LinkedIn Ads vs. Google Ads for B2B SaaS: Which Platform Wins?

The definitive comparison for SaaS marketers: intent vs. targeting, cost vs. quality, and when to use each platform (or both).
LinkedIn Ads vs. Google Ads for B2B SaaS: Which Platform Wins?
LinkedIn Ads vs. Google Ads for B2B SaaS: Which Platform Wins?

You've got budget. You've got a great product. Now you need to decide: LinkedIn Ads or Google Ads?

It's one of the most common questions B2B SaaS marketers face, and the stakes are high. Choose wrong, and you'll burn thousands of dollars on campaigns that don't convert. Choose right, and you'll build a scalable, predictable pipeline machine.

Here's the truth: this isn't an either/or question for most successful SaaS companies. LinkedIn and Google solve different problems, target different moments in the buyer journey, and excel at different objectives.

But if you're just getting started or working with limited budget, you need to pick one. This guide will help you make that decision based on data, not hunches.

The Fundamental Difference: Intent vs. Targeting

Before we compare costs, features, and performance, you need to understand the core philosophical difference between these platforms:

Google Ads Captures Demand

Google is about intent. People are actively searching for solutions right now. When someone types "best CRM for small business" into Google, they're expressing buying intent in real-time.

Google Ads puts your solution in front of people who are actively looking for what you sell. This is called "demand capture"—meeting prospects where they already are in their search for solutions.

Example: A marketing director realizes their email platform isn't cutting it anymore. They Google "email marketing software for B2B." Your Google ad appears at the top of search results with exactly the solution they're looking for. That's intent-based targeting.

LinkedIn Ads Creates Demand

LinkedIn is about targeting. People aren't searching for products—they're consuming professional content, networking, and staying informed about their industry.

LinkedIn Ads puts your message in front of the right people based on who they are, not what they're searching for. This is called "demand generation"—creating awareness and interest among people who fit your ideal customer profile, even if they're not actively looking yet.

Example: That same marketing director is scrolling LinkedIn during their morning coffee. They're not thinking about email platforms yet. But your targeted ad appears in their feed highlighting a pain point they recognize: "Tired of marketing emails landing in spam?" Now they're aware of a problem—and your solution. That's demographic-based targeting.

The strategic insight: Google catches people when they have a problem. LinkedIn catches people when they have budget.

Reference: Aimers SaaS Advertising Comparison

Cost Comparison: What You'll Actually Pay

Let's start with the numbers everyone wants to know. Here's what each platform costs for B2B SaaS advertisers in 2025:

Metric

LinkedIn Ads

Google Ads (Search)

Google Ads (Display)

Cost Per Click (CPC)

$5.58 - $10.00

$3 - $10 (avg $5)

$0.50 - $3.00

Cost Per Impression (CPM)

$33.80 - $55.00

$2 - $10

$2 - $10

Click-Through Rate (CTR)

0.44% - 0.65%

3.2% (search)

0.9% (display)

Conversion Rate

1% - 3%

2% - 5% (search)

0.8% - 2.45% (display)

Cost Per Lead (CPL)

$30 - $90

$20 - $80

$30 - $100

Return on Ad Spend (ROAS)

$1.13 per $1

$0.78 per $1

$0.40 - $0.60 per $1

Key takeaway: Google has lower CPCs and higher CTRs, while LinkedIn has better ROAS and higher-quality leads despite higher costs.

References: Swydo ROI Data, Seven Atoms Platform Comparison

Why LinkedIn Is More Expensive (And Sometimes Worth It)

LinkedIn's premium pricing reflects several realities:

1. Smaller audience pool: 930 million LinkedIn users vs. 8.5 billion Google searches per day

2. Higher-quality professional data: LinkedIn knows job titles, seniority, company size, and industry

3. More qualified B2B audience: 80% of B2B leads come from LinkedIn

4. Less competition (for now): Google's search auction is hypercompetitive for B2B keywords

For B2B companies selling high-ticket solutions ($50K+ annual contracts), LinkedIn's higher CPL often results in better ROI because lead quality and conversion rates to closed deals are superior.

Targeting Capabilities: Precision vs. Scale

This is where the platforms diverge most dramatically.

Google Ads Targeting: Intent-Based

Google's targeting revolves around keywords and audience signals:

Search Ads:

  • Keyword targeting: Bid on specific search terms like "project management software" or "CRM for startups"

  • Match types: Exact, phrase, broad—control how closely searches must match your keywords

  • Negative keywords: Exclude irrelevant searches to avoid wasted spend

Display/YouTube:

  • Topics: Reach people browsing content about specific subjects

  • Placements: Choose specific websites or YouTube channels

  • In-market audiences: Target people actively researching products in your category

  • Affinity audiences: Reach people based on long-term interests and habits

  • Demographics: Age, gender, parental status, household income

Remarketing:

  • Website visitors from the past 30-540 days

  • YouTube video viewers

  • Customer list matching

Strength: Google excels at capturing high-intent searches—people actively looking for solutions right now.

