Turn this list into pipeline.
Infrastructure PE Companies in the UK: 100+ Active Firms (2026)
Infrastructure private equity companies in the UK invest in and manage capital-intensive assets across sectors such as energy, transport and digital networks.
Buying centres tend to sit around investment committees, asset management teams and portfolio governance functions rather than conventional procurement desks. These firms work with long-duration infrastructure mandates, where origination, financing, financial modelling and investor reporting matter as much as operating control. Customer exposure is mostly business-to-business: private capital providers, asset sellers, co-investors and operating counterparties, with end demand often tied to regulated or contracted services. Engagements are therefore not short consulting projects; they tend to involve acquisition processes, ongoing asset stewardship and recurring portfolio reporting across energy, transport, utilities, telecommunications, social infrastructure and environmental services.
Read more
The UK cohort is relatively compact, with 185 actively trading infrastructure private equity companies. Reported employment totals 464 people, which fits a market made up largely of specialist manager, platform and asset-operator entities rather than labour-intensive service providers. Scale is therefore likely to sit in mandates, balance-sheet exposure, portfolio income and governance processes, rather than in headcount alone. For researchers, the group is better read as a capital deployment and asset-control segment than as a broad professional-services population.
Regulatory exposure usually enters through the underlying asset rather than the infrastructure private equity label itself. Energy, transport, utilities, telecommunications, social infrastructure and environmental services each carry their own licensing, concession, pricing or public-contracting considerations, so diligence tends to focus on cash-flow durability, counterparty quality and change-of-control permissions. Manager-level activity also depends on investor reporting, conflicts management and governance controls. That makes the sector structurally different from generalist private equity: the asset base often constrains exit timing, leverage capacity and operational intervention.
The market appears likely to remain specialist and relationship-led. Regulated and contracted assets favour managers that can combine capital raising with technical asset oversight, while smaller platforms may find it harder to evidence operating depth to capital providers. Portfolio reporting and governance discipline should keep moving closer to the centre of the operating model, particularly where assets face scrutiny over pricing, service quality or environmental performance. Consolidation is plausible where specialist platforms lack distribution, but broad-based expansion looks less likely than selective scaling around proven asset categories.
185
Active firms
2026
10
Above £5M
reported revenue
23
Newer firms
incorporated since 2022
Key facts
About 5% of the trading cohort reports turnover above £5M (10 of 185 firms) — the rest sits below that revenue band.
12% of the cohort was incorporated since 2022 (23 firms), so a sizeable share is in its first few filing cycles.
Infrastructure private equity focuses on capital-intensive assets across energy, transport and digital networks.
Ownership structure, investment horizon and operational control tend to shape returns as much as deal origination.
The segment spans investment vehicles and more operationally staffed groups, so company accounts are not always directly comparable.
Top UK infrastructure PE companies
Provides infrastructure investment management, raising and managing funds that invest in energy, transport, digital communications, utilities and social infrastructure projects, and overseeing…
Serves institutional investors and clients seeking infrastructure investment exposure, including those allocating capital to energy, digital, social, transport and utilities assets across core and…
Location
Dalmore Capital
Manages infrastructure investment funds focused on public‑private partnership and regulated assets. Invests in and manages portfolios of transport, energy, and social infrastructure projects,…
Serves UK-domiciled professional and institutional investors eligible for unregulated collective investment scheme promotions, including entities and experienced investors; not retail consumers or US…
Location
Manages long-term investments in public‑private infrastructure projects. Raises capital from institutional investors and pension funds and oversees a portfolio of projects across sectors including…
Serves UK institutional investors and local authority pension funds seeking exposure to public-private infrastructure projects across health, education, transport and defence accommodation.
Location
Dalmore Capital
Manages investment funds focused on infrastructure assets, particularly public‑private partnership (PPP/PFI) projects. Raises capital from institutional investors and acquires and manages equity…
Targets UK-domiciled professional and institutional investors eligible under financial promotion exemptions, including entities with experience in unregulated investment schemes.
