GNB Bancorporation
GNB Bancorporation is a privately held Iowa community bank holding company (founded 1934) offering consumer, small-business, agricultural, and trust/insurance services across Grundy, Marshall, Hardin, Delaware, and Story counties via bank branches and affiliated agencies.
- Company typePrivate
- Founded1934
- HeadquartersGrundy Center, United States
- Headcount51–100
- GTM typeB2B and B2C
- OfferingServices
What GNB Bancorporation does
GNB Bancorporation is a privately held Iowa-based bank holding company operating principally through its banking subsidiary, GNB Bank, an employee- and locally-owned community bank founded in 1934 and headquartered in Grundy Center, Iowa. GNB offers a full-stack community-bank product set across four segments — consumer (checking, savings, money market, CDs, IRAs/HSAs, credit cards, mortgages and home-equity products, personal loans), small business (Business Cash and Saver reward accounts, Business Checking and Select Checking, eCorp cash management, Positive Pay, ACH/wire, remote deposit, merchant card processing, SBA loans, and employee retirement plans), agricultural (operating lines, machinery loans, real-estate loans, FSA-guaranteed and SBA 504 facilities, with the AgWizard profitability and break-even platform as a domain differentiator), and wealth/insurance/trust (GNB Insurance crop-life-health-personal-commercial agency, GNB Investments, GNB Real Estate, AccessASC-powered trust and farm management, and the Go Club travel program).
The delivery and technology architecture is assembled from third-party providers rather than built in-house. Digital banking is powered by Fiserv with NOTIFI for real-time alerts; debit and card processing is delivered via the SHAZAM network with FICO Falcon fraud detection and customer-facing Brella controls; lending origination runs on EpicXpress; trust administration runs on AccessASC; and Apple Pay, Google Pay, Samsung Pay, and Quicken/QuickBooks extend the digital surface. Customer acquisition is largely direct-to-consumer through physical branches and insurance offices in Grundy, Marshall, Hardin, Delaware, and Story counties, augmented by community events, content marketing, and digital channels.
Monetization follows a classic community-bank revenue stack: net interest income from agricultural, commercial, residential-mortgage, and consumer lending and from the investment of deposits, supplemented by deposit-account and treasury-service fees (overdraft, ACH/wire, Positive Pay), credit-card interchange and rewards economics, insurance commissions from GNB Insurance, trust and fiduciary service fees, and affinity revenue (e.g., Go Club travel affiliation) gated by minimum banking relationships. GNB competes on local presence, relationship banking, and rate-promotional deposit products (up to 5.00% APY on business cash balances to $50,000) rather than on scale, technology, or AI-enabled differentiation.
GNB Bancorporation firmographics
Firmographics- Name
- GNB Bancorporation
- Legal name
- GNB Bank
- Website
- https://gnbbank.com
- Company type
- Private
- Founded year
- 1934
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- GNB Bancorporation is a privately held Iowa community bank holding company (founded 1934) offering consumer, small-business, agricultural, and trust/insurance services across Grundy, Marshall, Hardin, Delaware, and Story counties via bank branches and affiliated agencies.
- Ownership category
- akta.pro rank
GNB Bancorporation industry classification
Industry- Product category
- Community Banking
- NAICS
- Depository Credit Intermediation (5221), Commercial Banking (52211)
- SIC
- State Commercial Banks (6022)
- akta.pro primary industry
- Mass-Market Consumer Deposit Banking (Checking/Savings) (FSABAAAA)
- akta.pro secondary industry
- Bank & Credit Union Personal Loans (Unsecured Installment) (FSAKAAAL)
Keywords
Where GNB Bancorporation is headquartered
LocationHeadquarters
- HQ city
- Grundy Center
- HQ country
- United States
- HQ region
- North America
Offices7 records
Markets served
GNB Bancorporation business model
Business model- GTM type
- B2B and B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Interest Income: Traditional banking revenue from interest spreads on loans (agricultural, commercial, residential mortgages, personal loans) and interest earned on deposits
- Deposit Account Fees: Monthly maintenance fees, overdraft fees, and other account-related service charges
- Trust and Fiduciary Services: Estate administration, trust management, agency accounts, and IRA administration services
- Insurance Commissions: Commission revenue from insurance products including crop, life, health, personal, and commercial coverage sold through GNB Insurance agency
- Travel Program Membership: Go Club travel program requiring $5,000 minimum banking relationship for membership access
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Business Cash Checking - Up to 5.00% APY on balances up to $50,000 |
| Subscription | Monthly | Business Saver - 2.27% APY on balances up to $50,000 |
| Subscription | Monthly | GNB Rewards Checking - 5.00% Cash Back on debit purchases |
| Transaction based/ take rate | Pay-as-you-go | Business Online eCorp - Various transaction fees |
| Subscription | Monthly | Visa Credit Cards - Points and Cash Back Programs |
Go-to-market motion2 records
Distribution channels5 records
Marketing channels4 records
GNB Bancorporation product offering
Product offeringCore offering
GNB Bancorporation is a bank holding company that owns and operates GNB Bank, a community bank providing deposit accounts (checking, savings, money market, CDs, IRAs, HSAs), consumer and commercial loans (personal, mortgage, home equity, construction, business, agricultural), credit and debit cards, digital and mobile banking, trust and fiduciary services, and insurance agency products. The bank serves individuals, families, small businesses, and agricultural operators across Iowa through physical branches, affiliated insurance offices, and digital channels.
