Quantified Impact
annual savings per AI system deployed
average ROI within the first year
from audit to production deployment
We design, build, and operate custom AI solutions for your business. From knowledge bases to full data platforms: you get results, we handle the tech.
annual savings per AI system deployed
average ROI within the first year
from audit to production deployment
Modular engagements: start small, scale as you see results.
We map your processes, identify AI opportunities, and deliver a prioritized roadmap with ROI estimates.
€1,900
Custom retrieval-augmented generation system on your documents. Internal Q&A, support automation, compliance.
€5,000 - €12,000
End-to-end data pipeline with AI agents: ingestion, transformation, analysis, and automated reporting.
€10,000 - €25,000
Continuous operation, monitoring, optimization, and evolution of your AI systems. Dedicated support.
€800 - €1,900/mo
Our AI Audit and build engagements may qualify for BPIFrance "PrĂŞt Boost IA" and innovation funding programs.
€5,000 - €75,000
Learn more on BPIFrance.fr →Real-world applications we've built and operated for clients.
Employees ask questions, get instant answers from your internal docs, policies, and procedures.
AI handles L1 support tickets, escalates complex cases, and learns from your team's resolutions.
Automated P&L, cash flow, and variance reports generated from your accounting data.
Extract, classify, and summarize data from contracts, invoices, and legal documents at scale.
AI-powered lead scoring, proposal generation, and competitive intelligence for your sales team.
End-to-end workflow automation, from data entry to approval routing to exception handling.
Free 30-min call to understand your needs, constraints, and expected outcomes.
Deep dive into your processes. We deliver a prioritized roadmap with cost and ROI estimates.
We design, develop, and deploy your custom AI system. Iterative sprints with your team.
We monitor, optimize, and evolve your AI systems. You focus on your business.
ROI in days, not months. Zero internal tech dependencies. Ultra-custom models automate the painful tasks so your analysts focus on action.
Results in days; gains on treasury, control and decisions.
Operated for you — no engineering required.
Drivers and playbooks specific to your business.
Replaces days of reconciliations and manual reporting.
More time to decide and interact; less admin.
Rare blend of financial and data engineering expertise to unlock maximum of value for our clients.
Ismaël is a seasoned tech CFO and the Founder of Caast.tech. He helps founders grow and reach profitability while keeping control and clarity.
Over the last decade Ismaël worked across high‑growth fintech and advisory.
He built and led the finance organisation of Fairmoney, a pan‑African/Asian digital bank from Series A (10m€) to Series B (35m€) with an operating stack across France, Nigeria and India, successfully closing and auditing the bank's first IFRS accounts. He joined the startup early as head of finance and employee #8 and contributed to growing the loan portfolio from none to 150m€ while reaching profitability.
Ismaël also advised marketplace and SaaS companies as part‑time CFO and co‑founded four40.work, a knowledge graph AI startup, part of Founders cohort 23' at Station F.
He previously worked in M&A, PE/VC and transaction services: investment banking at Lazard, where he advised Orange on the sale of its Kenyan subsidiary; growth/VC at Quadrille Capital, a €1bn+ AUM tech fund, where he contributed to the unicorn round of BlaBlaCar; and transaction services at Mazars, where he advised on 40+ M&A/fundraising transactions for funds and corporate ventures.
An alumnus of Télécom Paris and EURECOM with a master from HEC Paris, Ismaël brings a rare blend of deep financial expertise and systems/engineering thinking, designing effective finance processes and decision‑grade data pipelines and agents.