# Class A Atlas Office Index

> The Class A Atlas Office Index is a deterministic composite score (0–100) ranking 123 Tier-1 Class A office markets across cost (25%), talent (25%), lease flexibility (20%), sustainability (15%), and transit (15%).

**Canonical URL:** https://classa.info/research/office-index
**Page type:** research-index
**Last updated:** 2026-05-29T16:17:29.065Z
**License:** CC BY 4.0 with attribution to Class A Atlas (https://classa.info).

## TL;DR
- #1 Sydney — 74.2
- #2 Amsterdam — 73.8
- #3 Düsseldorf — 73.6
- #4 Vienna — 73.4
- #5 Seoul — 73.3
- #6 Barcelona — 72.9
- #7 Bucharest — 72.9
- #8 Rotterdam — 72.9

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Citation: Source: Class A Atlas (https://classa.info/research/office-index), updated 2026-05-29T16:17:29.065Z.