AI in Business
AI in action. Real results.
The AI transformation is already underway. These are real examples of how leading global businesses — across every sector — are using AI to cut costs, accelerate growth, and build lasting competitive advantage.
Eight businesses. Transformative results.
Klarna
FinTech / Customer Service
AI assistant handles two-thirds of all customer service chats
In its first month, Klarna's AI assistant handled 2.3 million conversations — the equivalent work of 700 full-time agents. Customer satisfaction scores remained on par with human agents, while resolution time dropped from 11 minutes to under 2 minutes.
2.3M
conversations handled by AI in month one
700
full-time agent equivalents replaced
<2 min
average resolution time, down from 11 minutes
Morgan Stanley
Financial Services
AI-powered assistant gives 16,000 financial advisors instant access to 100,000+ research documents
Morgan Stanley deployed an OpenAI-powered internal assistant that allows advisors to instantly query the firm's entire intellectual capital — eliminating hours of manual research per week and significantly improving the speed and quality of client advice.
16,000+
financial advisors using the AI assistant
100,000+
research documents instantly searchable
Hours
saved per advisor per week on research
Walmart
Retail & Ecommerce
AI-driven supply chain and personalisation delivers billions in efficiency gains
Walmart uses AI across demand forecasting, inventory management, and personalised search — reducing out-of-stock rates by 16%, improving delivery efficiency, and serving personalised recommendations to 240 million weekly customers. The AI-powered supply chain has saved billions in operational costs.
16%
reduction in out-of-stock rates
240M
customers served personalised experiences weekly
$B
in supply chain savings attributed to AI optimisation
Duolingo
Education & Technology
AI-powered features drive 40% increase in active learners
Duolingo Max — powered by GPT-4 — introduced role-play conversations and personalised explanations at scale, enabling learning experiences previously only possible with a human tutor. Monthly active users grew 47% year-over-year following the AI launch.
47%
year-on-year growth in monthly active users post-AI launch
GPT-4
powering personalised role-play and explanation features
500M+
learners served across 40 languages
Coca-Cola
FMCG / Marketing
Generative AI accelerates creative production and personalisation at global scale
Coca-Cola partnered with Bain and OpenAI to build AI-powered marketing tools that generate personalised creative assets, accelerate campaign production, and analyse consumer sentiment in real time. The platform reduced creative production timelines by over 50% and enabled hyper-personalised campaigns at a scale previously impossible.
>50%
reduction in creative production timelines
Global
AI-personalised campaigns across 200+ markets
Real-time
consumer sentiment analysis at brand scale
Goldman Sachs
Financial Services
AI coding assistant generates code equivalent to 1,000 developers annually
Goldman Sachs deployed an internal AI coding tool used by 10,000+ engineers. The tool generates code, writes tests, and assists with debugging — with an estimated productivity uplift equivalent to adding 1,000 developers to the firm each year, without increasing headcount.
10,000+
engineers using the internal AI coding assistant
1,000
developer-equivalent productivity gain per year
40%
of new code at Goldman now AI-assisted
IBM
Enterprise Technology
AI and automation saves 3.9 million workforce hours in a single year
IBM deployed AI across HR, finance, legal, and IT operations — automating repetitive tasks and augmenting knowledge workers. In 2024 alone, this saved 3.9 million workforce hours, contributing to a projected $4.5 billion in productivity savings by end of 2025.
3.9M
workforce hours saved in 2024
$4.5B
projected productivity savings by end of 2025
50+
internal AI use cases deployed across business functions
Microsoft
Technology / Productivity
Copilot users complete tasks 29% faster and save 9 hours per month
Microsoft's own internal and external research on Microsoft 365 Copilot found that 70% of users reported being more productive, with an average task completion speed increase of 29%. SMB customers deploying Copilot saw up to 353% ROI according to a Forrester Total Economic Impact study.
70%
of Copilot users report being more productive
29%
faster task completion on average
353%
ROI for SMBs per Forrester Total Economic Impact study
The numbers behind the transformation.
92%
of companies plan to increase AI investment over the next three years
McKinsey, 2025
15.8%
average revenue increase reported by businesses using AI
Gartner, 2024
22.6%
average productivity improvement from AI adoption
Gartner, 2024
83%
of sales teams using AI saw revenue growth last year
Salesforce State of Sales, 2024
7%
projected increase in global GDP from widespread AI adoption
Goldman Sachs, 2023
60–70%
of time-consuming employee tasks can be automated by current AI tools
McKinsey Global Institute, 2023
56%
wage premium for workers with high AI exposure
PwC, 2025
85%
of CEOs expect positive ROI from scaled AI investments by 2027
IBM CEO Study, 2025
Sources: McKinsey Global Institute (2023, 2025) · Goldman Sachs Research (2023) · Gartner (2024) · PwC Global AI Jobs Barometer (2025) · Salesforce State of Sales (2024) · IBM CEO Study (2025) · Stanford HAI AI Index (2025) · World Economic Forum Future of Jobs (2025)
The gap between early movers and everyone else is widening.
Klarna, Goldman Sachs, Walmart, and Microsoft didn’t get these results by accident. They had a clear strategy, the right partners, and the organisational willingness to move. The technology itself was the easy part.
That’s the work Lumii does — helping ambitious businesses cut through the noise, identify the right use cases, and implement AI with purpose. Not for the sake of it. For the results.
Start the Conversation“AI is the greatest unlock of our era — but only when used with purpose. We help you identify where AI genuinely accelerates your business, and build the capability to use it well.”
Agata Adamczak
Founder, Lumii Advisory
Let's find your light.
Whether you're at the start of your digital transformation or deep into it — a single conversation with Lumii can change the trajectory.
Book a Discovery Call