Paris-based photography agency / collection, specialised in reproduction of paintings often used as illustration for classical music releases.
Lauros-Giraudon is likely the successor of Giraudon Paris after it's been bought out by French publisher [l520935] in 1953.
Lauros-Giraudon is not a photographer but an agency who owned and managed a photography collection. Photo / foto / ekta are not part of the name but shorthand for photography provided by / courtesy of / copyright Lauros-Giraudon.

(Also credited as Giraudon Paris)