Costello Financial Planning, Inc. is an SEC registered investment adviser organized as a corporation. Its latest Form ADV filing, dated March 10, 2026, reports $217M in regulatory assets under management, 2 employees, 2 offices, and 560 accounts.
Portfolio management for individuals and small businesses
Fee models offered
2 types reported
Asset based fees
Fixed fees
Sources checked May 16, 2026
Client Coverage Demographics
Top client segmentIndividuals represent 59.0% of total clients.
Top client categories% of clientsClients
1
Individuals
59.0%
69
2
HNWI
34.2%
40
3
Corporations
3.4%
4
4
Pension Plans
2.6%
3
5
Charitable
0.9%
1
Categories with <5 clients
Charitable Organizations<5 clients
Corporations or other businesses not listed above<5 clients
Pension and profit sharing plans<5 clients
Regulatory Assets Under Management Breakdown
Total regulatory assets under management$217Mas of March 10, 2026
Discretionary85.6%
$186M
86% of total RAUM85.6%
Non-discretionary14.4%
$31M
14% of total RAUM14.4%
Regulatory assets under management are split between discretionary and non-discretionary assets.
Assets under management Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Total AUM$217M
Total Accounts560
10Y AUM Change+$111M (+104.5%)
Employee Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Total Employees2
Clients per Employee59:1
10Y Employee Change0 (0.0%)
* Metrics are based on the latest available data, including Form ADV filings, brochures, and relationship summaries pulled from the SEC IAPD, and may be subject to change. Learn what is included in the Rialytix data. Please refer to the firm's official disclosures for the most accurate information using their CRD number. This is not investment advice.