Sinewave
Sinewave is a UK Independent Connections Provider (ICP) delivering end-to-end electrical infrastructure services—from design and grid connections to construction, testing, and ongoing maintenance—for EV charge point operators, renewable energy developers, and industrial and commercial enterprises across the UK.
- Company typePrivate
- Founded2015
- HeadquartersSwindon, United Kingdom
- Headcount51–100
- GTM typeB2B
- OfferingServices
What Sinewave does
Sinewave Energy Solutions Ltd is a UK-based Independent Connections Provider (ICP) founded in 2015 by Adam Woodley and headquartered in Swindon. The company delivers end-to-end electrical infrastructure services across voltages from 400V to 400kV, with NERS accreditation via Lloyd's Register enabling contestable works up to 132kV. Services span design and consultancy, grid connections, construction and civils, testing and commissioning, and ongoing operations and maintenance. Sinewave serves three primary verticals: EV charge point operators (InstaVolt, BP Pulse via The Electric Vehicle Network, Fastned, SSE Energy Solutions, Source EV, Zenobe), renewable energy developers (Sonnedix, Low Carbon, Anesco, Conrad Energy), and industrial and commercial enterprises (supermarket chains, Transport for London / Connect Plus Services, automotive manufacturing, education, data centres). The company holds ISO 9001/14001/45001, NICEIC Approved Contractor, CHAS, Alcumus SafeContractor, Achilles UVDB, IET Enterprise Partner, ROSPA, Living Wage Foundation, and B Corp certifications, and is recognised as the first and only B Corp certified ICP in the world with a 99.3 B Impact Score as of February 2026.
Revenue is generated primarily through project-based professional services fees under fixed-price proposals, supplemented by recurring managed-services revenue from O&M contracts (COMA and maintenance-only) ranging from six months to 25 years. Go-to-market combines direct enterprise field sales—each client assigned a single point of contact project manager covering feasibility through energisation—with multi-year framework agreements anchoring major CPO and renewable developer clients (eight-plus years with InstaVolt, four-year O&M with EVN/ BP Pulse, three-site back-to-back rollouts for Fastned). Sub-brands Sinewave Switch (AI-assisted carbon tracking launched 2024), Sinewave Academy (paid external training), and Amplify EV (ZEV sector services launched 2025) extend the core offering into adjacent revenue pools.
By 2025 Sinewave had grown to nearly 100 employees (up from approximately 80 in 2023), reported revenue of more than £30m in 2024, and was named in The Sunday Times 100 ranking of Britain's fastest-growing private companies. The company received a minority investment from Three Hills Capital Partners via its Three Hills Impact strategy in August 2025 and appointed Jim Arnold as Non-Executive Chairman in April 2026 to support the next phase of scale.
Sinewave firmographics
Firmographics- Name
- Sinewave
- Legal name
- Sinewave Energy Solutions Ltd
- Website
- https://sinewave.co.uk
- Company type
- Private
- Founded year
- 2015
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Sinewave is a UK Independent Connections Provider (ICP) delivering end-to-end electrical infrastructure services—from design and grid connections to construction, testing, and ongoing maintenance—for EV charge point operators, renewable energy developers, and industrial and commercial enterprises across the UK.
- Ownership category
- akta.pro rank
Sinewave industry classification
Industry- Product category
- Electrical Infrastructure Services
- NAICS
- Electric Power Distribution (221122), Electrical Contractors and Other Wiring Installation Contractors (23821), Electric Power Generation, Transmission and Distribution (2211)
- SIC
- Electric Services (4911)
- akta.pro primary industry
- Turnkey distribution buildouts (feeders, reclosers, capacitor banks, line extensions) (EUADAKAK)
- akta.pro secondary industries
- Electrical Testing & Certification (Protection Relays, Switchgear, Transformers) (EUAEAHAG), High-Voltage Electrical Systems (Switchgear, Transformers, Protection & Control) (EUAEAFAA), Substation & HV Equipment Diagnostics (Partial Discharge, DGA, SF6) (EUAEAHAH)
Keywords
Where Sinewave is headquartered
LocationHeadquarters
- HQ city
- Swindon
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
Sinewave business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure, Supply Chain
Revenue model
- Grid Connection Services: Turnkey grid connection services delivered as an accredited ICP. Covers the full project lifecycle from design, through construction and civil works, to testing, commissioning, and energisation. Revenue is generated through project-based fees for services ranging from LV to 400kV connections. Works are delivered as contestable works adopted by DNOs/IDNOs or as private network infrastructure.
