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Position a white rectangle (like the example below) behind a customer or partner logo if it requires a lighter background. Interim Results 6 months ended 30th September 2025 Brendan Mooney (CEO) Richard McCann (CFO) 10 November 2025
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This document contains statements about Kainos Group plc that are or may be forward-looking statements. Forward-looking statements include statements relating to (i) future capital expenditures, expenses, revenues, earnings, synergies, economic performance, indebtedness, financial condition, dividend policy, losses and future prospects; (ii) business and management strategies and the expansion and growth of Kainos Group plc’s operations; and (iii) the effects of government regulation on business. These forward-looking statements are not guarantees of future performance. They have not been reviewed by the auditors or advisers of Kainos Group plc. They involve known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements to be materially different from any results, performance or achievements expressed or implied by such statements. They are based on numerous assumptions regarding the present and future business strategies and the future operating environment. All subsequent oral or written forward-looking statements attributable to Kainos Group plc or any of its shareholders or any persons acting on its behalf are expressly qualified in their entirety by this cautionary statement. All forward-looking statements included in this document speak only as of the date they were made and are based on information then available to Kainos Group plc. Investors should not place undue reliance on such forward-looking statements, and Kainos Group plc does not undertake any obligation to update publicly or revise any forward-looking statements. No representation or warranty, express or implied, is given regarding the accuracy of the information or opinions contained in this document and no liability is accepted by Kainos Group plc or any of its directors, members, officers, employees, agents or advisers for any such information or opinions. This information is being supplied to you for information purposes only and not for any other purpose. This document and the information contained in it does not constitute or form any part of an offer of, or invitation or inducement to apply for, securities. The distribution of this document in jurisdictions other than the United Kingdom may be restricted by law and persons into whose possession this document comes should inform themselves about and observe any such restrictions. Any failure to comply with these restrictions may constitute a violation of laws of any such other jurisdiction. © Kainos Group plc 2025. All rights reserved. Safe harbour statement 2
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1. Business Overview 2. Financial Performance 3. Divisional Performance 4. Looking Ahead 5. Q&A Contents For more information visit kainos.com/investor -relations 3
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Business Overview
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£49m £71m £106m £112m £99m£24m £32m £45m £57m £71m Business Overview We have excellent positions in long-term, growing markets The full lifecycle development and support of customised digital services for public sector, healthcare and commercial customers internationally Our transformative solutions encompass a range of services including AI and Cloud to deliver solutions that are secure, accessible and cost-effective Digital Services £162m £200m £224m £213m £197m Workday Services We are one of Workday’s most respected services partners, approved to deploy their Finance, HR and Planning products to our clients in Europe and North America We are experienced in complex deployment and integrations and trusted by our customers to launch, test and extend their Workday systems Workday Products We develop software products that are complementary to Workday’s comprehensive SaaS platform and part of the Built on Workday programme Our five products, Employee Document Management, Pay Transparency, Smart Test, Smart Audit and Smart Shield, are used to safeguard and extend the capabilities of Workday systems for 600+ global customers FY21 FY22 FY23 FY24 FY25 CAGR 5% FY21 FY22 FY23 FY24 FY25 CAGR 19% FY21 FY22 FY23 FY24 FY25 CAGR 31% 5 Charts depict actual revenue over the five years, FY21 to FY25, and CAGR is calculated over the same time period MARKET £3.3b MARKET £1.4b MARKET £1.7b
