diff --git a/cmd/defaults.yaml b/cmd/defaults.yaml
index 4854356455..f0c8bedbeb 100644
--- a/cmd/defaults.yaml
+++ b/cmd/defaults.yaml
@@ -328,6 +328,16 @@ Caches:
       AddSource: true
       Formatter:
         Format: text
+  # Organization cache, gettable by primary domain or ID.
+  Organization:
+    Connector: ""
+    MaxAge: 1h
+    LastUsage: 10m
+    Log:
+      Level: error
+      AddSource: true
+      Formatter:
+        Format: text
 
 Machine:
   # Cloud-hosted VMs need to specify their metadata endpoint so that the machine can be uniquely identified.
diff --git a/docs/docs/self-hosting/manage/cache.md b/docs/docs/self-hosting/manage/cache.md
index 2de0b43faa..def2ece633 100644
--- a/docs/docs/self-hosting/manage/cache.md
+++ b/docs/docs/self-hosting/manage/cache.md
@@ -176,6 +176,16 @@ Milestones are reached upon the first time a certain action is performed. For ex
 As an extra optimization, once all milestones are reached by the instance, an in-memory flag is set and the milestone state is never queried again from the database nor cache.
 For single instance setups which fulfilled all milestone (*your next steps* in console) it is not needed to enable this cache. We mainly use it for ZITADEL cloud where there are many instances with *incomplete* milestones.
 
+### Organization
+
+Most resources like users, project and applications are part of an [organization](/docs/concepts/structure/organizations). Therefore many parts of the ZITADEL logic search for an organization by ID or by their primary domain.
+Organization objects are quite small and receive infrequent updates after they are created:
+
+- Change of organization name
+- Deactivation / Reactivation
+- Change of primary domain
+- Removal
+
 ## Examples
 
 Currently caches are in beta and disabled by default. However, if you want to give caching a try, the following sections contains some suggested configurations for different setups.
@@ -189,6 +199,9 @@ Caches:
   Instance:
     Connector: "memory"
     MaxAge: 1h
+  Organization:
+    Connector: "memory"
+    MaxAge: 1h
 ```
 
 The following configuration is recommended for single instance setups with high traffic on multiple servers, where Redis is not available:
@@ -206,6 +219,9 @@ Caches:
     Connector: "postgres"
     MaxAge: 1h
     LastUsage: 10m
+  Organization:
+    Connector: "memory"
+    MaxAge: 1s
 ```
 
 When running many instances on multiple servers:
@@ -225,6 +241,10 @@ Caches:
     Connector: "redis"
     MaxAge: 1h
     LastUsage: 10m
+  Organization:
+    Connector: "redis"
+    MaxAge: 1h
+    LastUsage: 10m
 ```
 ----
 
diff --git a/internal/cache/cache.go b/internal/cache/cache.go
index 9e92f50988..c7dbad6f2c 100644
--- a/internal/cache/cache.go
+++ b/internal/cache/cache.go
@@ -16,6 +16,7 @@ const (
 	PurposeUnspecified Purpose = iota
 	PurposeAuthzInstance
 	PurposeMilestones
+	PurposeOrganization
 )
 
 // Cache stores objects with a value of type `V`.
diff --git a/internal/cache/connector/connector.go b/internal/cache/connector/connector.go
index 0c4fb9ccc6..09298fa688 100644
--- a/internal/cache/connector/connector.go
+++ b/internal/cache/connector/connector.go
@@ -19,8 +19,9 @@ type CachesConfig struct {
 		Postgres pg.Config
 		Redis    redis.Config
 	}
-	Instance   *cache.Config
-	Milestones *cache.Config
+	Instance     *cache.Config
+	Milestones   *cache.Config
+	Organization *cache.Config
 }
 
 type Connectors struct {
diff --git a/internal/cache/purpose_enumer.go b/internal/cache/purpose_enumer.go
index bae47476ff..47ad167d70 100644
--- a/internal/cache/purpose_enumer.go
+++ b/internal/cache/purpose_enumer.go
@@ -7,11 +7,11 @@ import (
 	"strings"
 )
 
-const _PurposeName = "unspecifiedauthz_instancemilestones"
+const _PurposeName = "unspecifiedauthz_instancemilestonesorganization"
 
-var _PurposeIndex = [...]uint8{0, 11, 25, 35}
+var _PurposeIndex = [...]uint8{0, 11, 25, 35, 47}
 
-const _PurposeLowerName = "unspecifiedauthz_instancemilestones"
+const _PurposeLowerName = "unspecifiedauthz_instancemilestonesorganization"
 
 func (i Purpose) String() string {
 	if i < 0 || i >= Purpose(len(_PurposeIndex)-1) {
@@ -27,9 +27,10 @@ func _PurposeNoOp() {
 	_ = x[PurposeUnspecified-(0)]
 	_ = x[PurposeAuthzInstance-(1)]
 	_ = x[PurposeMilestones-(2)]
+	_ = x[PurposeOrganization-(3)]
 }
 
-var _PurposeValues = []Purpose{PurposeUnspecified, PurposeAuthzInstance, PurposeMilestones}
+var _PurposeValues = []Purpose{PurposeUnspecified, PurposeAuthzInstance, PurposeMilestones, PurposeOrganization}
 
 var _PurposeNameToValueMap = map[string]Purpose{
 	_PurposeName[0:11]:       PurposeUnspecified,
@@ -38,12 +39,15 @@ var _PurposeNameToValueMap = map[string]Purpose{
 	_PurposeLowerName[11:25]: PurposeAuthzInstance,
 	_PurposeName[25:35]:      PurposeMilestones,
 	_PurposeLowerName[25:35]: PurposeMilestones,
+	_PurposeName[35:47]:      PurposeOrganization,
+	_PurposeLowerName[35:47]: PurposeOrganization,
 }
 
 var _PurposeNames = []string{
 	_PurposeName[0:11],
 	_PurposeName[11:25],
 	_PurposeName[25:35],
+	_PurposeName[35:47],
 }
 
 // PurposeString retrieves an enum value from the enum constants string name.
