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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTrade Fair & Event OrganizersZurichSINCONA Swiss International Coin Auction AG
SINCONA Swiss International Coin Auction AG Logo
Verified· 4 sources

SINCONA Swiss International Coin Auction AG

Summary

About the company

The core activity of Sincona AG is the operation of auctions for coins, banknotes, medals and other numismatic objects. In addition, the company offers further services, such as trading in precious metals, Coin Lending and the rental of Safe Deposit Boxes.

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Offering

Products & services

Industry:Trade Fair & Event OrganizersArt & Antique Trade
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Numismatic auctions
International in-room auctions for coins, medals, banknotes and phaleristic objects; with printed catalogues, online live bidding and consignments of single items or entire collections.
Direct buying and selling of numismatic objects
Buying and selling coins, medals, banknotes as well as orders and decorations from Switzerland and worldwide; including personal advice and confidential valuation.
Expert reports and appraisals
Valuations, expert reports and appraisals for numismatic and phaleristic objects, e.g. for sale, estate division or tax purposes; also confidential appraisals.
Swiss coins and medals
Buying and selling Swiss coins and medals, from Celtic issues to more recent Swiss monetary history.
World coins and medals
Buying and selling world coins and medals from modern times; with a focus on international mintings and numismatic objects.
Ancient coins
Buying and selling ancient coins, from the Lydian period to the Byzantine Empire; including Greek and Roman pieces.
Banknote trading
Buying and selling banknotes; with numismatic classification and integration into auctions as well as direct transactions.
Orders and decorations
Buying and selling orders and decorations, including phaleristic objects and collectors’ items.
Auction catalogues and online auction platform
Printed hardcover catalogues with high-resolution images and precise lot descriptions, as well as participation in live online auctions.
Personal numismatic consulting at trade fairs and events
Personal advice, inspections and acceptance of consignments at numismatic trade fairs and events in Switzerland and internationally.
Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle59
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Press

Media

October 3, 2024Media
Diese Berner Münze ist mit 50'000 Franken noch ein Schnäppchen
20min.ch

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Location

Limmatquai 112
8001 Zurich
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-182.566.202
Founded
2011 · 15 years
Last commercial register change
May 23, 2025
Employees
11 to 20

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