Jellyfish Energy
- Company typePrivate
- Founded2014
- HeadquartersNewcastle Upon Tyne, United Kingdom
- Headcount11–50
- GTM typeB2B and B2C
- OfferingServices
What Jellyfish Energy does
Jellyfish Energy Limited is an independent, privately-held UK energy supplier operating from a Newcastle headquarters with satellite offices in Edinburgh and Manchester. The company supplies gas and electricity to both business and domestic customers across all industries, generating revenue primarily through daily standing charges, consumption-based unit rates, deemed contract rates for non-contracted customers, volume tolerance fees, optional renewable electricity premiums, and commissions earned on partner-sourced accounts. Its commercial model combines direct self-service acquisition (web platform, iOS mobile app, inbound phone sales) with an indirect channel of energy brokers and Third Party Intermediaries who access the bespoke Medusa partner platform for real-time pricing, configurable commission, and automated monthly payouts.
The company's core technology stack comprises a customer-facing platform for account management, billing, payments (Apple Pay, credit card, direct debit), meter reading submission, and live chat; a partner platform (Medusa) with real-time reporting; and three developer APIs (Ephyra, Medusa, Vortex) for status monitoring, partner integration, and quote generation. Differentiating this stack is the proprietary Live Customer Rating Algorithm, which assigns customers to one of five tiers based on payment behavior and meter-reading compliance and translates that into progressive unit-rate discounts of up to 7.50% at the Platinum tier, with a sister Larva Rating Tracker product extending the same mechanism to new businesses with poor or no credit history.
Pricing is not publicly disclosed; tariffs (fixed, variable, and deemed) are issued on a quote or welcome-email basis and include a 10% volume tolerance band before additional fees apply. Jellyfish positions itself as a transparent, tech-led alternative to incumbent UK suppliers, with the rating system functioning as both a loyalty mechanism and a switching-cost lever. The company is privately held with no disclosed venture capital, private equity backing, or parent company identified in available data, and no funding rounds, headcount figures, revenue figures, or strategic transactions are disclosed.
Jellyfish Energy firmographics
Firmographics- Name
- Jellyfish Energy
- Legal name
- Jellyfish Energy Limited
- Website
- https://jellyfish.energy
- Company type
- Private
- Founded year
- 2014
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Ownership category
- akta.pro rank
Where Jellyfish Energy is headquartered
LocationHeadquarters
- HQ city
- Newcastle Upon Tyne
- HQ country
- United Kingdom
- HQ region
- Europe
Offices3 records
Markets served
Jellyfish Energy business model
Business model- GTM type
- B2B and B2C
- Offering type
- Services
- Cost components
- Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Gas and Electricity Supply: Primary revenue from supplying gas and electricity to business and domestic customers. Charges include daily standing charges and unit rate charges for consumption.
- Standing Charges: Fixed daily charges per metering system per calendar day, charged regardless of consumption.
- Deemed Contract Rates: Higher rates charged to customers on deemed contracts (when no active contract exists, e.g., moving into property or end of fixed-term without action).
- Volume Tolerance Fees: Fees charged when customer usage deviates more than 10% from contracted amounts (either under or over). Applied at end of contract year as separate bill.
- Partner Commission: Partners can add their own commission amount to energy products and earn annual commission on client accounts.
- Renewable Electricity Premium: Additional charge for electricity sourced from renewable sources for customers who opt into renewable energy supply.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Standard Tariff - Standing charge plus unit rates |
| Subscription | Multi-year contract | Fixed Rate Tariff |
| Subscription | Monthly | Variable Rate Tariff |
| Subscription | Monthly | Deemed Contract Rates |
| Subscription | Annual | Larva Rating Tracker Product |
| Other | One time | Pre-live Payment Requirement |
Go-to-market motion2 records
Distribution channels4 records
Marketing channels7 records
Jellyfish Energy product offering
Product offeringCore offering
Jellyfish Energy Limited is a UK-based energy supplier that provides gas and electricity supply to both business and domestic customers. The company operates a technology-led platform with bespoke customer and partner systems, a proprietary Live Customer Rating Algorithm that rewards loyal customers with rate deductions, and dedicated web/mobile apps for account management. It also supports an energy broker/Third Party Intermediary channel through the Medusa partner platform with automated commission payouts.
Product overview
Jellyfish Energy is a UK-based energy supplier offering a technology-led energy supply platform with products for both business and domestic customers. The core offering consists of electricity and gas supply services, supplemented by deemed rates for non-contracted customers and renewable fuel mix options. The company provides multiple customer-facing platforms including a web-based customer platform and iOS mobile app for account management, bill viewing, payments (Apple Pay, credit card, direct debit), and meter reading submission. For business partners (brokers and agents), Jellyfish Energy operates the Medusa partner platform and exposes three APIs (Ephyra for status, Medusa for partner integration, Vortex for quotes). The Larva Rating Tracker is a specialized 12-month contract product utilizing a Live Customer Rating Algorithm to help businesses with poor credit build ratings through payment behavior and meter reading compliance monitoring.
