PPC, SEM and social media ads all put paid adverts in front of potential customers, but they reach people at different moments. Search ads (PPC on Google or Bing) catch people already searching for what you sell. SEM combines those search ads with SEO, so you win search traffic now and later. Social media ads on Meta, TikTok or LinkedIn reach people before they start searching. This guide explains the difference and how to choose.
The short version
| PPC | SEM | Social media ads | |
|---|---|---|---|
| What it is | Paid ads charged per click, mostly on Google and Bing | Search ads plus SEO, planned together | Paid ads on Meta (Facebook, Instagram), TikTok, LinkedIn |
| Who sees it | People searching for your keywords | People searching, in both ads and organic results | People who match your audience, searching or not |
| Best for | Leads and sales now | Leads now, cheaper leads over time | New demand, visual products, retargeting |
| Speed | Days | Ads in days, SEO over months | Days |
| Stops when budget stops? | Yes | Ads yes, SEO keeps working | Yes |
What is PPC?
PPC (pay-per-click) means you pay each time someone clicks your ad. The term is most often used for search ads on Google and Bing, including Shopping and Performance Max campaigns, though Meta and other platforms can also charge per click.
PPC works best when people already search for your product or service. A plumber, an accountant or a store selling a product people know they want can get enquiries within days of launching.
The risk is waste. Without proper conversion tracking and weekly search-term reviews, budgets drift into clicks that never turn into leads. That is why PPC management starts with tracking and an account audit before spending more.
What is SEM?
SEM (search engine marketing) is sometimes used to mean paid search only. We use it in the wider sense: paid search and SEO run as one plan.
The two help each other. Search ads show you which keywords actually produce customers within weeks. Those keywords then tell you which pages to build and rank organically. Over time, organic traffic takes over some of the work and your average cost per lead falls.
Search engine marketing suits businesses that want results now but don’t want to rent their traffic from Google forever.
What are social media ads?
Social ads reach people based on who they are and what they are interested in, not what they are searching for. That makes them strong for:
- Products people don’t know they want yet, especially visual ones like fashion, food, décor or gifts.
- Retargeting people who visited your site or added to cart but didn’t buy.
- B2B audiences on LinkedIn, targeted by job title, industry or company size.
- Launches and offers that need reach quickly.
Creative matters more here than in search. The image or video is the ad, so social media advertising depends on testing new creatives regularly.
How to choose
- Do people search for what you sell? If yes, start with search ads (PPC or SEM). If hardly anyone searches for it, start with social ads.
- Do you need leads this month? Paid ads are quicker. If you can wait, SEO lowers costs over time; SEM gives you both.
- Is your product visual or impulse-led? Social ads usually win for e-commerce products bought on impulse.
- Do you sell to businesses? Google search ads for high-intent terms, plus LinkedIn ads to reach decision-makers.
- Can you measure a sale or lead? If tracking isn’t set up, fix that first. Without it, no channel can be judged fairly.
Many businesses end up running two: search ads to capture demand and social ads to create it and retarget visitors. What matters is starting with the one that matches how your customers buy, then adding the second once the first is profitable.
What does each cost?
For all three, there are two costs: ad spend, which you pay straight to Google, Meta, TikTok or LinkedIn, and a management fee. At Webiclouds, management for each starts at $399 a month or 12% of ad spend. Your written quote confirms which applies before work starts. See our pricing page for all services.
To check whether your own ads are profitable, try our free ad ROI calculator: enter your budget, cost per click and conversion rate to see your return on ad spend and break-even point.
Frequently asked questions
Is PPC the same as Google Ads?
Google Ads is the biggest PPC platform, but PPC also includes Microsoft (Bing) Ads and can describe pay-per-click ads on other platforms.
Should I stop SEO if PPC is working?
No. PPC stops the day the budget stops. SEO builds traffic you don’t pay for per click, which is why SEM plans the two together.
How much ad spend do I need to start?
Enough to collect meaningful data in your market within a month. We recommend a starting budget in your written plan once we know your goals and how competitive your keywords are.
Can you take over ads I already run?
Yes. We start with an audit of your existing accounts, fix tracking and waste, and then manage them inside your own accounts.
Not sure which channel fits your business? Request a free audit or book a free 30-minute call, and a founder will tell you where to start.