2 min · 454 words · Updated MAY 6, 2026
Fundamentals · Long-form

Other Non-Interest Expense: Definition & Examples

Miscellaneous Non-Interest Operating Costs in Financial Institutions Learn the formula, key examples, and how investors use it in practice.

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The 90-second answer
In investing, you get what you don't pay for. Costs matter enormously.
John C. Bogle
Founder, The Vanguard Group · Common Sense on Mutual Funds · 1999

Other Non-Interest Expense is a key operating expense category for banks, insurance companies, and other financial institutions, capturing a wide range of overhead and administrative costs that are not directly tied to interest-bearing activities. This line item includes expenses such as professional fees, technology and data processing, marketing, insurance (non-claims), travel, office supplies, charitable contributions, and various miscellaneous overheads. Distinct from interest expense and provision for credit losses, it reflects the day-to-day cost of running the institution and is critical for calculating the efficiency ratio (non-interest expense / revenue), a primary measure of operational efficiency in banking. Controlling this expense is essential for improving profitability in a low-margin environment.

What is Other Non-Interest Expense?

Other Non-Interest Expense aggregates miscellaneous operating costs that are not interest-related or provision for credit losses in financial institutions.

It is reported as part of non-interest expense in bank income statements, separate from net interest income and provision for loan losses. This category is the residual after more specific non-interest lines (e.g., personnel, occupancy).

A lower other non-interest expense contributes to a better efficiency ratio, a key banking profitability metric.

In investing, you get what you don’t pay for. Costs matter enormously.

John C. Bogle, Founder, The Vanguard Group Common Sense on Mutual Funds (1999)

Common Components

Typical items in Other Non-Interest Expense for financial institutions:

Key Items

  • Professional and legal fees: Outside counsel, consultants, regulatory compliance
  • Technology and data processing: Software licenses, cloud services, cybersecurity
  • Marketing and advertising: Brand campaigns, customer acquisition
  • Travel and entertainment: Employee business travel
  • Office supplies and equipment: Non-capitalized items
  • Communication expenses: Telephone, postage, internet
  • Insurance (non-claims related, e.g., D&O, property)
  • Charitable contributions and community relations
  • Training and education programs
  • FDIC assessment fees (for banks)

One-time items (e.g., merger costs) may be included or broken out separately.

How It Appears in the Income Statement

Bank income statement structure:

Formula: Non-Interest Expense = Personnel Compensation

  • Occupancy & Equipment
  • Other Non-Interest Expense
  • Specific Items (e.g., amortization)

Reduces pre-provision net revenue and impacts efficiency ratio.

Tip: Efficiency Ratio = Non-Interest Expense / (Net Interest Income + Non-Interest Income); target <60%.

Examples

Example 1: Large Bank

Professional/consulting: $2B

Technology/data processing: 1B Travel/supplies/other: 7.5B.

Example 2: Regional Bank

IT services: $200M

Legal/compliance: 80M Miscellaneous overhead: 530M.

Digital banks have lower occupancy but higher tech/marketing in this line.

Importance in Financial Analysis

Analysts scrutinize other non-interest expense to:

  • Calculate efficiency ratio and cost control
  • Assess digital transformation spend (IT heavy)
  • Identify regulatory burden (compliance fees)
  • Compare operating leverage across peers

Rising expense without revenue growth erodes profitability; declines signal efficiency gains.

Warning: Merger/integration costs often buried here—review footnotes for adjusted figures.

Accounting worksheet showing other non-interest expense line items with neat column totals and a fountain pen.
Q · 01
What is Other Non-Interest Expense?
A · TL;DR
Other Non-Interest Expense is a financial concept covered in this article. Read the full guide above for the definition, formula, examples, and how investors apply it in practice.
Q · 01What is Other Non-Interest Expense?+
Other Non-Interest Expense is a financial concept covered in this article. Read the full guide above for the definition, formula, examples, and how investors apply it in practice.
Corporate ledger or annual-report booklet open to the other non-interest expense chapter on a wooden desk.