Product overview
GNB Bancorporation (operating as GNB Bank) is a locally and employee-owned community bank established in 1934, offering a comprehensive suite of financial products and services. The portfolio consists of core banking products including personal and business checking/savings accounts (GNB Rewards Checking, Choice Checking, Interest Checking, GNB Saver, Money Market, Business Cash, Business Saver, Business Checking), credit products (Personal Loans, Mortgages including Fixed-Rate/Adjustable-Rate/USDA Rural Housing, Home Equity Loans/HELOCs, Construction Loans, Visa Cashback Rewards Cards, MasterCard Debit Card), agricultural services (Ag Operating Credit, Ag Machinery Loans, Farm Real Estate Loans, AgWizard platform), and trust/insurance services. Digital banking is delivered through Online Banking and Mobile Banking platforms (powered by Fiserv) with add-on modules including Bill Pay, Mobile Deposit, Digital Wallet (Apple Pay/Google Pay/Samsung Pay), and E-Statements. Business services include Business Online eCorp cash management platform with QuickBooks integration, Positive Pay fraud prevention, Remote Deposit, and Merchant Card Processing. The bank serves customers across Iowa through multiple branch locations with an emphasis on agricultural lending and community banking.
Differentiator
Problem solved
Functional benefit
Brands
- GNB Insurance: Locally owned and operated insurance agency in Grundy, Marshall, and Hardin Counties in Iowa offering insurance products for individuals and businesses.
- GNB Bank Mobile Banking
- Go Club Travel Program
Products and services
- GNB Rewards Checking Personal checking account offering up to 5.00% cash back on debit card purchases and interest-earning options with no monthly fees for qualifying accounts, targeted at consumer banking customers.
- Choice Checking Low-cost personal checking account with no balance requirements, providing basic banking services for individual consumers seeking simple deposit accounts.
- Interest Checking Personal checking account that earns interest while maintaining unlimited checking account benefits, targeted at consumer banking customers.
- Community Checking Personal checking account designed for community-focused banking customers, offered as part of GNB Bank's personal deposit lineup.
- Basic Savings Traditional savings account to help grow money with fundamental savings features for personal banking customers.
- GNB Saver Personal savings account offering competitive interest rates for everyday savings needs.
- Christmas Club Savings Specialized savings account designed to help customers save throughout the year for holiday spending.
- GNBee Kids Club Savings account designed for children to teach financial literacy and encourage early savings habits.
- Money Market Personal savings product with competitive interest rates for customers maintaining higher balances seeking enhanced returns.
- Certificates of Deposit (CDs) Time deposits with terms ranging from 91 days to 60 months offering fixed interest rates for personal savers.
- Traditional IRA Tax-advantaged retirement savings account where contributions may reduce taxable income and funds are taxed upon withdrawal.
- Roth IRA Tax-advantaged retirement savings account with after-tax contributions; qualified withdrawals including earnings are tax-free.
- Simplified Employee Pension (SEP) Employer-established retirement plan allowing contributions up to 25% of eligible employee compensation into traditional IRAs.
- Health Savings Account (HSA)
Quantifiable outcome
- Up to 5.00% APY on Business Cash checking balances up to $50,000
- +2 more outcomes
Companies that use GNB Bancorporation
Customer profileNamed customers2 records
Segments5 records
Ideal customer profiles4 records
GNB Bancorporation technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration12 records
Feature5 records
GNB Bancorporation partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered core.
- FiservcoreFiserv powers GNB Bank's mobile banking application, providing the core technology infrastructure for mobile banking services including account access, transfers, and mobile deposit functionality.
- SHAZAMcoreSHAZAM provides debit card processing and fraud management services for GNB Bank, including FICO Falcon fraud detection, text fraud alerts, and the Privileged Status ATM network for fee-free withdrawals.
- AccessASCcoreAccessASC provides the online trust management platform for GNB Bank's trust services, enabling customers to access and manage their trust accounts online.
- GNB InsurancecoreAffiliated insurance agency offering crop, life, health, personal, and commercial insurance products. Operates under the GNB brand with offices in multiple Iowa communities.
- GNB InvestmentscoreAffiliated investment services company offering investment products and financial planning under the GNB brand umbrella.
- GNB Real EstatecoreAffiliated real estate services company for property search and mortgage referrals, integrated with GNB Bank's home lending services.
- AgWizardcoreAgWizard is a specialized web-based agricultural financial platform for grain operations, providing profitability tracking, break-even calculations, and marketing strategy tools for farm customers.
