diff --git a/src/ifcexpressparser/DocAttribute.csv b/src/ifcopenshell-python/ifcopenshell/express/DocAttribute.csv
similarity index 100%
rename from src/ifcexpressparser/DocAttribute.csv
rename to src/ifcopenshell-python/ifcopenshell/express/DocAttribute.csv
diff --git a/src/ifcexpressparser/DocDefined.csv b/src/ifcopenshell-python/ifcopenshell/express/DocDefined.csv
similarity index 100%
rename from src/ifcexpressparser/DocDefined.csv
rename to src/ifcopenshell-python/ifcopenshell/express/DocDefined.csv
diff --git a/src/ifcexpressparser/DocEntity.csv b/src/ifcopenshell-python/ifcopenshell/express/DocEntity.csv
similarity index 100%
rename from src/ifcexpressparser/DocEntity.csv
rename to src/ifcopenshell-python/ifcopenshell/express/DocEntity.csv
diff --git a/src/ifcexpressparser/DocEntityAttributes.csv b/src/ifcopenshell-python/ifcopenshell/express/DocEntityAttributes.csv
similarity index 100%
rename from src/ifcexpressparser/DocEntityAttributes.csv
rename to src/ifcopenshell-python/ifcopenshell/express/DocEntityAttributes.csv
diff --git a/src/ifcexpressparser/DocEnumeration.csv b/src/ifcopenshell-python/ifcopenshell/express/DocEnumeration.csv
similarity index 100%
rename from src/ifcexpressparser/DocEnumeration.csv
rename to src/ifcopenshell-python/ifcopenshell/express/DocEnumeration.csv
diff --git a/src/ifcexpressparser/DocSelect.csv b/src/ifcopenshell-python/ifcopenshell/express/DocSelect.csv
similarity index 100%
rename from src/ifcexpressparser/DocSelect.csv
rename to src/ifcopenshell-python/ifcopenshell/express/DocSelect.csv
diff --git a/src/ifcexpressparser/README.txt b/src/ifcopenshell-python/ifcopenshell/express/README.txt
similarity index 100%
rename from src/ifcexpressparser/README.txt
rename to src/ifcopenshell-python/ifcopenshell/express/README.txt
diff --git a/src/ifcexpressparser/bootstrap.py b/src/ifcopenshell-python/ifcopenshell/express/bootstrap.py
similarity index 100%
rename from src/ifcexpressparser/bootstrap.py
rename to src/ifcopenshell-python/ifcopenshell/express/bootstrap.py
diff --git a/src/ifcexpressparser/codegen.py b/src/ifcopenshell-python/ifcopenshell/express/codegen.py
similarity index 100%
rename from src/ifcexpressparser/codegen.py
rename to src/ifcopenshell-python/ifcopenshell/express/codegen.py
diff --git a/src/ifcexpressparser/definitions.py b/src/ifcopenshell-python/ifcopenshell/express/definitions.py
similarity index 100%
rename from src/ifcexpressparser/definitions.py
rename to src/ifcopenshell-python/ifcopenshell/express/definitions.py
diff --git a/src/ifcexpressparser/documentation.py b/src/ifcopenshell-python/ifcopenshell/express/documentation.py
similarity index 100%
rename from src/ifcexpressparser/documentation.py
rename to src/ifcopenshell-python/ifcopenshell/express/documentation.py
diff --git a/src/ifcexpressparser/express.bnf b/src/ifcopenshell-python/ifcopenshell/express/express.bnf
similarity index 100%
rename from src/ifcexpressparser/express.bnf
rename to src/ifcopenshell-python/ifcopenshell/express/express.bnf
diff --git a/src/ifcexpressparser/header.py b/src/ifcopenshell-python/ifcopenshell/express/header.py
similarity index 100%
rename from src/ifcexpressparser/header.py
rename to src/ifcopenshell-python/ifcopenshell/express/header.py
diff --git a/src/ifcexpressparser/implementation.py b/src/ifcopenshell-python/ifcopenshell/express/implementation.py
similarity index 100%
rename from src/ifcexpressparser/implementation.py
rename to src/ifcopenshell-python/ifcopenshell/express/implementation.py
diff --git a/src/ifcexpressparser/mapping.py b/src/ifcopenshell-python/ifcopenshell/express/mapping.py
similarity index 100%
rename from src/ifcexpressparser/mapping.py
rename to src/ifcopenshell-python/ifcopenshell/express/mapping.py
diff --git a/src/ifcexpressparser/nodes.py b/src/ifcopenshell-python/ifcopenshell/express/nodes.py
similarity index 100%
rename from src/ifcexpressparser/nodes.py
rename to src/ifcopenshell-python/ifcopenshell/express/nodes.py
diff --git a/src/ifcexpressparser/schema.py b/src/ifcopenshell-python/ifcopenshell/express/schema.py
similarity index 100%
rename from src/ifcexpressparser/schema.py
rename to src/ifcopenshell-python/ifcopenshell/express/schema.py
diff --git a/src/ifcexpressparser/schema_class.py b/src/ifcopenshell-python/ifcopenshell/express/schema_class.py
similarity index 100%
rename from src/ifcexpressparser/schema_class.py
rename to src/ifcopenshell-python/ifcopenshell/express/schema_class.py
diff --git a/src/ifcexpressparser/templates.py b/src/ifcopenshell-python/ifcopenshell/express/templates.py
similarity index 100%
rename from src/ifcexpressparser/templates.py
rename to src/ifcopenshell-python/ifcopenshell/express/templates.py