We make payments, large and small, every day of our lives. From paying our bills and making payments to friends online, to the large-scale bank transfers that help business flow. Money changes hands through a wider range of channels and platforms than ever before, to the extent the days of cash-in-hand being the default payment model are a fading memory for many of us. The convenience and flexibility can't be disputed, but as with any emerging technology, the new flows of data must be given careful consideration, ensuring businesses and customers alike can rest assured that their money will remain secure throughout every stage of every transaction.
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Having returned from the BSA Conference 2025, it was clear that building societies are navigating a critical juncture - balancing their relationship-led service models while addressing the urgent need to modernise outdated systems and improve operational efficiency. Given the current geopolitical climate, and the increasing pace of innovation, developing a strategy that not only solves immediate challenges, but offers sufficient scope to tackle future issues, can often seem like a moving target.
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As a long-standing technology partner for multiple financial organisations across the UK, the team at Exponential-e have been observing the sector's evolving relationship with technology for some time - both the growing demand for a higher standard of operational resilience, and an increasing awareness of the challenges and opportunities that Cloud transformation presents.
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The Finance sector has always been one of the most dynamic, rapidly evolving industries, and this shows no signs of changing any time soon. But while shifts in the landscape may well open new opportunities, they will also come with new challenges, and it is the organisations who are ready and able to face these head-on who will continue to thrive in the years ahead.
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From day-to-day consumer banking to high-profile asset and wealth management, the way we all access financial services is changing in ways that would have been inconceivable just a few years ago. Online banking is now firmly established, allowing customers to manage their money securely within a few clicks - anytime, anywhere and without the need to visit a branch. A 2022 survey revealed that the quality of the online experience was a key factor in 81% of adults' choice of bank1.
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The finance sector is required to have one of the most sophisticated cyber security postures in the world, with bureaus, banks, finance companies and insurers working closely with their technology partners to ensure sensitive financial data is managed, stored and transferred, with a stringent range of international security standards that must be adhered to at all times. However, cyber criminals have demonstrated repeatedly that they are constantly working to breach even the most sophisticated security ecosystems, devising new ways to exploit both technological vulnerabilities and human error.
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In a heightened cyber threat landscape - where ransomware attacks are increasing in frequency and sophistication - and having weathered the challenges of COVID-19 and the resulting move to hybrid working, the Finance sector is still continually challenged to demonstrate to its customers that critical services will remain available no matter what, and that sensitive financial data will remain fully secure at all times.
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For some years now, Cloud adoption has been steadily on the rise across the UK's Finance sector, with organisations including banks, insurers, and investment firms phasing out increasingly cumbersome legacy systems in favour of more scalable, agile, and cost-effective infrastructure. Indeed, more than 48% of UK banking services are now built on Cloud infrastructure.
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Digital transformation continues to pick up pace across the financial sector. However, in spite of the potential benefits on offer, many insurance firms continue to lag behind their peers in terms of their overall digital maturity.
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When it comes to insurance and financial services, the ability to offer clients peace of mind is the key to ensuring the sector's continued longevity. Cyberattacks are evolving in frequency and sophistication, with criminals selecting progressively more ambitious targets, and even minor IT outages, whether they're caused by human error or 'acts of God', will have a serious effect on firms' operations, negatively affecting both profitability and brand reputation. With this in mind, firms must reconsider the way they approach operational resilience, particularly regarding the way access rights for critical systems and data are managed.
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Maximising performance, scalability, and compliance for a leading innovator in online banking
About Tandem Money
Tandem is 'The Good Green Bank', a fully regulated digital app‐based bank founded on the idea of putting customers' needs first whilst helping them save more than just their money by pushing for a sustainable future. The acquisition of green lender Allium in 2020, an established green homes lender, accelerated Tandem's mission into the green space. Tandem offers savings, mortgages, and loans to help customers green their properties, and eventually their lives.
Challenges
The key driver behind Tandem's ongoing digital transformation was earning a full banking license in 2018 - something that had been a core focus of their infrastructure's evolution. This meant their infrastructure would need to fulfil all legal and compliance obligations around the handling of financial data, and also demonstrate the highest standard of operational resilience.
At the time, Tandem's IT and telephony infrastructure was hosted at various separate data centres, while their banking application was hosted on AWS services, and a separate site set aside for workplace recovery. Although multiple sites were involved here, the whole network depended on the London office, creating a single point of failure.
After a comprehensive evaluation of various suppliers, Tandem engaged with Exponential‐e to ensure these critical elements could be securely interconnected in order to maximise performance and scalability and ensure all requirements for full bank status were achieved. Exponential‐e's deep experience in the financial sector was critical here, providing Tandem with complete confidence that the partnership would provide a positive contribution to their journey.
Solution
The networking solution delivered by Exponential‐e interconnected all Tandem sites via a high-performance WAN - a fully managed low‐latency solution that ensured consistent performance across all sites. This was implemented by a dedicated Exponential‐e account team, who project managed every stage of the deployment to ensure there would be no service disruption and that Tandem's long-term goals remained the primary focus throughout the deployment and beyond.
