Worldwide
Locations

Our laboratories are strategically located across Europe, Asia, and North America. We are pleased to offer various options for submitting your property to our laboratory near you.

GRS Head Office | Switzerland

GRS Gemresearch Swisslab AG
Baumschulweg 13
6045 Meggen

T: +41 41 210 31 31

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Shipping Information

by appointment only

Global Laboratory Network

France

GRS Lab (Paris) SARL
211 Rue Saint-Honoré
Paris 75001

T: +33 148 786 771 / T: +33 625 942 706

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Shipping Information

by appointment only

Hong Kong

GRS Lab (Hong Kong) Limited
19th Floor, Man Hing Commercial Building
79 – 83 Queen’s Road Central
Hong Kong SAR

T: +852 2376 3888 / T: +852 6011 0167‬

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Opening Hours: Mo-Fr 10:00-13:00, 14:00-17:00
Closed on official public holidays.

Sri Lanka

GRS Lanka (PVT) Ltd
471 3/1 Galle Road
Colombo 3

T: +94 112 500 666

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Shipping Information

Opening Hours: Mo-Fr 09:30-17:00
Closed on official public holidays.

Thailand

GRS (Thailand) Co., Ltd.
No. 228, 230 Mahesak Road
Suriyawongse, Bangrak
Bangkok 10500

T: +66 2237 5898 / T: +66 2000 4628

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Shipping Information

Opening Hours: Mo-Fr 9:00-18:00
Closed on official public holidays.

United States

GRS Lab USA LLC
50W 47th Street, Suite 1001
New York, NY 10036

T: +1 646 927 6272

Contact Us
Shipping Information

by appointment only

Contact Us

Our laboratories are strategically located across Europe, Asia, and North America. We are pleased to offer various options for submitting your property to our laboratory near you.