- Construction & Civils: Electrical engineering construction services including HV/LV network installation, civil engineering, system upgrades, and retrofit solutions. Billed as part of the overall project contract.
- Operations & Maintenance (O&M): Ongoing maintenance contracts (COMA and maintenance-only) for electricity networks, providing 24/7 emergency response, non-intrusive and planned preventive maintenance, fault location, and authorised person services. Contracts range from six months to 25 years.
- Design & Consultancy: Accredited electrical design services including contestable connections, switchgear and cable schemes, protection grading studies, harmonic studies, earthing designs, fault level and load-flow analysis. Delivered as part of turnkey projects or as standalone consultancy.
- Testing & Commissioning: Comprehensive testing and commissioning services for complex electrical systems including switchgear, transformers, HV AC/DC pressure testing, injection testing, ductor testing, partial discharge testing, and G59/G99 testing.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Pay-as-you-go | Project-based professional services with fixed-price proposals |
Go-to-market motion3 records
Distribution channels3 records
Marketing channels7 records
Sinewave product offering
Product offeringCore offering
Sinewave is a nationwide UK Independent Connection Provider (ICP) delivering end-to-end electrical infrastructure services from design, through grid connection and construction, to testing, commissioning, and ongoing operations and maintenance. The company serves three primary sectors—EV Charging, Renewables (solar, wind, battery storage), and Industrial & Commercial—with capability up to 400kV and NERS accreditation up to 132kV. Services are delivered as turnkey solutions under framework agreements with major Charge Point Operators, renewable energy developers, and infrastructure clients.
Product overview
Sinewave is a nationwide Independent Connections Provider (ICP) offering end-to-end electrical infrastructure services across three core sectors: EV Charging, Renewables (solar, wind, battery storage), and Industrial & Commercial. The service portfolio is organized around six integrated offerings: Design & Consultancy (accredited by Lloyd's/NERS), Grid Connections (up to 400kV), Construction & Civils, Testing & Commissioning, and Operations & Maintenance. Two supplementary offerings enhance the core: Sinewave Academy (training services) and Sinewave Switch (AI-powered carbon tracking platform for project-level emissions reporting). The company also operates Amplify EV as a sub-brand for ZEV sector solutions.
Differentiator
Problem solved
Functional benefit
Brands
- Sinewave Switch: A bespoke carbon tracking platform that provides project-by-project breakdown of scope 3 emissions, enabling customers to receive carbon-neutral project delivery as standard
- Sinewave Academy
- Amplify EV
Products and services
- Design & Consultancy Accredited electrical design services including contestable connections, switchgear and cable schemes, protection grading studies, harmonic studies, earthing designs, and fault level analysis. Services are certified by Lloyd's Register under the National Electricity Registration Scheme and delivered as part of turnkey projects or standalone consultancy.
- Grid Connections NERS accredited Independent Connections Provider services for connecting EV charging, renewable energy sites, data centres and industrial projects to the electricity grid. Provides turnkey solutions up to 400kV, handling contestable works adopted by DNOs/IDNOs.
- Construction & Civils Electrical engineering construction services including HV & LV networks, civil engineering, system upgrades, ground works, cable trenching, and concrete bases for electrical infrastructure.
- Testing & Commissioning Comprehensive testing and commissioning services for complex electrical systems including switchgear testing, HV AC/DC pressure testing, primary and secondary injection testing, ductor testing, earth testing, G59/G99 testing, and partial discharge testing.
- Operations & Maintenance Maintenance contracts for electricity networks from 400V to 132kV, including non-intrusive inspections, planned preventive maintenance, 24/7 emergency response, and fault location services. Contracts range from six months to 25 years (COMA and maintenance-only agreements).
- Sinewave Academy In-house training academy offering First Aid at Work, Mental Health First Aid, Leadership, and Technical Electrical Training courses for businesses in Swindon and the Southwest region.
- Sinewave Switch AI-powered carbon tracking platform providing live project-by-project breakdown of scope 1, 2, and 3 emissions, enabling carbon-neutral project delivery as standard for customers.
