1.0IGG Bouweconomiehttps://www.igg.nl/en/Arno Vonkhttps://www.igg.nl/en/kennisbank/author/arno_vonk/rich600338<blockquote class="wp-embedded-content" data-secret="dCcq47ohgv"><a href="https://www.igg.nl/en/about-igg/about-us/">About us</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.igg.nl/en/about-igg/about-us/embed/#?secret=dCcq47ohgv" width="600" height="338" title="“About us” — IGG Bouweconomie" data-secret="dCcq47ohgv" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.igg.nl/wp-includes/js/wp-embed.min.js /* ]]> */ </script>   About IGG Bouweconomie About us IGG Bointon de Groot BV is an independent construction cost and  building economics consultancy based in The Hague. We provide financial advice for all aspects of construction, whatever size or complexity of project. Our sevivces range from Quantity Surveying and building economics to feasibility and audits which can encompass […]