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.
We make your entry to energy markets happen.
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 →A boutique consultancy with the depth of an industry insider — working with associates and freelance specialists to deliver tailored solutions.
Helping new entrants become active energy suppliers in Ireland since.
Years of retail energy experience in Ireland and other jurisdictions.
Energy brands supported — from new entrants to household names.
Continents: Ireland & UK, Europe, Australia and South Africa.
Market entry · Ireland
One programme covering licensing, registrations, systems and market assurance — so the client could focus on product and customers.
Assurance · Re-qualification
Independent readiness assessment, test planning and evidence packs that gave the board confidence to sign off.
“Clear plans, honest timelines and a team that has done it before. That’s what makes market entry feel easy.”— Oak Hall Consulting
Digital transformation
Requirements, vendor selection and implementation PMO for a supplier modernising its core platforms.
Large energy users
Supply strategy, on-site generation options and a practical decarbonisation plan aligned to the business.
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.
Market analyst · available
ERP consultant · 6 months
Programme lead · start Monday
Specialists who already speak the language of energy markets — for projects we run, or for yours.
From household names to bold new entrants.