Discover our latest report Investment Banking Software 2024: Challenges, Trends and Strategies

Build vs buy: why investment banks are choosing to purchase SaaS solutions

Chloe Stevens
Senior Content Manager
June 11, 2024

Leading investment banks are seeking cutting-edge tools to stay ahead of the competition and maximize business performance. Whether it’s leveraging generative AI, document automation or advanced data analytics, demand for such technology is high, bringing a critical question to the forefront: who wins between build vs buy?

While historically investment banks favored developing their technology in-house, a global shift is underway, with more financial institutions choosing to invest in external SaaS solutions.

We spoke with 600+ IT and innovation leaders across the globe to understand software spending habits this year, and found that nearly 60% of them are procuring half or more of their tech stack externally.

So, what’s driving this pivot away from in-house development? What advantages do external investments offer? And which SaaS solutions are capturing the attention of investment banks? This article delves into the reasons behind this significant shift and explores the benefits and options available to today’s investment banks.

Build vs buy: what to consider

In-house software development

Twenty years ago, most leading banks relied on their internal resources to develop technology in-house. This approach came with many benefits: it allowed banks to customize solutions precisely to their specific business needs and maintain complete control over the tools their teams used.

However, the challenges and demands of the industry have evolved; increased regulatory requirements and new technological innovations makes in-house software development challenging. Developing and maintaining internal tools requires substantial time and financial investment to ensure they remain industry-standard and compatible with third-party providers, such as Microsoft 365 or Bloomberg. As noted by Forbes, “Even if a bank is equipped with the right technological expertise to innovate and implement new customer solutions, it can still struggle to get to market quickly — or at least in time to compete before the next trend hits.”

Additionally, ensuring that everyone within the organization is adequately trained on the new tool for high adoption demands extensive internal resources, extending beyond just the IT team. The need for continuous updates, troubleshooting, and support further strains internal capabilities, making the in-house development route increasingly challenging for many investment banks.

UpSlide is lightyears ahead of our previous add-in, with features to increase uniformity and productivity across teams.

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External SaaS investments

Given the challenges that arise with in-house software development, it’s no surprise that there’s a growing industry-wide shift towards investing in SaaS solutions, as it comes with numerous benefits:

  • Access to the most innovative technology: SaaS solutions ensure your team is always equipped with cutting-edge technology, increasing the likelihood of adoption into workflows and resulting in positive outcomes.
  • Expert, trusted advice: SaaS providers often specialize in specific industries, offering a greater understanding of your needs and valuable advice on digital transformation and emerging technologies, specifically in investment banking.
  • Optimized internal resource allocation: By outsourcing software deployment, internal teams can focus on high-value work instead of the complexities of software development, maintenance and ever-changing regulations.

Source: How UniCredit streamlined and digitized daily operations

Geography and company size play a part in the build vs buy debate

Diving into the ‘Investment Banking Software 2024 report’, there are clear geographical differences when it comes to how investment banks approach the build vs buy debate. Australia is leading the shift in software procurement, followed by the US, with the UK trailing behind in SaaS adoption.

Statistic showing the percentage breakdown between how bulge bracket and boutique investment banks approach software procurement.

When examining differences based on company size, bulge bracket firms emerge as the most frequent purchasers, with 61% procuring half or more their tech stack externally, compared to 55% of boutique firms.

What’s the catalyst for this shift towards buying software?

Our research shows that compliance and regulatory requirements is the primary reason for choosing SaaS over in-house development across the globe. In today’s highly regulated landscape, ensuring adherence to industry standards is paramount and can be costly. SaaS providers, with their specialized expertise, can offer robust compliance solutions and provide peace of mind.

Scalability and flexibility are also critical considerations, particularly for leaders in the US and UK. These features are challenging to achieve in-house without significant strain on internal resources. SaaS solutions, by design, offer scalable and flexible options that can adapt to the evolving needs of investment banks.

