From November 2025 to May 2026, our research team tracked customer acquisition cost data across 1,600 small business client accounts, calculating CAC as total marketing and sales investment divided by total new customers acquired, recorded in Google Analytics GA4.
For small businesses, the average customer acquisition cost is $250 (weighted across all accounts in our dataset), though that figure varies significantly depending on the industry, the marketing channels being used, and how competitive the local market is. A financial advisor or mortgage broker can expect to pay $750 or more to acquire a new client, while a restaurant owner or pet grooming business typically acquires customers for under $60.
Customer acquisition cost is calculated by dividing your total sales and marketing investment by the number of new customers acquired during the same period:
CAC Formula
CAC = Total Sales and Marketing Investment / New Customers Acquired
At a Glance
Highest industry
$850
Financial & Wealth Management
Lowest industry
$32
Restaurants & Food Service
Cheapest channel
$18
Referral
Current average
$250
Source: Altus Marketing research
Average Customer Acquisition Cost by Small Business Industry
The table below presents average CAC across 36 small business industries, sorted from highest to lowest, based on data collected between November 2025 and May 2026.
| Industry | Avg. CAC | Range | Primary Acquisition Channel |
|---|---|---|---|
| Financial & Wealth Management | $850 | $620-$1,100 | Referrals, paid search, content marketing |
| Mortgage & Lending (Brokers) | $760 | $550-$980 | Referrals, paid search, real estate partnerships |
| Real Estate | $620 | $440-$820 | Referrals, Zillow/Realtor.com, paid search |
| Legal Services | $520 | $380-$690 | Paid search, SEO, referrals |
| Insurance (Independent Agents) | $440 | $310-$580 | Referrals, paid search, lead generation platforms |
| Dental & Orthodontics | $380 | $265-$520 | Referrals, SEO, Google Business Profile |
| Senior Care & Home Health Aide | $350 | $240-$480 | Referrals, SEO, paid search |
| Childcare & Early Education | $340 | $235-$460 | Referrals, SEO, social media |
| Wedding Services | $330 | $225-$445 | Wedding directories, referrals, social media |
| Accounting & Tax Services | $305 | $210-$415 | Referrals, SEO, paid search |
| Remodeling & General Contracting | $295 | $200-$395 | Referrals, SEO, paid search |
| Mental Health & Counseling | $265 | $180-$360 | Psychology Today, SEO, referrals |
| Physical Therapy & Rehabilitation | $255 | $175-$345 | Physician referrals, SEO, paid search |
| Healthcare & Medical Practices | $240 | $165-$325 | Referrals, SEO, Google Business Profile |
| Roofing | $235 | $160-$315 | Paid search, SEO, storm-event lead generation |
| Event Planning & Catering | $220 | $150-$295 | Referrals, social media, event directories |
| Photography & Creative Services | $200 | $135-$270 | Referrals, social media, SEO |
| Optometry & Eye Care | $190 | $130-$255 | Referrals, SEO, Google Business Profile |
| Tutoring & Test Prep | $185 | $125-$250 | Referrals, SEO, social media |
| IT Services & Computer Repair | $180 | $120-$245 | Referrals, SEO, paid search |
| Moving & Storage | $165 | $112-$225 | Paid search, SEO, moving directories |
| Chiropractic Care | $155 | $105-$210 | Referrals, SEO, Google Business Profile |
| Fitness & Wellness | $145 | $98-$195 | Social media, referrals, SEO |
| Automotive Services | $135 | $92-$180 | Google Business Profile, SEO, referrals |
| Home Services (HVAC, Plumbing, Electrical) | $125 | $85-$168 | Google Local Services Ads, SEO, referrals |
| Pool Service & Maintenance | $120 | $82-$162 | Referrals, SEO, Google Business Profile |
| Landscaping & Lawn Care | $110 | $75-$148 | Referrals, Google Business Profile, door hangers |
| Veterinary Services | $105 | $72-$140 | Referrals, SEO, Google Business Profile |
| Retail & E-commerce | $95 | $62-$128 | Social media, SEO, email marketing |
| Cleaning Services | $88 | $60-$118 | Referrals, SEO, Google Business Profile |
| Pest Control | $82 | $56-$110 | Paid search, SEO, Google Business Profile |
| Car Detailing | $72 | $48-$96 | Google Business Profile, social media, referrals |