Location
Dalmore Capital
Manages infrastructure investment funds, raising capital from institutional investors and investing in public‑private partnership and infrastructure projects. Provides asset management for portfolio…
Serves professional and institutional investors, primarily UK-domiciled entities and individuals with relevant investment experience who qualify under financial promotion exemptions, rather than…
Location
Amber Infrastructure
Provides infrastructure investment management, including investment origination, fund management and asset management. Invests in and manages projects across sectors such as energy, transport and…
Serves institutional investors, public-sector bodies and private-sector organisations involved in infrastructure, including social, energy, transport and logistics, and digital assets.
Location
Manages and invests in long-term public‑private infrastructure projects. Raises capital from institutional investors and oversees a portfolio of assets across sectors including healthcare, education…
Serves UK institutional investors and local authority pension funds seeking exposure to long-term public-private infrastructure projects across health, education, transport and defence accommodation.
Location
Manages long-term investments in public‑private infrastructure projects. Raises capital from institutional investors and invests in sectors including healthcare facilities, education buildings,…
Serves institutional investors and local authority pension funds seeking exposure to UK public-private infrastructure projects across health, education, transport and defence accommodation.
Location
Provides infrastructure investment management, raising and deploying capital into assets such as renewable energy, communications networks, transport, utilities and social infrastructure, and…
Serves institutional and professional investors seeking long-term exposure to infrastructure assets across energy, digital, social, transport and utilities sectors internationally.
Location
Manages long‑term investments in public‑private infrastructure projects and investment funds for institutional investors, with a portfolio spanning healthcare facilities, schools, transport…
Serves institutional investors and local authority pension funds seeking exposure to UK public-private infrastructure projects in health, education, transport and defence accommodation.
Location
Manages investments in public‑private partnership infrastructure projects, including assets in healthcare, education, transport, and defence accommodation. Facilitates institutional investment in…
Serves institutional investors, particularly UK pension funds and local authority pension schemes, seeking exposure to long-term public-private infrastructure projects in health, education, transport…
Location
InfraRed Capital Partners
Provides infrastructure investment management, investing equity in energy, digital communications, social, transport and utility assets. Develops, finances and manages infrastructure projects and…
Serves institutional investors and clients seeking infrastructure exposure, including those allocating capital to energy, digital, social, transport and utilities assets across complementary risk…
Location
Manages long-term investments in public–private infrastructure projects, including health facilities, schools, transport assets and defence accommodation. Raises and manages funds from institutional…
Serves institutional investors, including UK institutions and local authority pension funds, seeking exposure to public-private infrastructure projects in sectors such as health, education, transport…
Location
InfraRed Capital Partners
Acts as a general partner within an infrastructure investment management group, participating in the management of funds that invest in and manage infrastructure assets including energy, transport,…
Serves institutional investors and other clients seeking long-term infrastructure investment exposure across energy transition, digital communications, social, transport and utilities assets.
Location
Amber Infrastructure Group
Provides infrastructure investment management, including sourcing, financing and managing infrastructure assets and funds. Invests across sectors such as energy, transport, digital and social…
Serves institutional investors, public-sector bodies and private-sector partners seeking long-term infrastructure exposure across social, energy, transport, logistics and digital sectors.
Location
InfraRed Capital Partners
Provides infrastructure investment and asset management services, raising and managing funds that invest in energy, communications, transport, utilities and social infrastructure projects, including…
Serves institutional investors and other capital allocators seeking infrastructure investment exposure across energy, digital communications, social, transport and utilities assets.
Location
Manages long‑term investments in public‑private infrastructure projects. Raises and deploys capital from institutional investors and pension funds, and oversees a portfolio of infrastructure assets…
Serves UK institutional investors and local authority pension funds seeking exposure to public-private infrastructure projects across health, education, transport and defence accommodation.
Location
Amber Infrastructure Group
Provides infrastructure investment and asset management services, sourcing, financing and managing infrastructure projects and funds across sectors such as energy, transport, digital and social…
Serves institutional investors, public-sector bodies and private-sector counterparties involved in long-term infrastructure across social, energy, transport, logistics and digital sectors.