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Expertise at a Global Scale 6
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Digital Services +6% H1 FY26: £104m H1 FY25: £97m Workday Services +4% H1 FY26: £53m H1 FY25: £52m Workday Products +14% H1 FY26: £39m H1 FY25: £34m H1 2026 Highlights Adjusted Profit(2) -16% H1 FY26: £32m H1 FY25: £38m Backlog +12% H1 FY26: £397m H1 FY25: £354m Bookings +27% H1 FY26: £228m H1 FY25: £180m Cash Returned £58m From 11 November 2024 to 7 November 2025 Dividend +5% H1 FY26: 9.8p per share H1 FY25: 9.3p per share ARR(3) +19% H1 FY26: £78m H1 FY25: £65m • H1 sales represents strongest ever six-month result • Digital Services +13% • Workday Services +35% • Workday Products +57% • Launch of our fifth product, Pay Transparency in Q3 • Maintaining profit guidance while absorbing short -term growth-related costs Revenue growth in all divisions driven by strong sales execution; momentum to continue in H2 2026 7 +7% H1 FY26: £196m H1 FY25: £183m (1) In constant currency, total revenue growth is +9%; by division: Digital Services +7%, Workday Services +6% and Workday Products +19% (2) In constant currency, adjusted profit reduction is -12%. (3) In constant currency, ARR growth is 19% Revenue(1)
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Private sector customers represent 51% of revenue, public sector 33% and health sector customers 16% Our diversified base of 1,150+ customers has resulted in a well- balanced business 8 Balanced sector coverage International customers generated £85m, representing 43% of total revenue North America grew 19%, revenues grew 3% in the UK, while Central Europe(2) was 6% lower Our Customers Excellent client satisfaction, diverse clients and growing international base Our excellent customer satisfaction (NPS score of 70(1)) creates long-term relationships - existing customers generating 85% of revenue New client acquisition creates future multi-year revenue opportunities High customer satisfaction Strong global footprint (1) Net Promoter Score (NPS). Bain & Co, the creators of the metric, defined that a score above 0 is good; 20+ is favourable ; 50+ is excellent and 80+ is world class (2) Central Europe includes revenue for Rest of World (c.£2m/year); it excludes revenues generated in Ireland Existing Customers 85% New Customers 15% Private Sector 51%Public Sector 33% Health Sector 16% UK & Ireland 58% North America 34% Central Europe 8%
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92%3,132 18 Global Locations Engagement #14 employee approval rating People Employee Retention 9 78%3,132 2,865 2,995 2,990 2,692 H126 FY25 FY24 FY23 FY22 +3% +45% -1% 592 417 1,998UK & Ireland Americas Central Europe Asia 125 +23% Peakon Employee engagement score 75% World Heart Day, improving our CPR knowledge, Buenos AiresOver 200 Days of Volunteering, Indianapolis Early Careers Familiarisation Day, Belfast Our People We are building an exceptionally talented and engaged workforce (1) Our H126 people figures include 120 colleagues from Davis Pier, who joined Kainos in September 2025 (2) The percentages represent the change in staff numbers from the end of FY25 (1) (2)
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Our Responsibilities Being responsible towards our people, customers, communities and planet Reduced inequalities Championing diversity, equity and inclusion for all Continued progress towards our FY26 science-based targets, focusing on green energy and internal reductions Our new HQ is designed for BREEAM Outstanding, the highest sustainability standard, setting benchmarks in energy efficiency, water conservation and low-carbon performance Climate Action Reducing our climate impact Quality Education Empowering futures through education and skills Improved gender balance with women representing 37% of colleagues (H1 25: 36%) Recognised as a Disability Confident Leader, the UK’s highest level, placing Kainos in the top 3% of employers and reinforcing our commitment to inclusion Our award-winning Earn as Your Learn (EAYL) programme has supported 120 young people since 2013, combining work with a fully funded degree: 95% graduate with First Class Honours This year, we engaged with 800+ young people through our outreach initiatives … Samuel Bhuiyan, one of our talented EAYL colleagues 10(1) BCS diversity report 2024: Women in IT – only 21% of IT Specialists in the UK are women ( report link ) Kainos and Microsoft hosted the third in a series of ‘Power Women’ events UEC NHS England - Volunteering at TCV Tree Nursery
