The case for Microsoft Ads usually starts with one number: CPCs that run 20–35% lower than Google for the same keywords. That’s real. It’s also not the whole picture — because lower cost-per-click only matters if the clicks convert, and that depends entirely on whether your audience uses Bing.
Here’s an honest comparison. Not a vendor pitch for either platform.
Market Share: The Gap Is Not Closing
Google holds approximately 91–92% of the global search market. Microsoft (Bing + Yahoo + DuckDuckGo, which uses Bing results) accounts for roughly 6–8% in the US, closer to 5% globally.
In practical terms: if a keyword gets 10,000 monthly searches on Google, the same keyword gets roughly 600–800 on Bing. Lower volume means less data, slower optimization cycles, and less flexibility for testing.
For most small businesses, this makes Microsoft Ads a secondary channel — not a replacement.
The Demographic Difference (and Why It Matters)
Microsoft’s user base skews older, more affluent, and more Windows-native. Comscore data consistently shows Bing’s audience is disproportionately 35–65+, college-educated, and household income $75K+. They’re also more likely to be using desktop.
This matters more for some businesses than others:
- Financial services, insurance, legal: Bing’s demographic aligns well. A 55-year-old researching estate planning attorneys is a better match for Bing’s audience than a 24-year-old looking for a mobile app.
- B2B software and services: Many corporate desktops still default to Edge/Bing. B2B accounts frequently report competitive performance on Microsoft Ads.
- E-commerce targeting younger demographics: Bing volume is too thin to matter, and the audience skew works against you.
- Local service businesses: Mixed results. Test it for six weeks before committing budget.
CPC Comparison: The Real Numbers
Industry averages from 2025 data across major verticals:
| Vertical | Google Avg CPC | Microsoft Avg CPC | Difference |
|---|---|---|---|
| Legal services | $6–$12 | $3.50–$7 | ~40% lower |
| Financial services | $3–$8 | $2–$5 | ~35% lower |
| Home services | $4–$10 | $2.50–$6 | ~35% lower |
| B2B SaaS | $8–$20 | $5–$13 | ~30% lower |
| E-commerce | $0.50–$2 | $0.40–$1.50 | ~20% lower |
Lower CPC doesn’t automatically mean lower CPA. If Bing’s traffic converts at 60% the rate of Google’s for your business, a 35% CPC reduction nets you a 12% CPA improvement — still worth it, but not the windfall the headline number implies.
Platform Features: Where Each Wins
Google Ads Advantages
Audience reach: 92% of search. No substitute for this if volume matters.
Performance Max: Google’s AI-driven campaign type spans Search, Display, YouTube, Shopping, and Gmail simultaneously. Microsoft has no equivalent.
YouTube advertising: Microsoft has no video inventory comparable to YouTube’s reach and targeting depth.
Smart Bidding maturity: Google’s machine learning for Target CPA and Target ROAS has more data, more iterations, and better performance in high-volume accounts.
Shopping campaigns: If you run e-commerce, Google Shopping dominates. Microsoft Shopping exists but volume is a fraction.
Microsoft Ads Advantages
LinkedIn audience targeting: Microsoft owns LinkedIn. You can layer LinkedIn profile data — job title, company, industry — onto search campaigns. This is genuinely unique and valuable for B2B.
Lower competition in some verticals: Fewer advertisers bidding aggressively means your budget goes further. In legal and financial specifically, Google keyword auctions are brutally competitive.
Import from Google Ads: Microsoft lets you import your Google campaigns directly. Setup time for a second account is measured in hours, not weeks.
Customer match: Microsoft’s customer list matching works similarly to Google’s, with fewer restrictions on data use.
Transparent placement reporting: Microsoft historically provides more granular placement data for display/native ads.
Campaign Management: What Changes Between Platforms
The interfaces are similar enough that anyone running Google Ads can learn Microsoft Ads in a day. The structural differences:
Ad formats: Responsive Search Ads work the same way on both platforms. Microsoft calls call extensions “Call Ad Extensions” — same function, different name.
