if(!empty ($ecpt_company)) {
        echo '<div class="co">';
            $content = apply_filters( 'the_content', $ecpt_company );
            $content = str_replace( ']]>', ']]>', $content );
        echo '<span class="cbt-label">Company: </span>'. $content.'</div>';
}

<div class="website"><a href="http://www.example.com/" target="_blank"><span class="cbt-label">Website: </span>www.example.com</a></div>

<div class="web"><a href="<blockquote class="wp-embedded-content" data-secret="qaxc7Sae67"><a href="https://www.example.com/">Home</a>
</blockquote>
<iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted" style="position: absolute; clip: rect(1px, 1px, 1px, 1px);" src="https://www.example.com/embed/#?secret=qaxc7Sae67" data-secret="qaxc7Sae67" width="500" height="282" title="&#8220;Home&#8221; &#8212; Example Company Info Center" frameborder="0" marginwidth="0" marginheight="0" scrolling="no"></iframe>
" target="_blank"><span class="cbt-label">Website: </span>
<blockquote class="wp-embedded-content" data-secret="qaxc7Sae67"><a href="https://www.example.com/">Home</a></blockquote>
<iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted" style="position: absolute; clip: rect(1px, 1px, 1px, 1px);" src="https://www.example.com/embed/#?secret=qaxc7Sae67" data-secret="qaxc7Sae67" width="500" height="282" title="&#8220;Home&#8221; &#8212; Example Company Info Center" frameborder="0" marginwidth="0" marginheight="0" scrolling="no"></iframe>
</a></div>

if(!empty ($ecpt_website)) {

        echo '<div class="website">';
        echo '<a href="'.$ecpt_website . '" target="_blank">';
        echo '<span class="cbt-label">Website: </span>'. $ecpt_website;
        echo '</a>';
        echo '</div>';
         }