What Crystal Lake Bank & Trust does

Crystal Lake Bank & Trust Company, N.A. is a privately-held community bank subsidiary of Wintrust Financial Corporation (NASDAQ: WTFC), founded in 1991 and headquartered in Crystal Lake, Illinois. The bank operates four to five branches across northern Illinois communities (Crystal Lake, Cary, Algonquin, McHenry) and is part of the broader Wintrust Community Bank network of more than 200 locations spanning Illinois, Wisconsin, Michigan, Indiana, and Florida. Its customer base spans personal/consumer banking, small business, and commercial/middle-market segments.

The bank offers a comprehensive product set organized across three verticals: personal banking (Total Access, Access Plus, and Premier Checking; Statement Savings Advanced; 13-Month CD Special; Visa credit cards via Elan Financial Services; HELOCs; mortgages routed through Wintrust Mortgage; and wealth management referrals), small business banking (Entrepreneur, Business Community, and Have-It-All Checking tiers; i-BusinessBanking with remote deposit; SBA Express/7(a)/504 lending; business credit cards), and commercial banking (asset-based lending, treasury management, and industry-specific lending for condos/HOAs, franchises, ESOPs, and government/nonprofits). The technology backbone is the Wintrust Digital Banking platform (online and mobile with Zelle, mobile deposit, and a Financial Insights recommendation feature), supplemented by Trusteer-powered fraud protection and a MaxSafe program that extends effective FDIC coverage from $250,000 to $4 million by sweeping deposits across 16 Wintrust bank charters.

The revenue model is a standard community-bank net-interest-income framework augmented by transaction fees (overdraft, wires, ATM), wealth-management referral commissions, credit-card interchange via Elan, and SBA loan servicing/gain-on-sale fees. Distribution combines physical branches with local decision-making authority, a 24/7 Telebank contact center, digital channels, and cross-sell into affiliated mortgage and wealth management entities.

Name

Crystal Lake Bank & Trust

Legal name

Crystal Lake Bank & Trust Company, N.A.

Website

https://crystallakebank.com

Company type

Private

Founded year

1991

Operating status

Operating

Headcount range

11–50 employees

Short description

Crystal Lake Bank & Trust is a community bank subsidiary of Wintrust Financial Corporation serving personal, small business, and commercial customers across northern Illinois through local branches, digital banking, and SBA, mortgage, and wealth-management products.

Ownership category

akta.pro rank

Product category

Community Banking

NAICS

Commercial Banking (52211), Depository Credit Intermediation (5221)

SIC

National Commercial Banks (6021)

akta.pro primary industry

Mutual Savings Banks & Mutual Thrifts (FSABAEAD)

akta.pro secondary industry

Mass-Market Consumer Deposit Banking (Checking/Savings) (FSABAAAA)

Keywords

• Community banking services
• Retail banking products
• Small business lending
• Commercial banking services
• Wealth management services

Headquarters

HQ city

Crystal Lake

HQ country

United States

HQ region

North America

Offices5 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Marketing or Sales, Technology or R&D, Others

Revenue model

1. Net Interest Income: Primary revenue source from interest earned on loans including mortgages, commercial loans, small business loans, home equity lines of credit, and consumer loans. Interest paid on deposits represents the primary cost.
2. Non-Interest Income - Fee-Based Services: Service fees on deposit accounts including monthly maintenance fees, overdraft fees, wire transfer fees, and ATM fees. Also includes fees for safe deposit boxes, money orders, cashier's checks, and other banking services.
3. Wealth Management Referral Revenue: Referral commissions and revenue sharing from investment products, asset management services, and insurance products offered through Wintrust Wealth Management partnerships.
4. Credit Card Interchange: Interchange fees earned on credit card transactions processed through Elan Financial Services partnership.
5. SBA Lending Fees: Loan servicing fees and gains on sale from SBA loan programs including SBA Express, SBA 7(a), and SBA 504 loans.

Pricing tiers

Go-to-market motion1 record

Distribution channels6 records

Marketing channels7 records

Core offering

Crystal Lake Bank & Trust provides deposit products (checking, savings, CDs, MaxSafe money market), consumer and commercial lending (mortgages, HELOCs, SBA loans, asset-based lending), cash management and treasury services, and wealth management referrals through physical branches, digital banking, and a 24/7 contact center. The bank serves individual consumers, small businesses, and middle-market commercial clients in northern Illinois suburbs as part of the Wintrust Community Bank network.

Product overview

Crystal Lake Bank & Trust Company, N.A. is a community bank and part of the Wintrust Financial Corporation family (with 200+ locations). The company offers a comprehensive banking platform structured across three main segments: Personal Banking (consumer checking, savings, credit cards, mortgages, home equity, wealth management, and loyalty programs), Small Business Banking (business checking, lending, SBA loans, cash management, and merchant services), and Commercial Banking (asset-based lending, commercial real estate, treasury management, and industry-specific lending). Key products include Total Access Checking and Premier Checking account tiers, Statement Savings with competitive APY rates, SBA loan programs (Express, 7(a), 504), MaxSafe FDIC enhancement, and digital banking with Zelle. The bank differentiates through community-focused services including coin counting, safe deposit boxes, currency exchange, and specialized clubs for youth (Junior Savers) and seniors (Platinum Adventures). All digital banking services feed into a unified online/mobile platform with i-BusinessBanking for business customers.

