Business Opportunities in Ottawa, IL

Data-driven insights using Gap Ratio analysis to identify underserved markets

Population

0.2M

High Demand

Moderate Demand

High Confidence

📊 How Gap Ratio Works

Gap Ratio = National Density / Local Density. Higher ratios indicate underserved markets. A ratio of 2.0x means this area has 50% fewer businesses per capita than the national average.

≥1.5x High Demand

1.1-1.5x Moderate

0.9-1.1x Balanced

<0.9x Saturated

Top Opportunities (Sorted by Gap Ratio)

Business Consultant

Management, Scientific, and Technical Consulting Services

High Confidence

12.3xGap Ratio

92% fewer businesses than national average

High Demand

Corporate AdvisorManagement Consulting

Local Density

0.52/10k

National Avg

6.43/10k

Local Businesses

NAICS Code

5416

Computer Systems Design and Related Services Business

Computer Systems Design and Related Services

High Confidence

8.8xGap Ratio

89% fewer businesses than national average

High Demand

Computer Systems Design and Related Services ServiceProfessional Computer

Local Density

0.46/10k

National Avg

4.02/10k

Local Businesses

NAICS Code

5415

Computer Systems Design and Related Services Business

Computer Systems Design and Related Services

High Confidence

8.8xGap Ratio

89% fewer businesses than national average

High Demand

Computer Systems Design and Related Services ServiceProfessional Computer

Local Density

0.46/10k

National Avg

4.02/10k

Local Businesses

NAICS Code

54151

Escrow Services

Activities Related to Real Estate

High Confidence

8.2xGap Ratio

88% fewer businesses than national average

High Demand

Property ManagementReal Estate Appraisal

Local Density

0.39/10k

National Avg

3.21/10k

Local Businesses

NAICS Code

5313

Home Sales Agent

Offices of Real Estate Agents and Brokers

High Confidence

7.2xGap Ratio

86% fewer businesses than national average

High Demand

Property BrokerReal Estate Agent

Local Density

0.65/10k

National Avg

4.65/10k

Local Businesses

NAICS Code

5312

Home Sales Agent

Offices of Real Estate Agents and Brokers

High Confidence

7.2xGap Ratio

86% fewer businesses than national average

High Demand

Property BrokerReal Estate Agent

Local Density

0.65/10k

National Avg

4.65/10k

Local Businesses

NAICS Code

53121

Home Sales Agent

Offices of Real Estate Agents and Brokers

High Confidence

7.2xGap Ratio

86% fewer businesses than national average

High Demand

Property BrokerReal Estate Agent

Local Density

0.65/10k

National Avg

4.65/10k

Local Businesses

NAICS Code

531210

Offices of Mental Health Practitioners (except Physicians) Business

Offices of Mental Health Practitioners (except Physicians)

High Confidence

6.3xGap Ratio

84% fewer businesses than national average

High Demand

Offices of Mental Health Practitioners (except Physicians) ServiceProfessional Offices

Local Density

0.20/10k

National Avg

1.22/10k

Local Businesses

NAICS Code

62133

hospitals or HMO medical centers

Offices of Mental Health Practitioners (except Physicians)

High Confidence

6.3xGap Ratio

84% fewer businesses than national average

High Demand

Local Density

0.20/10k

National Avg

1.22/10k

Local Businesses

NAICS Code

621330

Cleaning Service

Janitorial Services

4.5xGap Ratio

78% fewer businesses than national average

High Demand

Commercial CleaningHouse Cleaning

Local Density

0.39/10k

National Avg

1.77/10k

Local Businesses

NAICS Code

56172

Custodial services Service station cleaning and degreasing services Housekeeping (i

Janitorial Services

4.5xGap Ratio

78% fewer businesses than national average

High Demand

Local Density

0.39/10k

National Avg

1.77/10k

Local Businesses

NAICS Code

561720

dwellings

Lessors of Real Estate

High Confidence

4.0xGap Ratio

75% fewer businesses than national average

High Demand

equity real estate investment trusts (REITs) primarily engaged in leasing buildingsor other real estate property to others

