em3services

Built on industry experience

Cleared derivatives
expertise.
Technology built
around your business.

Connect your operations with the Meridian platform and specialist consulting from people who know futures technology from the inside.

DOMAIN KNOWLEDGE. CONNECTED TECHNOLOGY.
Meridian globe and M emblem
Built for the futures lifecycle
For the teams behind the trade

Futures commission merchants / Clearing brokers / Operations & technology leaders

70+

years of combined experience in futures technology and consulting.

Led by practitioners who have built clearing platforms, led derivatives consulting businesses, and worked across brokerage and financial technology organizations.

Meet the managing partners

01 / The Meridian platform

Clarity across
the futures lifecycle.

One integrated operational platform for futures and options. Connect trade processing, positions, balances, valuation, and reporting so your teams can work with a clearer picture.

Arrange a Meridian walkthrough
MERIDIAN / OPERATIONAL WORKSTATIONAccount overview
Meridian Account Overview showing account balances, margin requirements, position valuation, and an open positions table.
01

Trade processing

Capture futures and options-on-futures trades with governed account and instrument information. Review lifecycle records and full cancellations for eligible accepted trades.

  • Futures & options on futures
  • Trade capture & cancellation
  • Lifecycle records
02

Positions & financials

Bring open lots, closeouts, ledger movements, balances, and charges into a connected operational picture, with currency and segregation context preserved.

  • Positions & closeouts
  • Balances & charges
  • Valuation & open trade equity
03

Accounts & visibility

Organize accounts through flexible hierarchies and browser-based views. See account financials and margin utilization alongside the availability of their underlying data.

  • Account administration
  • Flexible hierarchies
  • Margin utilization visibility
04

Reporting & information

Generate current-business-date customer statements in PDF and HTML. Schedule transaction and position reports with formats suited to people and downstream systems.

  • Scheduled reports
  • PDF · HTML · CSV · Excel
  • JSON · XML report outputs

Explore the workflows, data inputs, and integration scope relevant to your firm in a Meridian walkthrough. Report formats vary by report type.

02 / Consulting & custom solutions

Specialist expertise
for the systems your
operation depends on.

Alongside Meridian, em3 offers custom consulting and engineering for cleared derivatives firms. Engagements are shaped around your existing systems, operational priorities, and business requirements.

Available independently of a Meridian purchase.

Discuss your project
01

Strategy & architecture

Cleared derivatives technology strategy, architecture assessments, and platform implementation planning.

02

Custom software & automation

Middle- and back-office applications, trade workflows, reporting, reconciliation, and operational data solutions.

03

Integration & modernization

Exchange, clearing, broker, and third-party integration design; legacy modernization and data migration.

04

Performance & resilience

Processing bottleneck analysis, scalability assessments, and resilience engineering shaped around your operating requirements.

Where we can help

Start with the challenge
in front of you.

Examples of the kinds of problems we can address.

  • Connect fragmented trade and account workflows.
  • Build an integration around an existing operational platform.
  • Replace a manual reporting or reconciliation process.
  • Assess a processing bottleneck and design improvements.

Connected by design

A platform that fits
into your world.

Meridian is organized around business capabilities. Its modular services and event-driven architecture connect operational activity while allowing integrations to be shaped around your systems.

Talk through your architecture

THE OPERATIONAL FLOW

Trade activity Account & reference data
MeridianModular, event-driven processing
Positions
& valuation
Ledger
& balances
Reports
& information

Conceptual architecture

03 / The people behind em3

Experience earned
inside the industry.

Deep futures knowledge. Hands-on engineering. A history of building platforms and consulting businesses. Our managing partners bring those perspectives to every conversation.

Clearing Technology & Architecture

Dave Evans

Managing Partner

35+ years in financial technology

Dave Evans brings more than 35 years of financial technology experience, spanning futures systems development, enterprise architecture, and software business leadership. His career includes futures technology roles at Dean Witter Reynolds and Carr Futures, followed by leadership as CEO of WTD Consulting and consulting work with FFastFill/ION.

As co-founder of React Consulting Services, Dave architected BASIS, its futures clearing platform. Clear Street acquired React and BASIS in 2023, after which he served as Managing Director and continued engineering the real-time clearing system. At em3, he brings that combination of industry knowledge and hands-on engineering to Meridian and custom technology solutions for cleared derivatives firms.

Connect with Dave on LinkedIn
Clearing Services & Consulting

Patrick Mayo

Managing Partner

35+ years in futures systems and consulting

Patrick Mayo brings more than 30 years of experience in futures systems, consulting services, and financial technology leadership. His background includes GMI and SunGard Futures Systems, where his roles included Director of Consulting Services, followed by more than a decade as President of WTD Consulting.

Following WTD’s transition into FFastFill, Patrick served as Managing Director of Consulting Services within FFastFill/ION. He later co-founded React Consulting Services, whose BASIS futures clearing platform was acquired by Clear Street in 2023, and joined Clear Street Technology as Managing Director. At em3, he brings extensive consulting and clearing systems experience to client engagements, helping shape practical solutions around each firm’s operational requirements.

Connect with Patrick on LinkedIn

A shared professional history

Experience building both platforms
and consulting businesses.

Before em3, Dave Evans and Patrick Mayo held leadership roles at WTD Consulting and co-founded React Consulting Services. Their experience spans derivatives post-trade software, consulting delivery, and the development of the BASIS futures clearing platform.

2011

FFastFill announced its agreement to acquire WTD Consulting’s trade and assets.

2023

Clear Street acquired React Consulting Services and its BASIS futures clearing platform.

2024

Clear Street announced futures clearing services following the integration of BASIS.

These milestones reflect the partners’ professional history before em3. Former employers are not presented as em3 clients or endorsers.

Let’s talk

What’s next for
your operation?

Explore Meridian or bring us a specific technology challenge.
Start a conversation with the people who will understand it.

THE MERIDIAN PLATFORM

See how it comes together.

Discuss your workflows, explore platform capabilities, and consider how Meridian could fit your operation.

Talk Meridian with Dave on LinkedIn
CONSULTING & CUSTOM ENGINEERING

Let’s work through your challenge.

Talk about an integration, a modernization initiative, or a process that needs a better solution.

Talk consulting with Patrick on LinkedIn