diff --git a/chimney/src/test/scala-3/io/scalaland/chimney/IssuesScala3Spec.scala b/chimney/src/test/scala-3/io/scalaland/chimney/IssuesScala3Spec.scala
new file mode 100644
index 000000000..bab815a07
--- /dev/null
+++ b/chimney/src/test/scala-3/io/scalaland/chimney/IssuesScala3Spec.scala
@@ -0,0 +1,23 @@
+package io.scalaland.chimney
+
+import io.scalaland.chimney.dsl.*
+
+class IssuesScala3Spec extends ChimneySpec {
+
+  test("fix issue #592 (givens in companion)") {
+    case class Foo(a: Int, b: String)
+    case class Bar(a: Int, b: String)
+    case class Baz(a: Int)
+    object Foo {
+      given totalTransformer: Transformer[Foo, Bar] =
+        Transformer.define[Foo, Bar].withFieldConst(_.a, 10).buildTransformer
+      given partialTransformer: PartialTransformer[Foo, Bar] =
+        PartialTransformer.define[Foo, Bar].withFieldConst(_.a, 20).buildTransformer
+      given patcher: Patcher[Foo, Baz] = (_, baz) => Foo(baz.a, "patched")
+    }
+
+    Foo(1, "value").transformInto[Bar] ==> Bar(10, "value")
+    Foo(1, "value").transformIntoPartial[Bar].asOption.get ==> Bar(20, "value")
+    Foo(1, "value").patchUsing(Baz(30)) ==> Foo(30, "patched")
+  }
+}
diff --git a/chimney/src/test/scala/io/scalaland/chimney/IssuesSpec.scala b/chimney/src/test/scala/io/scalaland/chimney/IssuesSpec.scala
index 862722a81..9db2d72b2 100644
--- a/chimney/src/test/scala/io/scalaland/chimney/IssuesSpec.scala
+++ b/chimney/src/test/scala/io/scalaland/chimney/IssuesSpec.scala
@@ -787,4 +787,21 @@ class IssuesSpec extends ChimneySpec {
     assert(writer.transform(color.yellow) == yellowTarget)
     assert(writer.transform(color.orange) == orangeTarget)
   }
+
+  test("fix issue #592 (implicits in companion)") {
+    case class Foo(a: Int, b: String)
+    case class Bar(a: Int, b: String)
+    case class Baz(a: Int)
+    object Foo {
+      implicit val totalTransformer: Transformer[Foo, Bar] =
+        Transformer.define[Foo, Bar].withFieldConst(_.a, 10).buildTransformer
+      implicit val partialTransformer: PartialTransformer[Foo, Bar] =
+        PartialTransformer.define[Foo, Bar].withFieldConst(_.a, 20).buildTransformer
+      implicit val patcher: Patcher[Foo, Baz] = (_, baz) => Foo(baz.a, "patched")
+    }
+
+    Foo(1, "value").transformInto[Bar] ==> Bar(10, "value")
+    Foo(1, "value").transformIntoPartial[Bar].asOption.get ==> Bar(20, "value")
+    Foo(1, "value").patchUsing(Baz(30)) ==> Foo(30, "patched")
+  }
 }