Location
Manages long‑term investments in public‑private infrastructure projects. Raises and manages funds from institutional investors and pension funds, with a portfolio spanning sectors such as healthcare,…
Serves institutional investors, including UK pension funds and local authority pension schemes, seeking exposure to long-term public-private infrastructure projects in health, education, transport…
Location
DAIWA INTERNATIONAL CAPITAL PARTNERS LTD
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides fund management services focused on infrastructure investments, identifying and managing opportunities in sectors such as waste recycling and environmental services. Evaluates, acquires, and…
Targets UK-domiciled professional and institutional investors eligible to participate in unregulated collective investment schemes, particularly those interested in infrastructure assets.
Financial Health
StrongStrong · Growing · 0% CAGR over 1y
Location
Invests in and manages infrastructure assets and projects, including transport systems, energy and utility networks, telecommunications, and social infrastructure. Focuses on greenfield and…
Serves public sector bodies and highly rated private-sector organisations seeking infrastructure partners, particularly in transport, energy, utilities, telecoms and social infrastructure.
Location
Manages infrastructure investment funds for institutional investors. Acquires and manages stakes in mid‑market infrastructure companies across sectors such as energy, utilities and transport, and…
Serves institutional investors around the world seeking exposure to critical infrastructure funds, and engages management teams of portfolio infrastructure companies in sectors such as energy,…
Location
Dalmore Capital
Manages investment funds focused on infrastructure assets, particularly public‑private partnership and private finance initiative projects. Activities include raising and managing capital and holding…
Targets UK-domiciled professional and eligible investors, including entities with experience in unregulated investment schemes, plus lawful overseas professional investors, excluding US residents.
Location
InfraRed Capital Partners
Provides infrastructure investment and asset management services, investing institutional capital in sectors including renewable energy, utilities, transport, digital communications, and social…
Serves institutional and professional investors seeking long-term infrastructure investment strategies across energy transition, digital communications, social, transport and utilities assets.
Location
Provides infrastructure investment management focused on long‑term public‑private partnership projects across sectors including healthcare, education, transport and defence accommodation, and raises…
Serves institutional investors and local authority pension funds seeking access to UK public-private infrastructure projects, including health, education, transport and defence accommodation assets.
Location
Manages long‑term investments in public‑private infrastructure projects, providing institutional investors with access to assets in sectors including healthcare, education, transport and defence…
Serves institutional investors, including UK institutions and local authority pension funds, seeking long-term exposure to public-private infrastructure projects in health, education, transport and…
Location
Manages investments in public‑private infrastructure projects, including healthcare, education, transport and defence accommodation. Raises capital from institutional investors and pension funds to…
Serves UK institutional investors and local authority pension funds seeking exposure to public-private infrastructure projects across health, education, transport and defence accommodation.
Location
Road Infrastructure (ireland)
Manages and invests in infrastructure assets, including energy, digital, social, transport, and utility projects. Involved in early‑stage development, construction, and ongoing asset management,…
Serves institutional investors and other capital providers seeking long-term exposure to infrastructure assets across energy, digital, social, transport and utilities sectors.
Location
InfraRed Capital Partners
Manages infrastructure investment funds and assets, investing in sectors such as renewable energy, utilities, transport, digital communications and social infrastructure. Involved in development,…
Serves investors and clients allocating capital to infrastructure, including those seeking exposure to energy transition, digital, social, transport and utilities assets.
Location
Amber Infrastructure
Manages and advises infrastructure investment funds. Sources, finances and manages infrastructure assets for public and private sector projects, investing in sectors such as energy, transport and…
Serves institutional investors, public-sector bodies and private-sector counterparties seeking infrastructure investment and asset management across social, energy, transport, logistics and digital…
Location
Innisfree
Manages long-term investments in public‑private infrastructure projects. Raises and deploys capital from institutional investors into assets such as hospitals, schools, transport infrastructure and…
Serves UK institutional investors and local authority pension funds seeking exposure to public-private infrastructure projects across health, education, transport and defence accommodation.
Location
Manages and invests in long-term public-private partnership infrastructure projects, including health, education, transport and defence accommodation. Raises and manages capital from institutional…
Serves institutional investors and local authority pension funds seeking access to UK public-private infrastructure projects across health, education, transport and defence accommodation.
