How to Register Your RIA in Maine

Requirements verified as of July 13, 2026.

Regulator Maine Office of Securities, Department of Professional and Financial Regulation
Filing fee $200 firm license fee (initial and annual renewal) plus $50 per investment adviser representative initially and $25 at renewal, paid through IARD/CRD. Maine branch offices pay $50 initially and $30 at renewal.
Exam requirements Series 65, or the SIE plus Series 7 plus Series 66. Waived for current holders of the CFP, ChFC, PFS, CFA, or CIC designation. A license inactive for two or more years requires retaking the exams; four or more years on the Series 7 and 66 pathway also requires retaking the SIE.
De minimis rule Under 32 M.R.S. § 16403, no license is required if you have no place of business in Maine and have had not more than 5 Maine resident clients during the preceding 12 months. Institutional investors, other licensed advisers, and bona fide preexisting clients who moved to Maine do not count toward the five.
Bond requirements Advisers with custody of client funds or securities must maintain a $35,000 minimum net worth; discretionary authority without custody requires $10,000; accepting prepaid fees of more than $500 per client six or more months in advance requires positive net worth. An adviser below the minimum must post a bond covering the deficiency rounded up to the nearest $5,000 and must notify the Administrator within one business day of falling below the minimum. Advisers with a principal office in another state need only meet their home state's requirements.

Key Forms

Maine RIA registration is handled by the Maine Office of Securities, part of the Department of Professional and Financial Regulation, which licenses investment advisers and their representatives under the Maine Uniform Securities Act and its Chapter 515 licensing rule. If your firm manages under $100 million in regulatory assets, you license with the state rather than registering with the SEC, and Maine adds a few requirements you will not see in most other states. This guide walks through the whole process, and you can compare requirements elsewhere in our RIA registration guide library.

The filing itself runs on the national infrastructure. You submit Form ADV Parts 1 and 2 through FINRA’s IARD system with Maine designated and pay a $200 firm license fee, plus $50 for each investment adviser representative filed on Form U4 through CRD; renewals run $200 for the firm and $25 per representative, and Maine branch offices carry their own $50 initial fee. Representatives qualify with the Series 65, or the SIE combined with the Series 7 and Series 66, and Maine waives the exam for current holders of the CFP, ChFC, PFS, CFA, or CIC designation. Financial requirements scale with authority: $35,000 minimum net worth with custody, $10,000 with discretion, and positive net worth if you collect prepaid fees of more than $500 per client six or more months in advance.

The registration process

Start by entitling your firm with IARD and funding the account for the $200 firm fee and $50 per representative. Complete Form ADV Part 1 covering ownership, business practices, and disciplinary history, then Form ADV Part 2, the plain-English brochure your clients receive. Each representative files Form U4 with Maine listed as a jurisdiction, documents an exam pass or qualifying designation, and completes Maine’s fingerprinting requirement, an unusual step the Office of Securities explains on its licensing page. Watch the exam lapse rules: a license inactive for two or more years means retaking the exams, and four or more years on the Series 7 and 66 pathway adds the SIE. The Office publishes a guide to avoiding common application deficiencies; read it before filing, because a complete first submission is what keeps your review moving.

What trips people up registering in Maine

Fingerprinting is the step out-of-state filers most often miss, since few jurisdictions require it of investment adviser representatives; budget the extra processing time. The financial rules carry a sharp edge as well: if your net worth falls below the applicable minimum, you must notify the Administrator within one business day and file a financial report that includes a trial balance, client account counts, and debit balance computations. An adviser that cannot meet the minimum must post a surety bond covering the deficiency rounded up to the nearest $5,000, issued by a company qualified in Maine and protecting all clients regardless of residency. One softener: an adviser whose principal office sits in another state need only maintain the capital its home state requires, provided it is licensed and compliant there.

Preparing a clean disclosure package

Draft your Form ADV Part 2A brochure in plain English, then make your client advisory agreement mirror it exactly; fee language that differs between the two is a classic deficiency finding. Prepare a Part 2B supplement for each advisory person, confirm every U4 answer is accurate and current before submission, and have your compliance manual, code of ethics, and books-and-records system in operation on your effective date rather than after your first exam notice. Founders who file before their documents are coherent lose weeks to comment letters, which is why we suggest reading what you should know when starting an RIA from scratch before you begin drafting.

