diff --git a/app/Events/Quote/QuoteWasMarkedApproved.php b/app/Events/Quote/QuoteWasMarkedApproved.php
new file mode 100644
index 000000000000..087ad138b270
--- /dev/null
+++ b/app/Events/Quote/QuoteWasMarkedApproved.php
@@ -0,0 +1,31 @@
+<?php
+namespace App\Events\Quote;
+
+use App\Models\Company;
+use App\Models\Quote;
+use Illuminate\Queue\SerializesModels;
+
+/**
+ * Class InvoiceWasMarkedSent.
+ */
+class QuoteWasMarkedApproved
+{
+    use SerializesModels;
+    /**
+     * @var Quote
+     */
+    public $quote;
+
+    public $company;
+
+    /**
+     * QuoteWasMarkedApproved constructor.
+     * @param Quote $quote
+     * @param Company $company
+     */
+    public function __construct(Quote $quote, Company $company)
+    {
+        $this->quote = $quote;
+        $this->company = $company;
+    }
+}
diff --git a/app/Events/Quote/QuoteWasMarkedSent.php b/app/Events/Quote/QuoteWasMarkedSent.php
new file mode 100644
index 000000000000..b27c59484df6
--- /dev/null
+++ b/app/Events/Quote/QuoteWasMarkedSent.php
@@ -0,0 +1,30 @@
+<?php
+namespace App\Events\Quote;
+
+use App\Models\Company;
+use App\Models\Quote;
+use Illuminate\Queue\SerializesModels;
+
+/**
+ * Class InvoiceWasMarkedSent.
+ */
+class QuoteWasMarkedSent
+{
+    use SerializesModels;
+    /**
+     * @var Invoice
+     */
+    public $quote;
+    public $company;
+
+    /**
+     * Create a new event instance.
+     *
+     * @param Quote $quote
+     */
+    public function __construct(Quote $quote, Company $company)
+    {
+        $this->quote = $quote;
+        $this->company = $company;
+    }
+}
diff --git a/app/Factory/CloneQuoteToInvoiceFactory.php b/app/Factory/CloneQuoteToInvoiceFactory.php
new file mode 100644
index 000000000000..56bf188ece3a
--- /dev/null
+++ b/app/Factory/CloneQuoteToInvoiceFactory.php
@@ -0,0 +1,19 @@
+<?php
+namespace App\Factory;
+
+use App\Models\Invoice;
+use App\Models\Quote;
+
+class CloneQuoteToInvoiceFactory
+{
+    public function create(Quote $quote, $user_id, $company_id) : ?Invoice
+	{
+		$invoice = new Invoice();
+		$invoice->company_id = $company_id;
+		$invoice->client_id = $quote->client_id;
+		$invoice->user_id = $user_id;
+		$invoice->po_number = $quote->po_number;
+		$invoice->footer = $quote->footer;
+		return $invoice;
+	}
+}
diff --git a/app/Models/Quote.php b/app/Models/Quote.php
index 3f188a79c1ce..645dee4a66f1 100644
--- a/app/Models/Quote.php
+++ b/app/Models/Quote.php
@@ -14,6 +14,7 @@ namespace App\Models;
 use App\Helpers\Invoice\InvoiceSum;
 use App\Helpers\Invoice\InvoiceSumInclusive;
 use App\Models\Filterable;
+use App\Services\Quote\QuoteService;
 use App\Utils\Traits\MakesHash;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\SoftDeletes;
@@ -23,7 +24,7 @@ class Quote extends BaseModel
     use MakesHash;
     use Filterable;
     use SoftDeletes;
-    
+
     protected $fillable = [
         'number',
         'discount',
@@ -59,7 +60,7 @@ class Quote extends BaseModel
         'created_at' => 'timestamp',
         'deleted_at' => 'timestamp',
     ];
-    
+
     const STATUS_DRAFT = 1;
     const STATUS_SENT =  2;
     const STATUS_APPROVED = 3;
@@ -84,7 +85,7 @@ class Quote extends BaseModel
     {
         return $this->belongsTo(User::class, 'assigned_user_id', 'id')->withTrashed();
     }
-    
+
     public function invitations()
     {
         return $this->hasMany(QuoteInvitation::class);
@@ -112,4 +113,23 @@ class Quote extends BaseModel
 
         return $quote_calc->build();
     }
+
+    /**
+     * Updates Invites to SENT
+     *
+     */
+    public function markInvitationsSent()
+    {
