Procurement7 min read20 January 2025

EV Charger Installers Near Me: How to Choose a Commercial Installer (UK)

How UK businesses, landlords and fleets should vet a commercial EV charger installer — accreditations, DNO experience, OCPP, warranties and red flags to avoid.

Searching "EV charger installers near me" in 2025 returns hundreds of UK firms — from one-van electricians fitting 7kW home units to nationwide DNO-savvy contractors delivering 350kW hubs. For a commercial scheme, the wrong installer costs you twice: once in the original build and again 18 months later when chargers go offline, warranties lapse or your DNO connection is rejected.

This guide is the independent checklist we use when shortlisting installers for client projects across landlord, fleet and retail sites.

The non-negotiables

1. NICEIC or NAPIT registration + EV-specific accreditation

General electrical accreditation isn't enough. Look for NICEIC or NAPIT registration plus the EV charging equipment installer scope. For OZEV-funded work (WCS, EVCG), the installer must be on the OZEV-authorised installer list — non-authorised work is ineligible for grants, full stop.

2. Demonstrable DNO experience

Ask for three recent jobs where they handled a G99 application or an ENA Form A capacity check. If the installer can't talk fluently about UK Power Networks, SSEN or Northern Powergrid timelines, your project will stall at the supply stage. See our DNO process guide for what good looks like.

3. OCPP and open back-office

Insist on OCPP 1.6J or 2.0.1 compliance and a back-office contract you can exit. Closed-protocol hardware (proprietary firmware, no roaming, no third-party CPO support) locks you to one vendor's pricing for the chargers' 10-year life.

4. Workmanship + hardware warranty in writing

Minimum standards for a commercial scheme: 3-year workmanship, 3–5 year hardware warranty on AC, 2–3 year on DC. Anything shorter signals corner-cutting.

Red flags

Local vs national installers

For a single workplace site under 10 bays, a strong regional installer with DNO experience usually beats a national. For multi-site rollouts (10+ sites, fleet depots, BTR portfolios) the national contractors win on programme management — but you'll pay 15–25% more per bay for that.

Questions to ask on the first call

  1. Which DNOs have you submitted G99s to in the last 6 months?
  2. What's your typical lead time from order to commissioning?
  3. Which OCPP back-offices do you support? Can I bring my own?
  4. What load management do you propose if my supply is constrained?
  5. Who owns the chargers, the data and the customer relationship post-install?

How we help

Burton Energy & Infrastructure is vendor-agnostic — we don't sell hardware or installation. We run the procurement on your behalf: capacity study, scheme design, tender to 3 vetted installers, and contract negotiation. Typical saving on a 10-bay scheme is £18,000–£40,000 versus a single-source quote. Run a quick check in our feasibility calculator or book a 20-minute call.


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