Weakness: You can't natively target by job title, company size, or professional seniority. While you can layer in audience attributes, Google's professional targeting isn't close to LinkedIn's precision.

Reference: Oren Greenberg Platform Analysis

LinkedIn Ads Targeting: Demographic-Based

LinkedIn's targeting is built around professional attributes:

Job Experience:

  • Job title (e.g., "Chief Marketing Officer," "Sales Director")

  • Job function (Marketing, Sales, Engineering, Finance)

  • Seniority (Entry, Senior, Manager, Director, VP, C-Suite)

  • Years of experience

  • Member skills

Company Attributes:

  • Company name (target specific organizations for ABM)

  • Company size (1-10, 11-50, 51-200, 201-500, 501-1000, etc.)

  • Company industry (Computer Software, Financial Services, etc.)

  • Company growth rate

Education:

  • Degree

  • Field of study

  • Schools attended

Interests & Behavior:

  • Member groups

  • Member interests based on profile activity

Matched Audiences (Advanced):

  • Upload email lists (contact targeting)

  • Website visitors (retargeting via LinkedIn Insight Tag)

  • Account lists (ABM campaigns)

  • Lookalike audiences

Strength: Unmatched precision for reaching specific professional personas. No other platform lets you target "VPs of Marketing at 500-1000 person SaaS companies."

Weakness: You can't target people based on what they're searching for right now. Everyone sees your ad based on who they are, not what problem they're trying to solve today.

Example comparison:

  • Google: "Show my ad to anyone searching for 'marketing automation software'"

  • LinkedIn: "Show my ad to Marketing Directors at B2B SaaS companies with 50-200 employees"

Reference: Aspire B2B Comparison

Ad Formats: What You Can Run

Both platforms offer diverse formats, but they serve different purposes.

Google Ads Formats

Search Ads:

  • Text-only ads above/below search results

  • Extensions (site links, callouts, structured snippets)

  • Call extensions for phone leads

Display Ads:

  • Image banners across Google Display Network

  • Responsive display ads (auto-optimized)

  • Native ads that match site content

Video Ads (YouTube):

  • Skippable in-stream ads (5 seconds before skip)

  • Non-skippable ads (15-20 seconds)

  • Bumper ads (6 seconds, can't skip)

  • Discovery ads (in YouTube search/home)

Shopping Ads:

  • Product listings with images and prices (limited B2B application)

Performance Max:

  • Automated campaigns across all Google properties

  • AI-driven optimization and placement

Best for: Search ads dominate for B2B SaaS. Display and YouTube work well for remarketing and brand awareness.

LinkedIn Ads Formats

Sponsored Content (Feed Ads):

  • Single image ads (1200 x 1200px / 1:1 recommended )

  • Video ads (3 sec - 30 min, recommend under 30 sec)

  • Carousel ads (2-10 swipeable cards)

  • Document ads (PDFs viewable directly in feed)

  • Event ads (promote LinkedIn events)

Sponsored Messaging (InMail):

  • Message ads (one-to-one messages in inbox)

  • Conversation ads (interactive, choose-your-own-path)

Text Ads:

  • Small ads in right rail (desktop only)

  • Cheapest format, lower engagement

Dynamic Ads:

  • Follower ads (personalized with user's photo)

  • Spotlight ads (product promotion with personalization)

  • Job ads (promote open positions)

Best for: Single image and video ads dominate for B2B SaaS. Lead Gen Forms (available on Sponsored Content) convert exceptionally well.

Reference: HawkSEM Ad Format Comparison

Conversion Performance: Quality vs. Quantity

Here's where things get interesting. Google typically generates more leads. LinkedIn generates better leads.

Google Ads Performance Data

Search Campaigns:

  • CTR: 3.2% average for B2B SaaS

  • Conversion Rate: 2-5% (landing page dependent)

  • Cost Per Lead: $20-$80

  • Lead Volume: High—Google processes 8.5 billion searches daily

Display Campaigns:

  • CTR: 0.9% average

  • Conversion Rate: 0.8-2.45%

  • Remarketing: 2.45% conversion rate (significantly higher than cold traffic)

Strengths:

  • Higher CTRs and conversion rates on search

  • Lower cost per lead

  • Massive volume—can scale indefinitely

  • Excellent for bottom-of-funnel conversions

Weaknesses:

  • Lead quality can be inconsistent

  • B2B keywords are expensive and competitive

  • Requires strong landing page optimization

  • Click fraud and low-quality traffic on Display Network

Reference: Swydo B2B Benchmarks

LinkedIn Ads Performance Data

Sponsored Content Campaigns:

