Master the fundamentals of project finance modelling
Operis is a leading advisor in project finance, renowned for its expertise in financial modelling.
Over 30 years of experience
Since its start in 1990, Operis has built on its distinctive strength in financial modelling and supported more than 1,200 projects worldwide.
The Operis team are leading independent advisors in project finance and financial modelling.
We bring rigour and clarity so that our clients can be confident that they have most robust, understandable, and efficient models. We work with clients in a way that is highly supportive, friendly, and flexible.
Operis offers four complementary sets of services:
- Our advisory service helps create the best project structure in order to attract the finest pricing, contributing to a win rate for our clients well above 50%;
- Our world-class financial modelling and model audit services give lenders greater confidence that their numbers are right;
- Our training services have helped thousands of people build their careers over 25 years using our superior financial modelling methodology;
- Our unique software, the Operis Analysis Kit (OAK) is the world’s leading specialist Excel software add-in for developing, reviewing and interpreting large, complex spreadsheets.
Our Services
Advisory
We are leading international, independent advisers in project finance. We have particular expertise in infrastructure, renewable and digital projects. Our distinctiveness arises from our breadth of project finance advisory experience and superior service, supported by the depth of our modelling capability.
Modelling
We provide world-class financial modelling services for project finance, particularly infrastructure funders. We create a simpler, clearer model that makes it quicker and easier for the client to understand their project and give maximum confidence that any analytical risk has been eliminated.
Model Audit
Operis undertakes model auditing with the client’s goal of success and completing their transaction at the forefront of our mind. We give clients greater confidence that the numbers are right, and that they will be able to see at a glance if the project is in trouble, which protects them from mispricing the deal.
Tax & Accounting
Operis provides worldwide model audit tax & accounting services, along with both UK and Canadian tax advisory for non-recourse financed projects in conventional energy, renewables, digital and general infrastructure. Our experts in project finance tax and accounting give speedy, specialist advice to clients as well as working with our advisory and modelling teams.
Software
Develop and review complex models faster and more accurately with the Operis Analysis Kit (OAK), the world’s leading specialist Excel software add-in for financial modelling and auditing. OAK is seen as the industry standard Excel software add-in for financial modelling and auditing because of its unique functionality, automatability and risk reduction capability.
Training
Operis is a leading financial modelling business and has been teaching financial modelling for over 20 years. We teach the principles and techniques of financial modelling; essential skills that will give an advantage at all stages of a career in finance.
Featured: Case Studies
Rv3/Rv25 Ommansvollen – Grundset/Basthjørnet Road
The Rv3/Rv25 PPP Project was the first of a new generation of PPP Projects procured in Norway.
Audit
Edmonton Valley Line West
The Edmonton Valley Line West is the latest in a long line of Light Rail Transit (LRT) PPP (P3) schemes procured in Alberta, Canada.
Hartland Residuals Treatment Facility
The Hartland Residuals Treatment Facility is near Victoria, British Columbia, in Canada. The project was procured by the Capital Regional District (CRD) under the design-build-finance-operate-maintain P3 model.
Birmingham University: Pritchatts Park Residences
The project involved Birmingham University seeking a private partner for its £125m student accommodation DBFOM contract.
National Broadband Plan (Ireland)
On 19 November 2019, National Broadband Ireland (NBI), a company established by Granahan McCourt, successfully signed a Public-Private Partnership with the Irish Government to deliver the National Broadband Plan (NBP).
Our clients
Experience matters
A reputation built on quality modelling, advice & collaborative transaction support.
A reputation built on quality modelling, advice & collaborative transaction support. A reputation built on quality modelling, advice & collaborative transaction support.
Experience spanning
94 countries
Over 1,640 projects
undertaken to date
£23bn total project value
undertaken in 2023 - 2024
Global projects
685 United Kingdom 191 Europe 252 Americas 15 Asia & Australia 141 Middle East & Africa
Sectors
Energy
96
Environment
81
Power
45
Renewables
204
Social infrastructure
572
Telecommunications
16
Transport
267
2021 The Awards Year
Operis is proud to have won three awards at the IJGlobal 2021 Awards ceremonies in March. The IJGlobal Awards recognise achievements on deals across the infrastructure and energy sectors in all regions around the world.
Taking home the Model Auditor of the Year prize in both the North America division and Europe and Africa division, Operis also won the ‘Infrastructure Deal of the Year – Europe’ for its work as financial advisor to the Birmingham Pritchards Park student accommodation project.
Women in Finance Charter
As part of our commitment to diversity and inclusion, Operis is proud to be a signatory of the Women in Finance Charter. Created by HM Treasury the Charter is a pledge to work together to build a more balanced and fair financial industry in the UK.
How to adapt the PPP procurement process as building material prices rise
Head of Financial Advisory North America, Carmen Wade examines the impact of rising building material prices on the PPP projects.
KnowledgeView all
8 Common Spreadsheet Risks and Solutions
Operis team look at 8 common spreadsheet risks and how to combat them. Spreadsheets are indispensable tools across various industries, facilitating tasks from financial modelling to operational reporting. However, their utility comes with inherent risks, particularly in complex environments such as financial modelling.
Preferred bidder for University of Manchester’s Fallowfield Campus redevelopment
Operis is pleased to have provided the financial and accounting advice to Viridis, a consortium of Equitix, GRAHAM and Derwent FM who have been selected as preferred bidder for the redevelopment of the University of Manchester’s Fallowfield Campus.
Latest News Show all
28 Oct 2026
19 Oct 2026
7 Oct 2026
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"We hand-picked them (Operis) because of their combined expertise and the world-class service they provide."
Bird Capital
Please get in touch with either of our regional offices.
Chris Aldred
+44 207 562 0433
James Jones
+44 207 562 0492
Holly Eveleigh
+44 20 7562 0457
Operis Europe
+44 207 562 0400
Operis North America
+1 647 846 7382
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