DIRECTORS
Stephen J. Walton MCIPS
Stephen has been operating in Specification Consultancy since 2002 with a preceding career in Construction Procurement for more than 20 years prior.
Stephen’s specification career began with Davis Langdon Schumann Smith in 2002 which included a tenure in Dublin between 2007-2009 running the Specification Department of DL PKS before rejoining DLSS in London shortly before the AECOM acquisition of Davis Langdon in 2010.
In 2013, Stephen joined Schumann Consult and remained there through the merger with RLB (Rider Levett Bucknall) in 2016 becoming a Partner until leaving in April 2018 to start up NSUK Ltd.
Taiwo Odunaike ACIAT
Taiwo’s focus on specification consulting commenced since 2005 when he joined Davis Langdon Schumann Smith (later acquired by AECOM) working closely with Stephen. This was preceded by over a decade running refurbishments projects and facilities maintenance management programmes.
Before leaving to join NSUK Ltd in March 2019, Taiwo worked on several UK and overseas projects of varying styles and complexities, designed by several signature architects such as Foster+Partners, Zaha Hadid Architects, Hopkins, WEA, A&M, HB, FCBs, BGY & DSK.
At AECOM, Taiwo was a Senior Specification Consultant, UK lead consultant on CSI (USA specification format) and a key member of the Technical Review Committee. There, he led projects such as FIFA 2022 Al Wakrah Stadium Precinct Qatar, KAFD Riyadh Metro Station, National Built Heritage Centre Diriyah, British Embassy Washington, Dyson Offices UK, Kuwait Int Airport, and Waterloo Int Terminal.
CONSULTANTS
Rod Evans ACIAT

Before entering the construction sector Rod worked for 16 years as an IT Programmer/Analyst with British Gas/Transco. In 2003 he moved to France to set up a property maintenance and development business. After 11 years successfully running the business he returned to the UK in 2014 to supplement the practical knowledge gained on site by studying for a BSc (Hons) in Architectural Technology.
Whilst studying for his degree Rod developed a keen interest in sustainability and ‘green’ architecture. This formed the basis of his final year Major Design Project/Dissertation – to design a sustainable, small-scale, rural community based on the cohousing concept. He graduated in 2019 with First Class Honours.
Rod began his career as a specification consultant with National Specifications UK Ltd in 2020.
Bev Wills BA (Hons)

Bev has worked in Specification consultancy variously in proofreading, auditing and architectural specification consulting roles.
Bev joined Schumann Smith as a proofreader in 2000, continuing in that position during the merger with Davis Langdon and the acquisition by AECOM. Bev also carried out internal audits to ensure that BSI accreditation was maintained.
Bev joined Schumann Consult in 2014 as a proofreader, and after 3 years in this role, she moved into writing specifications, during which time the company merged with Rider Levett Bucknall. Bev remained there until August 2020, subsequently joining NSUK Ltd.
Bev has worked on a broad range of UK and overseas projects and is familiar with the range of specification formats.
Backing
Collaboration
National Specifications UK Ltd are proud to be the vanguard of the National Specifications Group along with The Friday Group LLC whereupon close collaborative working optimises the benefits of knowledge-share and sector experience.
Professional Indemnity
NSUK holds PI insurance – Details available on request
Quality Assurance / Technical Back-up
Milestone proof-reading
Industry memberships – BM TRADA / CWCT / British Library / BSI/ BSRIA