+        $this->invitations->each(function ($invitation) {
+            if (!isset($invitation->sent_date)) {
+                $invitation->sent_date = Carbon::now();
+                $invitation->save();
+            }
+        });
+    }
+
+    public function service(): QuoteService
+     {
+         return new QuoteService($this);
+     }
 }
diff --git a/app/Services/Quote/ApplyNumber.php b/app/Services/Quote/ApplyNumber.php
new file mode 100644
index 000000000000..0be47f4da2a0
--- /dev/null
+++ b/app/Services/Quote/ApplyNumber.php
@@ -0,0 +1,41 @@
+<?php
+namespace App\Services\Quote;
+
+use App\Models\Quote;
+use App\Utils\Traits\GeneratesCounter;
+
+class ApplyNumber
+{
+    use GeneratesCounter;
+
+    private $client;
+
+    public function __construct($client)
+    {
+        $this->client = $client;
+    }
+
+    public function __invoke($quote)
+    {
+
+        if ($quote->number != '')
+            return $quote;
+
+        switch ($this->client->getSetting('counter_number_applied')) {
+            case 'when_saved':
+                $quote->number = $this->getNextQuoteNumber($this->client);
+                break;
+            case 'when_sent':
+                if ($quote->status_id == Quote::STATUS_SENT) {
+                    $quote->number = $this->getNextQuoteNumber($this->client);
+                }
+                break;
+
+            default:
+                # code...
+                break;
+        }
+
+        return $quote;
+    }
+}
diff --git a/app/Services/Quote/ConvertQuote.php b/app/Services/Quote/ConvertQuote.php
new file mode 100644
index 000000000000..21ad8ff25b47
--- /dev/null
+++ b/app/Services/Quote/ConvertQuote.php
@@ -0,0 +1,31 @@
+<?php
+namespace App\Services\Quote;
+
+use App\Factory\CloneQuoteToInvoiceFactory;
+use App\Quote;
+use App\Repositories\InvoiceRepository;
+
+class ConvertQuote
+{
+    private $client;
+    private $invoice_repo;
+
+    public function __construct($client, InvoiceRepository $invoice_repo)
+    {
+        $this->client = $client;
+        $this->invoice_repo = $invoice_repo;
+    }
+
+    /**
+     * @param $quote
+     * @return mixed
+     */
+    public function __invoke($quote)
+    {
+        $invoice = CloneQuoteToInvoiceFactory::create($quote, $quote->user_id, $quote->company_id);
+        $this->invoice_repo->save([], $invoice);
+
+        // maybe should return invoice here
+        return $quote;
+    }
+}
diff --git a/app/Services/Quote/CreateInvitations.php b/app/Services/Quote/CreateInvitations.php
new file mode 100644
index 000000000000..24747dfd10c3
--- /dev/null
+++ b/app/Services/Quote/CreateInvitations.php
@@ -0,0 +1,37 @@
+<?php
+namespace App\Services\Quote;
+
+use App\Factory\QuoteInvitationFactory;
+use App\Models\QuoteInvitation;
+
+class CreateInvitations
+{
+
+    public function __construct()
+    {
+    }
+
+    public function __invoke($quote)
+    {
+
+        $contacts = $quote->client->contacts;
+
+        $contacts->each(function ($contact) use($quote){
+            $invitation = QuoteInvitation::whereCompanyId($quote->company_id)
+                ->whereClientContactId($contact->id)
+                ->whereQuoteId($quote->id)
+                ->first();
+
+            if (!$invitation && $contact->send_quote) {
+                $ii = QuoteInvitationFactory::create($quote->company_id, $quote->user_id);
+                $ii->quote_id = $quote->id;
+                $ii->client_contact_id = $contact->id;
+                $ii->save();
+            } elseif ($invitation && !$contact->send_quote) {
+                $invitation->delete();
+            }