- Amplify EV Powered by Sinewave, Amplify EV offers consultation, software and hardware provision, network design, and charger operations and maintenance services for the Zero Emission Vehicle (ZEV) sector.
Quantifiable outcome
- 99.3 B Impact Score (up from 89.8 in 2022), far above the qualifying threshold of 80 and median of 50 for UK companies.
- +6 more outcomes
Companies that use Sinewave
Customer profileNamed customers17 records
Segments5 records
Ideal customer profiles5 records
Sinewave technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability1 record
Feature5 records
Sinewave partnerships and signals
Strategic signalPartnerships
Twelve partnerships are on record, tiered flagship, core and minor.
- InstaVoltflagshipSinewave has been InstaVolt's ICP of choice for nearly a decade (since 2017). The partnership has delivered multiple flagship EV charging hubs including the Chicklade hub (Sonthill Estate, A303 corridor) described as InstaVolt's biggest collaboration to date. InstaVolt is one of the UK's leading Charge Point Operators with the largest network across the UK.
- FastnedcoreSinewave is supporting Fastned's UK charging network expansion through the installation of three new ultra-rapid charging hubs delivered on a back-to-back programme. Fastned is a major European EV charging operator.
- SSE Energy SolutionscoreSinewave has been delivering charging hubs for SSE since 2023, including the SSE Melksham Ultra Rapid Charging Hub. The partnership includes quarterly safety reviews and a growing pipeline of work. SSE is a major UK energy company.
- Source EVcoreSource EV (a joint venture between SSE and TotalEnergies) appointed Sinewave to deliver its first wave of new charging hubs in Biggleswade and Exeter as part of its ambition to deliver over 300 sites by 2030.
- The Electric Vehicle Network (EVN)coreEVN appointed Sinewave for a 4-year O&M contract covering BP Pulse's Kettering Hub and NEC Birmingham Hub. Previously worked with EVN on its build programme. EVN is a leading independent charging infrastructure development company.
- SonnedixcoreSonnedix, a leading international renewable energy producer with over 9GW global capacity, awarded Sinewave multiple 132kV ICP works including Cowley Complex and Gammaton Moor Solar Farm. Sonnedix operates in solar, wind, and storage globally.
- Low CarboncoreLow Carbon, a global renewable energy company aiming to deliver 20GW by 2030, appointed Sinewave for ICP works at the Fern Brook Battery & Solar project. Both companies hold B Corp certifications and share a commitment to sustainability.
- ZenobecoreZenobe, one of the UK's leading fleet electrification specialists, appointed Sinewave for the two-phase installation and energisation at London's Battersea Bus Depot, powering electric bus operations.
- Transport for London (TfL) / Connect Plus ServicescoreSinewave supported TfL and Connect Plus Services in upgrading the electrical distribution system at the Dartford Tunnel as part of 'Future Proofing' tunnel operations.
- Amplify EVcoreAmplify EV, powered by Sinewave, extends Sinewave's service offering to include consultation, software, hardware provision, network design, and charger operations and maintenance services. Amplify supports Sinewave's ICP & construction capabilities to provide end-to-end solutions for the ZEV sector.
- AnescominorAnesco, a leading UK renewable energy company, uses Sinewave for full intrusive maintenance services at sites such as Sandridge Solar Park. Described as having a high-quality service relationship.
- Lloyd's Register (NERS)coreSinewave operates under Lloyd's National Electricity Registration Scheme (NERS) accreditation, which enables it to carry out contestable works on the electricity network. NERS is managed and administered by Lloyds Accreditation on behalf of UK Distribution Network Operators.
Scale indicators9 records
Recent moves6 records
Expansion highlights7 records
Sinewave competitors and assessment
Company assessmentDirect peers
- Power On Connections (Balfour Beatty): One of the UK's largest Independent Connections Providers, owned by Balfour Beatty. Directly comparable to Sinewave as a UK ICP delivering contestable grid connections, HV installations, and ICP services to DNOs and developers. Competes on the same framework agreements and customer roster.
- Clancy Docwra: UK utility infrastructure contractor delivering power, water, and telecommunications network construction and maintenance. Comparable to Sinewave's HV/LV construction, contestable connections, and ongoing network maintenance for DNOs/IDNOs and major asset owners.
