Auktionshaus Christoph Gärtner GmbH & Co.

Name

Auktionshaus Christoph Gärtner GmbH & Co.

Legal name

Auktionshaus Christoph Gärtner GmbH & Co. KG

Website

https://auktionen-gaertner.de

Company type

Private

Operating status

Operating

Ownership category

akta.pro rank

Product category

Philatelic & Numismatic Auction Services

NAICS

Used Merchandise Retailers (459510)

akta.pro primary industry

Stamps & Postal History Collectibles Retail (Philately) (CRALAGAG)

akta.pro secondary industry

Auction-based Generalist Marketplaces (CRAFAAAC)

Keywords

• Philatelic auctions
• Numismatic auctions
• Stamp auctions
• Coin auctions
• Collectibles auctions

Headquarters

HQ city

Bietigheim-bissingen

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Supply Chain

Revenue model

1. Auction Commission: Revenue generated from auction sales, where the company takes a commission on sold lots during live and e-auctions.
2. Outright Purchase: Direct purchase of valuable stamps, collections, and estates from sellers at market-driven prices for immediate cash payment.
3. Net-Price Sales: Fixed-price sales through Philatelie Christoph Gärtner GmbH's integrated online shop, offering worldwide philatelic inventory at net prices.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Auktionshaus Christoph Gärtner is a traditional auction house specializing in philatelic items (stamps, postal history, postal stationery), numismatic collectibles (coins, medals), banknotes, and related memorabilia. It conducts 3–4 live auctions per year and, since 2025, regular online e-auctions accessible worldwide via Biddr and Philasearch, while also offering outright purchase of consignor estates and fixed-price net sales through the integrated Philatelie Christoph Gärtner online shop.

Product overview

Auktionshaus Christoph Gärtner operates as a traditional auction house combined with modern e-auction capabilities. The core offering consists of traditional in-person auctions (66th, 67th editions scheduled) and CG e-Auctions (4th edition September 2026, 5th December 2026) accessible via Biddr and Philasearch platforms. Supporting services include live bidding platform, consignment services with free appraisals, and Philatelie Gärtner GmbH online shop for net-price sales. The company is part of CG Collectors World alongside Handelshaus Christoph Gärtner, Auction Galleries Hamburg, and Auktionshaus Edgar Mohrmann. Product categories span philatelic items, numismatics (coins), banknotes, medals, and collectibles. The company combines traditional auction culture with digital capabilities, maintaining high-quality printed catalogues alongside online catalog access.

Differentiator

Problem solved

Functional benefit

Brands

• Philatelie Christoph Gärtner GmbH: An integrated online-shop company offering extensive worldwide philatelic offers at net prices.

Products and services

• Traditional Live Auctions International live auctions held 3 to 4 times per year featuring philatelic items (stamps, postal history, postal stationery), numismatics (coins), banknotes, and medals; includes elaborately designed special catalogues for significant collections.
• CG e-Auctions Online-only auctions launched in 2025 and expanded internationally in 2026 via the Biddr and Philasearch platforms, enabling flexible participation from any location via computer, smartphone, or tablet.
• Philatelie Christoph Gärtner GmbH Online Shop Fixed-price net sales of extensive worldwide stamps, postal history, and postal stationery inventory via the integrated online shop at www.philatelie-gaertner.de, with long offer validity periods.
• Consignment Services Full-service offering for sellers of valuable stamps, collections, and estates, including free non-binding appraisals, professional expert lot descriptions, access to the international buyer audience of 12,000 catalogue recipients, and outright purchase options for immediate cash payment.
• Investment Advisory Personalized advisory service offering expertise and guidance for collectors and investors regarding investment in collectibles and for building larger collections or exhibition items.

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

Partnerships

Two partnerships are on record, tiered core.

• BiddrcoreTechnology or Integration · 1 January 2025Biddr platform used for live auction bidding, providing online live auction participation capabilities for the company's e-auction expansion.
• PhilasearchcoreTechnology or Integration · 1 January 2025Philasearch platform integrated for philatelic search functionality and live auction bidding, providing international accessibility for online auctions.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Heinrich Köhler Auctions: German philatelic auction house based in Wiesbaden, conducting regular stamp and postal history auctions with international bidder reach — directly comparable in category, geography, and auction cadence to Auktionshaus Christoph Gärtner.
• Auktionshaus Felzmann: Established German auction house specializing in stamps, coins, and banknotes, running multiple auctions per year with printed catalogues and online bidding — closely overlapping Gärtner's product mix and customer base in the DACH region.
• David Feldman SA: Switzerland-based international auction house for stamps, postal history, and collections, known for high-value single-owner sales and special catalogues — comparable to Gärtner's international positioning and special-catalogue strategy.
• Spink & Son: Long-established British auction house and dealer for stamps, coins, banknotes, and collectibles, with regular international auctions and online bidding — a direct peer across philatelic and numismatic categories with similar dual online/offline model.
• Robert A. Siegel Auction Galleries: Major US-based stamp auction house holding regular sales of US and worldwide philatelic material — a leading direct competitor in the international philatelic auction category.
• Auktionshaus Edgar Mohrmann: German stamp auction house and part of the same CG Collectors World group as Auktionshaus Christoph Gärtner; included to reflect the closest internal peer within the family's collectibles platform.
• Cherrystone Philatelic Auctions: US-based stamp auction house running regular sales of classic and modern philatelic material with online bidding — comparable in format, though serving primarily a North American collector base.

Broad incumbents

• Heritage Auctions: Large US-based auction house covering stamps, coins, currency, comics, and many other collectibles categories — a much broader incumbent whose philatelic and numismatic divisions compete with Gärtner for international consignments and bidders.
• Stanley Gibbons: UK-based heritage philatelic retailer and auctioneer with both fixed-price catalogue sales and auction services — comparable to Gärtner's combination of auction and net-price (Philatelie Gärtner) channels, though at significantly larger scale.
• Sotheby's: Global incumbent auction house with a collectibles/coins/medals vertical; not a direct philatelic specialist but competes for high-value consignments and serves the same luxury collectibles buyer pool.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@cg-collectors-world
• Facebookfacebook.com/auktionshaus.christoph.gaertner
• Instagraminstagram.com/cg_collectors_world

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Auktionshaus Christoph Gärtner GmbH & Co.