OnBuy

ActiveOn the General marketplaces Radar · not ranked

General marketplaces · United Kingdom

Online marketplace where UK and international retailers sell new products across many categories to consumers in the United Kingdom and, more recently, in other European countries.

Commerce & consumer›General marketplaces

HQUnited Kingdom

Last roundSeries A+ · Jul 2021

Why OnBuy is not ranked yet

How the Radar works →

The Radar lists every known eligible company, sorted by date of last round, with no AI judgement. OnBuy enters the ranking once its public data is sufficient for the AI to estimate it. Next General marketplaces worldwide edition: 7 Jan 2027.

Funding history

Date	Round	Amount	Type	Investors
Jul 2021	Series A+	—	Equity	Bring Ventures, Fuel Ventures

GBP 35M mixing equity and debt, split not disclosed.

Rounds as cited by Uback’s rankings. Equity, debt and grants are shown separately; only equity rounds count towards the valuation anchor.

Uback rankings

How the AI ranks →

Ranking	Tier	Rank	Edition	Next update
General marketplaces · worldwide	Radar	—	Edition 0 · Oct 2026	7 Jan 2027

Independent analyses

By industry professionals & analysts

Industry professionals and financial analysts can publish their own analysis of OnBuy as a PDF. It must answer at least one of these four questions, and stick to them:

ValuationWhat is OnBuy worth?

Versus competitorsHow does it compare?

Who should acquire itStrategic buyers, and why

Who should it acquireAcquisition targets, and why

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Analyses are the opinion of their authors, not of Uback. They are checked before publication.

Invest

Back OnBuy whether or not it has agreed: your intention joins the pool on OnBuy, passed to the Fundraising Desk of its country once it reaches critical mass. Backing on Uback (pronounced “you back”) means declaring an Interest (free) or an Intention (coming soon). Backing does not mean that this company is raising funds or that a shareholder is selling shares, and it is not a commitment to invest. Any deal, through a funding round or a sale by an existing shareholder, is handled by a partner desk: the Fundraising Desk of the country for a round, the Secondary Sales Desk assigned to the company for a sale.

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What the AI reads

Read by the AI at the next edition.

Comparable companies in general marketplaces

Full general marketplaces ranking →

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Last updated: Oct 2026Report an error

Uback is a content publisher and an aggregator of non-binding expressions of interest. It provides no investment advice, receives no mandate and takes part in no transaction. Rankings, ranges and brackets are editorial estimates produced by AI, purely indicative.