Local Density

0.98/10k

National Avg

3.86/10k

Local Businesses

NAICS Code

5311

Professional Used

Used Car Dealers

2.8xGap Ratio

64% fewer businesses than national average

High Demand

Used Car Dealers BusinessUsed Car Dealers Service

Local Density

0.20/10k

National Avg

0.54/10k

Local Businesses

NAICS Code

44112

Antique auto dealers Light truck dealers

Used Car Dealers

2.8xGap Ratio

64% fewer businesses than national average

High Demand

passenger and cargo vanssport utility vehicles

Local Density

0.20/10k

National Avg

0.54/10k

Local Businesses

NAICS Code

441120

Concierge Service

All Other Personal Services

High Confidence

2.7xGap Ratio

63% fewer businesses than national average

High Demand

Errand ServicePersonal Shopper

Local Density

0.20/10k

National Avg

0.53/10k

Local Businesses

NAICS Code

81299

Concierge Service

All Other Personal Services

High Confidence

2.7xGap Ratio

63% fewer businesses than national average

High Demand

Errand ServicePersonal Shopper

Local Density

0.20/10k

National Avg

0.53/10k

Local Businesses

NAICS Code

812990

Building Finishing Contractors Business

Building Finishing Contractors

High Confidence

2.6xGap Ratio

62% fewer businesses than national average

High Demand

Building Finishing Contractors ServiceProfessional Building

Local Density

1.37/10k

National Avg

3.58/10k

Local Businesses

NAICS Code

2383

hospitals or HMO medical centers

Offices of All Other Health Practitioners

High Confidence

2.4xGap Ratio

58% fewer businesses than national average

High Demand

Local Density

0.46/10k

National Avg

1.09/10k

Local Businesses

NAICS Code

62139

Electrical Contractors and Other Wiring Installation Contractors Business

Electrical Contractors and Other Wiring Installation Contractors

2.2xGap Ratio

55% fewer businesses than national average

High Demand

Electrical Contractors and Other Wiring Installation Contractors ServiceProfessional Electrical

Local Density

0.98/10k

National Avg

2.19/10k

Local Businesses

NAICS Code

23821

Electrical Contractors and Other Wiring Installation Contractors Business

Electrical Contractors and Other Wiring Installation Contractors

2.2xGap Ratio

55% fewer businesses than national average

High Demand

Electrical Contractors and Other Wiring Installation Contractors ServiceProfessional Electrical

Local Density

0.98/10k

National Avg

2.19/10k

Local Businesses

NAICS Code

238210

Plumbing, Heating, and Air-Conditioning Contractors Business

Plumbing, Heating, and Air-Conditioning Contractors

2.2xGap Ratio

55% fewer businesses than national average

High Demand

Plumbing, Heating, and Air-Conditioning Contractors ServiceProfessional Plumbing

Local Density

1.37/10k

National Avg

3.04/10k

Local Businesses

NAICS Code

23822

Cooling tower installation Heating

Plumbing, Heating, and Air-Conditioning Contractors

2.2xGap Ratio

55% fewer businesses than national average

High Demand

air-conditioning (HVAC) contractors Duct work (eventilation

Local Density

1.37/10k

National Avg

3.04/10k

Local Businesses

NAICS Code

238220

building inspection services

Architectural, Engineering, and Related Services

2.2xGap Ratio

54% fewer businesses than national average

High Demand

drafting servicesgeophysical surveying and mapping services

Local Density

1.50/10k

National Avg

3.24/10k

Local Businesses

NAICS Code

5413

barber and beauty shops

Personal Care Services

2.1xGap Ratio

53% fewer businesses than national average

High Demand

that provide appearance care services to individual consumers

Local Density

2.21/10k

National Avg

4.69/10k

Local Businesses

NAICS Code

8121

hospitals or HMO medical centers

Offices of All Other Miscellaneous Health Practitioners

High Confidence

1.9xGap Ratio

47% fewer businesses than national average

High Demand

Local Density

0.46/10k

National Avg

0.86/10k

Local Businesses

NAICS Code

621399

Barber shops Hair stylist shops Beauty salons Nail salons Cosmetology salons Cross-References

Hair, Nail, and Skin Care Services

1.9xGap Ratio

47% fewer businesses than national average

High Demand

Local Density

1.95/10k

National Avg

3.66/10k

Local Businesses

NAICS Code

81211

are also included

Building Equipment Contractors

1.8xGap Ratio

44% fewer businesses than national average

High Demand

central vacuum cleaning systemselevators

Local Density

3.26/10k

National Avg

5.80/10k

Local Businesses

NAICS Code

2382

Other Professional, Scientific, and Technical Services Business

Other Professional, Scientific, and Technical Services

1.8xGap Ratio

44% fewer businesses than national average

High Demand

Other Professional, Scientific, and Technical Services ServiceProfessional Other

Local Density

1.24/10k

National Avg

2.20/10k

Local Businesses

NAICS Code

5419

Custom Home Construction

Residential Building Construction

High Confidence

1.8xGap Ratio

43% fewer businesses than national average

High Demand

Home Addition ServicesHome Builder

Local Density

3.45/10k

National Avg

6.08/10k

Local Businesses

NAICS Code

2361

Offices of Physical, Occupational and Speech Therapists, and Audiologists Business

Offices of Physical, Occupational and Speech Therapists, and Audiologists

1.7xGap Ratio

42% fewer businesses than national average

High Demand

Offices of Physical, Occupational and Speech Therapists, and Audiologists ServiceProfessional Offices

Local Density

0.78/10k

National Avg

1.34/10k

Local Businesses

NAICS Code

62134

Audiologists' offices Recreational (e

Offices of Physical, Occupational and Speech Therapists, and Audiologists

1.7xGap Ratio

42% fewer businesses than national average

High Demand

hospitals or HMO medical centers

Local Density

0.78/10k

National Avg

1.34/10k

Local Businesses

NAICS Code

621340

offices of notaries

Legal Services

1.6xGap Ratio

38% fewer businesses than national average

High Demand

paralegal servicesthose offered by offices of lawyers

Local Density

3.26/10k

National Avg

5.29/10k

Local Businesses

NAICS Code

5411

Professional Services

Services to Buildings and Dwellings

1.6xGap Ratio

37% fewer businesses than national average

High Demand

Services to Buildings and Dwellings BusinessServices to Buildings and Dwellings Service

