Advisory for private and institutional collections
MTM is a London-based consultancy for the acquisition and curation of modern and contemporary art. It advises private and corporate clients internationally, from a first acquisition to the long-term development of a collection.
Recently
@mt_mathisen on InstagramServices
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Acquisition
MTM sources works by emerging and established artists on the primary and secondary markets, and provides the market analysis that informs each acquisition.
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Curation
MTM provides curatorial oversight for residential and corporate settings, with particular attention to historical context and to the dialogue between works and the spaces they occupy.
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Logistics
MTM manages each acquisition from payment to installation, including international shipping, tax and AML compliance, and all associated administration.
About
Maria-Theresia Mathisen
Founder
Maria-Theresia Mathisen founded MTM Art Advisory in London in 2018, after more than a decade in the international art market.
Originally from Vienna, she grew up with the artist Ernst Fuchs, an upbringing that introduced her early to artists’ studios, institutional exhibitions and international collectors.
In New York she worked at the Austrian Cultural Forum, US Vogue, Gagosian and Marianne Boesky Gallery, before holding senior positions in London at Marlborough and ARTUNER. She has also led VIP relations for a number of art fairs.
Her advice draws on experience across the primary and secondary markets and in institutional strategy. She has collaborated with numerous galleries such as Almine Rech, Pilar Corrias and Pace.

Maria-Theresia Mathisen with Casey Bolding and Polina Berlin 
Maria-Theresia Mathisen with a portrait by Chloe Wise 
Maria-Theresia Mathisen and Martha Kirszenbaum 
Maria-Theresia Mathisen and Alexander Tovborg 
Maria-Theresia Mathisen at the inaugural exhibition of Newlands House, celebrating 100 years of Helmut Newton
Castel Caramel
Castel Caramel, an artist residency in the South of France, was founded by Maria-Theresia Mathisen in 2018 as a place for artistic production and critical dialogue. Artists in residence have included Chloe Wise, Korakrit Arunanondchai, Jill Mulleady, Stefanie Heinze, Kylie Manning and many others.

Maria-Theresia Mathisen and Kylie Manning 
Maria-Theresia Mathisen and Korakrit Arunanondchai 
Maria-Theresia Mathisen and Jill Mulleady 
Maria-Theresia Mathisen and Minami Kobayashi 
Maria-Theresia Mathisen and Henry Curchod 
Maria-Theresia Mathisen and Sedrick Chisom
Placed artists
- Jamiu Agboke
- Jess Allen
- Thomas Allen
- Lucas Arruda
- Frank Auerbach
- Oliver Bak
- Hannah Barry
- Joanna Bath
- Sophie Birch
- Casey Bolding
- Monica Bonvicini
- Lisa Brice
- Shannon Cartier Lucy
- Emma Cousin
- Sarah Cunningham
- Ding Shilun
- Celeste Dupuy-Spencer
- Sebastian Espejo
- Pam Evelyn
- Leyla Faye
- Genevieve Figgis
- Purdey Fitzherbert
- Ed Fornieles
- Danielle Fretwell
- Ernst Fuchs
- Louise Giovanelli
- Brett Goodroad
- Douglas Gordon
- Antony Gormley
- Stefanie Heinze
- Marguerite Humeau
- Ulala Imai
- Hettie Innis
- Donyel Ivy-Royal
- Ernst Yohji Jaeger
- Paul Jenkins
- Chantal Joffe
- Harminder Judge
- Rachel Kneebone
- Koak
- Minami Kobayashi
- Vojtěch Kovařík
- Florian Krewer
- Ansel Krut
- Liza Lacroix
- Sigalit Landau
- Amy Lincoln
- Sophia Loeb
- Danica Lundy
- Danielle McKinney
- Rachel McLean
- Harland Miller
- Sofia Mitsola
- Sabine Moritz
- Yoshitomo Nara
- Justine Neuberger
- A’driane Nieves
- Paulo Nimer Pjota
- Ben Wolf Noam
- Shigeo Otake
- Roy Oxlade
- Adam Pendleton
- Jon Pilkington
- Alice Ronchi
- Justin Rui Han
- Mohammed Sami
- Emily Ludwig Schaffer
- Emma Rose Schwartz
- Antonia Showering
- Mary Stephenson
- Howard Tangye
- Dorothea Tanning
- teamLab
- Anh Tran
- Tu Hongtao
- Tesfaye Urgessa
- Xiyao Wang
- Tom Wesselmann
- Robin F Williams
- Chloe Wise
- Issy Wood
- Joanna Wos
- Michaela Yearwood-Dan
Press
- ARTCUBE2026 Discoveries: Tastemaker, featuring Casey BoldingPDF
- Ö1 / ORFAnsichten im Süden, interview with Minami Kobayashi
- CulturedStefanie Heinze at Castel CaramelPDF
- MyselfDie Kunst der Stunde, profilePDF
- LUXAntonia Showering, portrait
- LUXArtists in residence at Castel Caramel in the South of France
- LUXArghavan Khosravi, portrait
- LUXMaxwell Alexandre, portrait
- LUXSofia Mitsola, portrait
- L’OfficielThe Top 5 Emerging Artist Residencies Around the World
- WhitewallIs Dallas the New Miami for Art Fairs?
- Ö1 / ORFKorakrit Arunanondchai in der Secession
- Die PresseArt Basel: Beruhigung, keine Krise