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Darren Williams | Colliers | London - West End

Darren Williams

Head of UK Rating Valuation Surveyors


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Professional Summary

Darren's professional career started with a national surveying firm specialising in Commercial and Industrial property.  From here he moved to a West London company that specialsised in the London, Thames Valley and  Home Counties market where he assisted in developing the professional services client base.  This company  was  subsequently acquired by what is now Colliers International where Darren has focused on providing clients advice on business rates (UK Property Tax) with the Rating team, which has grown from year to year and  are now the leading advisers in the industry.

As a Director of the Rating Department, Darren's experience covers bulk and specialist property and he is involved with client management for local and national companies.

Darren also oversees the UK Rating Valuation Surveyors team in ensuring the best advice and highest service is provided to clients.


Darren's experience in general practice work spans over 18 years and includes Rating, Valuation  and Landlord & Tenant for individual occupiers and multi-national companies including Vodafone Ltd, SEGRO and Mapeley Estates.  Having commenced his professional career with a national firm, in 2003 Darren joined West London and Home Counties commercial property specialist, Jansons Ltd, as Associate Partner and took on the role to develop the Landlord & Tenant and Rating client base in assisting the expansion of the company, working for clients  including Morley Fund Management, Standard Life Investments, BBC Pension Trust, Nightfreight and Brita Water Filters.  This company later became part of Colliers where Darren focused primarily on business rates advice for clients.

Darren's current role focuses on UK property tax (Rating) advice and he is regularly involved in leading discussions with Valuation Office's in agreeing basis of value for various property sectors in key markets.  On behalf of his telecoms client CTIL Darren is a member of the Mast Working Party which includes representatives from both mobile mast operators and the Valuation Office Agency.

Darren oversees the Rating Valuation Surveyors team in ensuring the best advice and highest service is provided to clients.


BSc Property Management 

Memberships & Involvements



CTIL (JV between Vodafone UK & Telefonica), Mapeley Estates Ltd, Mercedes Benz, Vodafone Uk Ltd, CyrusOne, SIG plc,  Poundland Ltd, Co-operative Group Limited, Sally Hair & Beauty.


We have used Colliers rating services  for many years and remain  entirely satisfied with the service.

We have benefitted from innovative thinking, which  has delivered significant additional savings to our business , a continually timely delivery of the service and a  high degree of client care which is much appreciated when we ourselves have tight deadlines to meet , often at short notice.

We have many suppliers across our business but the rating service provided by Colliers ranks as amongst the very best service we receive.

Iain Harris, CTIL



Business Rates / Rating, Business Rates / Rating

Service Lines

Business Rates / Rating

Property Type

Industrial & Logistics, Retail, National Offices

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Featured News

15 Jun 2021

A help guide to business rates

The world of business rates can be confusing. Here we explain what they are and how they affect commercial property.
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