Google Ads Bidding Strategies for SaaS
Smart bidding is only as smart as the conversions you give it. Here's how to choose and change strategies as the account matures.
Which bidding strategies are available?
Google Ads offers manual CPC, Maximize clicks and four Smart Bidding strategies: Maximize conversions, target CPA, Maximize conversion value and target ROAS. Smart Bidding sets a bid in every auction based on the likelihood of a conversion, so it is only as good as the conversions you tell it to pursue.
Google describes Smart Bidding as strategies that use its AI to optimize for conversions or conversion value in each auction, in its Smart Bidding overview. Manual CPC and Maximize clicks don’t use conversion data, which makes them useful when you have none.
Which strategy fits each stage?
Use Maximize clicks with a cost-per-click cap while a new account collects data, move to Maximize conversions once qualified conversions arrive steadily, then set a target CPA. Move to value-based bidding when CRM stages with values flow back into Google Ads.
| Account stage | Strategy | Switch when |
|---|---|---|
| New, little conversion data | Maximize clicks with a CPC cap, or manual CPC | Tracking is proven and qualified conversions arrive every week |
| Steady qualified conversions | Maximize conversions | Cost per conversion is stable for a month |
| Stable cost per conversion | Target CPA | CRM stages with values are imported |
| Pipeline values imported | Maximize conversion value or target ROAS | Review each quarter |
How do you feed pipeline value into bidding?
Feed pipeline value into bidding by sending CRM stages back to Google Ads, with a value for each, and making the qualified stages primary conversions. Then bidding optimizes toward people who become sales-qualified leads and opportunities, rather than anyone who fills in a form.
Enhanced conversions for leads matches CRM outcomes to ad clicks using hashed customer data. Keep the form fill as a secondary conversion so you can still see it. If paid leads are poor, read our page on leads that never become customers before changing strategies.
What should you do when smart bidding misbehaves?
When smart bidding misbehaves, first check whether it is still learning, whether budget limits are holding it back, and whether conversions are delayed. Most sudden cost spikes follow a change in strategy, target or conversion goal, and settle within the learning period.
Google says a strategy can take around 50 conversion events or 3 conversion cycles to calibrate. Avoid changing targets more than once in that window. If you are deciding whether to keep spending during a bad stretch, use the framework in when to pause or scale.
Bid on pipeline, not on form fills.
Once the CRM feeds qualified stages back into Google Ads, bidding optimises for revenue. Until then, it is optimising for whoever fills in forms.
Frequently asked questions
What is the best bidding strategy for a new SaaS account?
Maximize clicks with a cost-per-click cap, or manual CPC, until tracking is proven and qualified conversions arrive every week.
When should I switch to target CPA?
When Maximize conversions has produced a stable cost per qualified conversion for about a month. Set the target close to that actual figure.
Why did my costs spike after changing bid strategy?
The strategy is recalibrating. Google says this can take around 50 conversions or 3 conversion cycles, so wait before changing it again.
Is manual CPC still worth using?
Yes, for new accounts, small budgets and tests where you want control over each keyword’s price.
What is value-based bidding?
Bidding that aims for the highest conversion value rather than the most conversions. For SaaS, the values usually come from CRM stages such as SQL and opportunity.
How long is the smart bidding learning period?
Google says up to around 50 conversion events or 3 conversion cycles, depending on your conversion volume and how long conversions take.
Sources & further reading
Platform settings and policies change. These sources let you check the current details directly.