Local Density

4.10/10k

National Avg

6.52/10k

Local Businesses

NAICS Code

5617

Barbershop

Beauty Salons

1.6xGap Ratio

37% fewer businesses than national average

High Demand

Beauty SalonHair Salon

Local Density

1.50/10k

National Avg

2.36/10k

Local Businesses

NAICS Code

812112

Concierge Service

Other Personal Services

1.5xGap Ratio

32% fewer businesses than national average

Moderate Demand

Errand ServicePersonal Shopper

Local Density

1.11/10k

National Avg

1.64/10k

Local Businesses

NAICS Code

8129

Professional Travel

Travel Arrangement and Reservation Services

High Confidence

1.4xGap Ratio

31% fewer businesses than national average

Moderate Demand

Travel Arrangement and Reservation Services BusinessTravel Arrangement and Reservation Services Service

Local Density

0.20/10k

National Avg

0.28/10k

Local Businesses

NAICS Code

5615

Accountant

Accounting, Tax Preparation, Bookkeeping, and Payroll Services

1.4xGap Ratio

30% fewer businesses than national average

Moderate Demand

Bookkeeping ServiceCPA

Local Density

2.74/10k

National Avg

3.88/10k

Local Businesses

NAICS Code

5412

auditing of accounting records

Accounting, Tax Preparation, Bookkeeping, and Payroll Services

1.4xGap Ratio

30% fewer businesses than national average

Moderate Demand

billingbookkeeping

Local Density

2.74/10k

National Avg

3.88/10k

Local Businesses

NAICS Code

54121

Consumer Goods Rental Business

Consumer Goods Rental

1.3xGap Ratio

25% fewer businesses than national average

Moderate Demand

Consumer Goods Rental ServiceProfessional Consumer

Local Density

0.20/10k

National Avg

0.26/10k

Local Businesses

NAICS Code

5322

Foundation, Structure, and Building Exterior Contractors Business

Foundation, Structure, and Building Exterior Contractors

1.3xGap Ratio

23% fewer businesses than national average

Moderate Demand

Foundation, Structure, and Building Exterior Contractors ServiceProfessional Foundation

Local Density

2.21/10k

National Avg

2.88/10k

Local Businesses

NAICS Code

2381

Accountant

Other Accounting Services

High Confidence

1.3xGap Ratio

22% fewer businesses than national average

Moderate Demand

Bookkeeping ServiceCPA

Local Density

0.91/10k

National Avg

1.17/10k

Local Businesses

NAICS Code

541219

portfolio management

Other Financial Investment Activities

High Confidence

1.3xGap Ratio

20% fewer businesses than national average

Moderate Demand

Local Density

1.89/10k

National Avg

2.35/10k

Local Businesses

NAICS Code

5239

Landscaping Services Business

Landscaping Services

High Confidence

1.2xGap Ratio

18% fewer businesses than national average

Moderate Demand

Landscaping Services ServiceProfessional Landscaping

Local Density

2.67/10k

National Avg

3.25/10k

Local Businesses

NAICS Code

56173

Landscaping Services Business

Landscaping Services

High Confidence

1.2xGap Ratio

18% fewer businesses than national average

Moderate Demand

Landscaping Services ServiceProfessional Landscaping

Local Density

2.67/10k

National Avg

3.25/10k

Local Businesses

NAICS Code

561730

Offices of Other Health Practitioners Business

Offices of Other Health Practitioners

1.2xGap Ratio

16% fewer businesses than national average

Moderate Demand

Offices of Other Health Practitioners ServiceProfessional Offices

Local Density

5.01/10k

National Avg

5.96/10k

Local Businesses

NAICS Code

6213

commercial furniture and equipment

Specialized Freight Trucking

1.1xGap Ratio

12% fewer businesses than national average

Moderate Demand

flatbedsinstitutional

Local Density

1.04/10k

National Avg

1.19/10k

Local Businesses

NAICS Code

4842

additions

Other Specialty Trade Contractors

1.0xGap Ratio

3% fewer businesses than national average

Balanced

alterationsmaintenance

Local Density

2.08/10k

National Avg

2.15/10k

Local Businesses

NAICS Code

2389

claims adjustment and third party administration

Agencies, Brokerages, and Other Insurance Related Activities

High Confidence

1.0xGap Ratio

0% more businesses than national average

Balanced

Local Density

4.17/10k

National Avg

4.19/10k

Local Businesses

NAICS Code

5242

Insurance Agent

Insurance Agencies and Brokerages

1.0xGap Ratio

3% more businesses than national average

Balanced

Insurance BrokerInsurance Sales

Local Density

3.91/10k

National Avg

3.78/10k

Local Businesses

NAICS Code

52421

Insurance Agent

Insurance Agencies and Brokerages

1.0xGap Ratio

3% more businesses than national average

Balanced

Insurance BrokerInsurance Sales

Local Density

3.91/10k

National Avg

3.78/10k

Local Businesses

NAICS Code

524210

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