A business selling into several countries has to decide how to structure its sites: separate country domains, subdomains, or subdirectories on one domain. The choice is difficult to reverse and affects everything afterwards, so it is worth making deliberately rather than inheriting.
The three options
Country-code domains (example.co.za, example.co.uk)
- Strongest geographic signal. The domain itself states the target country.
- Highest cost. Each domain builds authority separately, from nothing.
- Most operational overhead: separate hosting, certificates, Search Console properties.
- Best for: established businesses with genuine local operations and the resources to build each market properly.
Subdomains (za.example.com)
- Moderate signal, set through Search Console targeting rather than the domain itself.
- Partial authority sharing, though less than subdirectories.
- Easier separation of infrastructure where markets are technically distinct.
- Best for: cases where markets need genuinely separate systems.
Subdirectories (example.com/za/)
- Strongest authority consolidation. Everything builds one domain.
- Simplest to operate: one host, one certificate, one property.
- Weakest inherent geographic signal, relying on hreflang and Search Console.
- Best for: most businesses, particularly those without a large existing footprint in each market.
The recommendation for most businesses
Subdirectories, unless there is a specific reason otherwise. The authority consolidation matters more than the marginal geographic signal a country domain provides, particularly for businesses that are not already strong in each market.
The common mistake is choosing country domains for the signal and then discovering each one has to earn its authority independently, which for a smaller business means several weak sites instead of one adequate one.
When country domains genuinely win
- You have real operations, staff and entities in each country.
- Local trust matters commercially, which it does in finance, healthcare and legal services.
- Regulatory requirements demand separation.
- You have the resources to build authority in each market rather than splitting one budget across several.
What matters more than the choice
Whatever structure you pick, these determine whether it works.
- hreflang must be correct and reciprocal. Errors here cause the wrong version to rank, which is worse than any structural choice.
- Do not auto-redirect by IP. It prevents crawling of other versions and frustrates users. Offer a suggestion instead.
- Genuinely different content per market, not the same page with a currency change, or the versions compete.
- Consistent canonicals within each version, pointing at that version rather than across markets.
Near-identical regional versions are a common source of dilution. Where two versions differ only in currency, consider whether both need to exist.
Changing later
Moving between these structures is a full migration with all the risk that implies. Country domains to subdirectories is the more common direction, usually after discovering the domains are not earning authority independently. See SEO migration.
Frequently asked questions
Which is best for SEO?
Subdirectories for most businesses, because authority consolidates. Country domains suit businesses with real local operations and the resources to build each market separately.
Do I need hreflang?
If you have versions targeting different countries or languages, yes. Without it, the wrong version can rank in a market, which undermines the whole structure.
Should I redirect users by location?
No. Automatic redirects prevent crawlers reaching other versions and frustrate users who want a different one. Suggest, and let them choose.
Can I use one site for South Africa and the UK?
Yes, if the content genuinely serves both. Where pricing, availability or regulation differ, separate versions with hreflang are better than one page trying to serve both.
Consulting CTA
If you are expanding into new markets and choosing a structure, book an SEO consultation before committing, since changing later is a migration.