{"url":"https://nivawealth.com/firms/mainstreet-ria-309150","iapdUrl":"https://adviserinfo.sec.gov/firm/summary/309150","regulatoryAum":471751580,"crd":"309150","adviserRoster":{"asOf":"2026-10-09","items":[{"crd":"2428369","suffix":null,"lastName":"COUNTS","firstName":"RICHARD","middleName":"LEE"},{"crd":"5379115","suffix":null,"lastName":"Oldham","firstName":"Nicholas","middleName":"S"},{"crd":"2288379","suffix":null,"lastName":"OLDHAM","firstName":"ROBERT","middleName":"STEVEN"}],"total":3,"loadedAt":"2026-10-10T00:20:19.761928+00:00","sourceUrl":"https://reports.adviserinfo.sec.gov/reports/CompilationReports/IA_INDVL_Feed_10_09_2026.xml.zip"},"history":[{"filedOn":"2021-05-14","regulatoryAum":257800000,"clients":86,"employees":4,"offices":2},{"filedOn":"2022-07-08","regulatoryAum":287400000,"clients":109,"employees":3,"offices":1},{"filedOn":"2023-01-18","regulatoryAum":274296110,"clients":103,"employees":3,"offices":1},{"filedOn":"2024-07-16","regulatoryAum":374979985,"clients":136,"employees":3,"offices":1},{"filedOn":"2025-01-15","regulatoryAum":392246687,"clients":136,"employees":3,"offices":1},{"filedOn":"2026-09-29","regulatoryAum":471751580,"clients":141,"employees":3,"offices":1}],"secFileNumber":"801-121454","legalName":"Mainstreet RIA LLC","displayName":"Mainstreet RIA","slug":"mainstreet-ria-309150","website":"https://mainstreet-ria.com/","classification":{"segment":"institutions","segmentLabel":"Institutional","type":"retirement_plan_adviser","typeLabel":"Retirement plans","feeDisclosure":"payment_only"},"linkedinUrl":"https://www.linkedin.com/company/mainstreet-ria-llc","founded":null,"organization":"Missouri limited liability company","fiscalYearEnd":"December","headquarters":{"street":"6700 Keaton Corporate Parkway, Suite 102","city":"O'Fallon","state":"MO","stateName":"Missouri","country":"United States","postalCode":"63368"},"tradeNames":[],"registration":{"secApproved":"8 June 2021","noticeFilings":null,"latestNoticeFiling":null},"wealthAumPerClient":558006.4705882353,"staff":{"employees":3,"advisory":3,"brokerDealerReps":0,"insuranceAgents":0,"promoters":1},"aum":{"regulatory":471751580,"discretionary":471751580,"discretionaryAccounts":141,"nonDiscretionary":0,"nonDiscretionaryAccounts":0,"wrapProgram":null,"nonUsClientsPct":0,"nonAumClients":2},"clientTypes":[{"label":"Individuals (other than HNW)","clients":124,"regulatoryAum":47176513},{"label":"High-net-worth individuals","clients":12,"regulatoryAum":28712367},{"label":"Pension and profit-sharing plans","clients":5,"regulatoryAum":395862700}],"feePrograms":[],"brochureCoverage":{"scope":"known_documents","status":"not_processed","checkedAt":null,"documents":[]},"custodians":[{"name":"Charles Schwab & Co., Inc.","shortName":"Charles Schwab","location":"San Francisco, CA","smaAssets":74610123},{"name":"Corebridge Financial","shortName":"Corebridge Financial","location":"Amarillo, TX","smaAssets":363610527}],"custodyNote":"Mainstreet RIA does not have custody of client assets.","otherCustodians":[],"leadership":[{"name":"Nicholas Oldham","title":"Managing Partner/Chief Compliance Officer/Investment Advisor Representative","crd":"5379115"},{"name":"Richard Counts","title":"Managing Partner/Investment Advisor Representative","crd":"2428369"},{"name":"Robert Oldham","title":"Managing Partner/Investment Advisor Represetative","crd":"2288379"}],"ownership":[{"label":"Robert Oldham","detail":"Managing partner/investment advisor represetative in the 25% to 50% ownership band and a control person, since July 2019."},{"label":"Richard Counts","detail":"Managing partner/investment advisor representative in the 25% to 50% ownership band and a control person, since August 2020."},{"label":"Nicholas Oldham","detail":"Managing partner/chief compliance officer/investment advisor representative in the 25% to 50% ownership band and a control person, since February 2021."