Bidding: Both platforms support manual CPC, Enhanced CPC, Target CPA, Target ROAS, and Maximize Conversions. Microsoft’s Smart Bidding learns slower due to lower volume — budget at least 60 days of data before switching off manual bidding.
Audience targeting: Microsoft’s in-market audiences are less granular than Google’s. LinkedIn targeting (B2B) is the offset.
Negative keywords: Both platforms use the same match type logic. Your Google negative keyword lists can be imported directly.
Conversion tracking: Set up separately. Don’t assume your Google tag fires on Microsoft — you need the UET (Universal Event Tracking) tag from Microsoft Ads.
The Budget Question: How to Allocate
A practical framework for small-to-mid budgets:
- Under $1,500/month: Spend it all on Google. Bing volume is too thin at this budget to generate statistically meaningful data.
- $1,500–$5,000/month: Allocate 80–85% to Google, 15–20% to Microsoft. Use the import feature, let it run for 60 days, compare CPAs.
- $5,000+/month: Meaningful Microsoft Ads testing is warranted, especially in high-CPC verticals. B2B advertisers should run LinkedIn profile targeting as a test.
If your business is in legal, financial, or B2B services — and you’re not running Microsoft Ads yet — you’re probably leaving cost-effective leads on the table. Not guaranteed. But worth 60 days of budget.
Conversion Tracking Setup
This is where most multi-platform advertisers get sloppy. Running both platforms with only Google conversion tracking means your Microsoft campaigns are flying blind on bid optimization.
Microsoft UET tag: Install via Google Tag Manager (same container, new tag). Go to Microsoft Ads → Tools → UET Tags → Create New. Drop the tag into GTM as a Custom HTML tag with trigger “All Pages.”
Conversion actions: Mirror your Google conversion actions in Microsoft. Form submissions, calls, purchases — set them up separately in Microsoft Ads Conversion Tracking.
Smart Bidding on Microsoft requires conversion data to optimize. Without the UET tag and conversion actions, your Microsoft campaigns will optimize for clicks — which is not what you want.
Reporting and Attribution
Both platforms have their own attribution models, and neither fully credits the other. If someone clicks a Microsoft Ads result on Monday and a Google Ads result on Friday before converting, both platforms may claim the conversion.
Use GA4 as your cross-channel source of truth. Import GA4 goals into both platforms, and use GA4’s traffic acquisition reports to see how each channel contributes — assisted and last-click — before making budget decisions.
FAQ
Should I run Microsoft Ads at all? If you’re spending $1,500+/month on Google Ads and operate in a high-CPC vertical (legal, financial, B2B), yes — test it. The import from Google makes setup fast. If you sell products primarily to people under 35, the demographic skew makes Bing less compelling.
Is Microsoft Ads the same as Bing Ads? Yes. Microsoft rebranded Bing Ads to Microsoft Advertising in 2019. The platform includes placements on Bing, Yahoo, DuckDuckGo (Bing-powered), MSN, and the Microsoft Audience Network.
Can I just import my Google campaigns into Microsoft? You can import campaign structure, keywords, ads, and extensions. You cannot import conversion tracking — that requires the UET tag setup separately. Quality Scores also reset; expect different performance initially.
Do Quality Scores work the same way on both platforms? Yes — both use a 1–10 quality score based on expected CTR, ad relevance, and landing page experience. The same optimization principles apply: tighter ad groups, stronger ad-to-keyword relevance, fast landing pages.
Which platform has better customer support? Microsoft Ads, consistently. They offer dedicated account representatives at lower spend thresholds than Google, and their support response times are meaningfully faster. For advertisers spending $500+/month, Microsoft often assigns a rep proactively.
What’s the minimum budget to test Microsoft Ads effectively? $500/month for 60 days gives you enough data to evaluate performance in most verticals. Below $300/month, the data volume is too thin to draw conclusions.
Running both platforms effectively requires proper conversion tracking on each and enough budget to generate meaningful data. Our Google Ads management covers campaign structure, conversion tracking, and ongoing optimization — and we’ll tell you honestly whether Bing is worth your budget before you spend it. Get started or audit your current paid search setup at honest.designodin.com.