| Beauty & Personal Care | $68 | $46-$92 | Referrals, social media, Google Business Profile |
| Appliance Repair | $62 | $42-$84 | Google Business Profile, paid search, SEO |
| Pet Services (Grooming, Boarding) | $55 | $36-$74 | Referrals, Google Business Profile, social media |
| Restaurants & Food Service | $32 | $20-$45 | Google Business Profile, social media, Yelp |
The data reveals two distinct CAC tiers across small business industries. High-ticket professional and advisory services, including financial planning, mortgage brokerage, real estate, and legal, carry the highest acquisition costs because their customers require extended trust-building, multiple touchpoints, and often a referral from a known source before committing. These industries generate fewer total customers per year but at significantly higher lifetime value per client, which justifies the elevated acquisition investment. Service businesses at the lower end of the table, including restaurants, pet services, appliance repair, and beauty, benefit from high local search intent, short decision cycles, and strong word-of-mouth dynamics that bring acquisition costs down naturally.
The Highest Customer Acquisition Cost Industries for Small Businesses
The table below identifies the six small business industries with the highest average customer acquisition costs, alongside the primary driver of elevated costs in each category.
The Six Highest CAC Industries
Financial & Wealth Management is the highest at $850; Dental & Orthodontics rounds out the six at $380.
$850
$760
$620
$520
$440
$380
Financial & Wealth Management
Mortgage & Lending
Real Estate
Legal Services
Insurance
Dental & Orthodontics
Source: Altus Marketing research
| Industry | Avg. CAC | Range | Primary Driver of High CAC |
|---|---|---|---|
| Financial & Wealth Management | $850 | $620-$1,100 | High-stakes, long-consideration decisions require multiple touchpoints; competitive paid search market drives up acquisition costs across all channels |
| Mortgage & Lending (Brokers) | $760 | $550-$980 | Rate-comparison behavior prolongs the decision cycle; real estate referral partnerships add cost; compliance constraints limit creative acquisition tactics |
| Real Estate | $620 | $440-$820 | National platforms like Zillow and Realtor.com command large referral fees; long research cycles and high transaction stakes require sustained relationship investment before a client commits |
| Legal Services | $520 | $380-$690 | Personal injury and criminal defense keywords carry some of the highest paid search CPCs in any industry; trust and specialization requirements limit how quickly a prospect converts |
| Insurance (Independent Agents) | $440 | $310-$580 | Independent agents compete directly against national carriers with large digital marketing budgets; lead generation platform fees inflate blended acquisition cost |
| Dental & Orthodontics | $380 | $265-$520 | New patient acquisition in competitive urban and suburban markets requires consistent investment in both paid and organic channels; orthodontic cases carry longer consideration periods than general dentistry |
The data reveals that the highest-CAC industries for small businesses are defined by two compounding factors: high advertiser competition and extended customer trust cycles. In each of these categories, the client’s decision carries significant financial, legal, or health consequences, which means the path from first awareness to commitment is longer and requires more consistent marketing presence to traverse. Small businesses in these industries that invest in referral systems, local authority content, and review management alongside paid acquisition consistently lower their effective CAC over time by reducing dependence on channels where competitor spending inflates costs.
The Lowest Customer Acquisition Cost Industries for Small Businesses
The table below identifies the six small business industries with the lowest average customer acquisition costs, alongside the primary factor keeping acquisition costs low in each category.
The Six Lowest CAC Industries
Restaurants & Food Service is the lowest at $32.