}],"branchOffices":null,"filedOffices":{"otherThanPrincipal":0,"privateResidences":0},"listedOfficeAddresses":1,"foreignOffices":[],"officesByState":[{"state":"Missouri","offices":1,"addresses":[{"street":"6700 Keaton Corporate Parkway, Suite 102","city":"O'Fallon","headquarters":true}]}],"advFacts":{"source":{"file":"ia100226.zip","asOf":"2 October 2026"},"telephone":"888-801-0325","stateRegisteredReps":3,"otherAdviserReps":0,"compensation":["A percentage of assets under management","Hourly charges","Fixed fees (other than subscription fees)"],"activities":["Financial planning services","Portfolio management for individuals and/or small businesses","Pension consulting services","Educational seminars/workshops"],"financialPlanningClients":"0","assetMix":[{"label":"Exchange-traded equity securities","percent":2},{"label":"U.S. government/agency bonds","percent":7},{"label":"Securities issued by registered investment companies or business development companies","percent":82},{"label":"Other","percent":9,"detail":"Fixed Interest Accounts"}],"privateFunds":0},"sources":{"adv1FilingDate":"29 September 2026","adv1Url":"https://reports.adviserinfo.sec.gov/reports/ADV/309150/PDF/309150.pdf","brochureDate":null,"brochureUrl":null,"iapdCompiledDate":null,"retrievedDate":"15 October 2026","retrievedOn":"2026-10-15","updatedOn":"2026-10-21","holdingsUpdatedOn":"2026-10-21","adv1Pages":{},"brochurePages":{}},"otherBusiness":[],"faq":[{"question":"How many clients does Mainstreet RIA have?","answer":"Mainstreet RIA has 141 clients and manages $472 million for them, as of September 2026. They include 124 individual clients, 12 high-net-worth individuals, and 5 pension and profit-sharing plans.","source":"Form ADV Part 1A, Items 5.D and 5.F, filed 29 September 2026","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"What services does Mainstreet RIA offer?","answer":"Mainstreet RIA provides financial planning, portfolio management for individuals and small businesses, pension consulting, and educational seminars.","source":"Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"Which custodians does Mainstreet RIA use?","answer":"Mainstreet RIA’s separately managed account assets are held at Corebridge Financial (Amarillo, TX), with $364M and Charles Schwab & Co., Inc. (San Francisco, CA), with $74.6M. Only custodians holding at least a tenth of those assets are named.","source":"Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 29 September 2026","sourceRef":{"doc":"adv1","section":"custodians"}},{"question":"How many financial advisors does Mainstreet RIA have?","answer":"Mainstreet RIA has 3 investment adviser representatives registered with state securities authorities, out of 3 employees, and 3 perform investment advisory functions. None are registered representatives of a broker-dealer or licensed insurance agents.","source":"Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"What does Mainstreet RIA invest in?","answer":"At the end of its last fiscal year, Mainstreet RIA’s separately managed accounts held 82% registered funds (mutual funds, ETFs, BDCs), 9% other, 7% U.S. government and agency bonds and 2% exchange-traded equities. The 9% other category is described as: Fixed Interest Accounts.","source":"Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"Who owns Mainstreet RIA?","answer":"Mainstreet RIA’s direct owners are Robert Oldham, Richard Counts and Nicholas Oldham, each holding 50% or less.","source":"Form ADV Part 1A, Schedules A and B, filed 29 September 2026","sourceRef":{"doc":"adv1","section":"scheduleA"}},{"question":"How does Mainstreet RIA get paid?","answer":"Mainstreet RIA is paid through a percentage of assets under management, hourly charges and fixed fees. Its Form ADV lists no commissions or performance-based fees among how it is paid.","source":"Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"How do I contact Mainstreet RIA?","answer":"Mainstreet RIA’s main office is at 6700 Keaton Corporate Parkway, Suite 102, O'Fallon, MO 63368. Its phone number is 888-801-0325. Its website is mainstreet-ria.com.","source":"Form ADV Part 1A, Item 1.F, filed 29 September 2026","sourceRef":{"doc":"adv1","section":"offices"}}],"holdings":null,"notice":"Compiled from public SEC Form ADV filings on the dates in `sources`. Facts as filed; not a rating, ranking, or recommendation. Niva is not affiliated with this firm. Disciplinary history is deliberately not included here or on the page; the SEC publishes the complete record at the `iapdUrl` above."}