What Neptune Networks does

Neptune Networks is a London-based financial data infrastructure company that delivers real-time dealer axe and inventory data from 34 global investment banks to institutional buy-side firms for the corporate bond market. Its core platform standardizes and structures pre-trade bond data — covering approximately 110,000 daily bonds and $2.2 trillion in daily gross notional across 33 currencies — and distributes it through multiple channels including FIX and REST APIs, OMS/EMS integrations, a web application with analytics and watchlist functionality, FTP/SSH drop copy, and AWS cloud transfer. The platform's primary value proposition is reducing information leakage and fragmentation in credit markets by enabling targeted counterparty engagement based on actionable liquidity signals.

The company was founded around 2015–2016 and grew with consortium ownership from nine global investment banks. On June 2, 2025, TP ICAP Group PLC acquired Neptune and combined it with Liquidnet's electronic credit trading platform — including AxeMatch and ShieldMatch execution protocols — to form a new Dealer-to-Client credit business. The nine banks (Barclays, BNP Paribas, Citi, Credit Agricole CIB, Deutsche Bank, ING, J.P. Morgan, Morgan Stanley, UBS) hold a collective 30% stake in the new entity. Neptune's data is now marketed as part of the RealQ platform (launched June 2026), which serves over 500 buy-side and sell-side firms across North America and EMEA, addressing the $41 trillion global corporate bond market.

Neptune generates revenue through subscription-based access to its data network, with pricing not publicly disclosed and structured on a quote-based enterprise model typical of institutional B2B data services. The go-to-market is enterprise-focused, relying on direct sales, FIX/API integration workflows, and industry events. Following TP ICAP ownership, the data product is positioned within a broader D2C platform play, with adjacent launches such as Fusion Structured Products (February 2026) extending the electronic credit model into structured products. Leadership includes CEO John Robinson, CTO Gavin Collins, and COO Byron Cooper-Fogarty.

Name

Neptune Networks

Legal name

Neptune Networks

Website

https://neptunefi.com

Company type

Private

Founded year

2015

Operating status

Acquired

Headcount range

11–50 employees

Short description

Neptune Networks provides real-time dealer axe and inventory data for the corporate bond market, standardizing pre-trade data from 34 global banks and distributing it to 500+ institutional buy-side and sell-side firms via API, FIX, OMS/EMS, and web channels; the company was acquired by TP ICAP in June 2025 and now operates as the data layer within the RealQ platform.

Ownership category

akta.pro rank

Product category

Bond Market Data Infrastructure

NAICS

Securities and Commodity Exchanges (5232)

SIC

Security Brokers, Dealers & Flotation Companies (6211)

akta.pro primary industry

Electronic Communication Networks (ECNs) / Crossing Networks (Multi-Asset) (FSAFAEAD)

akta.pro secondary industry

Multi-Asset Alternative Trading Systems (ATS) / Multilateral Trading Facilities (MTF) (FSAFAEAC)

Keywords

• Bond market data
• Dealer axe data
• Fixed income data
• Pre-trade analytics
• Institutional data feeds

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Infrastructure, Personnel, Operations, Marketing or Sales

Revenue model

1. Data Distribution Services: Neptune Networks generates revenue through providing access to its real-time dealer axe and inventory data network. The platform delivers pre-trade bond data from 34 global banks to institutional customers on a subscription or usage basis integrated into their trading workflows.
2. Integrated Platform Revenue: Following TP ICAP's acquisition, Neptune data is combined with Liquidnet's electronic credit trading infrastructure within the RealQ platform. Revenue is generated through the integrated dealer-to-client credit trading and data platform serving institutional credit markets.

Go-to-market motion2 records

Distribution channels5 records

Marketing channels3 records

Core offering

Neptune Networks delivers real-time dealer axes and inventory data from 34 global banks to institutional buy-side and sell-side firms through its web application and FIX/REST API. The platform provides structured, standardized pre-trade bond market data enabling investors to identify actionable liquidity and engage in targeted counterparty interactions. Following acquisition by TP ICAP in June 2025, Neptune operates as the data solutions component within the RealQ platform.