  • CTR: 0.44-0.65% average

  • Conversion Rate: 1-3%

  • Cost Per Lead: $30-$90

  • Lead Volume: Lower than Google, but higher quality

Lead Gen Forms:

  • Conversion Rate: 10-15% (dramatically higher than landing pages)

  • Native forms auto-fill user data, removing friction

Strengths:

  • Higher-quality leads aligned with ICP

  • Better lead-to-customer conversion rates

  • Superior ROAS ($1.13 vs. $0.78 for Google)

  • Native forms eliminate landing page friction

  • Longer-term relationship building

Weaknesses:

  • Lower CTRs require compelling creative

  • Higher cost per lead

  • Smaller overall reach

  • Requires patience—not built for immediate conversions

The strategic trade-off: Google gives you more leads cheaper. LinkedIn gives you fewer leads that are more likely to buy.

Reference: Aimers Performance Comparison

Use Cases: When to Choose Each Platform

Let's get practical. When does each platform make sense?

Choose Google Ads When:

You have strong branded search volume If people are already searching for your company name or product, capitalize on that intent.

You're targeting bottom-of-funnel conversions Search ads capture people actively looking for solutions—perfect for demo requests and free trial sign-ups.

You have clear product-market fit Google works best when you know exactly what keywords your buyers use.

You need immediate results Search traffic converts faster than awareness-driven LinkedIn campaigns.

You're targeting high-volume, lower-cost products If your ACV is under $5K, Google's lower CPL makes the math work better.

You want to dominate a specific search category Own the SERP for your primary keywords to block competitors.

Example: A project management SaaS with strong brand recognition uses Google Search Ads to capture branded searches and bottom-funnel keywords like "project management software free trial."

Choose LinkedIn Ads When:

You're targeting specific job titles or seniority levels Need to reach VPs, directors, or C-suite? LinkedIn is the only scalable option.

You're running account-based marketing (ABM) Target named accounts directly or build lists of companies matching your ICP.

You need to create category awareness People aren't searching for your solution yet because they don't know the category exists.

You're selling high-ticket, complex solutions Enterprise software with $50K+ contracts justifies LinkedIn's higher CPL through better lead quality.

You have a longer sales cycle LinkedIn excels at multi-touch nurturing over 3-12 months.

Brand awareness and thought leadership matter Build recognition among your target audience before they're actively buying.

Example: An AI-powered security platform uses LinkedIn to reach CISOs and IT directors at Fortune 1000 companies—decision-makers who aren't actively searching yet but fit the perfect ICP.

Reference: Factors Platform Selection Guide

The Funnel-Based Strategy: Why Not Both?

Here's the secret successful SaaS companies know: LinkedIn and Google aren't competitors—they're complements.

Full-Funnel Approach

Top of Funnel (Awareness): LinkedIn

  • Sponsored Content with thought leadership

  • Video ads explaining industry problems

  • Document ads with valuable research

  • Goal: Build awareness and educate market

Middle of Funnel (Consideration): LinkedIn + Google Display

  • LinkedIn retargeting for engaged audiences

  • Google Display remarketing for website visitors

  • Comparison content and case studies

  • Goal: Nurture prospects toward evaluation

Bottom of Funnel (Conversion): Google Search + LinkedIn Lead Gen

  • Google Search Ads for high-intent keywords

  • LinkedIn Lead Gen Forms for demo requests

  • Google remarketing for abandoned sign-ups

  • Goal: Capture ready-to-buy prospects

The Synergy Effect

Research shows audiences exposed to both platforms are 6 times more likely to convert than those seeing only one.

Here's why: LinkedIn builds awareness and credibility. When prospects later Google your category, they recognize your brand and are more likely to click. This is called "assisted conversions"—LinkedIn doesn't get credit in last-click attribution, but it made the Google conversion possible.

According to Brixon Group analysis, 42% of LinkedIn conversions were prepared by previous Google touchpoints, and vice versa. The platforms work together, not in isolation.

Reference: Brixon Multi-Channel Attribution

Budget Allocation Framework

If you're running both platforms, how should you split your budget?

Starting Budget: $5,000-$10,000/Month

LinkedIn: 60% ($3,000-$6,000)

  • Cold prospecting to core ICP

  • Focus on Lead Gen Forms

  • Build retargeting audiences

Google: 40% ($2,000-$4,000)

  • Branded search campaigns

  • High-intent category keywords

  • Display remarketing

Why LinkedIn-heavy: You need to build awareness first. Google performs better when prospects already know you exist.

Growth Budget: $10,000-$25,000/Month

LinkedIn: 50% ($5,000-$12,500)

  • Expanded audience segments

  • ABM for high-value accounts

  • Video and multiple formats

Google: 50% ($5,000-$12,500)

  • Aggressive search expansion

  • YouTube for brand awareness

  • Performance Max testing

Why 50/50: Both platforms scale effectively at this level.

