M
$262M
$997M
$9.4M
Oct 26110 contractsNov 2683 contractsDec 26159 contractsJan 27118 contractsFeb 27154 contractsMar 27301 contractsApr 27173 contractsMay 27176 contractsJun 27194 contractsJul 27152 contractsAug 27145 contractsSep 27346 contractsOct 275 contracts

Suppliers next to it in the line

since January 2024
GUIDEHOUSE LLP
$6,247,639
CAVAN SOLUTIONS INC1 contract · 1 agency
$6,236,771
INAHARBOR LLC4 contracts · 1 agency
$6,193,732
MCKINSEY & COMPANY, INC. WASHINGTON D.C.1 contract · 1 agency
$6,192,363

All 1,848 suppliers in the line

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.