Skip to main contentPsst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveFree Webinar — Wednesday, September 2 at 2:00 PM EDT

Register Free →
← Back to NAICS Codes
NAICS Code· 523991

NAICS 523991: Trust, Fiduciary, and Custody Activities

This U.S. industry comprises establishments primarily engaged in providing trust, fiduciary, and custody services to others, as instructed, on a fee or contract basis, such as bank trust offices and escrow agencies (except real estate). Cross-References.Show more

NAICS 523991 – Trust, Fiduciary, and Custody Activities encompasses the administration of assets held in trust, fiduciary oversight, and custody services for government entities, public funds, and federally affiliated beneficiaries. This sector includes the management of retirement trusts, employee benefit plans, escrow arrangements, and asset safeguarding under legal and regulatory frameworks such as ERISA and federal fiduciary standards.

7
Active Contracts
$2.7M
Total Obligations (12mo)
5
Awarded Contracts (12mo)
3
Contractors Awarded (12mo)
1
Median Bidders per Award
-60.6%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 523991.

AI Industry Description

NAICS 523991 – Trust, Fiduciary, and Custody Activities encompasses the administration of assets held in trust, fiduciary oversight, and custody services for government entities, public funds, and federally affiliated beneficiaries. This sector includes the management of retirement trusts, employee ...

NAICS 523991 – Trust, Fiduciary, and Custody Activities encompasses the administration of assets held in trust, fiduciary oversight, and custody services for government entities, public funds, and federally affiliated beneficiaries. This sector includes the management of retirement trusts, employee benefit plans, escrow arrangements, and asset safeguarding under legal and regulatory frameworks such as ERISA and federal fiduciary standards. Services typically involve portfolio administration, disbursement scheduling, compliance reporting, risk mitigation, and reconciliation of holdings. While not a traditional procurement category like IT or construction, this NAICS plays a critical supporting role in the financial integrity of federal programs, particularly those involving long-term benefit obligations, endowments, or trust-funded initiatives. Its presence in government contracting is often indirect, embedded within broader financial services contracts or administered through specialized financial institutions contracted by federal agencies. No contractor data is available to identify leading firms in this NAICS code within the government contracting ecosystem. However, entities operating in this space are typically large financial institutions with trust divisions, specialized fiduciary service providers, or federally chartered custodians with demonstrated compliance capabilities. No agency data is available to pinpoint primary buyers, but demand is likely driven by agencies managing trust funds, such as the Department of the Treasury, the Social Security Administration, or the Department of Labor, particularly in programs involving pension disbursements, deferred compensation, or federal employee benefit trusts. The competitive landscape is highly regulated and characterized by low transaction volume but high compliance barriers, favoring incumbents with established fiduciary governance frameworks. Opportunities exist for contractors with expertise in regulatory reporting, digital asset custody, and audit-ready financial systems, particularly as agencies modernize legacy trust administration processes. Market entry requires deep familiarity with federal fiduciary law and strong internal controls.

Top Contractors

Companies with the highest total award value under NAICS 523991, ranked by dollars won.

Ranked by total awards

Top Agencies

Federal agencies directing the most contract spending toward NAICS 523991.

Competition

How many companies historically bid on federal awards in NAICS 523991, from bidder counts reported on USAspending.

Usually Single-Bid

Half or more of reported awards drew exactly one bidder, usually a sign of incumbent-held work rather than an open field. · 503 reported awards

Median Bidders

1

Per reported award, all-time

Single-Bid Awards

93%

Share of reported awards with one bidder

10+ Bidder Awards

0%

Share of reported awards with 10+ bidders

Reported Awards

0

97% of 517 total awards

How this code compares up the NAICS hierarchy. Parent cohorts pool every code under their prefix, so they are the steadier baseline when a 6-digit sample is thin.