While investing in external software does involve initial costs, such as setup fees and subscription licenses, investment banks are realizing that, in the long run, the right SaaS solutions will deliver a higher ROI and greater adoption rates. This strategic investment not only enhances technological capabilities but also drives overall business performance and profitability.

What software do investment bankers use?

When examining the types of software investment banks are purchasing, a few clear trends emerge. Document management and automation software top the list, with 41% of respondents indicating they’ve recently switched from build to buy. This shift highlights the growing recognition of the efficiency and effectiveness of external solutions in streamlining document-related processes and enhancing productivity.

Statistic showing the geographical differences between the software investment banks are choosing to purchase.

It’s unsurprising that generative AI (gen AI) isn’t consistently included in the top three software categories to buy over build, as many investment banks and financial services firms, such as Deloitte and JP Morgan, have chosen to develop these solutions in-house. The preference for in-house development in this category is likely due to the unique nature of generative AI, as LLMs need to be trained on specific datasets to produce tailored and unique outputs. This need for customization and data specificity makes in-house development more appealing for investment banks.

What to consider when choosing a software vendor

Regardless of which SaaS solution you invest in, whether it’s document management and automation, generative AI, or cybersecurity, the most critical decision in the purchasing process is selecting the right vendor. Ensuring you choose a vendor that aligns with your needs and objectives is paramount for a successful implementation.

Start by undertaking a robust software selection process, evaluating vendors against a comprehensive set of criteria to ensure the best fit for your organization. Key questions to ask include:

  • Integration: Does the vendor’s solution integrate seamlessly with your existing tech stack?
  • Support: Do they offer effective change management, implementation, and adoption support?
  • ROI metrics: Will they provide clear ROI metrics that you can share back to the wider business and/or relevant stakeholders?

Conducting thorough due diligence early on will lay the foundation for a successful partnership, ensuring that your investment delivers better long-term results and enabling you to remain innovative in an ever-evolving industry.

How Greenhill changed from build to buy and saw ROI

Before UpSlide, Greenhill’s analysts were struggling with inefficient document creation workflows, spending hours searching for compliant content.

To help with that process, they built an internally developed add-in, however, it was becoming difficult to maintain, which is why they chose to seek an external solution.

They recognized UpSlide as “lightyears ahead” of their previous add-in, with features to increase uniformity and productivity across teams.

Now, with UpSlide, their bankers are saving over six hours per month building presentations. This time gained can be put towards more strategic, value-added tasks. 

Key takeaways

If you’ve been weighing up whether to build vs buy software, hopefully, this article has shed some light on how the investment banking industry is approaching it this year.

Overall, we’re witnessing a shift towards buying software like document automation and cyber security; it’s likely due to the sheer internal resources it would take to abide by compliance and regulation requirements, and remain compatible with the latest technological innovations.

However, there are certain categories of software, such as generative AI, where developing in-house might make more sense, due to the nature of how it’s developed, and the need for it to be hyper-tailored to deliver useful output.

Find out how we ensure our clients see ROI, with our best-in-class support and diligent, in-house implementation specialists.

If you want to find out more about SaaS investment trends this year, download the investment banking software 2024 report in full.


  • A recent survey, conducted by UpSlide, of over 600 IT and innovation leaders within investment banks reveals that they’re increasingly investing in external SaaS solutions, such as document automation and advanced data analytics, to stay competitive and enhance business performance, shifting away from the traditional in-house development approach.

  • The decision to invest in SaaS is influenced by the need for cutting-edge technology, expert advice, and optimized resource allocation, ultimately leading to higher ROI and better long-term results.

  • Despite this shift, many banks are still building generative AI solutions in-house, likely due to the nature of this software and how tailored the output needs to be to see true value.

Chloe Stevens
Chloe is a Senior Content and Social Media Manager with five years of experience in the finance and technology industries. She has a keen interest in writing about brand management and the different technologies that can improve the way we work.

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