Download the whitepaper
A 16-page, vendor-neutral readiness guide for compliance, operations, data and technology leads. No form required.
Every major reform of Europe's market rules follows the same arc: the legislative text lands first, the technical standards follow, and firms spend the gap between them deciding how literally to read the deadline. MiFID III, together with MiFIR 2, repeats that pattern — but against a far more operational backdrop.
The shift this cycle is practical, not philosophical. MiFID III does not reinvent the obligations firms already understand — transaction reporting, best execution, market transparency, recordkeeping. It tightens them, harmonizes them with global standards, and raises the expectation that the data behind every obligation is accurate, complete, traceable and produced consistently. Compliance is moving from something firms document to something they have to operate.
That is where most readiness programs stall. The regulatory analysis is rarely the hard part; the hard part is turning it into repeatable controls that survive an audit, scale across jurisdictions, and don't depend on a single person remembering to run them. This whitepaper is written for the practitioners who own that translation work.
Why this matters now
Gartner predicted that at least 30% of generative-AI projects would be abandoned after proof of concept by the end of 2025 — most often because of poor data quality, weak risk controls and unclear value. The same failure modes sink compliance-modernization programs. MiFID III readiness is, at its core, a data-quality and governance problem before it is a technology problem.
What's inside
16 pages, 12 sections
- Foreword: from rules to readiness
- A timeline of MiFID: I → II → III
- What MiFID III changes: where it hits your operations
- The compliance & data-management challenge
- Why governed, repeatable compliance matters
- Capability map: systems that align with MiFID III
- The Diletti operating model for readiness
- Build vs. buy: choosing your compliance stack
- The validation question: what to test before go-live
- Market structure & regulatory divergence (EU vs. UK)
- Preparing for MiFID III: a practical checklist
- Looking ahead, plus a glossary of key terms
The three operational domains that change
MiFID III's changes cluster into three areas. For each, the question is the same: can you produce the data to prove it, consistently and on time?
- Transaction reporting & market transparency — global harmonization via the Unique Product Identifier (UPI), better and timelier reference data under the Reasonable Commercial Basis rule, and tighter control of pre-trade waivers and algorithmic order-flow detail.
- Best execution & trading obligations — a ban on Payment for Order Flow (PFOF), enhanced ex-ante and ex-post cost transparency, and venue selection that has to be documented and defensible.
- Market structure — newly regulated Consolidated Tape Providers, a single volume cap replacing the double-volume-cap regime, expanded clearing scope, and clearer obligations for Systematic Internalisers.
The communications-capture gap
Regulators expect complete capture of relevant communications: email, collaboration tools, voice and mobile messaging. Email and chat are usually covered; mobile voice, SMS and messaging apps are the channels most often left uncaptured. A single un-archived WhatsApp thread on a work phone is a reportable gap.
Who it's for
The paper is deliberately vendor-neutral and written for the people who own the translation from rule to control: compliance officers, COOs, heads of operations, and data and technology leads at investment firms, trading venues, asset and fund managers, and the institutions that serve them. Where technology genuinely reduces risk — in data quality, communications capture, surveillance and reporting — it is described in terms of capabilities, not products. Where AI adds value, the paper is specific about the guardrails that make it defensible.
Get the full readiness guide
The complete checklist, capability map, build-vs-buy framework and pre-go-live test list — in one PDF.
Is MiFID III readiness on your roadmap?
We work alongside compliance, operations and technology teams to map data flows, assess controls against the new standard, and stand up the validation loops that keep them defensible. A 30-minute call will help map the priorities.
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This whitepaper synthesizes publicly available regulatory summaries and industry analysis. It is provided for discussion and does not constitute legal advice; confirm all obligations and dates against the final ESMA technical standards and qualified counsel.