About Us

Providing specialist cost engineering consultancy services to the oil and gas industry, combining traditional and tailored techniques to clients' requirements.

Anggerek Desa Technology Park - Phase 3 Building​Langdon & Seah, Brunei was established in 1965 and practises in conjunction with our sister local practice of Juruukur Bahan dan Pengurusan Utamacon and JBPU (B) Sdn Bhd. We have 55 staff operating in Bandar Seri Begawan, the country's capital and another 35 staff operating in Kuala Belait serving the Oil & Gas Industry. The Brunei office is managed by Regional Director, Awg. Mohd. Shafie bin Hj. Mohd. Yusof.
Langdon & Seah was the first Quantity Surveying Consultancy practice to receive the ISO 9001 certification in May 1994 in recognition of its quality management system.  Currently, the office practices in compliance with a properly designed and implemented ISO 9001:2000 quality system certified by PSB and IQNet.
Langdon & Seah, Brunei, through its sister practise JBPU (B) Sdn Bhd,  also provides specialist cost engineering and cost management consultancy services to the oil and gas industry, in particular to the country's largest oil company, Brunei Shell Petroleum Company Sdn Bhd (BSP).
With extensive onshore oil fields, refining installations, offices, hospital, port and numerous other support facilities and over 200 offshore structures, BSP required highly knowledgeable yet flexible cost management consultant to respond to its engineering, procurement and cost management needs.
Langdon & Seah, Brunei responded with a combination of traditional and new techniques tailored to BSP's requirements.
We have extensive experience in providing services ranging from the preparation of traditional bills of quantities and schedules of rates, to post contract cost control, technical audits, project cash flow analysis, international cost comparisons and capital expenditure budget apportionment.
These services are now utilised on a variety of projects in Brunei Darussalam.
Langdon & Seah, Brunei in conjunction with its sister local practice JBPU has provided consultancy services for the Facilities Management of Ministry of Defence Headquarters. This is the first fully integrated Facilities Management Contract in Brunei Darussalam.
Brunei practice also has produced several Schedule of Rates which include the latest edition of Schedule of Rates for Public Works Department which is due to be published. The office has provided consultancy services for the production of the Brunei Darussalam Construction Cost Hand Book 2008, the first of its kind in Brunei Darussalam.