Differentiator
Problem solved
Functional benefit
Brands
- The Bloom Room: Community and charity initiative operated by Jellyfish Energy
- Larva Rating Tracker
- Medusa
- Ephyra API
- Vortex API
Products and services
- Electricity Supply
- Gas Supply
- Deemed Rate Energy Supply
- Renewable Electricity Supply
- Larva Rating Tracker
- Medusa Partner Platform
- Jellyfish Energy Mobile App
- Vortex Quote Generation API
- Medusa Partner API
- Ephyra Platform Status API
Companies that use Jellyfish Energy
Customer profileNamed customers1 record
Segments4 records
Ideal customer profiles4 records
Jellyfish Energy technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability1 record
Feature6 records
Jellyfish Energy partnerships and signals
Strategic signalRecent moves6 records
Expansion highlights5 records
Jellyfish Energy competitors and assessment
Company assessmentDirect peers
- E.ON Next: Customer-facing arm of E.ON UK, supplying gas and electricity to households and small businesses with app-based self-service and broker partner distribution. Comparable on tech-enabled domestic and SMB supply model.
- Utilita: UK challenger energy supplier with smart-meter-led digital platform and a focus on prepayment and small business customers. Comparable on tech-led customer experience and SMB engagement, though with a different go-to-market emphasis.
- Good Energy: UK renewable-focused independent energy supplier with strong digital proposition and direct plus broker sales. Comparable on independent challenger positioning and renewable fuel-mix emphasis; competes for the same sustainability-minded business and domestic customers.
- OVO Energy: Large UK energy challenger supplying domestic and business customers with proprietary digital platforms and a focus on smart-meter data and renewable tariffs. Directly competes in the same customer segments and channels as Jellyfish.
- Shell Energy Retail: UK energy supplier (formerly First Utility) offering gas and electricity to domestic and business customers with digital account management. Operates in the same competitive tier as Jellyfish, including broker channel partnerships.
- Octopus Energy: UK tech-led energy challenger supplying gas and electricity to domestic and business customers. Most direct comparable: similar tech-first positioning (Octopus Watch, Kraken platform), proprietary customer apps, and aggressive partner/broker channel strategy.
Emerging players
- Switch Gas and Electric: UK business energy broker that pairs customers with suppliers and operates adjacent to Jellyfish's partner platform. Comparable as a partner/channel counterparty and as a competitor for the same broker-served SMB customers.
Broad incumbents
- EDF Energy: UK subsidiary of EDF serving domestic, business, and industrial customers across gas and electricity including nuclear-backed low-carbon supply. Benchmarks incumbent scale, tariff structure, and broker support against which Jellyfish competes for business customers.
- British Gas: Largest incumbent UK energy supplier (Centrica-owned) with broad domestic and business coverage, hedging scale, and an expanding digital platform. Sets competitive baseline on pricing, brand, and product breadth against which Jellyfish must differentiate.
Regional players
- SmartestEnergy: UK B2B-focused energy supplier owned by Marubeni serving commercial customers through brokers and direct sales. Direct comparable for Jellyfish's business-customer and partner-channel motion, though focused exclusively on the B2B segment.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Jellyfish Energy social profiles
Digital presenceJellyfish Energy financial estimates
Financial estimateRevenue estimate
Valuation estimate
Jellyfish Energy leadership team
Management profileNumber of profiles
Jellyfish Energy funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Jellyfish Energy 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 Jellyfish Energy
What does Jellyfish Energy do?
Jellyfish Energy Limited is a UK-based energy supplier that provides gas and electricity supply to both business and domestic customers. The company operates a technology-led platform with bespoke customer and partner systems, a proprietary Live Customer Rating Algorithm that rewards loyal customers with rate deductions, and dedicated web/mobile apps for account management. It also supports an energy broker/Third Party Intermediary channel through the Medusa partner platform with automated commission payouts.
Is Jellyfish Energy a public or private company?
Jellyfish Energy is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Jellyfish Energy founded?
Jellyfish Energy was founded in 2014. It employs 11 to 50 people.
Where is Jellyfish Energy based?
Jellyfish Energy is headquartered in Newcastle Upon Tyne, United Kingdom, in the Europe region.
How does Jellyfish Energy make money?
Six revenue lines are on record. Gas and Electricity Supply is the primary driver. The others are standing Charges, deemed Contract Rates, volume Tolerance Fees, partner Commission and renewable Electricity Premium.
Who are Jellyfish Energy's main competitors?
Direct peers on record are E.ON Next, Utilita, Good Energy, OVO Energy, Shell Energy Retail and Octopus Energy. Switch Gas and Electric is listed as an emerging player. Broad incumbents are EDF Energy and British Gas. SmartestEnergy is listed as a regional player.
Does Jellyfish Energy have an API?
Yes. Jellyfish Energy offers multiple APIs for partner and developer integration: Ephyra API for platform status monitoring, Medusa API for partner platform access, and Vortex API for quote generation. These APIs enable partners and developers to build on top of Jellyfish Energy's energy supply infrastructure. Developer documentation is at developer.jellyfish.rest.