IndustryAvg. CAC
Restaurants & Food Service
$32
Pet Services (Grooming, Boarding)
$55
Appliance Repair
$62
Beauty & Personal Care
$68
Car Detailing
$72
Pest Control
$82
Source: Altus Marketing research
| Industry | Avg. CAC | Range | Primary Driver of Low CAC |
|---|---|---|---|
| Restaurants & Food Service | $32 | $20-$45 | High social referral volume, repeat customer behavior, and Google Business Profile-driven discovery keep acquisition costs minimal; most new customers come from existing customer recommendations |
| Pet Services (Grooming, Boarding) | $55 | $36-$74 | Strong repeat customer loyalty limits the volume of new customer acquisition needed; word-of-mouth referrals from pet owner communities drive low-cost organic discovery |
| Appliance Repair | $62 | $42-$84 | Emergency intent produces fast, high-intent conversions from organic and Google Business Profile channels; the short decision window means fewer touchpoints required before a customer commits |
| Beauty & Personal Care | $68 | $46-$92 | Social referral dynamics and appointment-based loyalty reduce the need for aggressive paid acquisition; satisfied customers regularly refer friends and family at scale |
| Car Detailing | $72 | $48-$96 | Low local keyword competition and high Google Business Profile conversion rates produce customers at minimal cost; referrals from detailing communities compound over time |
| Pest Control | $82 | $56-$110 | High urgency searches convert at very high rates from paid and organic channels; the short path from problem identification to service booking keeps the total acquisition cost low |
The data reveals that the lowest-CAC small businesses share one defining characteristic: their customers arrive already decided. Whether through a Google Business Profile search, a friend’s referral, or an emergency need, the visitor requires minimal persuasion before booking or calling. These businesses benefit from acquisition economics that improve over time as their reputation compounds within a local area. For small businesses in these categories, investing in Google Business Profile optimization, a consistent review acquisition strategy, and a simple referral incentive program produces the highest return on CAC reduction effort.
Average Customer Acquisition Cost by Marketing Channel
The channel a small business uses to acquire customers has as much impact on CAC as the industry it operates in. The table below presents the average customer acquisition cost by marketing channel for small businesses, sorted from lowest to highest.
Average CAC by Marketing Channel
Referral / Word of Mouth is the lowest at $18.
ChannelAvg. CAC
Referral / Word of Mouth
$18
Google Business Profile
$52
Email Marketing (existing list)
$58
Google Local Services Ads
$95
SMS / Text Marketing
$98
Organic SEO
$142
Yelp / Local Directories
$158
Retargeting / Remarketing
$185
Content Marketing
$195
Social Media Ads (Facebook / Instagram)
$242
TikTok Ads
$265
Google Search Ads
$312
Direct Mail
$388
Display Advertising
$445
YouTube Ads
$492
Source: Altus Marketing research
| Channel | Avg. CAC | Range | Close Rate | Best-Fit Industries |
|---|---|---|---|---|
| Referral / Word of Mouth | $18 | $10-$28 | Very High | All local service industries |
| Google Business Profile | $52 | $35-$72 | Very High | Restaurants, home services, dental, beauty |
| Email Marketing (existing list) | $58 | $38-$82 | High | Professional services, fitness, e-commerce |
| Google Local Services Ads | $95 | $62-$132 | High | Home services, legal, healthcare |
| SMS / Text Marketing | $98 | $65-$138 | High | Restaurants, beauty, fitness, retail |
| Organic SEO | $142 | $92-$198 | Medium-High | All local industries |
| Yelp / Local Directories | $158 | $104-$218 | Medium-High | Home services, restaurants, legal |
| Retargeting / Remarketing | $185 | $122-$255 | Medium-High | E-commerce, professional services |
| Content Marketing | $195 | $128-$268 | Medium | Professional services, financial, healthcare |
| Social Media Ads (Facebook / Instagram) | $242 | $158-$332 | Medium | E-commerce, beauty, fitness, restaurants |
| TikTok Ads | $265 | $172-$362 | Medium | Beauty, restaurants, fitness, retail |
| Google Search Ads | $312 | $205-$428 | Medium-High | Legal, home services, healthcare |
| Direct Mail | $388 | $252-$532 | Low-Medium | Home services, dental, real estate |
| Display Advertising | $445 | $290-$612 | Low | Brand awareness, retargeting audiences |
| YouTube Ads | $492 | $320-$675 | Low-Medium | Education, home improvement |
The data reveals a clear divide between relationship-driven and intent-driven channels at the low end, and awareness-based paid channels at the high end. Referrals and Google Business Profile produce the lowest CAC for small businesses because both sources deliver customers who are already predisposed to trust the business before making contact. Organic SEO sits in the mid-range but is the only channel in the table whose CAC decreases over time as authority compounds, making it the strongest long-term channel investment for most local businesses. For businesses in the highest-CAC industries like legal and financial services, Google Search Ads remain a necessary channel despite their cost because the high lifetime value of each client justifies the acquisition investment. Businesses that build referral systems and organic SEO as their primary channels and use paid acquisition selectively to fill gaps consistently achieve the lowest blended CAC over time.
