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Mark Trewitt

Investment adviser representative at Delta Investment Management in Plano, TX

Investment adviser registrationUpdated

Mark Trewitt is an investment adviser representative at Delta Investment Management, LLC, an investment adviser managing $857M, and works from its Plano, TX office. Mark Trewitt has been registered through Delta Investment Management since 6 June 2019, has 33 years in the industry across 7 firms and has passed 6 licensing exams.

33
Years in industry
7
Years at firm
7
Adviser firms
1
States registered

From the IAPD record, checked 24 October 2026SEC record

Career

Mark Trewitt has been an investment adviser representative at Delta Investment Management since June 2019, and is not listed among the firm’s executive officers or direct owners.

Delta Investment Management, LLC is a San Francisco, CA firm with $857M under management, 1,099 clients and 25 advisers across 11 offices, as of its April 2026 filing.

Mark Trewitt’s longest registration was 8 years at VFG Advisors, Inc. (2010–2018). Before joining Delta Investment Management in 2019, Mark Trewitt was registered through VFG Advisors, Inc. and Madison Avenue Securities, Inc.

  1. – present · 7 years
    Plano, TX · Adviser representative · Firm CRD 149596
  2. VFG Advisors, Inc.
    – · 8 years
    Plano, TX · Adviser representative · Firm CRD 150370
  3. Madison Avenue Securities, Inc.
    – · 1 year
    Plano, TX · Adviser representative · Firm CRD 23224
  4. Madison Avenue Advisors, Inc.
    – · 2 years
    Plano, TX · Adviser representative · Firm CRD 137461
  5. Kalos Management
    – · 1 year
    Plano, TX · Adviser representative · Firm CRD 133025
  6. Ogilvie Security Advisors Corp
    – · 2 years
    Plano, TX · Adviser representative · Firm CRD 10105
  7. Walnut Street Advisers Inc
    – · under a year
    Plano, TX · Adviser representative · Firm CRD 109903

Credentials and registrations

Investment adviser representative registrations

Mark Trewitt is registered as an investment adviser representative in Texas, since June 2019.

  • TexasSince 6 June 2019

Examinations

Series 6524 May 2018
Name
Uniform Investment Adviser Law Examination
SIECredited
Name
Securities Industry Essentials Examination
Series 623 July 2007
Name
Corporate Securities Limited Representative Examination
Series 2619 July 2001
Name
Investment Company Products/Variable Contracts Principal Examination
Series 2212 November 1992
Name
Direct Participation Programs Representative Examination
Series 632 October 1992
Name
Uniform Securities Agent State Law Examination
Series 62 October 1992
Name
Investment Company Products/Variable Contracts Representative Examination

Key facts

Full name
Mark Andrew Trewitt
CRD
1364490
Firm
Delta Investment Management · CRD 149596
Office
4324 Mapleshade Lane, Suite 131, Plano, TX 75093
Registration
Investment adviser registration
In the industry since
April 1993
Disciplinary history
Not yet shown here · SEC record

Common questions

Where does Mark Trewitt work?

Mark Trewitt is an investment adviser representative registered through Delta Investment Management, LLC since June 2019, and is not listed among the firm’s executive officers or direct owners.

Source: IAPD individual record, checked 24 October 2026

Is Mark Trewitt a financial advisor?

Yes. Mark Trewitt has a current investment-adviser registration in Texas, through Delta Investment Management since June 2019.

Source: IAPD individual record, checked 24 October 2026

How many years of experience does Mark Trewitt have?

Mark Trewitt has 33 years in the financial industry, since April 1993, across 7 adviser firms.

Source: IAPD individual record, checked 24 October 2026

What exams has Mark Trewitt passed?

Mark Trewitt has passed 6 licensing exams: the Series 63, Series 6, Series 22, Series 26, Series 62 and Series 65. The earliest, the Series 63, was passed in October 1992. FINRA credited Mark Trewitt with the SIE, which began in October 2018.

Source: IAPD individual record, checked 24 October 2026

Where did Mark Trewitt work before Delta Investment Management?

Before Delta Investment Management, Mark Trewitt was registered through VFG Advisors, Inc., November 2010 to December 2018; Madison Avenue Securities, Inc., March 2009 to November 2010; Madison Avenue Advisors, Inc., September 2006 to March 2009; Kalos Management, May 2005 to September 2006; Ogilvie Security Advisors Corp, July 2002 to October 2004; Walnut Street Advisers Inc, April 2002 to July 2002.

Source: IAPD individual record, checked 24 October 2026

Where is Mark Trewitt based?

Mark Trewitt’s registered office is in Plano, TX.

Source: IAPD individual record, checked 24 October 2026

Is Mark Trewitt registered with FINRA?

No. Mark Trewitt has no current broker registration.

Source: IAPD individual record, checked 24 October 2026

How can I verify Mark Trewitt’s record?

Search CRD 1364490 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Mark Trewitt’s full registration record.

Source: IAPD individual record, checked 24 October 2026

Leadership at Delta Investment Management

Sources

  1. IAPD individual record, CRD 1364490, checked 24 October 2026. Registration status, employment history and examinations.
  2. Form ADV Part 1A, Schedules A and B of Delta Investment Management, LLC, filed 17 April 2026. Executive officers and direct owners; this person is not among them.