{
  "crd_number": 107377,
  "slug": "william-mack-and-associates-inc-troy-mi-107377",
  "primary_business_name": "WILLIAM MACK & ASSOCIATES INC",
  "legal_name": "WILLIAM MACK & ASSOCIATES INC",
  "dbas": [],
  "city": "Troy",
  "state": "MI",
  "country": "United States",
  "cbsa_code": "19820",
  "metro": {
    "cbsa_code": "19820",
    "common_name": "Detroit",
    "msa_name": "Detroit-Warren-Dearborn, MI",
    "path": "/advisors/mi/detroit"
  },
  "registration_type": "sec",
  "registration_status": "Approved",
  "registration_date": "1992-09-03",
  "years_registered": 34,
  "period": "2026-10-01",
  "filing_date": "2026-08-25",
  "carried_forward": false,
  "raum_total": 1034607199.0,
  "raum_discretionary": 1032246065.0,
  "raum_non_discretionary": 2361134.0,
  "raum_band": "1b_5b",
  "raum_band_label": "$1 billion to $5 billion",
  "total_employees": 22,
  "advisory_employees": 10,
  "client_count_bucket": null,
  "clients_by_type": {
    "individuals": {
      "raum": 237188850.0,
      "count": 692
    },
    "pension_profit_sharing": {
      "raum": 27564678.0,
      "count": 13
    },
    "high_net_worth_individuals": {
      "raum": 769853671.0,
      "count": 260
    }
  },
  "compensation_types": [
    "hourly",
    "percentage_of_aum"
  ],
  "advisory_activities": [
    "financial_planning",
    "portfolio_management_individuals",
    "selection_of_other_advisers"
  ],
  "wrap_fee_participant": false,
  "disclosure_yes_count": 0,
  "states_registered": [
    "AZ",
    "CA",
    "FL",
    "GA",
    "IL",
    "MA",
    "MI",
    "NC",
    "ND",
    "NY",
    "OH",
    "RI",
    "TX",
    "VA",
    "WA"
  ],
  "websites": [
    "https://wmack.com"
  ],
  "iapd_url": "https://adviserinfo.sec.gov/firm/summary/107377",
  "city_as_filed": "TROY",
  "url": "https://advisorcensus.com/firm/william-mack-and-associates-inc-troy-mi-107377",
  "display_name": "William Mack & Associates Inc",
  "summary": "William Mack & Associates Inc is an SEC-registered investment advisory firm in Troy, MI, registered since 1992, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated August 25, 2026.",
  "citation": "AdvisorCensus. William Mack & Associates Inc (CRD 107377): Form ADV filing data as of October 2026.",
  "registration_type_label": "SEC-registered investment adviser",
  "compensation_labels": [
    "A percentage of assets under your management",
    "Hourly charges"
  ],
  "advisory_activity_labels": [
    "Financial planning services",
    "Portfolio management for individuals and/or small businesses",
    "Selection of other advisers (including private fund managers)"
  ],
  "quick_answers": [
    {
      "q": "How is William Mack & Associates Inc compensated?",
      "a": "On its Form ADV (Item 5.E, October 2026), William Mack & Associates Inc reports these compensation arrangements: a percentage of assets under its management; hourly charges."
    },
    {
      "q": "Where is William Mack & Associates Inc located?",
      "a": "William Mack & Associates Inc's principal office is in Troy, MI, according to its Form ADV; the September 2026 filing also lists 4 other offices (Schedule D, Section 1.F)."
    },
    {
      "q": "Is William Mack & Associates Inc registered with the SEC or a state?",
      "a": "William Mack & Associates Inc is an SEC-registered investment advisory firm, registered since 1992. Status as filed: Approved. CRD 107377."
    },
    {
      "q": "How much does William Mack & Associates Inc manage?",
      "a": "William Mack & Associates Inc reports $1,034,607,199 in regulatory assets under management in its Form ADV filing dated August 25, 2026 (100% discretionary)."