Industry FamilyCompetitionMedian BiddersSingle-BidBidder MixReported Awards
523991This Code
Trust, Fiduciary, and Custody Activities
Usually Single-Bid193%
50397% of 517
52399NAICS Industry
Usually Single-Bid165%
2,52487% of 2,917
5239Industry Group
Other Financial Investment Activities
Usually Single-Bid177%
28,44095% of 30,046
523Subsector
Usually Single-Bid176%
29,54795% of 31,250
52Sector
Finance and Insurance
Usually Single-Bid171%
55,82685% of 65,508

Bidder counts reported on past federal awards in this NAICS (USAspending). An open opportunity has no bidders yet, so this is the historical norm for similar work, not a fact about this solicitation. Not all awards report bidder counts, and fewer bidders often means incumbent-held work rather than an easier win. Federal reporting of bidder counts fell from ~96% of awards (FY2016) to ~30% (FY2018 onward); the chart shows shares of reported awards, and washed-out stretches mark years with fewer than 30 of them.

Related NAICS Codes

Industries similar to Trust, Fiduciary, and Custody Activities, by shared sector, subsector, and industry group.

Explore contracts across multiple NAICS codes Browse all NAICS Codes

Ready to Win 523991 Contracts?

Transform opportunities in Trust, Fiduciary, and Custody Activities into winning contracts

Advanced search and filtering for NAICS 523991 contracts and opportunities

AI-powered contract matching based on your business capabilities and past performance

Real-time market intelligence, historical award data, and competitive analysis

Automated alerts when new opportunities are posted in your industry classification

Miguel
Hillary
Keith Deutsch
Christine

Join 650+ contractors already using CLEATUS

Dotted
NAICS 523991 FAQ

Frequently Asked Questions

NAICS code 523991 covers Trust, Fiduciary, and Custody Activities. This U.S. industry comprises establishments primarily engaged in providing trust, fiduciary, and custody services to others, as instructed, on a fee or contract basis, such as bank trust offices and escrow agencies (except real estate). Cross-References.

Recently Posted in Trust, Fiduciary, and Custody Activities

NAICS: 523991
Closed
SLED
Pension Trust Custody and Administrative Services
Solicitation # RFP-118016
The City of Fairfax is seeking qualified providers to deliver comprehensive pension trust custody and administrative services under solicitation number RFP-118016, which was posted on July 15, 2026, with responses due by July 23, 2026. The contract encompasses critical functions including custody of pension assets, detailed accounting, performance reporting, and fiduciary administrative support to ensure the secure, transparent, and compliant management of the city’s pension fund. Services must align with industry best practices and regulatory standards to safeguard participant assets and maintain accurate, timely financial records and performance analytics. The solicitation is categorized under NAICS code 523991 and issued by the State and Local Government (SLED) sector, with performance based in the City of Fairfax, Virginia. Interested vendors should direct inquiries to Patricia Innocenti at patricia.innocenti@fairfaxva.gov or 703-385-7875. The procurement process is open to all eligible parties with no specific set-aside provisions, and additional details can be accessed through the provided vendor portal link. Successful proposers will be expected to demonstrate proven experience in institutional asset servicing, strong governance frameworks, and the technological capacity to deliver integrated reporting and fiduciary oversight for public pension plans.
City of Fairfax

POSTED

about 2 months ago

CLOSED

about 1 month ago
View Details
NAICS: 523991
Closed
SLED
Texas Strategic Bitcoin Reserve
Solicitation # 908-26-1778WS
The Texas Comptroller of Public Accounts, acting through the Texas Treasury Safekeeping Trust Company, is seeking qualified entities to provide custody and liquidity services for the Texas Strategic Bitcoin Reserve, with proposals due by June 15, 2026, under solicitation number 908-26-1778WS. The contract, set to begin on September 1, 2026, with an initial three-year term and optional one-year renewals through August 31, 2032, requires contractors to deliver secure digital asset management services under stringent cybersecurity protocols, including air-gapped cold storage, multi-party computation for key management, hardware security modules, and 128-bit AES encryption across all data in transit and at rest. Compliance with NIST SP 800-63A, NIST SP 800-88, SOC 2 Type II, TX-RAMP, and FedRAMP standards is mandatory, along with adherence to Texas Government Code requirements for records retention, public information transparency, and data privacy. Contractors must maintain a public transparency website detailing reserve operations and submit a mandatory VetHUB Subcontracting Plan affirming either self-performance or good faith efforts to engage certified veteran-owned businesses, with subcontracting goals of 1.5% for commodity contracts and full documentation of outreach required. Offerors must demonstrate extensive experience in public sector digital asset management, with key personnel available for legislative testimony, and must pass rigorous background checks, including disclosure of any prior state employment within the last two years, felony convictions, or court actions, and must affirm compliance with anti-boycott laws and non-debarment status under penalty of perjury. Proposals must be submitted as searchable PDFs with hyperlinked tables of contents via email only, organized into 19 specified exhibits, and evaluated on a best-value basis, with 40% weight given to respondent qualifications and experience, 40% to the narrative and preliminary work plan, and 20% to proposed fees, with no formal contract value specified as pricing will be determined through competitive response. All performance is tied to Texas, with no FOB or physical delivery terms applicable, and contractors must provide proof of cyber, fraud, and crime insurance within five business days of award, while indemnifying the state against intellectual property claims arising from their services.
Comptroller of Public Accounts