- M Group Services (Morrison Utility Services): Major UK utility infrastructure contractor operating across power, gas, and water networks. Highly comparable to Sinewave's HV/LV electrical infrastructure delivery, O&M, and ICP-adjacent work. Jim Arnold (now Sinewave Chairman) was previously CEO of both Morrison Utility Services and M Group Services, evidencing direct labour-market and capability overlap.
- Murphy (Utility Division): Major UK infrastructure group with a sizeable utility power connections business. Directly comparable to Sinewave in HV electrical infrastructure delivery, ICP services, and renewable/solar connections for DNOs and developers across the UK.
Broad incumbents
- National Grid Electricity Distribution: UK DNO (formerly Western Power Distribution) operating the distribution network across multiple regions. Adjacent rather than directly competitive — National Grid owns the network that Sinewave connects to as an ICP, but also performs non-contestable works and increasingly considers in-sourced connection delivery.
- SSE Energy Solutions: UK energy group's enterprise arm delivering EV charging hubs, private networks, and HV infrastructure. Overlaps with Sinewave as both a customer (SSE Melksham Hub, Source EV) and adjacent provider of grid-side infrastructure solutions for commercial and industrial clients.
- Balfour Beatty: Large UK-listed infrastructure group owning Power On Connections. Overlaps with Sinewave in HV grid connections, substations, and ICP services but as part of a much broader portfolio (rail, highways, construction). Represents the scaled-incumbent competitive threat.
- Costain: UK-listed engineering and infrastructure group with significant power and energy connections capability. Comparable on HV infrastructure delivery and energy transition projects, but operates at much larger scale across transport, water, and defence.
- Morgan Sindall Infrastructure: UK-listed infrastructure contractor with energy and utilities capability including HV electrical connections. Comparable on power infrastructure delivery but operates at significantly larger scale across multiple infrastructure verticals.
- Skanska Utilities: UK arm of the global Skanska group with utilities capability including HV power connections and energy infrastructure. Comparable to Sinewave in HV electrical delivery but as part of a much broader international infrastructure group with deeper balance sheet.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
Sinewave social profiles
Digital presenceSinewave compliance and trust
Trust signalCompliance13 records
Sinewave financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sinewave leadership team
Management profileNumber of profiles
Profiles8 records
Sinewave funding detail
Funding detailFunding overview
Funding rounds2 records
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sinewave M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sinewave
What does Sinewave do?
Sinewave is a nationwide UK Independent Connection Provider (ICP) delivering end-to-end electrical infrastructure services from design, through grid connection and construction, to testing, commissioning, and ongoing operations and maintenance. The company serves three primary sectors—EV Charging, Renewables (solar, wind, battery storage), and Industrial & Commercial—with capability up to 400kV and NERS accreditation up to 132kV. Services are delivered as turnkey solutions under framework agreements with major Charge Point Operators, renewable energy developers, and infrastructure clients.
Is Sinewave a public or private company?
Sinewave is a private company. It is classified as venture growth investor backed and is currently operating.
When was Sinewave founded?
Sinewave was founded in 2015. It employs 51 to 100 people.
Where is Sinewave based?
Sinewave is headquartered in Swindon, United Kingdom, in the Europe region.
How does Sinewave make money?
Five revenue lines are on record. Grid Connection Services are the primary driver. The others are construction & Civils, operations & Maintenance (O&M), design & Consultancy and testing & Commissioning.
Who are Sinewave's main competitors?
Direct peers on record are Power On Connections (Balfour Beatty), Clancy Docwra, M Group Services (Morrison Utility Services) and Murphy (Utility Division). Broad incumbents are National Grid Electricity Distribution, SSE Energy Solutions, Balfour Beatty, Costain, Morgan Sindall Infrastructure and Skanska Utilities.
Does Sinewave have an API?
No public API is recorded for Sinewave.
What industry is Sinewave in?
Sinewave's product category is Electrical Infrastructure Services. Its primary akta.pro industry code is EUADAKAK, Turnkey distribution buildouts (feeders, reclosers, capacitor banks, line extensions), with a secondary code of EUAEAHAG, Electrical Testing & Certification (Protection Relays, Switchgear, Transformers). Its NAICS code is 221122 and its SIC code is 4911.