BMLL Technologies is the leading, independent provider of Level 3 Historical Data and Analytics for the world’s most sophisticated Capital Markets participants.

Level 3 data captures and displays the trading intentions of all market participants. BMLL clients access this deep data to derive predictable insight. Researchers and quants across global financial services are empowered to truly understand how markets behave and predict the future price movements of securities.

BMLL was founded in 2014. BMLL secured $21 million strategic investment in October 2024, led by Optiver, with participation from CTC Venture Capital and existing investors. This followed BMLL's $26 million Series B investment from Nasdaq Ventures, FactSet, IQ Capital’s Growth Fund and Snowflake Ventures in 2022/2023. Prior to that, BMLL raised $36m through Series A and seed funding rounds.

Highest quality data: BMLL prides itself on providing the highest quality historical data commercially available. Built from the highest quality raw data, the BMLL Level 3, 2, 1 Data is harmonised into a consistent, lossless global format, at nanosecond timestamp granularity with market state, trade condition codes and reference data included in each data set resulting in better insights and analytics.

Accelerated speed to market: Due to the high-quality data and pre-built infrastructure, BMLL users spend 100% of their time on value-add activities, not 80% of their time sourcing, cleaning and munging data.

Lower TCO vs. in house build: BMLL’s cloud native data infrastructure, scalable compute and data warehouse are licensed at a fraction of the cost of an in-house build. All data stewardship and infrastructure & compute management is hosted by BMLL further lowering TCO vs. owning and managing in-house infrastructure.

Integrates with existing workflows: The whole BMLL product suite has in-built workflow integration tooling allowing users to seamlessly combine data, analytics and their research outputs into their existing data workflows.

Trusted partner: BMLL works with the leading trading firms in the world, from hedge funds, market makers, investment banks, global exchange groups and academic institutions. BMLL is ISO27k certified, and Vendor of Record for our historical data products.

World class support: Our support is provided by our team of Client Facing Data Scientists who are all former quants/researchers, enabling clients to scale their research.

BMLL Milestones

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2014

Founded in the machine learning laboratories, University of Cambridge

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2015

New Markets: LSEG, BORSA ITALIANA, CME, EURONEXT, TRADEWEB

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2016

Seed Funding

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2017

Launched BMLL Data Lab

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2018

New Markets: Tokyo

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2018

New Markets: US (CBOE, NASDAQ, NYSE)