Location
Amber Infrastructure Group
Provides infrastructure investment management services, including sourcing, financing and managing infrastructure assets. Manages and advises investment funds investing in sectors such as energy,…
Serves institutional investors, public-sector bodies and private-sector partners seeking exposure to infrastructure assets, with counterparties across social, energy, transport and logistics, digital…
Location
InfraRed Capital Partners
Manages investments in infrastructure assets including energy, digital communications, transport, utilities, and social infrastructure. Engages in development, financing, construction oversight, and…
Serves institutional investors and clients seeking infrastructure exposure, including those investing in energy transition, digital, social, transport and utilities assets across varied risk profiles…
Location
InfraRed Capital Partners
Manages and invests in infrastructure assets for institutional investors, including energy, digital communications, transport, utilities and social infrastructure. Activities include infrastructure…
Serves institutional and professional investors seeking long-term exposure to infrastructure sectors, including energy transition, digital communications, transport, utilities and social…
Location
Paradigm (sheffield BSF)
Manages investments in infrastructure assets including energy, digital networks, utilities, transport, and social infrastructure. Develops, finances, and manages projects across their lifecycle, from…
Serves institutional investors and other clients seeking long-term infrastructure investment exposure across energy, digital, social, transport and utilities assets.
Location
Manages long‑term investments in public‑private infrastructure projects. Raises capital from institutional investors and invests in assets across sectors including healthcare, education, transport,…
Serves institutional investors, including UK pension funds and local authority pension schemes, seeking exposure to public-private infrastructure projects in health, education, transport and defence…
Location
Manages long‑term investments in public‑private infrastructure projects, raising capital from institutional investors and pension funds. Invests in and oversees a portfolio of infrastructure assets…
Serves UK institutional investors and local authority pension funds seeking exposure to public-private infrastructure projects across health, education, transport and defence accommodation.
Location
Manages long‑term investments in public‑private partnership infrastructure projects. Raises and manages funds for institutional investors and oversees a portfolio spanning healthcare facilities,…
Serves UK institutional investors and local authority pension funds seeking exposure to long-term public-private infrastructure projects, including assets in health, education, transport and defence…
Location
Manages long-term investments in public‑private infrastructure projects, facilitating institutional investment into assets such as hospitals, schools, transport infrastructure and defence…
Sells to institutional investors, particularly UK pension funds and local authority pension schemes, seeking exposure to long-term public-private infrastructure projects in health, education,…
Location
Invests in and manages portfolios of social infrastructure assets, primarily Public Private Partnership (PPP) concession projects. Provides investment management and oversight for infrastructure…
Serves institutional investors seeking social infrastructure exposure, alongside public-sector bodies and partners involved in PPP/PFI assets across essential community services in the UK and Europe.
Location
InfraRed Capital Partners
Operates as part of an infrastructure investment management group investing in and managing infrastructure assets. Activities include developing, financing and overseeing projects in renewable…
Serves investors and clients allocating capital to infrastructure, including energy transition, digital, social, transport and utilities assets, with a focus on long-term investment strategies.
Location
InfraRed Capital Partners
Manages and invests in infrastructure assets on behalf of institutional investors, focusing on energy, digital communications, transport, utilities and social infrastructure. Involved in development,…
Serves institutional investors and clients seeking long-term exposure to infrastructure assets across energy, digital communications, social, transport and utilities sectors.
Location
Manages long-term investments in public‑private infrastructure projects including health, education, transport and defence accommodation. Raises and deploys capital from institutional investors and…
Serves UK institutional investors and local authority pension funds seeking exposure to long-term public-private infrastructure projects across health, education, transport and defence accommodation.
Location
Manages infrastructure investment funds for institutional investors. Acquires and manages equity stakes in mid‑market infrastructure businesses, including energy, utilities and transport, and works…
Serves institutional investors globally seeking exposure to mid-market critical infrastructure, alongside management teams of portfolio infrastructure companies operating across sectors such as…
Location
Manages and invests in infrastructure assets for institutional investors. Acquires, develops and actively manages businesses in sectors such as energy, utilities, transport and digital infrastructure…
Serves institutional and professional investors seeking exposure to European infrastructure assets, including pension funds, insurers, sovereign wealth funds and other large-scale capital allocators.
Location
InfraRed Capital Partners
Manages infrastructure investment funds and assets, investing in sectors such as renewable energy, digital networks, transport, utilities and social infrastructure. Provides asset management and…
Serves institutional investors and other capital allocators seeking exposure to infrastructure assets across energy, digital, social, transport and utilities sectors.
