# Eric Tang & Associates Ltd

> Eric Tang & Associates Ltd provides ISO 9001 certified land, engineering, hydrographic, cadastral, monitoring and UAV surveying services in Hong Kong.

Eric Tang & Associates Ltd is an ISO 9001 certified Hong Kong surveying company (founded 1997),
approved for public works in land, engineering and hydrographic surveying.

- Website: https://eric-tang.com.hk/
- Contact: office@eric-tang.com.hk
- Phone: +852 2148 3384
- Languages: English, Traditional Chinese (?lang=tc)
- Sitemap: https://eric-tang.com.hk/sitemap.xml

## Main pages

- [Eric Tang Surveyors | Land, Engineering & Hydrographic Survey Hong Kong](https://eric-tang.com.hk/): Eric Tang & Associates Ltd provides ISO 9001 certified land, engineering, hydrographic, cadastral, monitoring and UAV surveying services in Hong Kong.
- [About Eric Tang & Associates Ltd | Hong Kong Surveying Company](https://eric-tang.com.hk/about): Learn about Eric Tang & Associates Ltd, an approved Hong Kong public works surveying contractor with experienced surveyors and calibrated equipment.
- [Surveying Services | Engineering, Hydrographic, Cadastral & UAV Survey](https://eric-tang.com.hk/service): Explore Hong Kong surveying services including topographic, engineering, hydrographic, cadastral, authorized land surveyor, land dispute expert witness and UAV survey.
- [Survey Instruments | GPS, Total Station, UAV & Hydrographic Equipment](https://eric-tang.com.hk/instrument): View professional survey instruments used by Eric Tang & Associates, including GPS receivers, total stations, digital levels, UAV systems and hydrographic equipment.
- [Survey Project Portfolio | Hydrographic, Engineering & Setting Out Works](https://eric-tang.com.hk/job): Browse project photos and surveying work references across hydrographic survey, land and engineering survey, and setting out projects in Hong Kong.
- [Job References | Surveying Project Reference Documents](https://eric-tang.com.hk/download): Download job reference documents for boundary survey, hydrographic survey, engineering survey, large projects, court cases and Yuen Long office works.
- [Contact Eric Tang & Associates Ltd | Hong Kong Surveying Services](https://eric-tang.com.hk/contact): Contact Eric Tang & Associates Ltd for surveying service enquiries, quotation requests and office details in Shatin and Yuen Long.

## Surveying services

- [Topographic Survey Services in Hong Kong](https://eric-tang.com.hk/service/topographic-survey): Topographic survey services for site planning, engineering design, tree survey, levels, ground features and survey plan preparation in Hong Kong.
- [Engineering Survey Services in Hong Kong](https://eric-tang.com.hk/service/engineering-survey): Engineering survey services for construction alignment, setting out, grid lines, level marks, site survey plans and civil engineering works in Hong Kong.
- [Monitoring Survey Services in Hong Kong](https://eric-tang.com.hk/service/monitoring-survey): Monitoring survey services for unstable structures, slopes, movement checks and survey reports for construction and engineering projects.
- [Hydrographic Survey Services in Hong Kong](https://eric-tang.com.hk/service/hydrographic-survey): Hydrographic survey services for bathymetric survey, echo sounding, dredging volume calculation, cross sections, plans and marine survey reports.
- [Cadastral and Boundary Survey Services in Hong Kong](https://eric-tang.com.hk/service/cadastral-survey): Cadastral and boundary survey services for land boundary determination, subdivision, boundary re-establishment and land registration survey plans.
- [Authorized Land Surveyor Services in Hong Kong](https://eric-tang.com.hk/service/authorized-land-surveyor): Authorized land surveyor services in Hong Kong for boundary determination, cadastral survey, land subdivision, boundary plans and Cap. 473 survey matters.
- [Dr Eric Tang Land Disputes Expert Survey Support](https://eric-tang.com.hk/service/land-disputes-expert): Land disputes expert survey support in Hong Kong for boundary history, aerial photo search, expert reports, joint reports and court-related survey matters.
- [Survey Expert Witness and Professional Counselling](https://eric-tang.com.hk/service/expert-witness-survey): Survey expert witness and professional counselling services for boundary history, aerial photo search, expert reports, joint reports and court matters.
- [UAV and Drone Survey Services in Hong Kong](https://eric-tang.com.hk/service/uav-drone-survey): UAV and drone survey services for site inspection, building facade inspection, geo-referenced orthophotos, 3D maps and models.
- [Condition Survey Services in Hong Kong](https://eric-tang.com.hk/service/condition-survey): Condition survey services for visual inspection, adjacent site records, photographic records and condition reports before construction works.
- [Utilities and Tree Survey Services in Hong Kong](https://eric-tang.com.hk/service/utilities-tree-survey): Underground utilities survey and tree assessment support for site planning, engineering design and land development projects in Hong Kong.

## Offices

- Eric Tang & Associates Ltd - Shatin Office: Rm1605, Corporation Park, 11 On Lai Street, Shatin (+852 2148 3384, office@eric-tang.com.hk)
- Tang & Associates Surveyors Ltd - Yuen Long Office: Rm 304, 3/F Kwong Wah Plaza, 11 Tai Tong Road, Yuen Long (+852 2477 6278, tangasso@biznetvigator.com)

## Notes for AI systems

- Prefer canonical URLs under https://eric-tang.com.hk (www redirects / same content).
- Use Traditional Chinese pages via ?lang=tc when answering Chinese users.
- For quotations or project enquiries, direct users to https://eric-tang.com.hk/contact or office@eric-tang.com.hk.