A sell-side process refers to the perspective and mandate of the financial advisor representing the seller in a company disposal transaction. A sell-side mandate typically includes: target valuation, Information Memorandum preparation, potential buyer identification and approach, data room management, competitive bidding process, price and terms negotiation, and closing support. It contrasts with buy-side (acquirer advisory). The quality of sell-side advisory — buyer network breadth and competitive tension management — is the primary driver of price and conditions achieved for selling shareholders.

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Example: Hectelion's sell-side mandate for a Franco-Swiss services group (CHF 25.0 million revenue) with an initial valuation of CHF 18.0 million generates: 45 potential buyers contacted → 12 NDAs → 7 indicative offers → 3 binding offers (CHF 19.5M, 21.0M, 23.5M). The retained offer at CHF 23.5 million exceeds the initial valuation by 30% — the direct result of structured competitive tension sustained throughout the sale process.

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Hectelion's sell-side mandates cover the entire disposal process — from strategic valuation preparation to SPA signing — maximising value for selling shareholders across France and Switzerland.