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2019

Launched BMLL Data Feed

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2019

SIX Partnership

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2019

Lee Hodgkinson, Chairman, joins

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2019

Paul Humphrey, CEO, joins

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2019

Platometrics Launch

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2020

Series A

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2020

Founding Member Sustainable Trading

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2021

New Data: Level 3 Futures

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2022

Financial News Data Provider of the Year

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2022

New Markets: Prague, Budapest, Vienna

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2022

Series B

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2022

FactSet Partnership

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2022

Launched BMLL Vantage

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2023

New Markets: South Africa

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2023

New Markets: Japan, Singapore, Hong Kong, Cboe Europe

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2023

Financial News Data Provider of the Year

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2023

US Launch

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2023

New Brand

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2023

Snowflake Ventures joins Series B Funding Round

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2023

New Markets: Shenzhen, Shanghai, Australia

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2023

ISO 27001

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2023

New Markets: Canada, Brazil, Israel, Poland

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2023

Exegy Partnership

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2024

BMLL Data in Snowflake Marketplace

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2024

CCData Partnership

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2024

New Markets: Turkey

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2024

Added Level 1 and Level 2 Data

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2024

BMLL on Nasdaq Data Link

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2024

BMLL Data Lab on AWS Marketplace

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2024

QuantHouse Partnership

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2024

INQDATA Partnership

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2024

New Markets: India

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2024

Founding Anniversary

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2024

$21m with Optiver as the lead investor

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2024

Options Data

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2025

Pico Partnership

What our clients and partners say

BMLL allowed us to bypass the complex and costly process of obtaining data from exchanges. As a result, we could focus our efforts on conducting research to determine usefulness and relevance of data to our specific needs. Having immediate access to the data eliminated any delays that would have otherwise hindered our research efforts. By removing these barriers, our team could dive straight into analysing the data and extracting results.
Gershie Vann, CEO and Founder, Aleto
Gershie Vann
BMLL has mastered the heavy lifting around the data normalisation process. Second, it's a neutral provider which makes our service even more credible, and it's a cost-efficient service from our perspective. Lastly, and I would say most importantly, BMLL provides excellent quality of support. Our clients can easily navigate fragmented markets. SIX gains immediate insight on the performance of the liquidity providers.
Marc Berthoud, Head of Exchange Data Strategy, SIX
Marc Berthoud
As Europe’s 7th largest exchange, we are constantly looking to enhance the liquidity and execution opportunities for our Members. By using BMLL Level 3 Data and advanced analytics we are now able to engage with our Members to compare their trading dynamics on our exchange versus their peer group and to demonstrate that Aquis offers superior trading outcomes for both passive and aggressive strategies. In addition, we are able to evidence our ability to consistently be present at the ‘European Best Bid and Offer’ (EBBO), regularly ranking in the top 2 across European exchanges.
David Stevens, Chief Revenue Officer, Aquis
David Stevens
We looked at a number of historical data vendors, and soon realised BMLL is in a class of its own. Accessing BMLL data now enables our clients to do strategy back-testing on high-fidelity data and execute using our real-time data. What sets BMLL apart is the way the data is sourced, saved and curated.
David Taylor, CEO, Exegy
David Taylor
Optiver traders, quantitative researchers and developers rely on historical data to shape our pricing strategies, making data science and research a key part of our mission to improve markets. The high quality of BMLL's data, their advanced analytics tools and their best-in-class team have together significantly improved our ability to generate insights that influence our strategies. We believe these benefits can extend beyond our firm and provide substantial value to other market participants as well.
Pat Cooney, Managing Director, Optiver Europe
Pat Cooney
KCx Spark is the first module launched on KCx Omni, our next-generation, event-driven execution platform integrating algo engines, OMS, EMS, TCA analytics, portfolio optimisation, and IOI workflows. The new SOR also leverages advanced quant models and level 3 data from historical market data and analytics provider, BMLL Technologies, with the aim of enhancing algo performance.
Chris McConville, Global Head of Execution Services and Trading, Kepler Cheuvreux
Chris McConville
In 2022, we selected BMLL as a partner. By leveraging BMLL’s order book analytics and advanced insights we better understand market microstructure and optimise our trading strategies. Clients will notice improved routing capabilities in the US and EU.
Bobbie Port, Head of Electronic Distribution, Kepler Cheuvreux (on Kepler Cheuvreux’s win of ‘Best Electronic Equities Trading’ at the European Market’s Choice Awards 2024)
Bobbie Port
Marcos Carreira, PhD Candidate from the Quantitative Regulation chair at École Polytechnique, and I have worked with many different data providers, and the BMLL Data Lab is one of the cleanest historical data products we have seen. It is very easy to use, and the documentation and support are superb. The book reconstruction will be of great help, especially with all the interruptions to continuous trading that we have seen in the market.
Mathieu Rosenbaum, Senior Professor, École Polytechnique
Mathieu Rosenbaum
Berenberg’s Data Science and Algorithmic Engineering teams draw on a multitude of sources, including partnering with BMLL, leveraging their Level 3 data to layer market event datasets with client trade data by linking unique order IDs via matching engine timestamps. Level 3 data draws insight into cancellations, amends, quote submissions, order queue details and unfilled orders. This allows Berenberg’s TIA to deliver a robust A|B testing environment across 5 years of market and trade data to efficiently optimise algorithmic performance.
Jason Rand, Global Head of Electronic Trading and Distribution, Berenberg
Jason Rand
The partnership between Berenberg and BMLL is about democratising access to Europe’s most comprehensive analytics engines and largest data lakes. Overlaying millions of child orders on top of billions of market data points no longer requires an army of quantitative researchers or data engineers. It’s about mapping complex relationships, standardising benchmarks, and giving all market participants, large and small, the chance to produce better outcomes for their clients.
Jason Rand, Global Head of Electronic Trading and Distribution, Berenberg
Jason Rand
Jefferies has teamed up with analytics provider BMLL Technologies and deploys cloud computing capabilities to carry out detailed analysis, allowing the team to understand on a granular level what happens to the order book when they trade passively or aggressively. We’ve been doing that analysis for a very long time, but it’s now at a far greater level of granularity. We can see which orders move when we cross the spread, for example, rather than knowing that some orders move. We can track those and see where they came from. It enables much smarter decisions, and using that within the algo constructions process is a huge priority for our team.
Ben Springett, European Head of Electronic and Program Trading, Jefferies
Ben Springett
By partnering with the best content providers like BMLL, we empower firms to access the best, large scale content without the increasingly unnecessary headache of on-premise storage and costly data movement while enabling them to focus resources on value add initiatives.
Harsha Kapre, Snowflake Ventures
Harsha Kapre