Large-firm, retirement plans for business owners (SEP, solo 401k) financial advisors in Oklahoma City, OK
The right financial advisor for you depends on how you weigh location, expertise, experience, the clients they typically serve, and how they work with you.
If you run a business and want to set up a retirement plan like a SEP or solo 401(k), you need an advisor who understands how these plans fit your business cash flow and tax situation. A common mistake is choosing a plan without considering how it affects your payroll and tax filings, which can lead to unexpected costs or missed benefits. Large-firm advisors often have access to more resources and compliance support, which can help you navigate complex rules.
- Plan design expertise. Ask how they tailor SEP or solo 401(k) options to your business size and income variability.
- Compliance management. Confirm how they help you stay current with IRS and Department of Labor rules to avoid penalties.
- Integration with business finances. Check if they coordinate retirement contributions with your payroll and tax reporting systems.
- Weather-related risk awareness. Since Oklahoma City faces tornado risks, see if they consider how disaster planning impacts your retirement and business continuity.
Here are top matches to get you started. Review each profile to compare experience, credentials, and approach.
-
Sebastian O
CFP®, Series 63
Oklahoma, OK
LPL Financial
Sebastian Oukassou specializes in retirement plans for business owners, including SEP and solo 401(k) options, supported by 18 years of experience and CFP® certification. Working with LPL Financial, a large firm, he offers flat-fee financial planning and integrates wealth management with tax-loss harvesting, providing comprehensive support for business owners in Oklahoma City.
Experience: 19 years
Avg account: $399,489
-
Robert H
Series 63, Series 66
Oklahoma City, OK
Independent Financial Group, LLC
Robert Hagmaier's 45 years of experience and expertise in retirement plans for business owners make him well-equipped to assist with SEP and solo 401(k) plans in Oklahoma City. His affiliation with Independent Financial Group, a large firm managing $11.3 billion in assets, offers access to extensive resources and compliance support, while his flat-fee and negotiable consulting options provide flexible fee structures compared to other advisors.
Experience: 45 years
Avg account: $474,424
-
Gregory A
Series 66
Oklahoma City, OK
Cambridge Investment Research Advisors
Gregory Ashton specializes in retirement plans for business owners, including SEP and solo 401(k) options, supported by 24 years of experience and a Series 66 designation. Operating within the large firm Cambridge Investment Research Advisors, he offers flat-fee and AUM-based pricing, serving a diverse client base including executives and business owners, which may provide comprehensive support for integrating retirement plans with business finances in Oklahoma City.
Experience: 24 years
Avg account: $378,281
-
Derek D
Series 63, Series 65, Series 66
Oklahoma City, OK
Cetera
Derek Dorris specializes in retirement plans for business owners, including SEP and solo 401(k) options, supported by nine years of experience and Series 63, 65, and 66 licenses. Operating within Cetera, a large firm offering flat-fee financial planning and a broad institutional platform, he serves diverse clients including high earners and business owners in Oklahoma City, providing tailored retirement and tax-loss harvesting strategies.
Experience: 10 years
Avg account: $306,089
-
Jeff M
Series 66
Oklahoma City, OK
Merrill
Jeff McDonald at Merrill offers expertise in retirement plans for business owners, including SEP and solo 401(k) options, supported by his 11 years of industry experience and multiple professional designations. His large-firm resources and focus on business succession and tax-aware strategies provide comprehensive support, distinguishing him from others by integrating retirement planning with broader wealth management and lending services in Oklahoma City.
Experience: 12 years
Avg account: $860,085
Want help finding the right advisor?
Answer a few questions to see advisors matched to you.
Advisors focused on
People also searched
Popular in Oklahoma City, OK
Find advisors by type
Not sure where to start?
We'll help you think it through—whether you ultimately need an advisor or not. Warmer helps you compare advisors clearly, so you can choose with confidence.
For advisor listings, we rely on sources including public filings and data provided by advisors, and we cannot guarantee that all information is current or accurate. Advisors are independent and may not have reviewed or updated this information. Please review an advisor’s Form ADV and do your own diligence before deciding whether to work with them.
Advisor matching and introductions are provided by FinanceHQ LLC (“FHQ”), a wholly-owned subsidiary of Warmer and an SEC-registered investment advisor. We receive compensation from certain participating advisors for introductions or referrals. This creates a conflict of interest because we have an incentive to recommend advisors who compensate us, including those who pay us more. You pay no fee to use our matching service, and advisor fees are not increased because of a referral or introduction. We do not review the ongoing performance of advisors, manage or hold assets, guarantee performance, or provide advice about specific investments.
By using our service, you agree to our Terms of Service and Advisory Agreement, and acknowledge our Privacy Policy. Please review FHQ’s ADV Part 2A and Form CRS. Logos provided by Logo.dev
© 2026 Warmer Holdings Inc. (“Warmer”)