diff --git a/src/VatCalculator.php b/src/VatCalculator.php
index 74e3c15..6f478e2 100644
--- a/src/VatCalculator.php
+++ b/src/VatCalculator.php
@@ -4,6 +4,7 @@
 
 use Illuminate\Contracts\Config\Repository;
 use Mpociot\VatCalculator\Exceptions\VATCheckUnavailableException;
+use Mpociot\VatCalculator\Util\ConfigWrapper;
 use SoapClient;
 use SoapFault;
 
@@ -521,7 +522,7 @@ class VatCalculator
     protected $postalCode = '';
 
     /**
-     * @var Repository
+     * @var array
      */
     protected $config;
 
@@ -558,16 +559,14 @@ class VatCalculator
     protected $ukValidationEndpoint = 'https://api.service.hmrc.gov.uk';
 
     /**
-     * @param \Illuminate\Contracts\Config\Repository
+     * @param \Illuminate\Contracts\Config\Repository|array
      */
-    public function __construct($config = null)
+    public function __construct($config = [])
     {
-        $this->config = $config;
-
-        $businessCountryKey = 'vat_calculator.business_country_code';
+        $this->config = $config instanceof Repository ? $config->get('vat_calculator', []) : $config;
 
-        if (isset($this->config) && $this->config->has($businessCountryKey)) {
-            $this->setBusinessCountryCode($this->config->get($businessCountryKey, ''));
+        if (isset($this->config['business_country_code'])) {
+            $this->setBusinessCountryCode($this->config['business_country_code']);
         }
     }
 
@@ -579,9 +578,9 @@ public function __construct($config = null)
      */
     public function shouldCollectVAT($countryCode)
     {
-        $taxKey = 'vat_calculator.rules.'.strtoupper($countryCode);
+        $countryCode = strtoupper($countryCode);
 
-        return isset($this->taxRules[strtoupper($countryCode)]) || (isset($this->config) && $this->config->has($taxKey));
+        return isset($this->taxRules[$countryCode]) || isset($this->config['rules'][$countryCode]);
     }
 
     /**
@@ -749,15 +748,16 @@ public function getTaxRateForCountry($countryCode, $company = false, $type = nul
      */
     public function getTaxRateForLocation($countryCode, $postalCode = null, $company = false, $type = null)
     {
-        if ($company && strtoupper($countryCode) !== strtoupper($this->businessCountryCode)) {
+        $countryCode = strtoupper($countryCode);
+
+        if ($company && $countryCode !== strtoupper($this->businessCountryCode)) {
             return 0;
         }
 
         $taxRules = $this->taxRules;
-        $taxKey = 'vat_calculator.rules.'.strtoupper($countryCode);
 
-        if (isset($this->config) && $this->config->has($taxKey)) {
-            $configTax = $this->config->get($taxKey, 0);
+        if (isset($this->config['rules'][$countryCode])) {
+            $configTax = $this->config['rules'][$countryCode];
 
             if (is_array($configTax)) {
                 $taxRules[$countryCode] = $configTax;
@@ -876,7 +876,7 @@ public function getVATDetails($vatNumber)
                         'vatNumber' => $vatNumber,
                     ]);
                 } catch (SoapFault $e) {
-                    if (isset($this->config) && $this->config->get('vat_calculator.forward_soap_faults')) {
+                    if ($this->config['forward_soap_faults'] ?? false) {
                         throw new VATCheckUnavailableException($e->getMessage(), $e->getCode(), $e->getPrevious());
                     }
 
@@ -902,8 +902,8 @@ public function initSoapClient()
         // Set's default timeout time.
         $timeout = 30;
 
-        if (isset($this->config) && $this->config->has('vat_calculator.soap_timeout')) {
-            $timeout = $this->config->get('vat_calculator.soap_timeout');
+        if (isset($this->config['soap_timeout'])) {
+            $timeout = $this->config['soap_timeout'];
         }
 
         $context = stream_context_create(['http' => ['timeout' => $timeout]]);
@@ -911,7 +911,7 @@ public function initSoapClient()
         try {
             $this->soapClient = new SoapClient(self::VAT_SERVICE_URL, ['stream_context' => $context]);
         } catch (SoapFault $e) {
-            if (isset($this->config) && $this->config->get('vat_calculator.forward_soap_faults')) {
+            if ($this->config['forward_soap_faults'] ?? false) {
                 throw new VATCheckUnavailableException($e->getMessage(), $e->getCode(), $e->getPrevious());
             }
 
diff --git a/tests/VatCalculatorTest.php b/tests/VatCalculatorTest.php
index 50e048f..6c2d8ea 100644
--- a/tests/VatCalculatorTest.php
+++ b/tests/VatCalculatorTest.php
@@ -23,15 +23,10 @@ public function testCalculateVatWithoutCountry()
     {
         $config = m::mock(Repository::class);
 