Differentiator

Problem solved

Functional benefit

Brands

• Wintrust Community Bank: Crystal Lake Bank & Trust operates under the Wintrust Community Bank brand umbrella, part of Wintrust Financial Corporation's network of 15 community banks.
• Wintrust Digital Banking

Products and services

• Total Access Checking
• Access Plus Checking
• Premier Checking
• Statement Savings Advanced
• 13-Month CD Special
• Credit Cards
• Home Equity Line of Credit (HELOC)
• Mortgages
• Wealth Management
• Money Smart Checking
• Everyday Loan
• Money Smart CD Loan
• Free Coin Counting
• Safe Deposit Boxes
• Currency Exchange
• Platinum Adventures Club
• Junior Savers Club
• Teen Banking Club
• Entrepreneur Checking
• Business Community Checking
• Have-It-All Business Checking
• Treasury Management
• MaxSafe
• SBA Express Loan
• SBA 7(a) Loan
• SBA 504 Loan
• Easy Access Lines of Credit
• Business Credit Cards
• Asset-Based Lending
• Commercial Lending
• Private Client
• i-BusinessBanking

Named customers1 record

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

AI capability2 records

Feature5 records

Partnerships

Four partnerships are on record, tiered core.

• TrusteercoreTechnology or IntegrationPartnership to provide free fraud protection software to business customers. Trusteer's malware and phishing protection software helps protect business accounts from cyber threats and fraudulent activities.
• Elan Financial ServicescoreGTM or Marketing PartnerPartnership for credit card issuance and processing. Elan Financial Services is the creditor and issuer of Wintrust credit cards pursuant to Visa U.S.A. Inc. license. Cards are marketed through Wintrust Community Bank branches and online.
• Wintrust Mortgage (Barrington Bank & Trust Company, N.A.)coreGTM or Marketing PartnerWintrust Mortgage is a division of Barrington Bank & Trust Company, N.A., a Wintrust Community Bank. NMLS #449042. Residential lending is provided through this affiliated entity, enabling cross-selling between community banks and mortgage services.
• Wintrust Wealth ManagementcoreGTM or Marketing PartnerWealth management services including asset management, investments, insurance, private banking, and trust services are offered through Wintrust Wealth Management, an affiliated entity enabling referrals from community bank customers.

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Direct peers

• Barrington Bank & Trust: Wintrust Community Bank charter that also operates Wintrust Mortgage as a division. Direct in-network peer with identical community banking model, shared brand, and matched product offering.
• McHenry Bank & Trust: Wintrust Community Bank charter serving McHenry, Illinois, listed in the company data as a related branch of Crystal Lake Bank & Trust. Most direct in-network peer with overlapping geography and customer base.
• Algonquin Bank & Trust: Sister Wintrust community bank charter serving Algonquin, Illinois — a market that overlaps with Crystal Lake Bank's footprint. Closely comparable on customer base, product mix, and operating model.
• Cary Bank & Trust: Wintrust Community Bank charter serving Cary, Illinois — also listed in Crystal Lake Bank & Trust's contact data. Operates the same relationship-banking model with shared products and back-office.
• Lake Forest Bank & Trust: Another Wintrust Community Bank charter serving Lake Forest and the northern Chicago suburbs. Same operating model, shared technology platform, and identical product suite make it the closest in-network comparable to Crystal Lake Bank & Trust.
• Byline Bank: Independent Chicago-area community bank focused on small business and commercial lending. Comparable to Crystal Lake Bank on customer segment (SMB, middle-market), branch-led model, and SBA lending capability.
• First Bank of Highland Park: Chicago North Shore community bank offering personal, small business, and commercial banking. Comparable to Crystal Lake Bank & Trust on suburban Chicago positioning, branch footprint, and full-service product suite.

Broad incumbents

• Fifth Third Bank: Large regional bank with Midwest branch density overlapping the Crystal Lake Bank footprint. Competes in consumer, small business, and commercial banking but offers a much wider national product portfolio.
• Old National Bank: Large regional bank that has aggressively acquired community banks (including First Midwest). Competes for the same Illinois and Midwest business and consumer relationships, but at significantly larger scale.
• BMO Harris Bank: Major commercial bank with deep Chicago metro presence. Competes head-to-head with Crystal Lake Bank & Trust for SMB and consumer deposits in the Chicago suburbs, but at greater scale and with broader geographic reach.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/CrystalLakeBank

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles27 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Crystal Lake Bank & Trust