Work. Simplified.
Price accurately, deliver profitably, execute efficiently
Bridge the gap between proposals and project execution with the only AI-powered platform built for engineering consultancies

The Delivery Gap
Project delivery is under more pressure than ever
Margins are tight, expectations are rising, and most teams are still running delivery through spreadsheets.
38%
of organisations mostly or always complete projects on time.
41%
complete projects within budget — most are consistently over.
40%
of project professionals cite resource management as their biggest challenge.
42%
spend a full day or more each month just manually collating reports.
48.5%
of organisations have no access to real-time project KPIs.
0
excuses left once Proteus is connected — every number, live, in one place.
Source: Proteus State of Project Management 2026
The solution
Manage every bid and every project in one place
Sales and delivery software built for engineering consultancies and project owners. One connected view from bid to invoice, with AI woven through every stage.

Sales module
Bid / no-bid evaluation, proposal creation and management, work breakdown structures, cost estimation and pricing analysis.
Learn more →
Delivery module
Project controls, real-time tracking and reporting, resourcing and scheduling, project finance, time and approvals, variations and early risk detection.
Learn more →Live now
Proteus BI
Comprehensive sets of dashboards and a BI friendly data layer that allow you to analyse the performance of your project delivery business at all levels
Learn more →Live now
Proteus AI
Ask Proteus.AI anything related to your opportunities, bids or projects and get the answer in seconds.
Learn more →Line of sight from the initial quote to the final invoice
Detailed workflows from the early opportunity stage through to project close-out, in the same platform sharing a common data model.
See it in 2 minutes.
Watch the product video, or browse screenshots from each stage of the project lifecycle
Integrations
Designed to integrate with your existing systems
A comprehensive set of documented public APIs and standardised integration flows allows Proteus to connect seamlessly with the solutions you already use to manage your business.
ERP
SAP · Oracle · NetSuite · Workday · Dynamics 365
CRM
Salesforce · HubSpot · Dynamics 365
Finance & accounting
Xero · MYOB · QuickBooks
Project Scheduling
P6 · Microsoft Project
Document management
Microsoft Sharepoint · Google Drive · ProjectWise
Identity and Access Management
Microsoft Entra
Why Proteus
Bid and project delivery teams love using Proteus
Proteus is designed for simplicity. Its engaging and intuitive user interface provides you with all the data you need at your fingertips and just makes your job easier.

Spreadsheets fail quietly
We get it. Engineers love the flexibility of a spreadsheet. But studies show that nearly 90% of spreadsheets contain significant human or formula errors. Relying on them for pricing and delivering projects is a recipe for never ending verification and remediation.
“We already have a system.” Good. Keep it.
Proteus isn't another ERP or CRM. It's the layer that connects bidding and delivery, so your pipeline and financials stay accurate.
What your CRM and ERP are built for
Customer engagement
Opportunity management
Financial consolidation & reporting
HR & payroll
What Proteus is built for
Bid / no-bid evaluation
Project pricing & proposals
Project controls (EVM, variations)
Time, cost and utilisation tracking
What our customers say
Proteus gives access to the correct data, performing complex calculations in real-time, giving the right people the right metrics at the right time.
Carl DuckinsonChief Information Officer, Aurecon
Proteus has streamlined how we manage projects across our organisation, reducing administrative effort and improving collaboration. With clearer insight into progress and performance, we are now achieving more predictable and successful project outcomes.
Project LeaderWKC Group
Proteus is very versatile and user-friendly. The tool streamlines our workflow and delivers on all fronts. Knowing there is support to hand if required has been outstanding and gives me confidence and peace of mind. Overall, Proteus is an invaluable tool and it is clear that a lot of thought and expertise has gone into its development. Highly recommended!
OperationsCairngorm Energy
Proteus is a very detailed tool - it allows granular cost variables which is important for teams on differing rates and complex resourcing. This is a proper swiss army knife.
Management Consulting
Founders
Built by engineers who understand your real-world challenges
Proteus was established by engineers who spent decades running engineering businesses and experiencing all the same challenges that you face today. They designed Proteus to help engineering consultancies win more profitable business and deliver their projects within budget and on time.

Colin Manson
CEO & Co-Founder
A chemical engineer who co-founded Xodus Group and, as Managing Director, grew it into a $150M business with 14 offices across five continents. After stepping down as CEO in 2015, he co-founded Xergy and launched Proteus, bringing decades of energy consultancy experience to project software.

James McCallum
Chairman & Co-Founder
An engineer and serial entrepreneur who has twice been named EY Entrepreneur of the Year and has founded and exited three companies, including Senergy Group. Emeritus Professor of Energy at the University of Strathclyde and a Fellow of the Institution of Civil Engineers, he now chairs Proteus and guides its product and technical direction.
The Outcome
What you can achieve with Proteus
Customers consistently improve profitability, delivery performance and operational efficiency.
Win better work
- 10% higher win rates
- 15% lower bid costs
- Faster proposal turnaround
- Zero cost leakage
Deliver better projects
- 2 percentage points of higher margin
- 5% higher billable utilisation
- 30% less effort on controls and reporting
- Improved forecast accuracy
Run a better business
- 25% less governance effort
- Faster invoicing
- Lower software costs
- Higher client satisfaction
Source: customer-reported outcomes
See Proteus run with your data
Take one of your proposals and run it in Proteus. See how Proteus can streamline your processes and improve performance.