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
-
-        $config->shouldReceive('has')
+        $config->shouldReceive('get')
             ->once()
-            ->with('vat_calculator.rules.')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([]);
 
         $net = 25.00;
 
@@ -56,17 +51,16 @@ public function testCalculateVatWithPredefinedRules()
 
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
-            ->never();
-
-        $config->shouldReceive('has')
             ->once()
-            ->with('vat_calculator.rules.DE')
-            ->andReturn(false);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([
+                'rules' => [
+                    'DE' => [
+                        'rate' => 0.19,
+                        'exceptions' => [],
+                    ],
+                ],
+            ]);
 
         $vatCalculator = new VatCalculator($config);
         $result = $vatCalculator->calculate($net, $countryCode);
@@ -97,18 +91,12 @@ public function testCalculateVatWithPredefinedRulesOverwrittenByConfiguration()
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
             ->once()
-            ->with($taxKey, 0)
-            ->andReturn(0.50);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with($taxKey)
-            ->andReturn(true);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([
+                'rules' => [
+                    'DE' => 0.50,
+                ]
+            ]);
 
         $vatCalculator = new VatCalculator($config);
         $result = $vatCalculator->calculate($net, $countryCode);
@@ -125,18 +113,12 @@ public function testCalculatVatWithCountryDirectSet()
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
             ->once()
-            ->with('vat_calculator.rules.'.$countryCode, 0)
-            ->andReturn(0.19);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.rules.'.$countryCode)
-            ->andReturn(true);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([
+                'rules' => [
+                    'DE' => 0.19,
+                ]
+            ]);
 
         $vatCalculator = new VatCalculator($config);
         $result = $vatCalculator->calculate($net, $countryCode);
@@ -165,18 +147,12 @@ public function testCalculatVatWithCountryPreviousSet()
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
             ->once()
-            ->with('vat_calculator.rules.'.$countryCode, 0)
-            ->andReturn(0.19);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.rules.'.$countryCode)
-            ->andReturn(true);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([
+                'rules' => [
+                    'DE' => 0.19,
+                ]
+            ]);
 
         $vatCalculator = new VatCalculator($config);
         $vatCalculator->setCountryCode($countryCode);
@@ -196,12 +172,9 @@ public function testCalculatVatWithCountryAndCompany()
 
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
-            ->never();
-
-        $config->shouldReceive('has')
             ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([]);
 
         $vatCalculator = new VatCalculator($config);
         $result = $vatCalculator->calculate($net, $countryCode, $postalCode, $company);
@@ -218,12 +191,9 @@ public function testCalculatVatWithCountryAndCompanySet()
 
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
-            ->never();
-
-        $config->shouldReceive('has')
             ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([]);
 
         $vatCalculator = new VatCalculator($config);
         $vatCalculator->setCompany($company);
@@ -242,12 +212,9 @@ public function testCalculatVatWithCountryAndCompanyBothSet()
 
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
-            ->never();
-
-        $config->shouldReceive('has')
             ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([]);
 
         $vatCalculator = new VatCalculator($config);
         $vatCalculator->setCountryCode($countryCode);
@@ -265,18 +232,12 @@ public function testGetTaxRateForLocationWithCountry()
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
             ->once()
-            ->with('vat_calculator.rules.'.$countryCode, 0)
-            ->andReturn(0.19);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.rules.'.$countryCode)
-            ->andReturn(true);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([
+                'rules' => [
+                    'DE' => 0.19,
+                ],
+            ]);
 
         $vatCalculator = new VatCalculator($config);
         $result = $vatCalculator->getTaxRateForLocation($countryCode);
@@ -290,18 +251,12 @@ public function testGetTaxRateForCountry()
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
             ->once()
-            ->with('vat_calculator.rules.'.$countryCode, 0)
-            ->andReturn(0.19);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.rules.'.$countryCode)
-            ->andReturn(true);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([
+                'rules' => [
+                    'DE' => 0.19,
+                ],
+            ]);
 
         $vatCalculator = new VatCalculator($config);
         $result = $vatCalculator->getTaxRateForCountry($countryCode);
@@ -315,12 +270,9 @@ public function testGetTaxRateForLocationWithCountryAndCompany()
 
