# EDGAR Filing Document

**Accession Number:** 0001499417
**File Stem:** 0001499417-26-000001
**Filing Date:** 2026-3
**Character Count:** 2382
**Document Hash:** f5e18dd49c6ad0878e96427790c1f2de
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001499417-26-000001.hdr.sgml**: 20260319

**ACCESSION NUMBER**: 0001499417-26-000001

**CONFORMED SUBMISSION TYPE**: X-17A-5

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260319

**DATE AS OF CHANGE**: 20260319

**EFFECTIVENESS DATE**: 20260319

**PERIOD START**: 20250101

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MCDERMOTT INVESTMENT SERVICES, LLC
- **CENTRAL INDEX KEY:** 0001499417

**ORGANIZATION NAME:**
- **EIN:** 273120227
- **STATE OF INCORPORATION:** PA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** X-17A-5
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 008-68683
- **FILM NUMBER:** 26772828

**BUSINESS ADDRESS:**
- **STREET 1:** 900 BROAD AVE SOUTH
- **STREET 2:** SUITE 2C
- **CITY:** NAPLES
- **STATE:** FL
- **ZIP:** 34102
- **BUSINESS PHONE:** 610-882-1460

**MAIL ADDRESS:**
- **STREET 1:** P.O. BOX 1784
- **CITY:** NAPLES
- **STATE:** FL
- **ZIP:** 34106

### Attached PDF Documents

**Attachment 1:** `mcdermottpublic.pdf`

_No text found in this document._

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM X-17A-5

### ANNUAL AUDITED REPORT

### Filer Information

**Filer CIK:** 0001499417

**Filer CCC:** XXXXXXXX

**Is this a LIVE or TEST filing?:** LIVE

**Would you like a Return Copy?:** No

### Submission Information

**Report Period Begin Date:** 01-01-2025

**Report Period End Date:** 12-31-2025

**Type of Registrant:** Broker-dealer

**Any material weaknesses identified?:** No

### Registrant Identification

**Name of Broker-Dealer:** MCDERMOTT INVESTMENT SERVICES, LLC

**Business Address:** 900 BROAD AVE SOUTH, SUITE 2C, NAPLES, FL, 34102

**Contact Person:** Olga Rip

**Contact Phone:** 8045641588

### Independent Public Accountant Identification

**Accountant Name:** Sanville & Company LLC

**Accountant Address:** 2617 Huntingdon Pike, Huntingdon Valley, PA, 19006

**Accountant Type:** Certified Public Accountant

### OATH OR AFFIRMATION

I, **Dean McDermott, Managing Member**, swear (or affirm) that, to the best of my knowledge and belief, the accompanying financial statements and supporting schedules pertaining to the firm of **MCDERMOTT INVESTMENT SERVICES, LLC**, as of **12-31-2025**, are true and correct.

**Signature:** Dean McDermott

**Title:** Managing Member