    },
    {
      "q": "How have William Mack & Associates Inc's assets and staff changed since 2021?",
      "a": "In the Form ADV data for William Mack & Associates Inc: Regulatory assets under management: $664,804,863 in the October 2021 data and $1,034,607,199 in the October 2026 data, up 56%. Total employees: 13 in October 2021 and 22 in October 2026. Assets under management move with markets as well as with clients coming and going."
    },
    {
      "q": "What types of clients does William Mack & Associates Inc serve?",
      "a": "By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (692); high net worth individuals (260); pension and profit sharing plans (but not the plan participants or government pension plans) (13)."
    },
    {
      "q": "Which custodians does William Mack & Associates Inc use?",
      "a": "William Mack & Associates Inc's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Charles Schwab & Co., Inc. as a custodian holding 10% or more of its separately managed account assets."
    },
    {
      "q": "Does William Mack & Associates Inc report any disciplinary disclosures?",
      "a": "Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/107377"
    },
    {
      "q": "What changed in William Mack & Associates Inc's recent Form ADV filings?",
      "a": "In the September 2026 filing data: Registered or notice-filed in MA."
    }
  ],
  "filing_history": [
    {
      "period": "2021-10-01",
      "regulatory_assets_under_management": 664804863.0,
      "total_employees": 13,
      "filing_date": "2021-03-31"
    },
    {
      "period": "2022-10-01",
      "regulatory_assets_under_management": 726573000.0,
      "total_employees": 13,
      "filing_date": "2022-03-31"
    },
    {
      "period": "2023-10-01",
      "regulatory_assets_under_management": 649371000.0,
      "total_employees": 14,
      "filing_date": "2023-03-29"
    },
    {
      "period": "2024-10-01",
      "regulatory_assets_under_management": 754782297.0,
      "total_employees": 14,
      "filing_date": "2024-05-08"
    },
    {
      "period": "2025-10-01",
      "regulatory_assets_under_management": 820394535.0,
      "total_employees": 22,
      "filing_date": "2025-07-22"
    },
    {
      "period": "2026-10-01",
      "regulatory_assets_under_management": 1034607199.0,
      "total_employees": 22,
      "filing_date": "2026-08-25"
    }
  ],
  "recent_changes": [
    {
      "period": "2026-09-01",
      "period_label": "September 2026",
      "notes": [
        "Registered or notice-filed in MA."
      ]
    },
    {
      "period": "2026-05-01",
      "period_label": "May 2026",
      "notes": [
        "Regulatory assets under management went from $820,394,535 to $1,034,607,199 (+26%)."
      ]
    },
    {
      "period": "2025-12-01",
      "period_label": "December 2025",
      "notes": [
        "Registered or notice-filed in GA."
      ]
    }
  ],
  "fees_from_brochure": null,
  "custodians": [
    {
      "name": "Charles Schwab & Co., Inc.",
      "name_as_filed": "CHARLES SCHWAB & CO., INC.",
      "affiliated": false
    }
  ],
  "custodians_note": "Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.",
  "markdown_url": "https://advisorcensus.com/firm/william-mack-and-associates-inc-troy-mi-107377.md",
  "clients": [
    {
      "type": "individuals",
      "label": "Individuals (other than high net worth individuals)",
      "count": 692,
      "fewer_than_5": false,
      "raum": 237188850.0
    },
    {
      "type": "high_net_worth_individuals",
      "label": "High net worth individuals",
      "count": 260,
      "fewer_than_5": false,
      "raum": 769853671.0
    },
    {
      "type": "pension_profit_sharing",
      "label": "Pension and profit sharing plans (but not the plan participants or government pension plans)",
      "count": 13,
      "fewer_than_5": false,
      "raum": 27564678.0
    }
  ],
  "disclosure_line": "Reports no disclosure items on Form ADV Item 11.",
  "disclosure_items": [],
  "indexable": true,
  "suppressed": false,
  "claimed": false,
  "enhanced": false,
  "provided_by_the_firm": null,
  "source": {
    "name": "Form ADV",
    "as_of": "2026-10-01",
    "iapd_url": "https://adviserinfo.sec.gov/firm/summary/107377",
    "operator": "BH Monitor Services, LLC",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data"
  }
}