diff --git a/Influx/AllaganTools/Character.cs b/Influx/AllaganTools/Character.cs
index 8534a4a..8bb421a 100644
--- a/Influx/AllaganTools/Character.cs
+++ b/Influx/AllaganTools/Character.cs
@@ -28,8 +28,11 @@ internal sealed class Character
     public CharacterType CharacterType { get; }
     public byte ClassJob { get; }
     public ulong OwnerId { get; }
-    public ulong FreeCompanyId { get; }
+    public ulong FreeCompanyId { get; set; }
     public uint WorldId { get; }
     public string Name => (string)_name.GetValue(_delegate)!;
     public uint Level => (uint)_level.GetValue(_delegate)!;
+
+    public override string ToString() =>
+        $"{nameof(Character)}[{CharacterId}, {(CharacterType == CharacterType.FreeCompanyChest ? "FC" : CharacterType)}, {Name}, {WorldId}]";
 }
diff --git a/Influx/Influx.csproj b/Influx/Influx.csproj
index a41b562..4f64b12 100644
--- a/Influx/Influx.csproj
+++ b/Influx/Influx.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
         <TargetFramework>net8.0-windows</TargetFramework>
-        <Version>0.15</Version>
+        <Version>0.16</Version>
         <LangVersion>12</LangVersion>
         <Nullable>enable</Nullable>
         <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
diff --git a/Influx/InfluxPlugin.cs b/Influx/InfluxPlugin.cs
index d3cb21e..4983167 100644
--- a/Influx/InfluxPlugin.cs
+++ b/Influx/InfluxPlugin.cs
@@ -50,7 +50,7 @@ internal sealed class InfluxPlugin : IDalamudPlugin
         _pluginLog = pluginLog;
         DalamudReflector dalamudReflector = new DalamudReflector(pluginInterface, framework, pluginLog);
         _allaganToolsIpc = new AllaganToolsIpc(pluginInterface, chatGui, dalamudReflector, framework, _pluginLog);
-        _submarineTrackerIpc = new SubmarineTrackerIpc(dalamudReflector);
+        _submarineTrackerIpc = new SubmarineTrackerIpc(dalamudReflector, chatGui, pluginLog);
         _localStatsCalculator =
             new LocalStatsCalculator(pluginInterface, clientState, addonLifecycle, pluginLog, dataManager);
         _fcStatsCalculator = new FcStatsCalculator(this, pluginInterface, clientState, addonLifecycle, gameGui,
@@ -119,6 +119,17 @@ internal sealed class InfluxPlugin : IDalamudPlugin
                     return;
                 }
 
+                foreach (Character character in characters)
+                {
+                    if (character.CharacterType == CharacterType.Character && character.FreeCompanyId != default)
+                    {
+                        bool isFcEnabled = _configuration.IncludedCharacters
+                            .FirstOrDefault(x => x.LocalContentId == character.CharacterId)?.IncludeFreeCompany ?? true;
+                        if (!isFcEnabled)
+                            character.FreeCompanyId = default;
+                    }
+                }
+
                 Dictionary<string, IReadOnlyList<SortingResult>> inventoryItems =
                     _configuration.IncludedInventoryFilters.Select(c => c.Name)
                         .Distinct()
@@ -165,8 +176,8 @@ internal sealed class InfluxPlugin : IDalamudPlugin
         }
     }
 
-    private Dictionary<Character, List<SubmarineStats>> UpdateEnabledSubs(
-        Dictionary<Character, List<SubmarineStats>> allSubs, List<Character> characters)
+    private IReadOnlyDictionary<Character, List<SubmarineStats>> UpdateEnabledSubs(
+        IReadOnlyDictionary<Character, List<SubmarineStats>> allSubs, List<Character> characters)
     {
         foreach (var (character, subs) in allSubs)
         {
diff --git a/Influx/StatisticsUpdate.cs b/Influx/StatisticsUpdate.cs
index 049cc1d..a11d8ab 100644
--- a/Influx/StatisticsUpdate.cs
+++ b/Influx/StatisticsUpdate.cs
@@ -9,7 +9,7 @@ internal sealed class StatisticsUpdate
 {
     public required IReadOnlyDictionary<Character, Currencies> Currencies { get; init; }
     public required IReadOnlyDictionary<string, IReadOnlyList<SortingResult>> InventoryItems { get; init; }
-    public required Dictionary<Character, List<SubmarineStats>> Submarines { get; init; }
-    public required Dictionary<Character, LocalStats> LocalStats { get; init; }
-    public required Dictionary<ulong, FcStats> FcStats { get; init; }
+    public required IReadOnlyDictionary<Character, List<SubmarineStats>> Submarines { get; init; }
+    public required IReadOnlyDictionary<Character, LocalStats> LocalStats { get; init; }
+    public required IReadOnlyDictionary<ulong, FcStats> FcStats { get; init; }
 }
diff --git a/Influx/SubmarineTracker/SubmarineTrackerIpc.cs b/Influx/SubmarineTracker/SubmarineTrackerIpc.cs
index a1d8a2c..a4f1b22 100644
--- a/Influx/SubmarineTracker/SubmarineTrackerIpc.cs
+++ b/Influx/SubmarineTracker/SubmarineTrackerIpc.cs
@@ -1,8 +1,10 @@
-using System.Collections;
+using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using Dalamud.Plugin;
+using Dalamud.Plugin.Services;
 using Influx.AllaganTools;
 using LLib;
 