diff --git a/internal/integration/config/zitadel.yaml b/internal/integration/config/zitadel.yaml
index 378dc2f09b..e2642d9b8f 100644
--- a/internal/integration/config/zitadel.yaml
+++ b/internal/integration/config/zitadel.yaml
@@ -8,28 +8,30 @@ TLS:
 
 Caches:
   Connectors:
+    Memory:
+      Enabled: true
     Postgres:
       Enabled: true
     Redis:
       Enabled: true
   Instance:
-    Connector: "redis"
-    MaxAge: 1h
-    LastUsage: 10m
+    Connector: "memory"
+    MaxAge: 5m
+    LastUsage: 1m
     Log:
       Level: info
-      AddSource: true
-      Formatter:
-        Format: text
   Milestones:
     Connector: "postgres"
-    MaxAge: 1h
-    LastUsage: 10m
+    MaxAge: 5m
+    LastUsage: 1m
+    Log:
+      Level: info
+  Organization:
+    Connector: "redis"
+    MaxAge: 5m
+    LastUsage: 1m
     Log:
       Level: info
-      AddSource: true
-      Formatter:
-        Format: text
 
 Quotas:
   Access:
diff --git a/internal/query/cache.go b/internal/query/cache.go
index 55f7bb3db6..949e121c1f 100644
--- a/internal/query/cache.go
+++ b/internal/query/cache.go
@@ -12,6 +12,7 @@ import (
 
 type Caches struct {
 	instance cache.Cache[instanceIndex, string, *authzInstance]
+	org      cache.Cache[orgIndex, string, *Org]
 }
 
 func startCaches(background context.Context, connectors connector.Connectors) (_ *Caches, err error) {
@@ -20,7 +21,13 @@ func startCaches(background context.Context, connectors connector.Connectors) (_
 	if err != nil {
 		return nil, err
 	}
+	caches.org, err = connector.StartCache[orgIndex, string, *Org](background, orgIndexValues(), cache.PurposeOrganization, connectors.Config.Organization, connectors)
+	if err != nil {
+		return nil, err
+	}
+
 	caches.registerInstanceInvalidation()
+	caches.registerOrgInvalidation()
 	return caches, nil
 }
 
diff --git a/internal/query/instance.go b/internal/query/instance.go
index 549c05a233..8dd0db7d89 100644
--- a/internal/query/instance.go
+++ b/internal/query/instance.go
@@ -522,9 +522,9 @@ func (i *authzInstance) Keys(index instanceIndex) []string {
 		return []string{i.ID}
 	case instanceIndexByHost:
 		return i.ExternalDomains
-	default:
-		return nil
+	case instanceIndexUnspecified:
 	}
+	return nil
 }
 
 func scanAuthzInstance() (*authzInstance, func(row *sql.Row) error) {
diff --git a/internal/query/org.go b/internal/query/org.go
index 1c20255171..a57867d92b 100644
--- a/internal/query/org.go
+++ b/internal/query/org.go
@@ -107,10 +107,19 @@ func (q *OrgSearchQueries) toQuery(query sq.SelectBuilder) sq.SelectBuilder {
 	return query
 }
 
-func (q *Queries) OrgByID(ctx context.Context, shouldTriggerBulk bool, id string) (_ *Org, err error) {
+func (q *Queries) OrgByID(ctx context.Context, shouldTriggerBulk bool, id string) (org *Org, err error) {
 	ctx, span := tracing.NewSpan(ctx)
 	defer func() { span.EndWithError(err) }()
 
+	if org, ok := q.caches.org.Get(ctx, orgIndexByID, id); ok {
+		return org, nil
+	}
+	defer func() {
+		if err == nil && org != nil {
+			q.caches.org.Set(ctx, org)
+		}
+	}()
+
 	if !authz.GetInstance(ctx).Features().ShouldUseImprovedPerformance(feature.ImprovedPerformanceTypeOrgByID) {
 		return q.oldOrgByID(ctx, shouldTriggerBulk, id)
 	}
@@ -175,6 +184,11 @@ func (q *Queries) OrgByPrimaryDomain(ctx context.Context, domain string) (org *O
 	ctx, span := tracing.NewSpan(ctx)
 	defer func() { span.EndWithError(err) }()
 
+	org, ok := q.caches.org.Get(ctx, orgIndexByPrimaryDomain, domain)
+	if ok {
+		return org, nil
+	}
+
 	stmt, scan := prepareOrgQuery(ctx, q.client)
 	query, args, err := stmt.Where(sq.Eq{
 		OrgColumnDomain.identifier():     domain,
@@ -189,6 +203,9 @@ func (q *Queries) OrgByPrimaryDomain(ctx context.Context, domain string) (org *O
 		org, err = scan(row)
 		return err
 	}, query, args...)