POSTED

about 2 months ago

CLOSED

about 2 months ago
View Details
NAICS: 523991
Federal
R--Special Notice - IEEs in Specific Industries
Solicitation # DOIAFBO260086
The Bureau of Indian Affairs, within the Department of the Interior, is conducting market research to identify qualified Indian Economic Enterprises (IEEs) and Indian Small Business Economic Enterprises (ISBEEs) for potential future procurements under the Buy Indian Act. This action, identified by solicitation number DOIAFBO260086 and posted on June 30, 2026, with a response deadline of September 30, 2026, is not a solicitation or contract but a request for capability statements to inform upcoming procurement decisions. Interested parties must submit a single capability statement via email to biaq@bia.gov, including their company name, SAM.gov UEI, IEE or ISBEE certification status, applicable NAICS codes—specifically 523991—as well as details on core competencies, demonstrated experience in relevant sectors such as engineering, fiduciary, or food service, geographic service coverage, and designated points of contact. The notice is limited to entities certified as IEEs or ISBEEs, with no eligibility extended to other business types. The contracting office is located in Reston, Virginia, and while no contract value, pricing, delivery terms, or performance periods are specified, the information gathered will assist the agency in determining the availability and capacity of qualified Indian-owned businesses for future set-aside opportunities. No clauses, evaluation factors, inspection criteria, or contractual obligations are included, as this is purely a pre-solicitation effort to build a vendor database and assess market capability; submissions are voluntary and used solely for informational purposes to support future contracting actions under the Buy Indian Act.
Bureau Of Indian Affairs

POSTED

2 months ago

DEADLINE

in about 1 month
View Details
NAICS: 523991
Closed
SLED
Fiscal Agent Services
Solicitation # 60-00000-26-00068
The New Mexico Department of Finance and Administration is seeking qualified Fiscal Agents through a competitive solicitation process to provide centralized financial administration services for federally and state-funded community programs across the state. These Fiscal Agents will act as trusted intermediaries between the Department and various procuring agencies, managing the receipt, disbursement, and reporting of program funds while ensuring strict compliance with all applicable federal and state laws, regulations, and best practices in fiscal management. The selected Fiscal Agent will not assume legal or operational control over program activities but will be responsible for safeguarding funds, maintaining accurate financial records, and delivering comprehensive, transparent financial reporting to support accountability and efficiency across all funded projects. The solicitation, identified as StateOfNewMexico-60-00000-26-00068, was posted on June 25, 2026, with proposals due by 11:00 PM on July 22, 2026. All inquiries must be directed in writing to Procurement Manager Sabrina Varela, who is the sole authorized point of contact for this procurement; no other state employees or committee members may provide official responses. The Fiscal Agent services will be statewide in scope, enabling any procuring agency to access standardized financial oversight without compromising their autonomy over programmatic decisions. The goal is to strengthen financial integrity, reduce administrative duplication, and promote uniform compliance throughout New Mexico’s public funding ecosystem.
New Mexico

POSTED

2 months ago

CLOSED

about 1 month ago
View Details

Win Contracts in Trust, Fiduciary, and Custody Activities

Get AI-powered intelligence on NAICS 523991 procurement

Real-time contract opportunities for NAICS 523991 (Trust, Fiduciary, and Custody Activities)

AI-powered matching based on your business capabilities and past performance

Competitive analysis of contractors winning awards in this industry

Automated alerts when new opportunities are posted

Miguel
Hillary
Keith Deutsch
Christine

Join 650+ contractors already using CLEATUS