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Financial Performance
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Group Income Statement Income Statement £m H1 26 H1 25 Change Revenue 196.1 183.1 +7% Gross profit 94.2 92.0 +2% Direct expenses (50.5) (44.4) +14% Contribution 43.6 47.7 -8% Central overheads (inc. depn., finance income/expense) (11.6) (9.5) +22% Adjusted pre-tax profit 32.0 38.2 -16% Adjusted pre-tax profit margin 16% 21% -5% Adjusting items (SBP, acquisition costs) (3.7) (3.9) -5% Profit before tax 28.4 34.2 -17% Taxation (7.8) (8.8) -11% Profit after tax 20.6 25.4 -19% Digital Services: • Americas revenue disclosed separately for first time • Public sector revenue down 3% on H1 25 • Healthcare revenue up 33% • Americas revenue up 152% (negligible Davis Pier impact) • Commercial sector revenue down 33% • Gross margin decreased to 35.8% (H1 25: 38.4%) • Impacted by use of partners and contractors • Direct expenses increased 22% • 16% due to increased bonus costs Workday Services: • Revenue increase 4% (ccy 6%) • Approximately 2% of revenue growth due to transfer of EDM services • Gross margin reduced to 49.8% (H1 25: 54.0%) • EDM services transferred from Products reduced margins by 1.9% • Rate pressure • Direct expenses increased 1% Workday Products: • Strong revenue growth of 14% (19% ccy) • Gross margin remained stable at 77.7% (H1 25 :78.4%) • EDM services transferred to Workday Services increased margins by 3.2% • Direct expensesincreased by 23% • Product development expenditure increased 12% to £8.6m • Built on Workday costs increased to £3.8m (H1 25: £1.2m) Central overheads/net finance income: • Central overheads (inc. depreciation) increased 8% • Net finance income decreased 30% due to lower rates achieved and share buyback Effective Tax Rate 27% (H1 25: 26%) • Impact of higher tax rates in US 12
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£m H1 26 H1 25 EBITDA(2) 32.1 37.1 Cash generated by operating activities 15.2 27.9 Cash Conversion 48% 75% Taxation (5.7) (8.8) Capital expenditure (3.0) (1.5) Proceeds from sale of property 0.1 6.2 Acquisitions of subsidiaries (7.7) - Payment of lease liabilities and interest (0.9) (0.9) Share buyback (28.2) - Interest received 2.3 3.2 Amounts placed on treasury deposit (0.1) (10.0) Proceeds from issue of shares 0.0 0.1 Net cash (outflow)/inflow (28.1) 16.2 Balance Sheet and Cashflow Balance Sheet Cashflow (£m) 30 Sep 25 31 Mar 25 Fixed assets and investments 19.3 18.2 Goodwill and Intangible assets 54.1 41.6 Trade receivables and WIP 70.0 54.2 Other assets 20.2 19.5 Cash & treasury deposits 105.5 133.7 Total assets 269.1 267.1 Deferred income (49.8) (46.4) Other liabilities (114.7) (82.7) Shareholders’ funds 104.6 138.0 Balance Sheet: • Fixed assets and investments – Bankmore £2.1m expenditure in period • Goodwill & intangible - £13.7m increase due to Davis Pier acquisition • Future consideration payments will be expensed in P&L • Underlying trade receivables/WIP total 67 days (FY25: 57 days) • Other liabilities- includes FY25 final dividend £22.9m and share buyback liability £9.2m • Significant cash reserves £105.5m and debt free (FY25: £133.7m) Cashflow: • Cash conversion (1) 48% (H1 25: 75%) • Excluding restructuring costs paid in period shows underlying conversion 61% • Increase in working capital days • Share buyback costs £28.2m to 30 Sept 2025 • Davis Pier acquisition £7.7m • Future HQ property - £2.1m in period. • Estimated funding requirements H2 26 - £8m, FY27 £20m 13 (1) Cashflow from Operations (CFFO) divided by adjusted EBITDA (2) EBITDA adjusted for share -based payments and acquisition related expenses
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Capital allocation strategy 14 Growing the business • Organically • Targeted acquisition Maintaining a robust balance sheet • Cash reserves - £105.5m • Debt free Progressive dividend policy Interim dividend 9.8p (H1 25: 9.3p) Returning surplus cash to shareholders • Share buyback: £58m to 7 Nov • Further £30m share buyback approved
