Contact — Quanta Source
Quanta Source
How it works Our platform FAQ About Contact Submit excess list
CONTACT

Talk to a trader, not a ticket queue.

Excess to sell, a part to find, or a question about working with us — we aim to respond within one business day, across UK, Asia and Australia hours.
OFFICES

Four offices, one team

London UK — HQ 08:30–18:00 GMT
66 Paul St, London, EC2A 4NA, United Kingdom
Hong Kong ASIA 09:00–18:00 HKT
1307 Beverley Commercial Centre, 87-105 Chatham Rd South, Tsim Sha Tsui
Shenzhen ASIA 09:00–18:00 CST
Suite 1402, Tower 1, Shenzhen Software Industry Base, Nanshan Innovation District
Melbourne REP. OFFICE 09:00–17:30 AEST
Level 27, 101 Collins Street, Melbourne, 3000, VIC, Australia
Direct line for lists and requirements:
hello@quanta-source.com
Send us a message
General enquiries, sourcing requirements, partnerships. For excess lists, use the dedicated form below.
Answered by our commercial team
normally within one business day.
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EXCESS LISTS

Have a list ready? Start here.

Confidential, no-obligation offer — typically within 48 hours.
Quanta Source — Electronic Components, Global Sourcing
An independent distributor and trader of electronic components. We buy excess inventory, source hard-to-find parts, and keep working components in circulation.
SITE
How it works Our platform FAQ About Contact Submit an excess list
OFFICES
LondonHQ
Hong Kong
Shenzhen
Melbourne
Full addresses →
CONTACT
hello@quanta-source.com
We aim to respond within one business day, across UK, Asia & Australia hours.
CERTIFIED & ACCREDITED
ISO 9001 certified ISO 14001 certified ISO 45001 certified Global Electronics Association member London Chamber of Commerce and Industry member British Chamber of Commerce in China member
© 2026 Quanta Source Ltd. All rights reserved. Registered in England & Wales, company no. 17356050. Registered office: 66 Paul St, London, EC2A 4NA.