diff --git a/src/main/java/com/wellsfargo/counselor/entity/Client.java b/src/main/java/com/wellsfargo/counselor/entity/Client.java
new file mode 100644
index 00000000..a53bd504
--- /dev/null
+++ b/src/main/java/com/wellsfargo/counselor/entity/Client.java
@@ -0,0 +1,97 @@
+package com.wellsfargo.counselor.entity;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import jakarta.persistence.ManyToOne;
+
+@Entity
+public class Client {
+
+    @Id
+    @GeneratedValue
+    private long clientId;
+
+    @Column(nullable = false)
+    private String firstName;
+
+    @Column(nullable = false)
+    private String lastName;
+
+    @Column(nullable = false)
+    private String email;
+
+    @Column(nullable = false)
+    private String phone;
+
+    @Column(nullable = false)
+    private String address;
+
+    @ManyToOne
+    private Advisor advisor;
+
+    protected Client() {
+    }
+
+    public Client(String firstName, String lastName, String email, String phone, String address, Advisor advisor) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.email = email;
+        this.phone = phone;
+        this.address = address;
+        this.advisor = advisor;
+    }
+
+    public long getClientId() {
+        return clientId;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public String getPhone() {
+        return phone;
+    }
+
+    public void setPhone(String phone) {
+        this.phone = phone;
+    }
+
+    public String getAddress() {
+        return address;
+    }
+
+    public void setAddress(String address) {
+        this.address = address;
+    }
+
+    public Advisor getAdvisor() {
+        return advisor;
+    }
+
+    public void setAdvisor(Advisor advisor) {
+        this.advisor = advisor;
+    }
+}
diff --git a/src/main/java/com/wellsfargo/counselor/entity/Portfolio.java b/src/main/java/com/wellsfargo/counselor/entity/Portfolio.java
new file mode 100644
index 00000000..4457f495
--- /dev/null
+++ b/src/main/java/com/wellsfargo/counselor/entity/Portfolio.java
@@ -0,0 +1,50 @@
+package com.wellsfargo.counselor.entity;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import jakarta.persistence.ManyToOne;
+import java.util.Date;
+
+@Entity
+public class Portfolio {
+
+    @Id
+    @GeneratedValue
+    private long portfolioId;
+
+    @ManyToOne
+    private Client client;
+
+    @Column(nullable = false)
+    private Date creationDate;
+
+    protected Portfolio() {
+    }
+
+    public Portfolio(Client client, Date creationDate) {
+        this.client = client;
+        this.creationDate = creationDate;
+    }
+
+    public long getPortfolioId() {
+        return portfolioId;
+    }
+
+    public Client getClient() {
+        return client;
+    }
+
+    public void setClient(Client client) {
+        this.client = client;
+    }
+
+    public Date getCreationDate() {
+        return creationDate;
+    }
+
+    public void setCreationDate(Date creationDate) {
+        this.creationDate = creationDate;
+    }
+}
diff --git a/src/main/java/com/wellsfargo/counselor/entity/Security.java b/src/main/java/com/wellsfargo/counselor/entity/Security.java
new file mode 100644
index 00000000..a400b2bd
--- /dev/null
+++ b/src/main/java/com/wellsfargo/counselor/entity/Security.java
@@ -0,0 +1,98 @@
+package com.wellsfargo.counselor.entity;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import jakarta.persistence.ManyToOne;
+import java.util.Date;
+
+@Entity
+public class Security {
+
+    @Id
+    @GeneratedValue
+    private long securityId;
+
+    @ManyToOne
+    private Portfolio portfolio;
+
+    @Column(nullable = false)
+    private String name;
+
+    @Column(nullable = false)
+    private String category;
+
+    @Column(nullable = false)
+    private Date purchaseDate;
+
+    @Column(nullable = false)
+    private float purchasePrice;
+
+    @Column(nullable = false)
+    private int quantity;
+
+    protected Security() {
+    }
+
+    public Security(Portfolio portfolio, String name, String category, Date purchaseDate, float purchasePrice, int quantity) {
+        this.portfolio = portfolio;
+        this.name = name;
+        this.category = category;
+        this.purchaseDate = purchaseDate;
+        this.purchasePrice = purchasePrice;
+        this.quantity = quantity;
+    }
+
+    public long getSecurityId() {
+        return securityId;
+    }
+
+    public Portfolio getPortfolio() {
+        return portfolio;
+    }
+
+    public void setPortfolio(Portfolio portfolio) {
+        this.portfolio = portfolio;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getCategory() {
+        return category;
+    }
+
+    public void setCategory(String category) {
+        this.category = category;
+    }
+
+    public Date getPurchaseDate() {
+        return purchaseDate;
+    }
+
+    public void setPurchaseDate(Date purchaseDate) {
+        this.purchaseDate = purchaseDate;
+    }
+
+    public float getPurchasePrice() {
+        return purchasePrice;
+    }
+
+    public void setPurchasePrice(float purchasePrice) {
+        this.purchasePrice = purchasePrice;
+    }
+
+    public int getQuantity() {
+        return quantity;
+    }
+
+    public void setQuantity(int quantity) {
+        this.quantity = quantity;
+    }
+}