Goodbye, Orange Book: How Automation Is Redefining the Actuary 

If you qualified as an actuary in the UK any time in the last quarter-century, there is one thing we all share: the “orange book.” For me, the “Formulae and Tables for Actuarial Examinations” was a constant companion through university, the professional exams and sometimes even for my work on defined benefit pension schemes. This year, the Institute and Faculty of Actuaries is retiring that iconic volume. The change marks the end of an era and invites a bigger question: what era are we entering?  


Actuary 1.0, a Day in the Life of a Calculator

My placement year in 2011 was my first taste of the actuarial world. Back then, the actuary’s desk was a landscape of paper, a scientific calculator, and the undisputed king of the office: Microsoft Excel.    

By 2011, actuaries had adapted to the seismic shift brought about by the Pensions Act 2004, as most schemes went through their second or third valuation cycle. The Pensions Act 2004 expanded the profession’s remit dramatically. The old Minimum Funding Requirement was gone, replaced by a far more demanding regime of scheme-specific funding, recovery plans, and s179 valuations for the newly formed Pension Protection Fund.    

Actuary 1.0 was a Microsoft Excel expert, able to build complex models from scratch and automate processes using VBA. As good as those models were, like any complex spreadsheet they were often fragile, sometimes opaque, and almost always came with a high chance of human error. Actuary 1.0’s favourite tool also created a significant vulnerability.    

For many schemes, particularly smaller ones with limited budgets, the actuary’s time was almost entirely consumed by just producing “the number”. There was little time or budget left for the strategic advice they now desperately needed, such as discussions on journey plans, investment risk, or employer covenant. The output was a static report, not a strategic conversation.  

Actuary 2.0, a Day in the Life of a Consultant

When I joined the profession as a graduate in 2014, my first major project was migrating clients from those Excel models onto Mantle. It was immediately clear that this wasn’t just a system migration; it was a complete transformation of the actuarial process. 

Because the pension management platform enables integrated administration processes and actuarial calculations, the painful and time-consuming process of data checking and migration is minimised. The data is live and trusted. Cloud processing means that valuations take minutes rather than needing to be left to run overnight.    

Actuary 2.0’s time is freed up to focus on having strategic conversations with clients rather than producing “the number.” Advice that had once been affordable only for the largest schemes became available to all.    

Using interactive dashboards, we can sit with trustees and model ‘what-if’ scenarios in real-time, exploring the impact of different investment strategies or contribution plans. We can have meaningful, proactive conversations about Integrated Risk Management and monitor a scheme’s journey plan against its long-term goals, rather than just reporting a static position every three years.    

We no longer just deliver a number. We help clients understand what it means and what to do next.    

Actuary 3.0, a Day in the Life of a Strategist

As we look ahead 25 years to when the next tables book might be due, it’s clear the pace of change is only accelerating. We don’t even have to look that far into the future to see the next wave of change. The Pension Schemes Bill is set to fundamentally alter the landscape for DB schemes, demanding an even more strategic approach from actuaries. 

The conversation with trustees is no longer just ‘How do we get to buyout?’. It’s now a multi-faceted strategic discussion: Should we run-on to generate more surplus? Could that surplus be used to enhance member benefits or be returned to the sponsor to invest in their business? Is a superfund a better fit for our risk profile? Answering these questions requires a level of strategic modelling and advisory skill that goes far beyond the old world of pure calculation. 

This new strategic complexity is where the future of our profession lies, and it will be powered by technology. What will the “2050 tables book” look like? It won’t be a book at all. I believe it will be a set of professionally endorsed APIs that feed live data on systemic risks (like climate change or longevity volatility) directly into platforms. The actuary’s job won’t be to look up a factor, but to interpret the output and apply their professional judgment to the scheme’s specific circumstances.    

Artificial Intelligence and Machine Learning will handle the next layer of work. They won’t just automate calculations; they will perform complex data analysis, enhance assumption setting, and run predictive models.    

Actuary 3.0 will be a true strategist. Data science literacy and AI ethics will be non-negotiable skills. Most importantly, Actuary 3.0 will need the ability to communicate the output of these incredibly complex models into a clear strategic narrative for clients.

Get in touch 

Mantle relative to many legacy platforms can transform the experience for The orange book on my shelf stands for mastery of calculation. Its retirement signals our shift toward mastery of strategy, communication and judgement.    

If you would like to talk about freeing your team from number-crunching and shifting the focus to strategy, get in touch. Contact us at enquiries@mantleservices.com or visit our website www.mantleservices.com for further information on our innovative pension software.  


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Pensions Consolidation – Time to consider software as well as schemes?