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Divisional Performance
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Workday Products Strong ARR growth driven by full product portfolio; Workday ‘Clear Skies’ partner programme increases opportunity scope Growth in all products powers ARR growth Over 600 customers using one or more product Workday relationship deepened with re-sell deal Our Pay Transparency product will be sold exclusively by Workday as Workday Pay Transparency Analyzer (PTA) PTA helps employers meet pay equality legislation Launching November 2025 to help employers meet the EU Pay Transparency Directive deadline, June 2026 Measured investment / +34% to £19m R&D investment increased 12% to £9m (expensed) and sales investment increased 61% to £10m(3) 16 Revenue trend H1 / H2 £39m £34m £27m £21m £14m £37m £31m £24m £18m H126 FY25 FY24 FY23 FY22 £32m £45m £57m £1.7bn Market size CAGR(2) 31% ARR (1) +19% Backlog +27% Revenue +14% H1 FY26: £160m H1 FY25: £127m H1 FY26: £78m H1 FY25: £65m H1 FY26: £39m H1 FY25: £34m (1) In constant currency, H1 26 ARR growth is also 19% (2) Five year CAGR, FY21 to FY25 (3) Includes £2.6m of additional costs associated with the Built on Workday partnership Estimated FY26 addressable global market Smart product suite (£900m) Employee Document Management (£700m) Pay Transparency (£150m) (new) £71m
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17 • Workday identifies opportunities to enhance its platform • Ideas that Workday chooses not to pursue are made available to selected partners like Kainos • Selected partners are empowered to innovate and deliver value in areas of white space – new apps, products and AI agents - to address unmet customer needs • Kainos is one of five partners chosen for Workday’s Agent System of Record (ASOR), highlighting our leadership in this space Clear Skies Opportunities: Products AI Agents Apps Clear Sky / White Space Pure Partner Innovation Selective / Targeted Roadmap Backlog/MVP+ No-Fly Scheduled Roadmap Partner Build Workday Build Now Future Source: Workday
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18 Kainos Smart powers growth and compliance at Genesys Genesys, a global software leader headquartered in Menlo Park, CA, employs over 6,000 people worldwide. In 2023, the company implemented Workday to modernise its HR and operational systems, supporting ambitious growth targets and a future IPO. Genesys adopted the entire suite of Kainos products, automating critical processes across testing, security, data privacy, and HR document management. This transformation enabled Genesys to streamline workflows, reduce manual effort, and enhance compliance. “Automation has given us the confidence to scale quickly and securely. We’ve accelerated updates, strengthened compliance, and reduced risk while preparing for IPO.” Ravindra Sunku | Head of FinTech, Genesys Key results: 20 weeks of testing saved during bi-annual Workday updates Reduced effort Annual testing required 8 fewer FTEs 820+ changes implemented since go-live, accelerating roadmap delivery 80% reduction in risk of data breach through automated data masking Embedded SOX-ready controls proactive security checks praised by auditors
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Workday Services Return to growth driven by strong sales performance with further progress expected in H2 2026 Very strong sales bookings / +35% to £54m Focused execution delivers strong sales performance and first sequential revenue growth since FY23 Regional expansion creates growth opportunity Strong US, Canada and European presence, and now established in Australia with projects in New Zealand and Brazil Workday Products consulting growth opportunity Uniquely positioned to deliver consulting services linked to Employee Document Management and Pay Transparency 19 Backlog +2% H1 FY26: £62m H1 FY25: £61m Bookings +35% H1 FY26: £54m H1 FY25: £40m Revenue(1) +4% H1 FY26: £53m H1 FY25: £52m Revenue trend H1 / H2 £53m £52m £57m £48m £34m £47m £55m £57m £37m H126 FY25 FY24 FY23 FY22 £71m £106m £1.4bn Market size CAGR(2) 19% £112m (1) In constant currency, growth is 6%. (2) Five year CAGR, FY21 to FY25 Estimated FY26 addressable market, EMEA and North America, for Workday consulting (FY25: £1.1bn) £99m
