diff --git a/associationService.go b/associationService.go
new file mode 100644
index 0000000..b9f6df0
--- /dev/null
+++ b/associationService.go
@@ -0,0 +1,66 @@
+package main
+
+import (
+	"fmt"
+	"log"
+)
+
+type AssociationService struct {
+	db *DB
+}
+type AssociationServiceQuery struct {
+	LHSID  *int64 `db:"lhs"`
+	RHSID  *int64 `db:"rhs"`
+	NoteID *int64 `db:"note"`
+	ID     *int64 `db:"id"`
+}
+
+func (as *AssociationService) Query(query AssociationServiceQuery) ([]Association, error) {
+	res := []Association{}
+	sqlQuery := "SELECT id, lhs, rhs, note FROM association"
+	whereQuery := BuildWhereQuery(query)
+	if whereQuery != "" {
+		sqlQuery += " " + whereQuery
+	}
+
+	rows, err := as.db.readConn.Query(sqlQuery)
+	if err != nil {
+		return res, fmt.Errorf("failed getting associations for query %q: %v", sqlQuery, err)
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		association := Association{}
+		err := rows.Scan(&association.ID, &association.LHS.ID, &association.RHS.ID, &association.Note)
+		if err != nil {
+			return res, fmt.Errorf("failed scanning association: %v", err)
+		}
+		res = append(res, association)
+	}
+
+	return res, nil
+}
+
+func (as *AssociationService) Create(lhs Player, rhs Player, note string) (Association, error) {
+	log.Printf("Creating association between %d and %d with note %s", lhs.ID, rhs.ID, note)
+	association := Association{}
+	res, err := as.db.writeConn.Exec("insert into association (lhs, rhs, note) values (?, ?, ?)", lhs.ID, rhs.ID, note)
+	if err != nil {
+		return association, fmt.Errorf("failed to insert association: %v", err)
+	}
+
+	id, err := res.LastInsertId()
+	if err != nil {
+		return association, fmt.Errorf("failed to get last insert id: %v", err)
+	}
+	log.Printf("Created association between %d and %d with note %s with id %d", lhs.ID, rhs.ID, note, id)
+
+	qres, err := as.Query(AssociationServiceQuery{ID: &id})
+	if err != nil {
+		return association, fmt.Errorf("failed getting association for id %d: %v", id, err)
+	}
+	if len(qres) > 1 {
+		return association, fmt.Errorf("more than one association found for id %d", id)
+	}
+	return qres[0], nil
+}
\ No newline at end of file