Location
Infrastructure Investments (HSL Zuid)
Manages investments in infrastructure assets across sectors including renewable energy, communications and digital networks, social infrastructure, transport and utilities. Engages in development,…
Serves institutional investors and clients seeking exposure to infrastructure assets across energy, digital, social, transport and utilities sectors.
Location
InfraRed Capital Partners
Manages infrastructure investment funds and assets, investing in sectors such as renewable energy, digital networks, transport, utilities and social infrastructure. Conducts development, acquisition…
Serves institutional and professional investors allocating capital to infrastructure strategies, including long-term exposure to energy transition, digital communications, social, transport and…
Location
Invests in and manages a portfolio of public‑private partnership (PPP) and social infrastructure assets, including concession‑based projects providing public services. Generates returns from…
Serves institutional investors seeking PPP and social infrastructure exposure, alongside public sector bodies and project partners involved in UK and European social infrastructure assets.
Location
Unlock all 185 leads
Showing 50 of 185 — +135 more with verified decision-maker contacts, live data, and CRM sync.
How UK infrastructure PE companies work and how to sell to them
What they do
Infrastructure private equity firms earn revenue from management fees on committed or invested capital, carried interest, advisory fees and sometimes monitoring or transaction fees linked to assets they control. The commercial unit is not a short software licence or a day-rate project; it is a fund, separately managed account, co-investment vehicle or platform company with long holding periods. Work is centred on sourcing assets, underwriting cash flows, arranging debt, managing counterparties and reporting to capital providers. Pricing is usually embedded in mandate terms and fund documentation, so suppliers selling into the sector should expect finance, legal and governance language to matter more than conventional feature comparisons.
Who they sell to
Most firms sell their investment proposition to pension capital, insurance-linked allocators, family offices, specialist funds and other private capital sources, while also negotiating with asset vendors, lenders, operating partners and public-contract counterparties. Decision makers tend to include investment committees, CIOs, CFOs, heads of infrastructure, asset-management directors and portfolio board representatives. Mandates are relationship-led, with formal diligence packs, consultant screening and manager-selection processes often sitting alongside personal networks. Sales cycles are typically long because buyers need evidence on track record, risk controls, asset expertise, fee terms and reporting cadence before committing capital or approving a transaction.
What they buy
Infrastructure PE firms tend to buy tools and services that reduce friction around origination, diligence, modelling, reporting and control. Relevant categories include financial-modelling support, portfolio monitoring, investor-relations workflow, fund accounting, valuation support, legal diligence, tax structuring, debt advisory, document management, cyber security, regulatory compliance, governance software and market intelligence. Asset-heavy platforms may also need operational consultants, procurement support, environmental reporting, insurance advice and recruitment for finance, asset management and technical operating roles. Budgets usually sit with finance, operations, investment or portfolio teams, so a seller normally needs to link the pitch to a live transaction, investor reporting burden or control requirement.
Why and how to sell to them
Buying intent often appears when a manager raises a new vehicle, adds an asset category, takes on a co-investor, refinances a portfolio company, prepares an exit or has to tighten reporting after investor scrutiny. A useful outbound angle is usually specific: shorten reporting cycles, reduce model risk, make diligence repeatable, evidence governance controls or improve visibility across regulated and contracted assets. Generic efficiency claims tend to land poorly because these buyers are used to interrogating assumptions. Messages work better when they mirror the investment process, cite the relevant asset type and show how the offer helps an investment, finance or asset-management team de-risk a live workflow.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
Related directories
Frequently asked questions
How many infrastructure PE companies are there in the UK?↓
What counts as a infrastructure PE company in this list?↓
Which are the largest infrastructure PE companies in the UK?↓
What do infrastructure PE companies in the UK actually do?↓
How does UK infrastructure PE compare internationally?↓
How is this list built and how fresh is the data?↓
How big are the typical infrastructure PE companies in the UK?↓
Are these mostly new or established infrastructure PE companies?↓
What SIC codes does this use?↓
What buying signals should I look for?↓
Push these 185 companies into your pipeline.
Find the right decision-makers, see verified company data, and export your list in seconds.