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20 “Kainos helped us understand our business and to clearly scope what we needed. They took our language, translated it into Workday language, and made it make sense to everyone. A good implementation partner like Kainos is critical.” Leonardo Hotels, one of Europe’s fastest-growing hospitality brands with 300+ properties, faced increasing complexity managing HR and payroll across multiple legacy systems. With Kainos, they deployed Workday HCM and Payroll, consolidating 13 systems into one platform. The transformation improved visibility, data accuracy, and employee engagement. In the first month over 311,000 self- service interactions were diverted from their central services team. With Workday and Kainos, Leonardo Hotels now operates a connected, scalable system built for growth. Workday HCM & Payroll Deployment Adrian Bingham|Head of Customer Contact & Data Integration at Leonardo Hotels
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Digital Services Revenue trend H1/H2 £104m £97m £109m £111m £94m £100m £104m £114m £106m H126 FY25 FY24 FY23 FY22 £200m £224m £213m £3.3bn Actual FY25 digital spend in UK public sector and the NHS(4) (FY24: £3.1bn) Market size CAGR(2) 5% Strong sales drives record backlog; further revenue growth forecast in H2 2026 Public sector / -3% to £60m Environment remains challenging, but predictable; significant new contracts set to drive growth in H2 Health sector / +33% to £30m Continued flow of new digital and data contracts across 50+ customers underpinning multi-year growth North America / +139% to £8m(3) Rapid growth in Canada aligned with public service and healthcare modernisation agenda; position strengthened by Davis Pier acquisition Commercial sector / -39% to £6m Focus now on supporting existing customers rather than growth, with plans for a reset in FY27 21 Backlog +5% H1 FY26: £175m H1 FY25: £166m Bookings +13% H1 FY26: £116m H1 FY25: £103m Revenue(1) +6% H1 FY26: £104m H1 FY25: £97m (1) In constant currency, growth is +7%. (2) Five-year CAGR, FY21 to FY25. (3) Revenue growth including Davis Pier is 152%. (4) Composed: Central (£1,871m), Health (£374m), Defence (£828m) and Police (£154m), Education (£36) and excludes Local Govt. TechMarketView estimates . £197m
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22 Powering a Digital Revolution in Passport Services Once limited by legacy systems, His Majesty’s Passport Office joined forces with Kainos to rebuild its foundations. The result: a cloud-native Passport Data Service powering one of the UK Government’s boldest digital transformations. The new platform delivers faster applications, better citizen experiences, and seamless cross- government collaboration - all powered by secure, serverless technology. HMPO can now unlock deeper insights, share trusted data, scale effortlessly, and uphold the highest standards of security. It’s a quiet revolution in UK identity services, transforming one of the nation’s largest data sets into the backbone of world-class digital identity. Watch the full story here: Passport Data Services ‘Kainos played a pivotal role in the success of this project - not just as a delivery partner, but as a driver of innovation. Their expertise, collaborative mindset, and ability to manage high -stakes technical challenges were critical to achieving such an ambitious outcome.’ Philippa Manley| Digital Services Director 1+ billion passport records migrated seamlessly £36M saved annually 50%+ reduction in operational complexity Zero disruption to citizen-facing services
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AI business momentum continues 3 of 41 AI solutions available on the Workday Marketplace Premier Tier Partner 1% globally Microsoft Service Partner of the Year (UK) Data & AI Partner of the Year (Ireland) Open AI Integration Partner Solving customer challenges Track record Preventing travel document fraud, illegal immigration and modern slavery AI chatbot improves citizen access to faster financial support ✓ Significant track record with 300+ AI projects delivered or underway ✓ AI-enabled delivery underpins 65% of projects ✓ Design partner for Workday’s new AI Agent System of Record ✓ Launched first Workday Agent on Workday Marketplace – Help Agent ✓ 7th year of AI Con with over 450 attendees. ✓ Launched Beyond Boundaries podcast showcasing Kainos leadership in AI 23 Driving AI Sales Growth Secured 48 new projects during the past six months Since 2018, we have secured £65m in public sector AI contracts, making us the 4th largest AI supplier to UK government, an improvement of one place on the 2024 report(1) Workday Agentic AI Thought leadership (1) UK Public Sector AI Procurement Tracker, published by market intelligence provider, Tussell, updated on 04 November 2025. ( Report Link )