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
-            ->never();
-
-        $config->shouldReceive('has')
             ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([]);
 
         $vatCalculator = new VatCalculator($config);
         $result = $vatCalculator->getTaxRateForLocation($countryCode, null, $company);
@@ -334,12 +286,9 @@ public function testGetTaxRateForCountryAndCompany()
 
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
-            ->never();
-
-        $config->shouldReceive('has')
             ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([]);
 
         $vatCalculator = new VatCalculator($config);
         $result = $vatCalculator->getTaxRateForCountry($countryCode, $company);
@@ -349,11 +298,10 @@ public function testGetTaxRateForCountryAndCompany()
     public function testCanValidateValidVATNumber()
     {
         $config = m::mock(Repository::class);
-
-        $config->shouldReceive('has')
+        $config->shouldReceive('get')
             ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([]);
 
         $result = new \stdClass();
         $result->valid = true;
@@ -425,14 +373,10 @@ public function testValidateVATNumberReturnsFalseOnSoapFailureWithoutForwarding(
             ->willThrowException(new \SoapFault('Server', 'Something went wrong'));
 
         $config = m::mock(Repository::class);
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
         $config->shouldReceive('get')
             ->once()
-            ->with('vat_calculator.forward_soap_faults')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([]);
 
         $vatNumber = 'SomeInvalidNumber';
         $vatCalculator = new VatCalculator($config);
@@ -455,14 +399,10 @@ public function testValidateVATNumberThrowsExceptionOnSoapFailure()
             ->willThrowException(new \SoapFault('Server', 'Something went wrong'));
 
         $config = m::mock(Repository::class);
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
         $config->shouldReceive('get')
             ->once()
-            ->with('vat_calculator.forward_soap_faults')
-            ->andReturn(true);
+            ->with('vat_calculator', [])
+            ->andReturn(['forward_soap_faults' => true]);
 
         $vatNumber = 'SomeInvalidNumber';
         $vatCalculator = new VatCalculator($config);
@@ -486,11 +426,10 @@ public function testCannotValidateVATNumberWhenServiceIsDown()
     public function testCanValidateValidUKVATNumber()
     {
         $config = m::mock(Repository::class);
-
-        $config->shouldReceive('has')
+        $config->shouldReceive('get')
             ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([]);
 
         $result = new \stdClass();
         $result->valid = true;
@@ -504,11 +443,10 @@ public function testCanValidateValidUKVATNumber()
     public function testCanValidateInvalidUKVATNumber()
     {
         $config = m::mock(Repository::class);
-
-        $config->shouldReceive('has')
+        $config->shouldReceive('get')
             ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([]);
 
         $result = new \stdClass();
         $result->valid = true;
@@ -526,22 +464,9 @@ public function testCompanyInBusinessCountryGetsValidVATRate()
 
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
-            ->never();
-
-        $config->shouldReceive('has')
             ->once()
-            ->with('vat_calculator.rules.DE')
-            ->andReturn(false);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(true);
-
-        $config->shouldReceive('get')
-            ->once()
-            ->with('vat_calculator.business_country_code', '')
-            ->andReturn($countryCode);
+            ->with('vat_calculator', [])
+            ->andReturn(['business_country_code' => 'DE']);
 
         $vatCalculator = new VatCalculator($config);
         $result = $vatCalculator->calculate($net, $countryCode, null, true);
@@ -649,24 +574,18 @@ public function testPostalCodesWithoutExceptionsOverwrittenByConfiguration()
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
             ->once()
-            ->with($taxKey, 0)
+            ->with('vat_calculator', [])
             ->andReturn([
-                'rate' => 0.19,
-                'exceptions' => [
-                    'Heligoland' => 0.05,
+                'rules' => [
+                    'DE' => [
+                        'rate' => 0.19,
+                        'exceptions' => [
+                            'Heligoland' => 0.05,
+                        ],
+                    ],
                 ],
             ]);
 
-        $config->shouldReceive('has')
-            ->once()
-            ->with($taxKey)
-            ->andReturn(true);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
-
         $vatCalculator = new VatCalculator($config);
         $postalCode = '27498'; // Heligoland
         $result = $vatCalculator->calculate($net, 'DE', $postalCode, false);
@@ -690,15 +609,14 @@ public function testShouldCollectVATFromConfig()
         $taxKey = 'vat_calculator.rules.'.strtoupper($countryCode);
 
         $config = m::mock(Repository::class);
-
-        $config->shouldReceive('has')
-            ->with($taxKey)
-            ->andReturn(true);
-
-        $config->shouldReceive('has')
+        $config->shouldReceive('get')
             ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([
+                'rules' => [
+                    'TEST' => 0.19,
+                ]
+            ]);
 
