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Katherine Lewis

Advisor at Tonn Financial Planning

Updated today
Tonn Financial Planning logo

Firm

Tonn Financial Planning

Location

Littleton, CO

Credentials

CFP®, Series 65

Industry experience

7 years

About

Katherine Lewis is a CFP® and holds a Series 65 license, with seven years of industry experience. She is the principal of Tonn Financial Planning, where she has worked since 2023. Her prior experience includes roles at Opus Financial Solutions, Kestra Advisory Services LLC, and Financial Security Management, Inc. Outside of her advisory work, she volunteers as a coach for Wings For Widows, providing pro-bono financial planning advice to recently widowed individuals. Tonn Financial Planning offers fee-only investment management and financial planning services to employer plan sponsors and individual clients, including non-high-net-worth households. The firm uses a combination of passive and active strategies guided by Modern Portfolio Theory and provides retirement plan consulting with an ERISA fiduciary role.

Client services

Based on Tonn Financial Planning

Financial planning Portfolio management

Expertise

Based on Tonn Financial Planning

Business sale tax planning Cash flow / budgeting College savings (529s, UTMA, etc.)

Demographic focus

Based on Tonn Financial Planning

Mid-Career Professionals

Fee options

Fixed

Project-Based Financial Planning fees range from $1,000 to $10,000; initial fee for ongoing planning up to $5,000.

Percentage

$0 - $250,000: 0.90% $250,001 - $500,000: 0.80% $500,001 - $1,000,000: 0.70% $1,000,001 - $2,000,000: 0.60% $2,000,001+: 0.50%

Project-based

Hourly charges reported in SEC Part 1 but no specific hourly rates detailed in brochure.

Subscriptions

Ongoing Financial Planning fees range from $1250 to $2500 quarterly or $416.66 to $833.33 monthly.

Other

Fee-only: Investment management and financial planning fees; fee-only firm, no commissions.

Location

Littleton, CO

Most active in

Colorado

Work history

Opus Financial Solutions

2024 - 2025 (1 year)

Tonn Financial Planning LLC

2023 - Present (3 years)

Kestra Advisory Services LLC

2021 - 2023 (2 years)

Financial Security Management, Inc.

2018 - 2021 (3 years)

Rocky Mountain Cabinet

2017 - 2018 (1 year)

Renew Fitness & Yoga

2008 - 2020 (12 years)

Disclosures

Exclamation point means they have disclosures of this type. Check mark means no disclosures of this type were found.

Business activities & affiliations

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