What Multistate Tax Commission does

The Multistate Tax Commission (MTC) is an intergovernmental state tax agency created in 1967 under the Multistate Tax Compact, an interstate compact enacted into law by member states and upheld by the U.S. Supreme Court in United States Steel Corp. v. Multistate Tax Commission (1978). Headquartered at 444 N. Capitol Street NW, Suite 425 in Washington, D.C., the MTC's stated mission is to promote uniform and consistent tax policy and administration among the states, assist taxpayers in achieving compliance with existing tax laws, and advocate for state and local sovereignty in tax policy development.

The MTC operates a portfolio of coordination and advisory services rather than a commercial technology platform. Core programs include the National Nexus Program (a multistate voluntary disclosure framework), the Joint Audit Program (coordinated multi-state corporate audits), and the Uniformity Program (development of recommended uniform state tax policies, including Article IV/UDITPA). Supporting services encompass training and education, Alternative Dispute Resolution, litigation support via amicus briefs, nexus advisory services, and the Multistate Tax Commission Review journal. The organization has no API, no AI/ML component, and no proprietary technology product; the MTC's principal technical assets are institutional — compact authority, accumulated policy expertise, and a peer network spanning state revenue agencies.

The MTC is funded by state membership assessments apportioned among member states based on revenue collected from income taxes, capital stock taxes, gross receipts taxes, and sales and use taxes, plus equal shares, per Article VI.4(b) of the Compact. Membership tiers include 15 compact states plus D.C., 10 sovereignty members, and 25 associate members — collectively reaching all 50 states at some engagement level. The Commission is governed by the heads of state revenue agencies from member states through an elected Executive Committee, with an Executive Director (currently Gregory S. Matson) and a small staff of 11-50, plus senior counsel. No private equity, venture, or individual ownership is involved; revenue is not publicly disclosed.

Name

Multistate Tax Commission

Legal name

Multistate Tax Commission

Website

https://mtc.gov

Company type

Private

Founded year

1967

Operating status

Operating

Headcount range

11–50 employees

Short description

The Multistate Tax Commission is an intergovernmental state tax agency established in 1967 that promotes uniform state tax policy, runs joint audit and voluntary disclosure programs, and supports state revenue agencies across all 50 U.S. states under the Multistate Tax Compact.

Ownership category

akta.pro rank

Product category

State Tax Policy Administration

NAICS

Other General Government Support (921190), Executive, Legislative, and Other General Government Support (921)

akta.pro primary industry

State/Provincial Taxation & Revenue Administration (BPAIABAD)

akta.pro secondary industries

Tax Policy, Legislation & Rulings (BPAIADAA), Dispute Resolution, Appeals & Tax Tribunals (BPAIADAK)

Keywords

• Interstate tax policy
• State tax uniformity
• Multistate tax compact
• Joint audit programs
• Voluntary disclosure programs

Headquarters

HQ city

Washington

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Others

Revenue model

1. State Membership Assessments: The MTC is funded through assessments apportioned among member states based on revenue collected from income taxes, capital stock taxes, gross receipts taxes, and sales and use taxes, plus equal shares. Each party State contributes based on a formula defined in Article VI.4(b) of the Multistate Tax Compact.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

The Multistate Tax Commission is an intergovernmental state tax agency that develops and recommends uniform state tax policies, coordinates joint multistate audits of corporate taxpayers, and administers a voluntary disclosure program for nonfilers through the National Nexus Program. It serves as a forum for state tax agencies to collaborate on tax policy, compliance, and enforcement while providing training, alternative dispute resolution, and litigation support to member states and multistate taxpayers.

Product overview

The Multistate Tax Commission is an intergovernmental state tax agency that provides a portfolio of coordination and advisory services rather than a commercial software product. Its core offerings include the National Nexus Program for voluntary tax disclosure, the Joint Audit Program for coordinated multistate audits, and the Uniformity Program for developing recommended uniform state tax policies. Supporting services include training programs, Alternative Dispute Resolution, litigation support through amicus briefs, and advisory committee services. The organization operates under the Multistate Tax Compact framework and does not offer a technology platform, API, or SaaS product.