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Looking Ahead
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Digital Services Drive digital transformation in UK public and health sectors Expand in Canada public and health sectors leveraging Davis Pier expertise and our UK experience Reset plan for UK commercial sector Outlook We have strong positions in growing, diverse, international markets Workday Services Drive core existing markets and expand into international markets Maximise delivery of Employee Document Management and Pay Transparency consulting services Workday Products Continue progress towards £100m and £200m ARR targets Develop Pay Transparency under Workday resell arrangement Increase cadence of new product launches 25
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Appendix: Definition of terms
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Active customer: a customer who has signed a contract with us within the last three months or has generated revenue in the last six months. Adjusted earnings per share (basic and diluted): adjusted profit after tax divided by the weighted average number of ordinary shares outstanding (basic) or weighted average number of ordinary shares outstanding after adjustment for the effects of all dilutive potential ordinary shares (diluted). Adjusted EBITDA : adjusted pre -tax profit excluding interest, tax, depreciation of property, plant and equipment, and right -of-use assets, and amortisation of intangible assets. Adjusted pre -tax profit: profit before tax excluding the effect of share -based payment expense, acquisition -related expenses including amortisation of acquired intangible assets and deferred consideration (including post combination remuneration expense). Adjusted profit margin: adjusted profit as a percentage of revenue for the period. Agentic AI: refers to intelligent systems that can autonomously plan, decide, and act to achieve defined goals, working across multiple steps and systems with minimal human intervention. These agents combine reasoning, learning, and action capabilities to deliver outcomes, not just insights, while operating within clear ethical, governance, and organisational boundaries. Annual Recurring Revenue (ARR): the total of the annualised committed subscription value contracted at the end of the reporting period . Bookings: the total value of sales contracted during the period. Cash conversion: cash generated from operating activities as a percentage of adjusted EBITDA. Constant currency (ccy): excludes the effect of foreign currency exchange rate fluctuations on period -on-period performance by translating the relevant prior period figure at current period average exchange rates. Contracted backlog: the value of contracted revenue that has yet to be recognised. Compound annual growth rate (CAGR): annual growth rate over a specified period of time. Existing customer revenue : total revenue recognised from customers in the current period who were also customers in the preceding year. International revenue: total revenue derived from locations outside of UK and Ireland. Net Promoter Score (NPS): a metric that organisations use to measure customer loyalty toward their brand, product or service, which can range from -100 to +100. Bain & Co, the creators of the metric, held that a score above 0 is good; 20+ is favourable; 50+ is excellent and 80+ is world -class. Organic revenue: our revenues excluding revenue from acquisitions completed in the current and comparative reporting periods. Software as a service (SaaS): a software distribution model that delivers application programmes over the internet, with users typically accessing the programme through a web browser. Users pay an ongoing subscription to use the software rather than purchasing it once and installing it. Science based targets initiative (SBTi): a target for reducing greenhouse gases and CO 2 emissions which is aligned with the global effort to limit global warming to 1.5 OC. Definition of terms 27
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