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..cc9a9708
--- /dev/null
+++ b/src/main/java/com/wellsfargo/counselor/entity/Client.java
@@ -0,0 +1,84 @@
+package com.wellsfargo.counselor.entity;
+
+import jakarta.persistence.*;
+
+@Entity
+public class Client {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long ClientId;
+    @Column(nullable = false)
+    private String name;
+    @Column(nullable = false)
+    private String contact;
+
+
+    @ManyToOne
+    @JoinColumn(name="advisor_id", nullable = false)
+    private Advisor advisor;
+
+    @OneToOne
+    @JoinColumn(name="portfolio_id", nullable = false)
+    private Portfolio portfolio;
+
+    protected Client(){
+
+    }
+
+    public Client(String name,String contact,Advisor advisor,Portfolio portfolio){
+        this.name = name;
+        this.contact = contact;
+        this.advisor = advisor;
+        this.portfolio = portfolio;
+
+    }
+
+    public Advisor getAdvisor() {
+        return advisor;
+    }
+
+    public void setAdvisor(Advisor advisor) {
+        this.advisor = advisor;
+    }
+
+    public Portfolio getPortfolio() {
+        return portfolio;
+    }
+
+    public void setPortfolio(Portfolio portfolio) {
+        this.portfolio = portfolio;
+    }
+
+    public Advisor getAdvisorId() {
+        return advisor;
+    }
+
+    public void setAdvisorId(Advisor advisor) {
+        this.advisor = advisor;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getContact() {
+        return contact;
+    }
+
+    public void setContact(String contact) {
+        this.contact = contact;
+    }
+
+    public long getClientId() {
+        return ClientId;
+    }
+
+    public void setClientId(long clientId) {
+        ClientId = clientId;
+    }
+}
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..80f5d2dd
--- /dev/null
+++ b/src/main/java/com/wellsfargo/counselor/entity/Portfolio.java
@@ -0,0 +1,57 @@
+package com.wellsfargo.counselor.entity;
+
+import jakarta.persistence.*;
+
+import java.util.Set;
+
+
+@Entity
+public class Portfolio {
+
+    @Id
+    @GeneratedValue()
+    private long PortfolioId;
+
+    @OneToOne
+    @JoinColumn(name="client_id", nullable = false)
+    private Client client;
+
+    @OneToMany(mappedBy = "portfolio", cascade = CascadeType.ALL, orphanRemoval = true)
+    private Set<Security> securities;
+
+
+    protected Portfolio(){
+    }
+
+    public Portfolio(Set<Security> securities) {
+        this.securities = securities;
+    }
+
+    public Portfolio(Client client) {
+        this.client = client;
+    }
+
+    public long getPortfolioId() {
+        return PortfolioId;
+    }
+
+    public Set<Security> getSecurities() {
+        return securities;
+    }
+
+    public void setSecurities(Set<Security> securities) {
+        this.securities = securities;
+    }
+
+    public Client getClient() {
+        return client;
+    }
+
+    public void setClient(Client client) {
+        this.client = client;
+    }
+
+    public void setPortfolioId(long portfolioId) {
+        PortfolioId = portfolioId;
+    }
+}
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..473f2ed4
--- /dev/null
+++ b/src/main/java/com/wellsfargo/counselor/entity/Security.java
@@ -0,0 +1,98 @@
+package com.wellsfargo.counselor.entity;
+
+import jakarta.persistence.*;
+
+import java.time.LocalDate;
+
+@Entity
+public class Security {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long securityId;
+    @Column(nullable = false)
+    private String name;
+    @Column(nullable = false)
+    private String category;
+    @Column(nullable = false)
+    private LocalDate PurchaseDate;
+    @Column(nullable = false)
+    private Integer PurchasePrice;
+    @Column(nullable = false)
+    private Integer Quantity;
+
+    @ManyToOne
+    @JoinColumn(name = "portfolio_id", nullable = false)
+    private Portfolio portfolio;
+
+    public Security(String name, String category, LocalDate purchaseDate, Integer purchasePrice, Integer quantity, Portfolio portfolio) {
+        this.name = name;
+        this.category = category;
+        this.PurchaseDate = purchaseDate;
+        this.PurchasePrice = purchasePrice;
+        this.Quantity = quantity;
+        this.portfolio = portfolio;
+    }
+
+    public long getSecurityId() {
+        return securityId;
+    }
+
+    public void setSecurityId(long securityId) {
+        this.securityId = securityId;
+    }
+
+    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 LocalDate getPurchaseDate() {
+        return PurchaseDate;
+    }
+
+    public void setPurchaseDate(LocalDate purchaseDate) {
+        PurchaseDate = purchaseDate;
+    }
+
+    public Integer getPurchasePrice() {
+        return PurchasePrice;
+    }
+
+    public void setPurchasePrice(Integer purchasePrice) {
+        PurchasePrice = purchasePrice;
+    }
+
+    public Integer getQuantity() {
+        return Quantity;
+    }
+
+    public void setQuantity(Integer quantity) {
+        Quantity = quantity;
+    }
+
+    public Portfolio getPortfolio() {
+        return portfolio;
+    }
+
+    public void setPortfolio(Portfolio portfolio) {
+        this.portfolio = portfolio;
+    }
+
+    protected Security(){
+
+    }
+
+
+}