+        });
+
+        return $quote;
+    }
+}
diff --git a/app/Services/Quote/MarkApproved.php b/app/Services/Quote/MarkApproved.php
new file mode 100644
index 000000000000..acd0d43cd680
--- /dev/null
+++ b/app/Services/Quote/MarkApproved.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Services\Quote;
+
+use App\Events\Quote\QuoteWasMarkedApproved;
+use App\Models\Quote;
+
+class MarkApproved
+{
+    private $client;
+
+    public function __construct($client)
+    {
+        $this->client = $client;
+    }
+
+    public function __invoke($quote)
+    {
+        /* Return immediately if status is not draft */
+        if ($quote->status_id != Quote::STATUS_SENT) {
+            return $quote;
+        }
+
+        $quote->service()->setStatus(Quote::STATUS_APPROVED)->applyNumber()->save();
+
+        event(new QuoteWasMarkedApproved($quote, $quote->company));
+
+        return $quote;
+    }
+}
diff --git a/app/Services/Quote/MarkSent.php b/app/Services/Quote/MarkSent.php
new file mode 100644
index 000000000000..d98665da8ed4
--- /dev/null
+++ b/app/Services/Quote/MarkSent.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Services\Quote;
+
+use App\Events\Quote\QuoteWasMarkedSent;
+use App\Models\Quote;
+
+class MarkSent
+{
+    private $client;
+
+    public function __construct($client)
+    {
+        $this->client = $client;
+    }
+
+    public function __invoke($quote)
+    {
+
+        /* Return immediately if status is not draft */
+        if ($quote->status_id != Quote::STATUS_DRAFT) {
+            return $quote;
+        }
+
+        $quote->markInvitationsSent();
+
+        event(new QuoteWasMarkedSent($quote, $quote->company));
+
+        $quote->service()->setStatus(Quote::STATUS_SENT)->applyNumber()->save();
+
+        return $quote;
+
+    }
+}
diff --git a/app/Services/Quote/QuoteService.php b/app/Services/Quote/QuoteService.php
new file mode 100644
index 000000000000..ba9b31adc68c
--- /dev/null
+++ b/app/Services/Quote/QuoteService.php
@@ -0,0 +1,76 @@
+<?php
+namespace App\Services\Quote;
+
+use App\Models\Quote;
+
+class QuoteService
+{
+    protected $quote;
+
+    public function __construct($quote)
+    {
+        $this->quote = $quote;
+    }
+
+    public function createInvitations()
+    {
+        $create_invitation = new CreateInvitations();
+
+        $this->quote = $create_invitation($this->quote);
+
+        return $this;
+    }
+
+    public function markApproved()
+    {
+        $mark_approved = new MarkApproved($this->quote->client);
+
+        $this->quote = $mark_approved($this->quote);
+
+        if($this->quote->client->getSetting('auto_convert_quote') === true) {
+            $convert_quote = new ConvertQuote($this->quote->client);
+            $this->quote = $convert_quote($this->quote);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Applies the invoice number
+     * @return $this InvoiceService object
+     */
+    public function applyNumber()
+    {
+        $apply_number = new ApplyNumber($this->quote->client);
+
+        $this->quote = $apply_number($this->quote);
+
+        return $this;
+    }
+
+    public function markSent()
+    {
+        $mark_sent = new MarkSent($this->quote->client);
+
+        $this->quote = $mark_sent($this->quote);
+
+        return $this;
+    }
+
+    public function setStatus($status)
+    {
+        $this->quote->status_id = $status;
+
+        return $this;
+    }
+
+    /**
+     * Saves the quote
+     * @return Quote|null
+     */
+    public function save() : ?Quote
+    {
+        $this->quote->save();
+        return $this->quote;
+    }
+}