BlueOnion
BlueOnion sells responsible investing intelligence and fund selection tools to asset owners, to wealth managers and intermediaries such as banks, external asset managers and consultants, and to asset managers. Its Fund Hub screens and compares more than 300,000 funds and ETFs and 40,000 companies on ESG, temperature alignment and qualitative measures. It draws on 250 ESG metrics from 30,000 sources and on Morningstar Sustainalytics data.
Gatekeeper Tools digitize due diligence, requests for proposal and document management for fund selectors, and a reporting portal produces fund factsheets and sustainability reports. The platform adds AI driven insights and carbon management, and BlueOnion references the Hong Kong code of conduct for ESG ratings and data product providers.
BlueOnion is based in Hong Kong, with offices in Singapore, Taipei, Kuala Lumpur, Sydney and London.
Capability Axes
Capability grades
15 of 15 axes rated · 6 graded A or B
Screening, comparison and workflow tools would all work without the models. AI arrives as insights and carbon management layered over a database of 250 ESG metrics.
Decisions stay with fund selectors, while the tools screen, score and run due diligence through Gatekeeper Tools. BlueOnion describes no review of AI driven insights before users rely on them.
Qualitative fund ratings built from 530 inputs come with no published backtest or validation, and neither do the AI driven insights.
Not a single client is named, and no outcome figure is published, so a fund selector weighing the platform has no peer result to compare against.
Fund selectors and the asset managers they screen are both clients, so BlueOnion sees which funds get examined, rejected or onboarded. How that selection data is kept from asset manager clients isn't explained.
Most of the data concerns funds and companies, but the gatekeeper workflow also holds named staff, approvals and client portfolio holdings. The product pages don't describe privacy terms for that material.
The site names no certification, audit report or trust center.
Hong Kong's voluntary code of conduct for ESG ratings and data providers is the standard BlueOnion points to, and its reports cover PCAF carbon accounting and the EU's SFDR.
The ratings code it follows covers methodology and conflicts of interest, which matters because ESG scores differ widely between providers. Testing of the scores for regional or size bias goes unmentioned.
A bank that misclassifies a fund on BlueOnion's data carries the regulatory consequence alone, and BlueOnion publishes no warranty, service level or remedy.
Morningstar Sustainalytics supplies data and 30,000 sources feed the ratings, so buyers can see part of what they inherit. The models behind the AI features and the hosting provider aren't named.
Everything is delivered inside BlueOnion's own platform and reporting portal, and no portfolio or order management system is named as a connection.
Where client portfolio and due diligence data are stored isn't stated, by provider or by region.
Access is by request only, with no price, plan or billing unit for Fund Hub, Gatekeeper Tools or the reporting portal.
Separate tools serve asset owners, wealth managers and asset managers, with offices in six markets across Asia, Australia and London.
Compared With
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Pricing
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