@@ -11,14 +13,18 @@ namespace Influx.SubmarineTracker;
 internal sealed class SubmarineTrackerIpc
 {
     private readonly DalamudReflector _dalamudReflector;
+    private readonly IChatGui _chatGui;
+    private readonly IPluginLog _pluginLog;
 
-    public SubmarineTrackerIpc(DalamudReflector dalamudReflector)
+    public SubmarineTrackerIpc(DalamudReflector dalamudReflector, IChatGui chatGui, IPluginLog pluginLog)
     {
         _dalamudReflector = dalamudReflector;
+        _chatGui = chatGui;
+        _pluginLog = pluginLog;
     }
 
     [SuppressMessage("Reliability", "CA2000:Dispose objects before losing scope")]
-    public Dictionary<Character, List<SubmarineStats>> GetSubmarineStats(List<Character> characters)
+    public IReadOnlyDictionary<Character, List<SubmarineStats>> GetSubmarineStats(List<Character> characters)
     {
         if (_dalamudReflector.TryGetDalamudPlugin("Submarine Tracker", out IDalamudPlugin? it, false, true))
         {
@@ -42,25 +48,48 @@ internal sealed class SubmarineTrackerIpc
                     Fc = characters.FirstOrDefault(y => y.CharacterId == x.Owner!.FreeCompanyId)
                 })
                 .Where(x => x.Fc != null)
-                .ToDictionary(
-                    x => x.Fc!,
-                    x => x.Subs.Select(y => new SubmarineStats
+                .Select(x => new SubmarineInfo(x.Fc!, x.Subs))
+                .GroupBy(x => x.Fc)
+                .ToDictionary(x => x.Key, x =>
+                {
+                    if (x.Count() != 1)
                     {
-                        Id = x.Subs.IndexOf(y),
-                        Name = y.Name,
-                        WorldId = x.Fc!.WorldId,
-                        Level = y.Level,
-                        PredictedLevel = y.PredictedLevel,
-                        Hull = y.Build.HullIdentifier,
-                        Stern = y.Build.SternIdentifier,
-                        Bow = y.Build.BowIdentifier,
-                        Bridge = y.Build.BridgeIdentifier,
-                        Build = y.Build.FullIdentifier,
-                        State = y.State,
-                        ReturnTime = y.ReturnTime,
-                    }).ToList());
+                        _chatGui.PrintError($"[Influx] Unable to collect data, FC '{x.Key.Name}' is included in statistics through multiple characters/owners.");
+                        var characterNames = characters.Where(y => y.FreeCompanyId == x.Key.CharacterId).Select(y => y.Name).ToList();
+                        throw new InvalidOperationException($"Unable to collect FC data for FC '{x.Key}'{Environment.NewLine}Multiple characters include the same FC ({string.Join(", ", characterNames)}), only one of them should have 'Include Free Company Statistics' set");
+                    }
+
+                    return x.Single().Subs;
+                });
         }
         else
             return new Dictionary<Character, List<SubmarineStats>>();
     }
+
+    private sealed record SubmarineInfo(Character Fc, List<SubmarineStats> Subs)
+    {
+        public SubmarineInfo(Character fc, IList<Submarine> subs)
+            : this(fc, subs.Select(x => Convert(fc, subs.IndexOf(x), x)).ToList())
+        {
+        }
+
+        private static SubmarineStats Convert(Character fc, int index, Submarine y)
+        {
+            return new SubmarineStats
+            {
+                Id = index,
+                Name = y.Name,
+                WorldId = fc.WorldId,
+                Level = y.Level,
+                PredictedLevel = y.PredictedLevel,
+                Hull = y.Build.HullIdentifier,
+                Stern = y.Build.SternIdentifier,
+                Bow = y.Build.BowIdentifier,
+                Bridge = y.Build.BridgeIdentifier,
+                Build = y.Build.FullIdentifier,
+                State = y.State,
+                ReturnTime = y.ReturnTime,
+            };
+        }
+    }
 }
diff --git a/Influx/Windows/StatisticsWindow.cs b/Influx/Windows/StatisticsWindow.cs
index 2c3cca3..94140f7 100644
--- a/Influx/Windows/StatisticsWindow.cs
+++ b/Influx/Windows/StatisticsWindow.cs
@@ -24,10 +24,10 @@ internal sealed class StatisticsWindow : Window
 
     public override void Draw()
     {
-        if (ImGui.BeginTable("Currencies###InfluxStatisticsCurrencies", 4))
+        if (ImGui.BeginTable("Currencies###InfluxStatisticsCurrencies", 2))
         {
             ImGui.TableSetupColumn("Name");
-            ImGui.TableSetupColumn("Gil");
+            ImGui.TableSetupColumn($"Gil ({_rows.Sum(x => x.Gil):N0})##Gil");
             ImGui.TableHeadersRow();
 
             foreach (var row in _rows)