Critically, this fulfilled all compliance requirements regarding the handling and storage of financial data, while ensuring Tandem's teams would have the right tools at their fingertips at all times. To ensure a disruption free migration process, secure connections were created between Exponential-e's self‐owned network and Tandem's AWS services, allowing for a successful consolidation of the different elements of their infrastructure, and providing IT teams with a higher level of control and visibility.
As the partnership between Tandem and Exponential‐e evolved, a combination of a Virtual Private Network (VPN) and Office 365 was established as the ideal combination of solutions to further optimise Tandem's overall efficiency and enable effortless collaboration between their various teams, regardless of where they were located, with security policies applied automatically and role‐based segregation opening up a wide range of opportunities for remote working.
Throughout 2020, when the COVID‐19 pandemic forced organisations worldwide to rapidly transition to a remote workforce, the inherent flexibility and scalability of Tandem's infrastructure and a robust business continuity plan showed its true worth, as the entire workforce were able to begin working remotely with minimal disruption to day‐to‐day operations, and no compromise in terms of security and compliance. This option had already been utilised on an ad‐hoc basis by Tandem's engineers, but a scenario where it would need to be utilised on a company‐wide basis had been considered and factored into the business continuity plan, with tests taking place to ensure such measures would be viable, should they ever be needed.
In this way, Tandem has demonstrated how the right infrastructure, with the support of the right technology partner, provides organisations in even the most challenging sectors with the agility to pivot in response to unexpected, large‐scale shifts in the digital landscape. Tandem's long‐term digital transformation continues, with plans in place to bring its core banking suite in house and into the Cloud, for a further layer of control and flexibility.
Solution benefits
- High‐performance VPN connectivity across multiple sites, with secure connections to the core banking suite provider.
- Full compliance with all applicable regulations regarding the handling of financial and sensitive data.
- A stress‐free transition to remote working, with zero compromise in the security of users' financial and sensitive data.
- A strong foundation for ongoing Cloud transformation and consolidation.
Reduce complexity, increase speed and reliability
Exponential-e is a trusted technology partner for organisations across the Finance sector, offering innovative solutions that drive security, compliance and optimal performance at all levels.
Find out more in our Finance Brochure.
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A leader in financial strategies embraces Cloud transformation
About Odum Research
Odum Research creates pricing, risk, and execution strategies for a wide range of financial market challenges - particularly around crypto derivatives - drawing on leading-edge technology and the collective experience and expertise of their own financial experts.
Challenges
Keen to embrace the possibilities offered by the Cloud when it came to the development of effective trading strategies, Odum were clear that they would begin their digital transformation journey with a strong knowledge base, working with a technology partner who could provide a rigorous, honest assessment of the current digital landscape, identify the hidden opportunities available, and design and deliver a Cloud infrastructure that would provide Odum's teams with maximum control and visibility over their entire estate, freeing internal IT teams to focus on service quality, while maintaining the highest standards of security and compliance.
Solution
Following a thorough evaluation of Exponential-e's capabilities and experience working with financial organisations and their highly specific cyber security requirements, Odum selected Exponential-e as their new technology partner. This involved a series of in-depth meetings between teams from both companies - including both consultants and technical specialists from Exponential-e - in order to develop a bespoke solution wrap that would not only suit Odum's immediate requirements, but also provide ample scope to scale and evolve in response to future shifts in the digital landscape.
As part of the wider cyber security ecosystem, the decision was made to utilise the Okta platform to manage user authentications and ensure all financial data would be handled in line with all applicable regulations. Exponential-e supported the roll-out of the platform, ensuring it would be properly integrated with the wider infrastructure.
This close cooperation between teams proved crucial to the success of the final deployment, with Exponential-e's consultants working closely with Odum's own IT specialists to ensure the move to the Cloud and rollout of the Okta platform was achieved with zero disruption to day-to-day operations - vital in the fast-moving financial markets - and without compromising security or compliance.
As a result, Odum are now equipped with the technology and expertise to fully embrace the Cloud, utilising cutting-edge technology to drive ever more innovative financial strategies that help maintain their edge in a dynamic, constantly evolving sector.
Solution benefits
- A bespoke solution wrap, designed with future scalability and resilience in mind
- Hands-on support from a dedicated account team throughout the Cloud transformation process
- Personalised training and consultation, to ensure a smooth transition to the new infrastructure
- Full control of user access and authentication via the Okta platform
- Robust cyber security, suitable for the handling of highly sensitive financial data
The support from Exponential-e made all the difference when it came to getting things up and running. We were able to make use of everything more or less straight away, and I was able to sleep a bit more easily knowing our security was all in order.
Jack Concanon, Head of Technology, Odum Research
Reduce complexity, increase speed and reliability
Exponential-e is a trusted technology partner for organisations across the Finance sector, offering innovative solutions that drive security, compliance and optimal performance at all levels.
