The verdict in three sentences
Migrating Magento 2 to headless commerce costs between 55,000 and 165,000 SGD in Singapore in 2026, depending on catalog size and number of integrations. Gains are concrete: doubled mobile performance, the end of costly Magento upgrades and a TCO cut of roughly 30 % over 3 years. Risk is controlled by a phased cutover with a rigorous redirect plan to protect SEO.
Why leave Magento in 2026
Magento is still powerful but its cost of ownership is heavy: large upgrades, security, demanding hosting and a monolithic front slow on mobile.
| Annual line | Magento 2 | Headless (Next.js + Medusa) |
|---|---|---|
| Hosting | 16,000 - 40,000 SGD | 5,000 - 16,000 SGD |
| Upgrades / patches | 20,000 - 55,000 SGD | 0 - 8,000 SGD |
| Mobile perf (LCP) | 3.5 - 6 s | 1.2 - 2.2 s |
| Corrective maintenance | high | moderate |
| Cost to ship a feature | high | moderate |
| Vendor dependence | strong | low |
Over 3 years the TCO gap often reaches 30 to 40 % in favor of headless, excluding conversion gains from speed.
The migration plan in 4 parts
Budget splits across data reprise, front rebuild, integrations and cutover.
| Part | 2026 range (SGD) | Watch points |
|---|---|---|
| Catalog + customers + orders reprise | 11,000 - 34,000 | Attributes, history |
| Headless front (Next.js) | 20,000 - 62,000 | Design, perf, SEO |
| Commerce backend (Medusa/commercetools) | 11,000 - 41,000 | B2B rules, promos |
| 301 redirect plan + SEO | 4,000 - 14,000 | 1 URL = 1 redirect |
| Phased cutover + UAT | 8,000 - 20,000 | Rollback, parity |
The recommended strategy is batch cutover (by category or traffic), with Magento and headless running in parallel for a few weeks to secure rollback.
Mini case study
Wei, e-commerce manager of a technical-parts distributor in Singapore (28,000 SKUs, Magento 2 since 2019), migrates to headless for 110,000 SGD. His annual Magento cost (hosting + upgrades) was 56,000 SGD; it drops to 18,000 SGD in headless, saving 38,000 SGD/year. Mobile LCP goes from 4.8 s to 1.7 s, lifting mobile conversion by 19 %. Migration pays back in about 20 months excluding conversion gains.
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FAQ
Does migration threaten my SEO?
Only if the redirect plan is rushed. With 1 URL = 1 301 redirect mapping, preserved tags and internal linking, traffic is protected and often recovers thanks to speed.
How long does a Magento-to-headless migration take?
Allow 14 to 28 weeks depending on catalog and ERP/PIM integrations. Data reprise and parity UAT are the critical path.
Medusa or commercetools?
Medusa (open-source) avoids license costs and fits most cases; commercetools targets very high volumes with a license budget. Choice depends on volume and SLA needs.
Can we migrate with no downtime?
Yes, via phased batch cutover with both systems in parallel. The final DNS switch happens off-peak with rollback prepared.
Does headless handle B2B?
Yes, often better than Magento for specific rules: per-customer pricing, quotas and credit lines are cleanly implemented on the commerce backend.
Let's scope your project. Share your SKU count, integrations and Magento version: we will size the migration and target TCO, indicative budget 55,000-165,000 SGD, delivery 14-28 weeks. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.