After your license is granted

Renew each year through the IARD renewal program, paying the $200 firm renewal and $25 per representative before year end. File your Form ADV annual updating amendment within 90 days of your fiscal year end, and amend promptly whenever your disclosures become materially inaccurate, such as a fee change, an ownership change, or a disciplinary event. Every new hire needs an approved U4, and Maine fingerprints, before advising Maine clients, and departures require a timely Form U5. If you have discretion or custody, monitor net worth continuously, because the one-business-day notification rule leaves no room for quarter-end discoveries.

Registering in more than one state

A Maine license covers Maine only; each state where you open an office or exceed its client threshold needs its own filing. Maine’s de minimis exemption under 32 M.R.S. § 16403 covers an adviser with no place of business in the state and not more than 5 Maine resident clients in the preceding 12 months, and it helpfully excludes bona fide preexisting clients whose principal residence moved to Maine, a nuance snowbird-heavy practices appreciate. Most states run a similar five-client convention with different exclusions, so map every client to a jurisdiction before you rely on an exemption. Advisers expanding down the coast often pair this filing with registering an RIA in New York, which operates under noticeably different rules.

Your next step

Maine’s fees are among the most reasonable in the country, but the fingerprinting step, exam lapse rules, and net worth monitoring obligations reward preparation. We handle RIA registrations in Maine and nationwide, building your ADV, agreements, and compliance program so the Office of Securities approves your application without a deficiency cycle. Reach out to SimplyRIA and we will scope your registration in a single conversation.

Frequently asked questions

How much does it cost to register an RIA in Maine?

The investment adviser license fee is $200 initially and $200 at each annual renewal. Each investment adviser representative pays $50 initially and $25 at renewal, and a Maine branch office pays $50 initially and $30 at renewal. Fees are paid through IARD and CRD.

Do I need the Series 65 to register an RIA in Maine?

You need the Series 65, or the SIE combined with the Series 7 and Series 66. Maine waives the exam for current holders of the CFP, ChFC, PFS, CFA, or CIC designation. If your license has been inactive for two or more years, you must retake the exams.

What are the net worth requirements for a Maine investment adviser?

An adviser with custody of client funds or securities must maintain a minimum net worth of $35,000. Discretionary authority without custody requires $10,000, and accepting prepaid fees of more than $500 per client six or more months in advance requires a positive net worth. A shortfall must be covered by a surety bond rounded up to the nearest $5,000.

How many clients can I have in Maine without registering?

If you have no place of business in Maine, 32 M.R.S. § 16403 exempts you until you exceed 5 Maine resident clients in the preceding 12 months. Institutional investors, other licensed advisers, and bona fide preexisting clients who relocated to Maine do not count toward the limit.

Does Maine require fingerprints for investment adviser representatives?

Yes. Maine has a fingerprinting requirement for investment adviser representatives as part of licensing, which is unusual among the states. The Office of Securities publishes instructions for the fingerprinting process on its licensing page.

Ronald J. Briggs Jr.

Ronald J. Briggs Jr., FIC, CRPC®

Founder and Chief Compliance Officer

Ronald J. Briggs Jr., FIC, CRPC®, is the Founder, CEO, CCO, Chief Investment Strategist, and visionary behind the SimplyRIA Enterprise. Ron began his financial services career in 1984 and has spent more than 42 years serving clients, guiding advisors, and building fiduciary-focused platforms. Rooted in a commitment to stewardship, Ron has helped shape a vertically integrated ecosystem designed to support independent advisors, RIA firms, and the clients they serve. Alongside Kristin and the SimplyRIA team, he continues to lead the enterprise with a focus on fiduciary responsibility, advisor independence, investment discipline, and operational excellence.

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Registration requirements in Maine are administered by the Maine Office of Securities, Department of Professional and Financial Regulation.

This guide is for general information only and is not legal advice. Requirements are set by the state regulator named above and may change without notice. Verify current requirements directly with the regulator before filing.

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