+	if err == nil {
+		q.caches.org.Set(ctx, org)
+	}
 	return org, err
 }
 
@@ -476,3 +493,30 @@ func prepareOrgUniqueQuery(ctx context.Context, db prepareDatabase) (sq.SelectBu
 			return isUnique, err
 		}
 }
+
+type orgIndex int
+
+//go:generate enumer -type orgIndex -linecomment
+const (
+	// Empty line comment ensures empty string for unspecified value
+	orgIndexUnspecified orgIndex = iota //
+	orgIndexByID
+	orgIndexByPrimaryDomain
+)
+
+// Keys implements [cache.Entry]
+func (o *Org) Keys(index orgIndex) []string {
+	switch index {
+	case orgIndexByID:
+		return []string{o.ID}
+	case orgIndexByPrimaryDomain:
+		return []string{o.Domain}
+	case orgIndexUnspecified:
+	}
+	return nil
+}
+
+func (c *Caches) registerOrgInvalidation() {
+	invalidate := cacheInvalidationFunc(c.instance, instanceIndexByID, getAggregateID)
+	projection.OrgProjection.RegisterCacheInvalidation(invalidate)
+}
diff --git a/internal/query/orgindex_enumer.go b/internal/query/orgindex_enumer.go
new file mode 100644
index 0000000000..74f7c985c9
--- /dev/null
+++ b/internal/query/orgindex_enumer.go
@@ -0,0 +1,82 @@
+// Code generated by "enumer -type orgIndex -linecomment"; DO NOT EDIT.
+
+package query
+
+import (
+	"fmt"
+	"strings"
+)
+
+const _orgIndexName = "orgIndexByIDorgIndexByPrimaryDomain"
+
+var _orgIndexIndex = [...]uint8{0, 0, 12, 35}
+
+const _orgIndexLowerName = "orgindexbyidorgindexbyprimarydomain"
+
+func (i orgIndex) String() string {
+	if i < 0 || i >= orgIndex(len(_orgIndexIndex)-1) {
+		return fmt.Sprintf("orgIndex(%d)", i)
+	}
+	return _orgIndexName[_orgIndexIndex[i]:_orgIndexIndex[i+1]]
+}
+
+// An "invalid array index" compiler error signifies that the constant values have changed.
+// Re-run the stringer command to generate them again.
+func _orgIndexNoOp() {
+	var x [1]struct{}
+	_ = x[orgIndexUnspecified-(0)]
+	_ = x[orgIndexByID-(1)]
+	_ = x[orgIndexByPrimaryDomain-(2)]
+}
+
+var _orgIndexValues = []orgIndex{orgIndexUnspecified, orgIndexByID, orgIndexByPrimaryDomain}
+
+var _orgIndexNameToValueMap = map[string]orgIndex{
+	_orgIndexName[0:0]:        orgIndexUnspecified,
+	_orgIndexLowerName[0:0]:   orgIndexUnspecified,
+	_orgIndexName[0:12]:       orgIndexByID,
+	_orgIndexLowerName[0:12]:  orgIndexByID,
+	_orgIndexName[12:35]:      orgIndexByPrimaryDomain,
+	_orgIndexLowerName[12:35]: orgIndexByPrimaryDomain,
+}
+
+var _orgIndexNames = []string{
+	_orgIndexName[0:0],
+	_orgIndexName[0:12],
+	_orgIndexName[12:35],
+}
+
+// orgIndexString retrieves an enum value from the enum constants string name.
+// Throws an error if the param is not part of the enum.
+func orgIndexString(s string) (orgIndex, error) {
+	if val, ok := _orgIndexNameToValueMap[s]; ok {
+		return val, nil
+	}
+
+	if val, ok := _orgIndexNameToValueMap[strings.ToLower(s)]; ok {
+		return val, nil
+	}
+	return 0, fmt.Errorf("%s does not belong to orgIndex values", s)
+}
+
+// orgIndexValues returns all values of the enum
+func orgIndexValues() []orgIndex {
+	return _orgIndexValues
+}
+
+// orgIndexStrings returns a slice of all String values of the enum
+func orgIndexStrings() []string {
+	strs := make([]string, len(_orgIndexNames))
+	copy(strs, _orgIndexNames)
+	return strs
+}
+
+// IsAorgIndex returns "true" if the value is listed in the enum definition. "false" otherwise
+func (i orgIndex) IsAorgIndex() bool {
+	for _, v := range _orgIndexValues {
+		if i == v {
+			return true
+		}
+	}
+	return false
+}