         $vatCalculator = new VatCalculator($config);
         $this->assertTrue($vatCalculator->shouldCollectVAT($countryCode));
@@ -707,16 +625,10 @@ public function testShouldCollectVATFromConfig()
     public function testCalculateNetPriceWithoutCountry()
     {
         $config = m::mock(Repository::class);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
-
-        $config->shouldReceive('has')
+        $config->shouldReceive('get')
             ->once()
-            ->with('vat_calculator.rules.')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([]);
 
         $gross = 25.00;
 
@@ -741,17 +653,9 @@ public function testCalculateNetPriceWithPredefinedRules()
 
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
-            ->never();
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.rules.DE')
-            ->andReturn(false);
-
-        $config->shouldReceive('has')
             ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([]);
 
         $vatCalculator = new VatCalculator($config);
         $result = $vatCalculator->calculateNet($gross, $countryCode);
@@ -782,18 +686,12 @@ public function testCalculateNetPriceWithPredefinedRulesOverwrittenByConfigurati
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
             ->once()
-            ->with($taxKey, 0)
-            ->andReturn(0.50);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with($taxKey)
-            ->andReturn(true);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([
+                'rules' => [
+                    'DE' => 0.50,
+                ]
+            ]);
 
         $vatCalculator = new VatCalculator($config);
         $result = $vatCalculator->calculateNet($gross, $countryCode);
@@ -810,18 +708,12 @@ public function testCalculateNetPriceWithCountryDirectSet()
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
             ->once()
-            ->with('vat_calculator.rules.'.$countryCode, 0)
-            ->andReturn(0.19);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.rules.'.$countryCode)
-            ->andReturn(true);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([
+                'rules' => [
+                    'DE' => 0.19,
+                ]
+            ]);
 
         $vatCalculator = new VatCalculator($config);
         $result = $vatCalculator->calculateNet($gross, $countryCode);
@@ -851,18 +743,12 @@ public function testCalculateNetPriceWithCountryPreviousSet()
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
             ->once()
-            ->with('vat_calculator.rules.'.$countryCode, 0)
-            ->andReturn(0.19);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.rules.'.$countryCode)
-            ->andReturn(true);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([
+                'rules' => [
+                    'DE' => 0.19,
+                ]
+            ]);
 
         $vatCalculator = new VatCalculator($config);
         $vatCalculator->setCountryCode($countryCode);
@@ -882,12 +768,9 @@ public function testCalculateNetPriceWithCountryAndCompany()
 
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
-            ->never();
-
-        $config->shouldReceive('has')
             ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([]);
 
         $vatCalculator = new VatCalculator($config);
         $result = $vatCalculator->calculateNet($gross, $countryCode, $postalCode, $company);
@@ -904,12 +787,9 @@ public function testCalculateNetPriceWithCountryAndCompanySet()
 
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
-            ->never();
-
-        $config->shouldReceive('has')
             ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([]);
 
         $vatCalculator = new VatCalculator($config);
         $vatCalculator->setCompany($company);
@@ -928,12 +808,9 @@ public function testCalculateNetPriceWithCountryAndCompanyBothSet()
 
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
-            ->never();
-
-        $config->shouldReceive('has')
             ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
+            ->with('vat_calculator', [])
+            ->andReturn([]);
 
         $vatCalculator = new VatCalculator($config);
         $vatCalculator->setCountryCode($countryCode);
@@ -982,25 +859,17 @@ public function testCalculateLowVatVatWithPredefinedRulesOverwrittenByConfigurat
         $config = m::mock(Repository::class);
         $config->shouldReceive('get')
             ->once()
-            ->with($taxKey, 0)
+            ->with('vat_calculator', [])
             ->andReturn([
-                'rate' => 0.19,
-                'rates' => [
-                    'high' => 0.19,
-                    'low' => 0.07,
+                'DE' => [
+                    'rate' => 0.19,
+                    'rates' => [
+                        'high' => 0.19,
+                        'low' => 0.07,
+                    ],
                 ],
             ]);
 
-        $config->shouldReceive('has')
-            ->once()
-            ->with($taxKey)
-            ->andReturn(true);
-
-        $config->shouldReceive('has')
-            ->once()
-            ->with('vat_calculator.business_country_code')
-            ->andReturn(false);
-
         $vatCalculator = new VatCalculator($config);
         $result = $vatCalculator->calculate($net, $countryCode, null, null, 'low');
         $this->assertEquals(25.68, $result);