Insights

Sustainability Focus Tonkin emphasizes holistic thinking with long-term environmental benefits, positioning them for projects that require sustainable design, green infrastructure, and climate resilience across buildings, land development, water, and transport sectors.

Growth Market Operating in sectors with rapid growth and high planning needs suggests opportunities for advisory and design services in urban development, environmental remediation, and water/waste management across public and private clients.

Integrated Tech Extensive use of industry tools such as AutoCAD, Oracle Primavera P6, and Microsoft 365 indicates strength in complex project planning and design workflows, enabling cross-disciplinary project management for large-scale contracts.

Public Sector Access A client base spanning municipal councils and government departments signals potential for tenders or framework agreements targeting infrastructure upgrades, water resources, and environmental compliance projects.

Acquisition & Expansion History of strategic hires and acquisitions (e.g., expansion through expertise gains and footprint growth) points to openness to partnerships or add-on acquisitions to access new markets or capabilities.

Tonkin Tech Stack

Tonkin uses 8 technology products and services including Autodesk Construction Cloud, Microsoft Outlook, SendGrid, and more. Explore Tonkin's tech stack below.

  • Autodesk Construction Cloud
    Cad & Graphics
  • Microsoft Outlook
    Email
  • SendGrid
    Email Delivery
  • Microsoft Intune
    Enterprise Mobility Management
  • Windows Server
    Operating Systems
  • Microsoft Azure
    Platform As A Service
  • Revisto
    Risk And Compliance
  • PowerShell
    Security

Media & News

Tonkin's Email Address Formats

Tonkin uses at least 1 format(s):
Tonkin Email FormatsExamplePercentage
First.Last@tonkin.com.auJohn.Doe@tonkin.com.au
92%
Last@tonkin.com.auDoe@tonkin.com.au
7%
F.Last@tonkin.com.auJ.Doe@tonkin.com.au
1%

Frequently Asked Questions

What is Tonkin's phone number?

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You can contact Tonkin's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Tonkin's stock symbol?

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Tonkin is a publicly traded company; the company's stock symbol is 8326.HK.

What is Tonkin's official website and social media links?

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Tonkin's official website is tonkin.com.au and has social profiles on LinkedIn.

How much revenue does Tonkin generate?

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As of July 2026, Tonkin's annual revenue is estimated to be $50M - $100M.

What is Tonkin's SIC code NAICS code?

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Tonkin's SIC code is 7299 - Miscellaneous Personal Services, Not Elsewhere Classified NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does Tonkin have currently?

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As of July 2026, Tonkin has approximately 245 employees across 4 continents, including OceaniaEuropeNorth America. Key team members include Chief Executive Officer: G. D.Chief Financial Officer: B. M.Owner: B. T.. Explore Tonkin's employee directory with LeadIQ.

What industry does Tonkin belong to?

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Tonkin operates in the Civil Engineering industry.

What technology does Tonkin use?

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Tonkin's tech stack includes Autodesk Construction CloudMicrosoft OutlookSendGridMicrosoft IntuneWindows ServerMicrosoft AzureRevistoPowerShell.

What is Tonkin's email format?

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Tonkin's email format typically follows the pattern of First.Last@tonkin.com.au. Find more Tonkin email formats with LeadIQ.

When was Tonkin founded?

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Tonkin was founded in 1955.
Tonkin logo

Tonkin

Civil EngineeringSouth Australia, Australia201-500 Employees

Tonkin is a civil engineering and environmental consultancy based in Adelaide, South Australia, that provides services to both private and public sector clients. The firm delivers engineering and advisory solutions across buildings, environmental management, land development, marine and riverine work, transport, waste and water projects. Its client base includes commercial and residential developers, construction firms, municipal councils and government departments.

The company emphasizes curiosity and collaboration, aiming to solve complex problems with thoughtful, sustainable approaches that consider long-term environmental implications and shared stakeholder benefits. It notes that many of its markets are growing rapidly, highlighting the need to accurately forecast future needs in planning and design. Tonkin positions itself as a mid-sized practice that invests in qualified staff and advanced tools to add value beyond the immediate project. In 2018, the firm expanded its national footprint with the acquisition of Sydney's TLB Engineers.

Section iconCompany Overview

Phone number
SIC Code
7299 - Miscellaneous Personal Services, Not Elsewhere Classified
Stock Symbol
8326.HK
NAICS Code
237 - Heavy and Civil Engineering Construction
Founded
1955
Employees
201-500

Section iconFunding & Financials

  • $50M - $100M

    Tonkin's revenue is estimated to be in the range of $50M - $100M

Section iconFunding & Financials

  • $50M - $100M

    Tonkin's revenue is estimated to be in the range of $50M - $100M

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