Why are global campaigns technically a bad idea?

Another common thing we see when auditing LinkedIn Ads accounts is campaigns targeting the entire world in a single campaign. Especially from accounts managed without real LinkedIn Ads expertise.
Youโll see it with role-based targeting all the time. Companies have a very specific title or buyer they want to go after (e.g. AI roles, Head of Innovation, Heads of Treasury, etc.), so they add the titles and then just target globally.
The job titles are very precise, which is great, but the geo-targeting everywhere is not.
Other times, it's just an oversight, or whoever's managing the account simply doesn't feel like creating multiple campaigns.
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Either way, this small setup oversight ๐๐๐ง ๐๐๐ฎ๐ฌ๐ ๐๐จ๐ฎ๐ซ ๐ฉ๐ซ๐๐ญ๐ญ๐ฒ ๐ฌ๐ข๐ ๐ง๐ข๐๐ข๐๐๐ง๐ญ ๐ข๐ฌ๐ฌ๐ฎ๐๐ฌ:
(1) ๐๐ค๐๐ฐ๐๐ ๐๐ข๐ฆ๐ ๐ณ๐จ๐ง๐ ๐๐๐ฅ๐ข๐ฏ๐๐ซ๐ฒ
LinkedIn starts delivering minutes after you hit active. The first time zone awake gets the impressions, and that's the way it repeats every day. If thatโs Asia or Europe, but your priority is the US - youโve likely burned through most of your budget before the US even logs on.
(2) ๐๐ง๐๐จ๐ซ๐ซ๐๐๐ญ ๐๐ข๐๐๐ข๐ง๐
Costs vary wildly by region. US CPCs can sometimes run 3x+ higher than the next most expensive markets for some roles (cough... CISO's). The bid you need to win share in the US will not be the bid you need in APAC or EMEA.
One global bid means youโre either overpaying in cheaper markets or losing out in expensive ones.
(3) ๐๐ฎ๐ฅ๐ญ๐ฎ๐ซ๐๐ฅ ๐๐ง๐ ๐ฅ๐๐ง๐ ๐ฎ๐๐ ๐ ๐๐ฌ๐ฌ๐ฎ๐๐ฌ
What works in one region doesnโt always land in EMEA. Wording, tone, even โsโ vs โzโ in UK vs US English. With a large global campaign, you lose the ability to make the slight changes that make campaigns feel relevant to the region you're targeting - maybe minor details but depending on the market, can mean being ignored.
(4) ๐๐ค๐๐ฐ๐๐ ๐ซ๐๐ ๐ข๐จ๐ง๐๐ฅ ๐ข๐ฆ๐ฉ๐ซ๐๐ฌ๐ฌ๐ข๐จ๐ง-๐ฌ๐ก๐๐ซ๐
Say for example, the target priority regions are - US 50%, EMEA 25%, APAC 25%. If you put all 3 in one campaign, you'll lose control over where the actual spending goes. Generally, it typically flows to wherever CPCs are cheapest, not your priority regions.
Weโve seen this repeatedly: US is the primary target, APAC is secondary, but then large countries like India end up eating the impression share, which looks awful on a leadership report.
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To make sure your impressions are landing in the right places - split campaigns by either:
1. Country priority
2. Time zone/continent
And then...
3. Allocate budget % relative to priority
4. Bid based on the competitiveness in that market
It takes more setup and management, but you get vital control over delivery and can deliver reporting that reflects your intended strategy.
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