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Oak Hall Consulting · Dublin, Ireland

We are the energy market experts.

We make your entry to energy markets happen.

  • Electricity
  • Gas
  • Ireland & Northern Ireland
  • UK & Europe
  • Since 2007
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We make market entry easy and understandable — so the process never distracts from your real plan: becoming a successful energy supplier.

Since 2007 our team has helped new entrants navigate the Irish electricity and gas retail markets — and helped established suppliers transform, re-qualify and grow.

Who we are →
Your route to market

From first idea to first customer.

01

Discover

We map the Irish electricity and gas markets against your business model — segments, costs, timelines and risk — so you go in with eyes open.

  • Feasibility
  • Business case
02

License

We prepare and manage your supply licence applications with the regulator, keeping the process clear, complete and moving.

  • CRU
  • Licence conditions
03

Register

Market participation, trading arrangements, network agreements and industry registrations — sequenced and handled for you.

  • Electricity
  • Gas
  • Trading
04

Build

Billing, CRM, market messaging, processes and people: an operating model that is ready on day one and built to scale.

  • Systems
  • Processes
  • Team
05

Qualify

Market assurance and testing with the network operators, so you are certified to trade — with confidence, first time.

  • Market assurance
  • Testing
06

Go live & grow

First customers, then optimisation. We stay alongside you to stabilise, scale and continuously improve.

  • Hypercare
  • Optimisation
By the numbers

Small, specialist, and seriously experienced.

A boutique consultancy with the depth of an industry insider — working with associates and freelance specialists to deliver tailored solutions.

2007

Helping new entrants become active energy suppliers in Ireland since.

20+

Years of retail energy experience in Ireland and other jurisdictions.

13+

Energy brands supported — from new entrants to household names.

4

Continents: Ireland & UK, Europe, Australia and South Africa.

Case notes

Work that switched on.

Electricity pylons crossing Irish countryside Market entry · Ireland

A new electricity supplier, from blank page to live market.

One programme covering licensing, registrations, systems and market assurance — so the client could focus on product and customers.

  • Licence
  • Registration
  • Assurance
  • Go-live
Energy market operations room Assurance · Re-qualification

Re-qualifying a supplier after a major systems change.

Independent readiness assessment, test planning and evidence packs that gave the board confidence to sign off.

  • Assess
  • Remediate
  • Re-qualify
How we work
“Clear plans, honest timelines and a team that has done it before. That’s what makes market entry feel easy.”
— Oak Hall Consulting
Consultants planning a transformation Digital transformation

Replacing billing and ERP without missing a beat.

Requirements, vendor selection and implementation PMO for a supplier modernising its core platforms.

  • Requirements
  • Selection
  • Delivery
Factory roof with solar panels Large energy users

An energy-transition roadmap for a large energy user.

Supply strategy, on-site generation options and a practical decarbonisation plan aligned to the business.

  • Baseline
  • Options
  • Roadmap
An ancient oak tree in an Irish field at sunrise Jessica Gregory, founder of Oak Hall Consulting
Founder-led
Entering an energy market shouldn’t feel like a maze. Our job is to make it clear, fast and certain.

Oak Hall Consulting was founded by Jessica Gregory in 2016. With over 20 years in retail energy across Ireland and other jurisdictions, Jessica works directly with clients to deliver fit-for-purpose solutions that leave organisations ready for whatever the market brings.

Jessica GregoryFounder & CEO
Read our story →
Energy engineer at a wind farm reviewing a tablet Market analyst · available ERP consultant · 6 months Programme lead · start Monday
Oak Hall People

The right energy talent, exactly when you need it.

Specialists who already speak the language of energy markets — for projects we run, or for yours.

Who we’ve worked with

Trusted across the Irish & European energy space.

From household names to bold new entrants.

Iberdrola Bord Gáis Energy Panda Power Flogas Axpo Bord na Móna Prepay Power
Waterpower Community Power Cenergise Friends of the Earth Glowpower e-voluciona