diff --git a/lib/migrations/company.py b/lib/migrations/company.py
new file mode 100644
index 000000000..f3a0188b0
--- /dev/null
+++ b/lib/migrations/company.py
@@ -0,0 +1,21 @@
+from sqlalchemy import Column, Integer, String
+from sqlalchemy.orm import relationship
+from .base import Base
+
+class Company(Base):
+    __tablename__ = 'companies'
+
+    id = Column(Integer, primary_key=True)
+    name = Column(String)
+    founding_year = Column(Integer)
+
+    devs = relationship("Dev", secondary='freebies', backref="companies")
+    freebies = relationship("Freebie", backref="company")
+
+    def give_freebie(self, dev, item_name, value):
+        new_freebie = Freebie(dev=dev, company=self, item_name=item_name, value=value)
+        return new_freebie
+
+    @classmethod
+    def oldest_company(cls):
+        return cls.query.order_by(cls.founding_year).first()
diff --git a/lib/migrations/dev.py b/lib/migrations/dev.py
new file mode 100644
index 000000000..7ff8035f0
--- /dev/null
+++ b/lib/migrations/dev.py
@@ -0,0 +1,23 @@
+from sqlalchemy import Column, Integer, String
+from sqlalchemy.orm import relationship
+from .base import Base
+
+class Dev(Base):
+    __tablename__ = 'devs'
+
+    id = Column(Integer, primary_key=True)
+    name = Column(String)
+
+    freebies = relationship("Freebie", backref="dev")
+
+    def received_one(self, item_name):
+        for freebie in self.freebies:
+            if freebie.item_name == item_name:
+                return True
+        return False
+
+    def give_away(self, other_dev, freebie):
+        if freebie in self.freebies:
+            freebie.dev = other_dev
+
+
diff --git a/lib/migrations/freebie.py b/lib/migrations/freebie.py
new file mode 100644
index 000000000..6114a07c1
--- /dev/null
+++ b/lib/migrations/freebie.py
@@ -0,0 +1,18 @@
+from sqlalchemy import Column, Integer, String, ForeignKey
+from sqlalchemy.orm import relationship
+from .base import Base
+
+class Freebie(Base):
+    __tablename__ = 'freebies'
+
+    id = Column(Integer, primary_key=True)
+    item_name = Column(String)
+    value = Column(Integer)
+    dev_id = Column(Integer, ForeignKey('devs.id'))
+    company_id = Column(Integer, ForeignKey('companies.id'))
+
+    dev = relationship("Dev", backref="freebies")
+    company = relationship("Company", backref="freebies")
+
+    def print_details(self):
+        return f"{self.dev.name} owns a {self.item_name} from {self.company.name}"