- GNB BancorporationcoreParent holding company for GNB Bank and affiliated companies including GNB Insurance, GNB Investments, and GNB Real Estate.
Scale indicators3 records
Recent moves6 records
Expansion highlights5 records
GNB Bancorporation competitors and assessment
Company assessmentDirect peers
- GreenState Credit Union: Iowa-headquartered credit union with deep retail deposit and consumer lending operations across the state. Directly comparable to GNB as a deposit-gathering, full-service consumer/small business financial institution competing in overlapping Iowa markets.
- Hills Bank and Trust Company: Iowa-based community bank serving individuals, businesses, and agricultural customers across Eastern Iowa. Closely comparable to GNB in customer mix (consumer, business, ag), community-bank model, and Iowa geographic footprint.
- United Bank of Iowa: Iowa community bank with a multi-branch footprint and a comparable mix of consumer, small business, and agricultural lending. Similar scale and relationship-banking orientation to GNB.
- Bankers Trust Company (Iowa): Des Moines-based community bank offering consumer, business, mortgage, and wealth management services in Iowa. Comparable community-bank model with a slightly larger urban tilt, providing a useful reference for what scaled Iowa community banking looks like.
- Iowa State Bank: Iowa community bank offering checking, savings, loans, and ag banking services through a multi-county branch network. Closely comparable to GNB in product mix, ag orientation, and community-bank positioning.
- First Bank Hampton: Small Iowa community bank with consumer, business, and agricultural lending. Similar scale, ownership profile, and product set to GNB, making it a useful size-and-model comparable.
- Two Rivers Financial Group: Iowa-based community bank holding company operating community banks in Eastern Iowa. Directly comparable multi-branch community bank model with overlapping Iowa geography.
Broad incumbents
- Heartland Financial USA / Dubuque Bank and Trust: Multi-state community banking franchise with material Iowa presence. Comparable in product breadth (banking, insurance, wealth) but operates at meaningfully larger scale and is a potential consolidator of smaller Iowa community banks like GNB.
- West Bank (West Bancorporation): Iowa-based community-oriented bank with consumer, business, mortgage, and treasury management products. Comparable product mix and community-bank model, with greater scale and broader Iowa reach.
Others
- Shazam (SHAZAM): Core debit/ATM network and fraud services partner powering GNB's debit card program. Included as an ecosystem/vendor peer rather than a direct competitor; useful for benchmarking the technology stack on which community banks like GNB depend.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat6 records
Key risks5 records
Key highlights7 records
Customer concentration
GNB Bancorporation social profiles
Digital presenceGNB Bancorporation compliance and trust
Trust signalCompliance2 records
GNB Bancorporation financial estimates
Financial estimateRevenue estimate
Valuation estimate
GNB Bancorporation leadership team
Management profileNumber of profiles
Profiles10 records
GNB Bancorporation subsidiaries and ownership
Company hierarchySubsidiaries4 records
GNB Bancorporation funding detail
Funding detailFunding overview
Funding rounds1 record
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
GNB Bancorporation M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about GNB Bancorporation
What does GNB Bancorporation do?
GNB Bancorporation is a bank holding company that owns and operates GNB Bank, a community bank providing deposit accounts (checking, savings, money market, CDs, IRAs, HSAs), consumer and commercial loans (personal, mortgage, home equity, construction, business, agricultural), credit and debit cards, digital and mobile banking, trust and fiduciary services, and insurance agency products. The bank serves individuals, families, small businesses, and agricultural operators across Iowa through physical branches, affiliated insurance offices, and digital channels.
Is GNB Bancorporation a public or private company?
GNB Bancorporation is a private company. It is classified as management employee owned and is currently operating.
When was GNB Bancorporation founded?
GNB Bancorporation was founded in 1934. It employs 51 to 100 people.
Where is GNB Bancorporation based?
GNB Bancorporation is headquartered in Grundy Center, United States, in the North America region.
How does GNB Bancorporation make money?
Five revenue lines are on record. Interest Income is the primary driver. The others are deposit Account Fees, trust and Fiduciary Services, insurance Commissions and travel Program Membership.
Who are GNB Bancorporation's main competitors?
Direct peers on record are GreenState Credit Union, Hills Bank and Trust Company, United Bank of Iowa, Bankers Trust Company (Iowa), Iowa State Bank, First Bank Hampton and Two Rivers Financial Group. Broad incumbents are Heartland Financial USA / Dubuque Bank and Trust and West Bank (West Bancorporation). Shazam (SHAZAM) is listed as an others.
Does GNB Bancorporation have an API?
No public API is recorded for GNB Bancorporation.
What industry is GNB Bancorporation in?
GNB Bancorporation's product category is Community Banking. Its primary akta.pro industry code is FSABAAAA, Mass-Market Consumer Deposit Banking (Checking/Savings), with a secondary code of FSAKAAAL, Bank & Credit Union Personal Loans (Unsecured Installment). Its NAICS code is 5221 and its SIC code is 6022.