Information Center

Welcome to our information center! Feel free to bookmark our online guides, download white papers, sign up for webinars, and find links and contact information for state authorities.

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Comprehensive Guides
White Papers
License Library^™
Secretary of State Filings
Tax Registration and Exemption
Resources by State
Reference Resources

Featured
Formation
Expansion
Maintenance

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Foreign Qualification Guide

Learn how to expand operations by obtaining a certificate of authority.

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50-State Architecture Licensing Compliance

Navigate nationwide requirements for licensing firms and individuals.

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50-State Engineering Licensing Compliance

Navigate nationwide requirements for licensing firms and individuals.

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Fundraising Compliance

Learn how to stay compliant with charitable solicitation laws.

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Business Compliance

Learn how to maintain corporate good standing and preserve limited liability protection for your business.

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Start a Nonprofit

Learn how to start a nonprofit corporation and obtain 501(c)(3) tax exemption.

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Start a Business

Learn how to start an LLC, corporation, or other for-profit enterprise.

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LLC Startup Guide

Learn how to start your LLC including organizing, registering for taxes, and starting records.

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Nonprofit Compliance Guide

Learn how to maintain your nonprofit's fundraising licenses, annual reports, and more.

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Sales Tax Compliance Guide

Learn how to register your business for sales and use tax.

Featured
White Papers
Webinars
Downloads
Email Series
Case Studies

Webinar

Maintaining Multi-State Compliance in 2023 and Beyond

Have recent trends led your business to expand into new states? Find out how to manage compliance as your footprint grows.

Webinar

State Charitable Registration Webinar

Did you know that nonprofits must register to fundraise in more than 40 states? Learn what you need to know to run a compliant, successful campaign.

Webinar

Licensing for Design and Construction Firms

How can architecture, engineering, and construction firms manage professional licensing more effectively? We offer strategies to handle the complexity of multi-state licensing requirements specific to AEC firms.

Reference

Annual Reports: The Ultimate Guide

This user-friendly quick reference details annual report requirements and deadlines in all 50 states.

White Paper

Charitable Solicitation Compliance

Does your nonprofit have to register with your state before fundraising? Learn everything you need to know with our comprehensive guide.

White Paper

Business Licensing Compliance

What licenses are required to operate your business? We’ve put together all the resources you need to keep your business compliant.

White Paper

Online Fundraising Compliance Guide

State charitable solicitation registration is mandatory but can be challenging to understand. Learn what nonprofits need to know about online soliciting.

White Paper

Engineering Licensing: The Definitive Guide

Get insider tips for maintaining active engineering firm licenses through common challenges and milestones.

White Paper

Managing Business Licensing to Maximize Returns

Find out how to use strategic compliance to position your company for stability and growth.

White Paper

Charitable Solicitation Registration - Navigating the Complexities

State fundraising is complex. Find out the requirements to keep your nonprofit on a course for success.

White Paper

How Compliance Affects Grantseeking

Learn what grant makers and grantseekers need to know to ensure compliance.

White Paper

Cause Marketing Compliance

Considering cause marketing? This white paper breaks down state requirements and provides strategies for a successful campaign.

White Paper

Engineering Licensing for Profitability, Agility, & Growth

How small and mid-sized firms can manage licensing effectively to serve their businesss goals.

Webinar

State Charitable Registration Webinar

Did you know that nonprofits must register to fundraise in more than 40 states? Learn what you need to know to run a compliant, successful campaign.

Webinar

Licensing for Design and Construction Firms

Webinar

Maintaining Multi-State Compliance in 2023 and Beyond

Have recent trends led your business to expand into new states? Find out how to manage compliance as your footprint grows.

Webinar

Nonprofit Startup Webinar

Ready to launch your nonprofit, but not sure where to begin? Our webinar walks you through the nonprofit formation process step by step.

Webinar

Online Fundraising Compliance in the COVID Era and Beyond

COVID-19 has changed fundraising and compliance. View this webinar to learn how to legally fundraise in a digital world.

Webinar

Fundraise Without Borders: Charitable Registration Compliance

This brief webinar provides a user-friendly, comprehensive overview of fundraising registration requirements in all 50 states.

Reference

Nonprofit Compliance Checklist

The rules and requirements for maintaining an organization's good standing are ever-changing. Stay ahead of the curve with our compliance checklist.

Reference

Charitable Solicitation Registration Buying Guide

Learn the basics of charitable solicitation registration and how it can help your organization's perception in the eyes of potential donors.

Reference

State Contractor Licensing: The Ultimate Guide

Find all the information you need to get your contractor’s license in any state.

Reference

Annual Reports: The Ultimate Guide

This user-friendly quick reference details annual report requirements and deadlines in all 50 states.

Reference

Foreign Qualification: The Ultimate Guide

This user-friendly quick reference details foreign qualification requirements and deadlines in all 50 states.

Reference

Annual Compliance Checklist for Businesses

Are you on track to meet your regulatory obligations? Find out with our 10-point checklist.

Reference

Executive Brief: Charitable Registration

Do your fundraising efforts comply with applicable state laws? Bring your leadership up to speed on this complex area of compliance.

Reference

Executive Brief: Engineering Licensing

Our 50-state guide covers everything you need to know to license your firm to succeed.

Reference

Cause Marketing Compliance Quick Guide

What businesses and nonprofits need to know to forge a successful, compliant cause marketing partnership.

Email Series

Nonprofit Startup Bootcamp

This email series will march you through the nonprofit startup process and give you the tools and strategy you need to accomplish your mission.

Case Study

Langan

A single solution to managing compliance across the company's 30+ offices. It includes locating and tracking business entity registrations, professional licenses, and renewals in nearly every US state.

Case Study

ArcherPoint

Difficulties in using shared spreadsheets and documents to track their business registrations, tax registrations, and licenses led this company to search for a better way to keep everything, and everyone, up-to-date across the organization.

Case Study

Combined Arms

Learn how this Texas-based organization, aimed at accelerating veterans’ transitions from military to civilian life, was able to scale its fundraising efforts nationwide.

Case Study

Tax Exempt in 14 Days

Starting a nonprofit doesn’t have to be a long or difficult process. Learn how one client obtained 501(c)(3) status in only two weeks!

Case Study

Craft Electric

This growing company took on new projects across state lines and needed quick multi-state licensure. See how they did it.

Case Study

BB+M Architecture

This architecture firm had the best problem a business could have; growing too fast. Learn how Harbor Compliance helped managed this rapid expansion.

We hear there are 150,000+ licensing agencies in the US, and untold number of business and professional licenses. We're on a mission to catalog them all! Thus far we're up to 3,235 agencies, 10,665 licenses, and 20,991 license filings. We have two full-time license librarians, and you can contribute too.