Enterprise Budget: $25,000+/Month

Dynamic allocation based on performance:

  • Measure cost per SQL (Sales Qualified Lead)

  • Track multi-touch attribution

  • Shift budget to highest-performing channel each month

  • Test aggressively on both platforms

Typical split: 40-60% split favoring whichever platform delivers lower CAC for your specific ICP.

Attribution: Measuring What Actually Works

Here's where things get complicated. LinkedIn and Google require different measurement approaches.

Last-Click Attribution (Traditional)

Google typically wins in last-click models because it captures bottom-funnel intent. But this is misleading—it ignores all the awareness-building that made that click possible.

Multi-Touch Attribution (Accurate)

When you implement proper multi-touch attribution, LinkedIn's contribution becomes clear. A typical B2B SaaS journey looks like:

  1. See LinkedIn ad introducing solution (LinkedIn gets awareness credit)

  2. Visit website to learn more (Direct traffic, but LinkedIn-influenced)

  3. Google company name a week later (Google Search gets credit, but LinkedIn-initiated)

  4. Return via LinkedIn retargeting ad (LinkedIn gets nurture credit)

  5. Google "Product Name demo" and convert (Google gets conversion credit)

In last-click attribution, Google gets 100% credit. In multi-touch attribution, LinkedIn gets 40-50% credit.

Companies with mature multi-touch attribution models achieve 27% higher marketing ROI than companies using last-click models, according to Gartner analysis.

Reference: Brixon Attribution Study

Key Metrics to Track by Platform

LinkedIn:

  • Engagement rate (clicks, likes, comments, shares)

  • Cost per engaged user

  • Assisted conversions (influenced deals)

  • Deal size for LinkedIn-sourced leads

Google:

  • Search impression share (% of available impressions you're capturing)

  • Quality Score (impacts CPC)

  • Conversion rate by keyword

  • ROAS by campaign type

The Verdict: Which Platform Should You Choose?

If you can only pick one platform right now:

Choose Google Ads If:

  • Your product has clear, searchable use cases

  • Buyers actively search for your solution

  • You need quick wins and immediate lead flow

  • Your ACV is under $10K

  • You have limited budget (under $5K/month)

  • You're focused exclusively on bottom-funnel conversions

Choose LinkedIn Ads If:

  • Your solution is complex or new-to-market

  • Buyers don't know to search for your category yet

  • You need precise targeting by job title/company

  • Your ACV is over $10K

  • You're comfortable with a 60-90 day optimization period

  • You want to build brand awareness simultaneously with lead gen

Run Both If:

  • You have budget over $10K/month

  • You want full-funnel coverage

  • You're willing to implement proper attribution

  • You're selling enterprise-level solutions

  • You need both demand creation and demand capture

Making Your Decision

Ask yourself these three questions:

1. "Are my prospects actively searching for my solution?"

  • Yes → Google

  • No → LinkedIn

  • Sometimes → Both

2. "Can I describe my ideal customer by professional attributes?"

  • Yes → LinkedIn

  • No → Google

  • Both → Both

3. "Do I need leads this month or am I building for 6-12 months?"

  • This month → Google

  • 6-12 months → LinkedIn

  • Both → Both

Creative Production: The Hidden Cost

Here's something most platform comparisons ignore: the cost of actually creating ads.

Google Search: Text-only ads are fast and cheap to produce. Display and YouTube require design and video work.

LinkedIn: Every campaign needs professional creative—images, video, or documents. Creating high-quality LinkedIn ads traditionally costs $500-$2,000 per batch through designers and copywriters.

This is where many SaaS companies struggle. You know LinkedIn targeting is better, but producing enough creative variations to test effectively becomes a bottleneck.

The solution: Tools like Stirling eliminate this friction by automatically generating professional LinkedIn ads optimized for B2B audiences in 3 minutes. Instead of waiting weeks for creative and paying thousands per batch, you can produce unlimited variations instantly, making LinkedIn advertising as operationally simple as Google Search.

Final Recommendations

If you're just getting started: Begin with Google Search Ads to capture existing demand and generate quick wins. Once you have a baseline and are ready to scale, add LinkedIn to build awareness and reach new audiences.

If you're scaling: Run both platforms with proper attribution to understand their true contribution. Allocate budget dynamically based on cost per SQL and customer acquisition cost by channel.

If you're enterprise: Deploy sophisticated full-funnel strategies across both platforms, using LinkedIn for top-of-funnel awareness and ABM, Google for bottom-funnel capture, and integrated retargeting across both.

The B2B SaaS companies with the most predictable, scalable growth engines don't choose between LinkedIn and Google—they master both.

Additional Resources: