BUSINESS GUIDE

Electrical Business Partnership UK: Complete Setup Guide

Everything you need to know about starting a partnership with another electrician — choosing the right structure, drafting a partnership agreement, splitting profits, managing unlimited liability, registering with HMRC, and planning your exit.

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13 min readUpdated 2026-05-18Andrew Moore, Founder of Elec-Mate

Written and reviewed by Andrew Moore, founder of Elec-Mate, against BS 7671:2018+A4:2026, IET Guidance Note 3 and the IET On-Site Guide.

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Key Takeaways

  • 1A standard general partnership in England and Wales has unlimited liability — each partner is personally liable for all the debts of the business, including debts incurred by the other partner.
  • 2A Limited Liability Partnership (LLP) gives partners limited liability (similar to a limited company) while retaining the flexible profit-sharing and tax treatment of a partnership.
  • 3A written partnership agreement is not legally required but is strongly recommended — without one, the Partnership Act 1890 applies, which may not reflect how you actually want to run the business.
  • 4Both partners in a general partnership must register with HMRC as self-employed and file individual Self Assessment tax returns. The partnership itself also files a partnership tax return (SA800).
  • 5Dissolving a partnership without a dissolution agreement can be costly and contentious — always agree an exit strategy in the partnership agreement before starting the business together.
01 · Business Guide

Partnership vs LLP vs Limited Company: Which Is Right for You?

When two electricians decide to work together formally, there are three main legal structures to choose from: a general partnership, a Limited Liability Partnership (LLP), or a limited company. Each has different implications for liability, tax, and administration.

  • General partnership — the simplest structure. No registration required (though you must notify HMRC). Partners pay income tax on their share of profits via Self Assessment. Unlimited personal liability for all business debts. The Partnership Act 1890 applies by default unless you have a written agreement. Best for smaller, lower-risk businesses between trusted parties.
  • Limited Liability Partnership (LLP) — must be registered at Companies House (£50 online registration). Partners have limited liability — they are not personally liable for the other partner's negligence or debts beyond their agreed contribution. Must file accounts and a confirmation statement at Companies House annually (publicly visible). Tax treatment is the same as a general partnership. Preferred for professional practices where one partner may not want to bear responsibility for the other's errors.
  • Limited company — separate legal entity from its shareholders. Directors and shareholders (who may be the same people) have limited liability. Corporation tax at 25% (or 19% on profits up to £50,000 under the small profits rate). More administrative obligations but potentially more tax-efficient at higher profit levels. Required for some commercial and public sector contracts.

For most electricians starting a working partnership, a general partnership with a good written agreement is the simplest starting point. If the business becomes more complex or turnover grows significantly, conversion to an LLP or limited company is straightforward.

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02 · Business Guide

Partnership Agreement Essentials

A partnership agreement is the foundational document of your business relationship. Even a simple one covering the key points is far better than no agreement at all. Have a solicitor draft or review it — a few hundred pounds now can prevent tens of thousands of pounds in disputes later.

  • Business name and purpose — state the trading name, the nature of the business (electrical contracting), and the geographic area of operation.
  • Capital contributions — how much each partner is contributing at the outset (cash, tools, vehicles) and whether interest is payable on capital accounts.
  • Profit and loss sharing — the agreed ratio for sharing profits and losses. This can be different from the capital contribution ratio.
  • Decision-making — which decisions can each partner make alone (day-to-day operational decisions) and which require agreement of all partners (taking on significant debt, new partners, changes to the business).
  • Drawings and salary — how much each partner can draw from the business, and whether a fixed "salary" is paid before profit is calculated.
  • Exit provisions — what happens when a partner wants to leave, retires, becomes incapacitated, or dies. How is their share valued and paid out? Does the other partner have right of first refusal?
  • Non-compete clause — to prevent a departing partner immediately setting up in competition and soliciting clients. Must be reasonable in scope and duration (typically 6 to 12 months within a defined geographic area).
03 · Business Guide

Profit Sharing Arrangements

Disagreements about money are the most common reason partnerships fail. Getting the profit-sharing arrangement right at the outset — and building in a review mechanism — prevents resentment as the business grows.

  • Equal split — 50/50 is the default under the Partnership Act 1890 and works well when both partners contribute equally in time, skill, and capital. Simple to administer but may cause friction if one partner consistently does more work or brings in more revenue.
  • Salary first, then profit share — both partners take an agreed "salary" from the business before profit is calculated. The remainder is then split by the agreed ratio. This approach rewards time worked and is more equitable when one partner works more hours.
  • Revenue-weighted split — each partner earns a commission on the revenue they bring in, with overheads shared equally. Works well when partners have very different client bases or specialisms (e.g., one focuses on domestic work, the other on commercial).
  • Annual review — build in a formal annual review of the profit split. As the business grows and roles evolve, the original arrangement may no longer reflect each partner's contribution. An agreed review mechanism prevents the conversation becoming confrontational.
04 · Business Guide

Liability in a General Partnership

The most significant risk of a general partnership is unlimited joint and several liability. Every partner is personally responsible for all the debts of the partnership, including debts incurred by the other partner without your knowledge.

  • Joint and several liability — if the partnership cannot pay a debt, the creditor can pursue either or both partners individually for the full amount. You can be held liable for work your partner did badly, materials they ordered, or a loan they took in the partnership name.
  • Professional indemnity insurance — essential to cover claims arising from negligent work. In a partnership, both partners need to be covered. Check that your PI policy covers the acts and omissions of both partners and any employees.
  • LLP as the solution — if unlimited liability is a concern, an LLP is the obvious solution. Each partner is liable only for their own acts of negligence or fraud, not those of the other partner. An LLP also provides a cleaner structure if the partnership takes on employees or takes on more complex commercial work.
05 · Business Guide

Registering the Partnership with HMRC

Both partners must individually register as self-employed with HMRC. In addition, the partnership itself must be registered and a nominated partner must be designated to file the annual partnership tax return.

  • Register by 5 October — each partner must register with HMRC by 5 October following the end of the first tax year in which they started trading. Use the SA400 form to register the partnership and SA401 to register as a partner. You can register online via your Government Gateway account.
  • Unique Taxpayer Reference (UTR) — the partnership gets its own UTR, separate from the individual partners' UTRs. The nominated partner files the SA800 Partnership Return using the partnership UTR.
  • VAT registration — if the partnership's combined turnover exceeds the VAT registration threshold (£90,000 from April 2024), the partnership must register for VAT. The partnership registers as a single entity, not the individual partners separately.

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06 · Business Guide

Pros and Cons of a Partnership for Electricians

Advantages

  • Shared workload — two electricians can take on more work and cover each other's holidays and sickness.
  • Complementary skills — one partner may excel at commercial work, the other at domestic, creating a more versatile business.
  • Shared capital — combined resources can fund larger tool purchases, a van, or a workshop without either partner overextending.
  • Simple setup — no Companies House registration required for a general partnership; HMRC registration only.

Disadvantages

  • Unlimited liability — each partner is personally liable for all business debts, including those incurred by the other partner.
  • Shared decision-making — disputes can arise if partners have different views on pricing, growth, or work standards.
  • Exit complexity — dissolving a partnership without a pre-agreed exit arrangement can be protracted and costly.
07 · Business Guide

Dissolving a Partnership

All partnerships eventually come to an end, whether by mutual agreement, one partner leaving, retirement, or breakdown of the relationship. Having an exit procedure in the partnership agreement makes dissolution far less painful.

  • Valuing the business — agree upfront how the business will be valued if a partner leaves. Common methods include net assets (book value of assets less liabilities), goodwill (a multiple of average profit), or a third-party valuation. The method should be stated in the partnership agreement.
  • Notifying HMRC — when the partnership ends, notify HMRC, file a final partnership tax return (SA800), and each partner files their individual Self Assessment return for the final trading period. Do not forget to de-register for VAT if applicable.
  • Scheme registration — notify your scheme body (NICEIC, NAPIT, etc.) of the dissolution. The remaining electrician can re-register as a sole trader, or the new business structure can apply for registration in its own right.
  • Client notification — inform clients of the change in business structure, particularly those with ongoing contracts. Confirm which partner (or the new entity) will be responsible for fulfilling existing obligations.
08 · Business Guide

Running the Partnership with Elec-Mate

Once the partnership is up and running, shared visibility of jobs, certificates, and finances is essential. Elec-Mate's job scheduling, quoting, and certificate tools give both partners real-time visibility of the business from their own phones.

Both Partners, One Business Account

Both partners can access the same Elec-Mate account, see each other's scheduled jobs, issue certificates, and track invoices. No more emailing each other spreadsheets.

Certificates in the Partnership Name

Issue all electrical certificates — EICRs, EICs, minor works — in the partnership's trading name, with the correct scheme registration number. Professional PDFs sent to clients directly from site.

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