# Mainsail Asset Management, LLC

> Mainsail Asset Management, LLC is an SEC-registered investment advisory firm in Birmingham, AL, registered since 2007, reporting $500 million to $1 billion in regulatory assets under management in its Form ADV filing dated July 15, 2026.

- CRD: 128373
- Filed as: MAINSAIL ASSET MANAGEMENT, LLC
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: Birmingham, AL
- Filing period: October 2026
- Form ADV filing dated: July 15, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/128373
- AdvisorCensus page: https://advisorcensus.com/firm/mainsail-asset-management-llc-birmingham-al-128373

## Quick answers

**How is Mainsail Asset Management, LLC compensated?**
On its Form ADV (Item 5.E, October 2026), Mainsail Asset Management, LLC reports these compensation arrangements: a percentage of assets under its management; fixed fees (other than subscription fees); performance-based fees.

**How much does Mainsail Asset Management, LLC charge?**
Its Form ADV Part 2A brochure dated March 20, 2026 states: Flat fee: $5,000 to $50,000 (financial planning services). Fees can differ by service and may be negotiable; the brochure is the complete statement.

**Where is Mainsail Asset Management, LLC located?**
Mainsail Asset Management, LLC's principal office is in Birmingham, AL, according to its Form ADV; the August 2026 filing also lists 1 other office (Schedule D, Section 1.F).

**Is Mainsail Asset Management, LLC registered with the SEC or a state?**
Mainsail Asset Management, LLC is an SEC-registered investment advisory firm, registered since 2007. Status as filed: Approved. CRD 128373.

**How much does Mainsail Asset Management, LLC manage?**
Mainsail Asset Management, LLC reports $598,811,962 in regulatory assets under management in its Form ADV filing dated July 15, 2026 (69% discretionary).

**How have Mainsail Asset Management, LLC's assets and staff changed since 2021?**
In the Form ADV data for Mainsail Asset Management, LLC: Regulatory assets under management: $227,236,643 in the October 2021 data and $598,811,962 in the October 2026 data, up 164%. Total employees: 4 in October 2021 and 7 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Mainsail Asset Management, LLC serve?**
By number of clients on Form ADV Item 5.D: high net worth individuals (91); individuals (other than high net worth individuals) (51); corporations or other businesses not listed above (24).

**Which custodians does Mainsail Asset Management, LLC use?**
Mainsail Asset Management, LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Charles Schwab & Co., Inc. and National Financial Services LLC as custodians holding 10% or more of its separately managed account assets.

**Does Mainsail Asset Management, LLC report any disciplinary disclosures?**
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/128373

**What changed in Mainsail Asset Management, LLC's recent Form ADV filings?**
In the April 2026 filing data: Regulatory assets under management went from $410,149,620 to $598,811,962 (+46%).

## From the Form ADV filing

### Compensation (Item 5.E)
- A percentage of assets under your management
- Fixed fees (other than subscription fees)
- Performance-based fees

### Fees and minimums (Form ADV Part 2A brochure dated March 20, 2026)

- Flat fee: $5,000 to $50,000 (financial planning services)

> Mainsail’s planning and consulting fees are negotiable, but generally range from $5,000 to $50,000 on a fixed fee basis, depending upon the level and scope of the service(s) required and the professional(s) rendering the service(s).

As stated in the firm's brochure. Fees can differ by service and may be negotiable.

### Custodians (Schedule D, Section 5.K(3))
- Charles Schwab & Co., Inc.
- National Financial Services LLC

Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.

### Regulatory assets under management (Item 5.F)
- Total: $598,811,962
- Discretionary: $411,800,941
- Non-discretionary: $187,011,021

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Individuals (other than high net worth individuals) | 51 | $23,472,162 |
| High net worth individuals | 91 | $348,583,365 |
| Banking or thrift institutions | 0 | $0 |
| Investment companies | 0 | $0 |
| Business development companies | 0 | $0 |
| Pooled investment vehicles (other than investment companies and business development companies) | 5 | $133,737,040 |
| Pension and profit sharing plans (but not the plan participants or government pension plans) | 5 | $8,680,145 |
| Charitable organizations | 12 | $4,274,063 |
| State or municipal government entities (including government pension plans) | 0 | $0 |
| Other investment advisers | 0 | $0 |
| Insurance companies | 0 | $0 |
| Sovereign wealth funds and foreign official institutions | 0 | $0 |
| Corporations or other businesses not listed above | 24 | $80,065,187 |
| Other | 0 | $0 |

### Advisory services (Item 5.G)
- Financial planning services
- Portfolio management for individuals and/or small businesses
- Portfolio management for pooled investment vehicles (other than investment companies)
- Portfolio management for businesses (other than small businesses) or institutional clients
- Pension consulting services
- Selection of other advisers (including private fund managers)

### Firm details
- Registered since: 2007 (19 years)
- Employees: 7 total, 4 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: AL, FL, TX
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Other offices (Schedule D, Section 1.F), as of the August 2026 filing
- Birmingham, AL

### Websites listed on Form ADV (Item 1.I)
- anchor.fm/invest-prudently
- investprudently.com
- Facebook @investprudently
- Instagram @investprudently
- X @Mainsail_Asset
- YouTube @UCNTcbiFqlrhjH58QI0G8GUQ

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $227,236,643 | 4 | February 23, 2021 |
| October 2022 | $220,927,438 | 4 | April 5, 2022 |
| October 2023 | $280,164,554 | 6 | March 27, 2023 |
| October 2024 | $343,935,777 | 6 | April 2, 2024 |
| October 2025 | $410,149,620 | 7 | March 21, 2025 |
| October 2026 | $598,811,962 | 7 | July 15, 2026 |

Regulatory assets under management: $227,236,643 in the October 2021 data and $598,811,962 in the October 2026 data, up 164%.
Total employees: 4 in October 2021 and 7 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Regulatory assets under management went from $410,149,620 to $598,811,962 (+46%).

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Mainsail Asset Management, LLC (CRD 128373): Form ADV filing data as of October 2026.