Differentiator

Problem solved

Functional benefit

Products and services

• National Nexus Program (Multistate Voluntary Disclosure Program) A voluntary disclosure program that allows nonfilers to limit back-tax and penalty liability through a confidential, substantially uniform process with a single point of contact across multiple states, along with information exchange among program states.
• Joint Audit Program A coordinated audit program that allows states to perform audits of multistate corporations simultaneously, where one examination of a corporation's books and records suffices for multiple participating states.
• Uniformity Program Develops and recommends uniform state tax policies, laws, regulations, and administrative practices for corporate income, sales and use, and other major business taxes to encourage uniform taxation of multistate business activity.
• Training and Education Programs Courses and training programs covering legal, sampling, audit, and technology topics that enhance knowledge and practical skills of state and local government personnel in multistate tax administration.
• Alternative Dispute Resolution (ADR) Program A program that responds to cases of alleged duplicate taxation of a taxpayer by two or more states, providing mechanisms to resolve inter-state tax disputes.
• Litigation Support Services Supporting states engaged in major tax litigation through amicus briefs and technical assistance, filing briefs in significant state tax cases before the U.S. Supreme Court and other courts.
• Nexus Advisory Services Advisory services through the Nexus Committee on the operation of the MTC National Nexus Program, serving as a forum for exchange of information on nexus-related issues.

Quantifiable outcome

• Conducted joint audits reducing duplicative examinations for participating states and taxpayers
• +1 more outcomes

Named customers2 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Four partnerships are on record, tiered core and moderate.

• Council of State GovernmentscoreStrategic or Co-development Partner · 1 January 1966A Special Committee of the Council of State Governments held the final drafting session for the Multistate Tax Compact in November 1966. The Compact was drafted by state officials including tax administrators, attorneys general, and legislators under CSG auspices.
• Uniform Law Commission (formerly NCCUSL)coreStrategic or Co-development Partner · 1 January 1957The Uniform Law Commission drafted the Uniform Division of Income for Tax Purposes Act (UDITPA), which is incorporated as Article IV of the Multistate Tax Compact. MTC assists states in implementing UDITPA policies and works with NCCUSL on updates to the model law.
• National Governors AssociationmoderateOthersNGA works with MTC on matters of federalism and state tax policy. MTC headquarters is located in the same building with NGA for convenient coordination.
• National Conference of State LegislaturesmoderateOthersNCSL coordinates with MTC on state tax policy matters and participated in joint advocacy efforts such as the Quill Corp. v. North Dakota Supreme Court review.

Scale indicators6 records

Recent moves6 records

Expansion highlights3 records

Broad incumbents

• National Governors Association (NGA): NGA is the bipartisan intergovernmental association of U.S. governors, physically co-located with MTC at 444 N. Capitol Street NW; it coordinates with MTC on state-tax-policy and federalism matters and represents a higher-level intergovernmental peer.
• National Conference of State Legislatures (NCSL): NCSL is the bipartisan organization serving state legislators and staffs; it is a frequent coordination partner on state-tax-policy advocacy (e.g., the joint *Quill Corp. v. North Dakota* effort) and an adjacent intergovernmental policy counterpart.
• Internal Revenue Service (IRS): The IRS is the federal tax-administration counterpart to state revenue agencies that constitute MTC's membership; while federally rather than intergovernamentally organized, it sets the broader tax-policy context within which MTC operates.
• Council of State Governments (CSG): CSG is the broader intergovernmental body of all three branches of state government; its Special Committee drafted the Multistate Tax Compact in 1966 and remains a strategic partner, making CSG the parent-like policy counterpart to MTC.

Others

• American Institute of Certified Public Accountants - State and Local Tax (AICPA SALT): AICPA's State and Local Tax (SALT) section is the principal private-sector counterpart organization engaged in multistate tax practice and policy, producing practice guides and technical comments that interact with MTC's uniformity agenda.
• Multistate Associates / Multistate Tax LLC: A private-sector lobbying and government-relations firm that specifically represents clients before the Multistate Tax Commission and state tax agencies, providing an adjacent ecosystem participant that mirrors MTC's state-tax-coordination focus from the private side.

Emerging players

• Uniform Law Commission (ULC): The ULC drafted the Uniform Division of Income for Tax Purposes Act (UDITPA), which is incorporated as Article IV of the Multistate Tax Compact; ULC and MTC jointly maintain and update that model law, making ULC a co-drafting policy peer.

Direct peers

• Federation of Tax Administrators (FTA): FTA is a sister intergovernmental tax organization representing state tax agency heads; it is co-located with MTC in 444 N. Capitol Street NW and shares overlapping committees, training programs, and state-tax-administrator membership.
• Streamlined Sales and Use Tax Agreement (Streamlined Sales Tax Governing Board): The Streamlined Sales Tax (SST) agreement is the closest functional analog to MTC: an interstate compact that administers uniform sales-and-use-tax rules and a centralized registration/disclosure process for sellers across member states, governed by state tax administrators.
• Interstate Insurance Product Regulation Commission (IIPRC): IIPRC is another operational interstate compact (compact member states, governing board, member assessments) functioning as a parallel template for interstate regulatory coordination in insurance, and is structurally similar to MTC as a working compact organization.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/multistate-tax-commission

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Multistate Tax Commission