Find out more in our Finance Brochure.
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Working together to establish a new standard of excellence for IT service desk operations
About BDO
BDO UK provides tax, audit and assurance, advisory, and business outsourcing services to companies across the public and private sectors, with more than 9,500 employees operating out of 18 office locations across the UK.
The Challenge
In order to better support its analysts across the country, the decision was made to execute a full-scale digital transformation of the entire Virtual Contact Centre and Teams Dialling system, building on the existing investment in Microsoft Teams to establish a centralised platform through which end users could make contact via a range of channels, including voice, email, and chatbot. This would ultimately support the phasing out of legacy telephony in favour of more scalable, flexible omnichannel solutions, while providing team leaders with real-time visibility of the entire service desk operation. The quality of BDO's IT service desk improved as an outcome acknowledged by the Service Desk Institute, who awarded it a four-star rating in 2024.
Critical priorities for the project were simplifying the management of Microsoft Teams licences, which needed to be purchased on an individual basis with the incumbent solution, and streamlining and optimising the user journey wherever possible, taking full advantage of the latest innovations in AI-powered automation and analytics.
A rigorous tender process was conducted, with a key priority being the ability to design and deliver a solution within four months, avoiding any operational disruption. At the end of this process, Exponential-e were selected as the sole technology partner for the project, building on an already strong partnership with BDO, and began working closely with their contact centre and back-office teams to determine the ideal specifications for the new platform.
Based on this findings of this assessment process, Exponential-e's Teams Calling as-a-Service platform, integrated with the industry-leading Five9 Intelligent CX suite and the ServiceNow® ITSM solution, was identified as the perfect fit for BDO's requirements, providing users with the Teams functionality they had come to depend on, while also opening the door to a wide range of potential enhancements.
The Solution
The tools Exponential-e have provided have contributed towards the digital transformation journey BDO have been on. Our mutual passion for the user experience has helped us reshape our whole approach to the service desk, and we're very much looking forward to building on these successes in the years ahead.
Lee Trimmer, Head of Service Delivery, BDO
The first phase of the deployment involved managing a seamless transition for all analysts and end users by replicating their existing Teams functionality in the new platform, allowing them to start making use of it straight away. This meant the migration process was completely invisible to the 6,000 employees already using Teams.
With this foundation in place, BDO began working with their dedicated account team to identify potential opportunities for automation, the first of which involved the onboarding process for new joiners, who would automatically receive an email with the details of the Teams dial pad, with no manual intervention required. At the same time, should an end user leave the company, their account would automatically be closed and their number made available again. This pay-as-you-go model immediately resulted in tangible cost savings by ensuring BDO would only ever pay for the licences in active use.
Building on this, the Five9 platform was heavily customised to suit BDO's specific goals for its overall user journey. Key to this was the integration of the platform's chatbot with BDO's own Azure LLM and ServiceNow®, allowing it full access to an evolving knowledge library. This bespoke chatbot (dubbed ELSA!) is now able to automatically direct users to the article most likely to lead to a successful resolution. If it is unable to do so, they are automatically put through to the appropriate analyst.
ELSA's intuitive, conversational interface and broad range of insights meant the initial uptake was high, averaging more than 200 interactions per month, of which around 50% are resolved with no need for human intervention. The chatbot's capabilities have since been extended to run automated routine fixes with BDO's primary audit tool, saving service desk analysts time and offering the users faster resolutions.
As a result of these improvements, BDO have significantly reduced their service desk's dependence on traditional telephony and email, with most end users now preferring the inherent flexibility and ease of the new chat and self-service options, allowing analysts to more efficiently manage their cases.
With the implementation of Five9's workforce engagement tool, BDO are looking to automate further quality control checks to focus directly on problem areas rather than relying on dip sampling calls. Through the application of intelligent analytics, this identifies which interactions team leaders should listen to in order to support their analysts, identify gaps in the user experience, and act on new opportunities for improvement as they emerge. When combined with the technical data collected by ServiceNow®, this will provide BDO with a holistic, real-time view of its entire service desk operation.
The transformation of BDO's service desk was later recognised at the Service Desk Institute's 2025 awards ceremony, where it was named as 'Service Desk of the Year – Large Team'. It is also now eligible to be certified as a five-star service desk, of which there are only four in the world at the time of writing.
BDO have long led the charge for service desk excellence, and the success of this project is testament to that. When people and technology come together in this way, a seamless, interconnected user experience becomes possible across every channel, which I fully expect to become the new standard for service desk operations.
Gareth Hayes, Head of UC & CX Solutions, Exponential-e
Solution Benefits
- A seamless migration process from disparate
legacy technologies, with no disruption to day-to-day operations
- Intelligent automation of routine processes
enhances analysts' efficiency and performance, freeing them to focus on the
most complex cases
- 50% of all interactions resolved without any
need for human intervention, thanks to a bespoke chatbot and evolving knowledge
base
- Automated onboarding and offboarding of employees and sustainable cost savings through pay-as-you-go pricing
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