Commercial galleries

London dealer partners with South African gallery in Chelsea

John Martin and Everard Read galleries opened Circa London this week

Big show for Oldenburg's mini works

Paula Cooper's exhibition, which opens tomorrow, includes miniatures of some of the Pop artist's most monumental pieces

Happy 75th anniversary Hildegard Bachert

The co-director of Galerie St Etienne in New York got her foot in the door by promising English lessons to its founder Otto Kallir

Sadie Coles opens double-height 'fish tank' gallery in Mayfair

Venue is the London dealer’s third in the UK capital

Art superhubs reach new heights

As political and economic turmoil increases risks for businesses worldwide, the high-end market has become a tale of two cities

London gallery Colnaghi joins forces with Spanish dealers

Mayfair stalwart gets "new lease of life" in merger with Coll & Cortes

Iwan and Manuela Wirth top ArtReview’s Power 100 list

They are only the second dealers to take the number one spot in 14 years

Pace Gallery celebrates Rauschenberg’s birthday with show of rarely seen works

Late series pieces include inkjet dye and pigment transfers on polylaminate, paper and fabric, as well as frescoes

Newcomers shake up Paris art fair scene dominated by Fiac

Paris Internationale and Asia Now look to attract art world footfall

European dealers bring eclectic mix of antiques and Old Masters to New York

In their first collaboration, the gallerists are showing 300 works priced from $30,000 to $10m

Collectors can find a new niche at Frieze Masters

David Bailey’s torn portraits, sculpture from Borneo and netsuke put the eclectic into Collections

The New York gallerist who did it her way

Paula Cooper recalls SoHo back in the day and its pioneering artists at Frieze Masters

Gagosian opens third, and largest, gallery in London

New Mayfair space is part of cultural revival of the area

Latest young gallerist to open in London commissions art you can really use

Studio_Leigh launched last week in a three-storey former Victorian varnish factory in Shoreditch

Adam Sheffer appointed president of Art Dealers Association of America

The partner at New York gallery Cheim & Read stresses the importance of building relationships with collectors and scholarship

Moscow gallery closes weeks after LGBT show is shut down by police

The founder of Red Square Gallery blames a lack of funding and the clampdown on freedom of speech

Fontana and Burri take centre stage in London’s galleries

Italian auctions trigger a surge in the country’s post-war art, and the city’s dealers answer the demand

Cult all-female show revisited after 30 years

Sprüth Magers looks back at Eau de Cologne exhibitions, as “question of power has not really changed”

Comfort blankets: White Cube show examines the politics of quilts and tapestries

New works by contemporary artists will hang alongside textiles by Gee's Bend and Amish women

Shanghai art week launches with West Bund openings

The leading gallery ShanghArt has moved into the emerging arts district, along with artists and private collectors

Back to school: top six gallery shows in London this week

William Kentridge's marching refugees, Luc Tuymans's abstract friends and possibly the capital's tiniest show

Five hundred years of printmaking comes to New York in November

Print fair offers works by blue-chip artists for a fraction of the price of their paintings