Product overview

Neptune Networks operates as a financial data company within the RealQ platform (a division of TP ICAP/Liquidnet). The company provides a unified product portfolio consisting of the Neptune Web Application for pre-trade bond data access and analytics, and a FIX/REST API for programmatic data integration. Neptune delivers real-time dealer axes and inventory data from 34 global banks, supporting daily average of 110,000 bonds with $2.2 trillion in daily gross notional across 33 currencies.

Differentiator

Problem solved

Functional benefit

Products and services

• Neptune Web Application

Quantifiable outcome

• 110,000 daily average bonds tracked, $2.2T daily gross notional, 320+ AXE/INV items daily

Named customers10 records

Segments3 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Two partnerships are on record, tiered core.

• TP ICAP GroupcoreStrategic or Co-development Partner · 2 June 2025TP ICAP acquired Neptune Networks, an independent financial data company co-owned by a consortium of investment banks. TP ICAP combined Neptune's proprietary data network with Liquidnet's electronic credit trading platform to create a new Dealer-to-Client (D2C) credit business. At launch, nine major global investment banks hold a 30% stake in the new business.
• LiquidnetcoreTechnology or Integration · 2 June 2025TP ICAP combined Neptune Networks' proprietary dealer data network with Liquidnet's electronic credit trading infrastructure to create the RealQ platform. Liquidnet provides institutional connectivity, buy-side workflows, and electronic trading protocols including AxeMatch and ShieldMatch.

Scale indicators8 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Tradeweb Markets: Tradeweb operates institutional electronic marketplaces across rates, credit, money markets, and equities. Its multi-asset credit platform and direct dealer-to-client institutional offering directly overlap with Neptune/RealQ's combined data and execution value proposition.
• BGC Group (Fenics UST and Fenics Credit): BGC's Fenics franchise provides electronic credit, rates, and FX trading with buy-side distribution, overlapping with Neptune/RealQ in institutional credit and competing for similar dealer-to-client flows through electronic protocols.
• MarketAxess: MarketAxess operates the leading electronic trading platform for corporate bonds and other fixed-income instruments, serving institutional buy-side and sell-side participants globally. It is directly comparable to Neptune/RealQ as both compete for institutional credit trading flow and offer pre-trade dealer data (Open Trading, CP+) integrated with execution.

Emerging players

• Trumid: Trumid operates an electronic credit trading platform with optimized protocols and trading analytics, targeting institutional credit desks. It overlaps with Neptune/RealQ's focus on electronic credit execution but is smaller and earlier in scale.
• BondCliQ: BondCliQ provides real-time corporate bond market data and pricing, including dealer axes and inventory information. It is comparable to the Neptune data layer specifically, though it operates as a standalone data provider rather than as part of an execution platform.

Broad incumbents

• Intercontinental Exchange (ICE): ICE operates multiple fixed-income trading venues and data services including ICE Bonds, competing with Neptune/RealQ across credit trading and pre-trade data, with a much broader asset class and global infrastructure footprint.
• CME Group (BrokerTec): CME Group operates BrokerTec, an institutional electronic fixed-income trading platform, alongside broader derivatives markets. It competes with Neptune/RealQ in electronic credit execution and supports institutional pre-trade data via its global infrastructure.
• LSEG (Refinitiv / MTS): LSEG owns Refinitiv, which provides fixed-income data and trading infrastructure, plus MTS, a European wholesale bond trading platform. It competes with Neptune/RealQ across fixed-income data, analytics, and electronic trading.
• Bloomberg L.P. Bloomberg operates the dominant fixed-income data, analytics, and order-routing infrastructure (including Tradebook) embedded across institutional buy-side workflows. Its installed terminal base and EMS integrations represent a structural incumbent advantage versus Neptune/RealQ.

Regional players

• MTS Group (LSEG): MTS operates electronic wholesale European government and corporate bond trading venues with a strong regional franchise. It is comparable to Neptune/RealQ's fixed-income electronic offering but is concentrated in EMEA and weighted toward government bonds.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/neptunefi_ldn

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Neptune Networks