Average Customer Acquisition Cost by Year: 2023-2026
Customer acquisition costs for small businesses have risen consistently across all four years as digital advertising competition increased and organic channels required greater investment to maintain performance. The table below tracks average small business CAC from 2023 through 2026.
| Year | Avg. Small Business CAC | Range | Primary Driver of Cost Change |
|---|---|---|---|
| 2023 | $188 | $18-$680 | Post-pandemic digital acceleration drove small businesses into paid channels for the first time at scale, increasing competition and baseline acquisition costs across industries |
| 2024 | $212 | $20-$740 | Rising Google Ads CPCs and Meta ad costs pushed blended CAC higher; referral and organic programs grew in adoption as cost offsets |
| 2025 | $232 | $22-$800 | AI-generated content flooded organic search, requiring greater content investment to maintain SEO-driven acquisition efficiency |
| 2026 | $250 | $32-$850 | Generative engine optimization added new investment requirements; paid channel costs continued rising while organic CAC held relatively stable for businesses with established authority |
The data reveals a 33% increase in average small business CAC from 2023 to 2026, driven primarily by rising paid advertising costs rather than increases in organic acquisition cost. Businesses that built strong referral systems and SEO authority during 2023 and 2024 are experiencing relatively stable CAC in 2026 because their organic and word-of-mouth acquisition costs have remained consistent, even as paid channel costs continued to climb. The businesses seeing the steepest CAC increases are those that remained dependent on paid acquisition without building parallel organic and referral channels during the period when those foundations were less expensive to establish.
Key Insights
- The data reveals two distinct CAC tiers across small business industries.
- The highest-CAC industries for small businesses are defined by two compounding factors: high advertiser competition and extended customer trust cycles.
- The lowest-CAC small businesses share one defining characteristic: their customers arrive already decided.
- The data reveals a clear divide between relationship-driven and intent-driven channels at the low end, and awareness-based paid channels at the high end.
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Related Reading
- Average Cost Per Lead by Industry: 2026
- Average SEO Conversion Rate by Small Business Industry: 2026
- How Much Does SEO Cost for a Small Business: 2026
- SEO Benchmarks by Small Business Industry: 2026
Sources
- Altus Marketing Research Study. Altus Marketing, New York, NY. June 2026.
- Flyweel. “CPL/CAC Benchmarks Index 2026 (Service Industries).” Flyweel. 2026. https://www.flyweel.co/blog/cpl-cac-benchmarks-index-2026
- Amra and Elma. “Top 20 Customer Acquisition Cost Statistics 2026.” Amra and Elma. 2026. https://www.amraandelma.com/customer-acquisition-cost-statistics/
- First Page Sage. “Average Customer Acquisition Cost by Industry: B2B Edition.” Evan Bailyn, First Page Sage. 2026. https://firstpagesage.com/reports/average-customer-acquisition-cost-cac-by-industry-b2b-edition-fc/
- Retainful. “Customer Acquisition Cost: E-commerce Benchmarks and Guide.” Retainful. 2026. https://www.retainful.com/blog/customer-acquisition-cost-ecommerce
