The Bing Ads vs Google Ads question matters most to small businesses with limited budgets. Google is the default choice, but Microsoft Advertising (formerly Bing Ads) can deliver cheaper conversions for the right audiences. This comparison uses current market share data and platform documentation to help you decide where to spend first, and how to use both profitably.
Why do many small businesses waste money before seeing ROI?
Most small businesses lose money on paid search because they launch without conversion tracking, bid on broad keywords and judge platforms by cost per click instead of cost per customer. Choosing between Google and Bing matters less than fixing those basics.
Whichever platform you choose, set up conversion tracking first, use intent-driven keywords and review the search terms report every week.
How big is Bing compared with Google?
Google handles most U.S. searches. In September 2026, StatCounter measured Google at 85.19% of U.S. search engine market share across all devices, compared with 9.89% for Bing. On desktop the gap narrows: Google 74.71% and Bing 18.8%.
Those figures come from StatCounter's U.S. search engine market share and U.S. desktop market share data. Microsoft Search ads can also appear on partner sites such as Yahoo, AOL, DuckDuckGo and Ecosia, according to Microsoft Advertising, which extends reach beyond Bing itself.
Which platform has better ROI?
Google usually wins on volume, and Microsoft Advertising often wins on cost per click because fewer advertisers compete for the same keywords. ROI depends on whether your buyers search on desktop, work in business settings or use Microsoft devices.
Search volume: Google is far larger.
Competition: usually lower on Microsoft, which can lower CPC.
Audience: Microsoft skews toward desktop and work-related searches.
Targeting: Microsoft offers LinkedIn profile targeting; Google offers broader audience and YouTube options.
Setup effort: Microsoft can import Google campaigns, so a second channel takes hours, not weeks.
When should you use Google Ads?
Use Google Ads first when you need volume, sell to consumers on mobile, run local services, or want access to YouTube, Maps and Shopping. Its larger audience makes it the faster way to learn which keywords convert.
Google also offers the most mature automation, from Smart Bidding to Performance Max. Start with our guide to launching a profitable Google Ads campaign.
When should you use Microsoft Advertising?
Add Microsoft Advertising when your Google campaigns are profitable and you want more conversions at similar or lower cost, when you sell to businesses, or when your buyers search mostly on desktop computers at work.
Microsoft's audience targeting tools include LinkedIn profile targeting by company, industry and job function, which is valuable for B2B services. Its import tools bring over campaigns from Google Ads, Meta Ads and Pinterest Ads.
How should a small business split budget between Google and Bing?
Start with 100% on Google until you have profitable campaigns, then import into Microsoft Advertising with 10 to 20% of the search budget. Shift more toward whichever platform delivers the lower cost per customer.
Launch on Google and run it until cost per conversion is stable.
Import the best campaigns into Microsoft Advertising.
Lower bids slightly to start, then adjust based on conversions.
Review both monthly and move budget toward the better cost per customer.
How do you make either platform work?
Use intent-driven keywords, track every conversion, test ads constantly and review data weekly. These habits matter more than the choice of platform.
Use phrase and exact match for your highest-intent terms.
Add negatives every week.
Send each ad group to a matching landing page.
Judge results by cost per lead or sale.
What is the bottom line on Bing Ads vs Google Ads?
Google Ads should be the first paid search channel for nearly every small business because of its reach. Microsoft Advertising is usually the best second channel: easy to launch from imported campaigns, often cheaper per click and uniquely useful for B2B targeting.
Want help running both? Our Google Ads management team manages Google and Microsoft campaigns together. For local service businesses, read Google Ads for local businesses, and for cost control see how to lower Google Ads CPC.