The UK pensions landscape shows an increasing focus on consolidation, evident in the growth of Master Trusts, a vibrant buy-out market and the need for efficient run-on solutions. But as schemes and members consolidate, what about the often-fragmented software infrastructure that supports the administration and actuarial operations?

Brought to you by Mantle and The Actuary Magazine, this webinar explores the theme of consolidation in respect of the pension’s technology landscape. Watch the on-demand webinar as we discuss the drivers for change, how fragmented tech stacks can mirror the inefficiencies and risks that drive scheme consolidation, and what considerations you need to take to address these issues before it is too late.

Key speakers include Mantle’s Actuarial Product Owner, Gavin Watts and Mantle’s Actuarial Solutions Lead, Matthew Leathem.

Location:
On-Demand Webinar

Why attend?

Explore a new dimension of pensions consolidation

Hear directly from our actuarial experts

Learn how rethinking your approach to technology can drive efficiency, enhance client service, and better position you for the future.

Meet the speakers

Gavin Watts
Gavin Watts Engineering / Development / Product
With FIA CERA credentials and a passion for transformative problem-solving, Gavin brings nearly two decades of actuarial expertise that bridges cutting-edge technology with strategic insight. As Mantle’s new Product Owner,…
Matthew Leathem
Matthew Leathem Operations
Matthew is a Fellow of the Institute and Faculty of Actuaries and leads our actuarial team. Matthew brings a wealth of expertise and experience to the team, with a background…

Technology: The hidden theme of the Enrolled Actuaries Conference

Technology: The hidden theme of the Enrolled Actuaries Conference  

Mantle recently sponsored and exhibited virtually at the CCA’s Enrolled Actuaries Conference. Mantle’s Actuarial Solutions Lead, Matthew Leathem explores how the hidden theme of technology is shaping the future of pensions and empowering actuarial professionals to meet today’s complex challenges head-on. 

If you were (virtually) at the 2025 Enrolled Actuaries Conference, you’ll know the agenda was packed. We dived into the usual complexities: regulatory changes, economic forecasts, and the demographic shifts reshaping our world. All essential stuff. But like many conferences, it wasn’t just what was explicitly on the agenda that caught our attention. There was an underlying theme beneath the main discussions. This was the ever-growing role of technology in everything we do in pensions. 

Even the fact we were all tuning in online says something. Looking deeper, however, many sessions touched on how tech is helping us tackle the big challenges. Take the discussions around “megatrends,” things like aging populations and tricky economic outlooks. How do plans even begin to navigate this? A big part of the answer lies in better risk analysis. Good technology platforms are now giving actuaries and plan sponsors the tools to really model different scenarios and stress-test their plans. This isn’t just number-crunching; it’s about getting clearer insights for better decisions. 

This power also feeds directly into smarter plan design. We heard about initiatives like corporate pension revitalisation, aiming for new and more robust retirement solutions. Technology is what allows us to design, model, and then actually administer these more innovative or tailored plans without everything grinding to a halt. 


Day-to-day efficiency with pension management software 

Then there’s the day-to-day. Everyone’s looking for greater efficiency and solid value for money. Modern pension management software is a game-changer here. It helps streamline so many actuarial and admin tasks, automating routine work and making sure data is exactly right. This isn’t just about saving a bit of cash. It frees up skilled people to focus on the stuff that really needs their brainpower. And a really important point is that this kind of tech makes top-notch tools and administration more accessible for everyone, including smaller plans and sponsors. It’s helping to level the playing field. We even see areas like AI starting to offer a helping hand in sifting through information to find useful patterns. 

Enhancing member engagement through digital tools 

And what about the participants? At the end of the day, it’s all for them. Technology is making a massive difference in how members see engage and understand their own benefits. Think clear online portals, tools that let them see projections, and just better, more straightforward digital communication. This member-first approach, supported by intuitive pension software, It all helps people individuals get to grips with their pension and appreciate why it’s valuable.  

Here at Mantle, this is what we’re all about. We build the kind of tech that helps pension plans get these things right: robust risk management, support for innovative plans, efficient administration, and clear member engagement. It was our second year at the Enrolled Actuaries Conference, and both times it’s given us plenty to think about. This year really hammered home how technology, even when it’s not the headline act, is quietly powering the way forward for pensions. 

The world of pensions is complex, but it’s good to know we’ve got increasingly smart technology in our corner. If you’d like to find out more about how Mantle’s pension software solutions can help streamline your operations, support innovative planning, and drive better outcomes, get in touch with us today. Email us at enquiries@mantleservices.com  


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How Mantle supports both Actuaries and Administrators

Mantle’s Matthew Leathem provides an overview of how Mantle’s integrated pension administration and actuarial software supports both Actuaries and Administrators.