Accountants for Growing SMEs in Oxfordshire and Essex

From founder-only to first hires and beyond. Setup, structure, and growth done right, with an accountant who works with growing businesses every week.

✅ ACCA qualified

✅ Xero certified

✅ Based across Oxfordshire & Essex

✅ Transparent pricing

Most start-ups don't fail because of the idea. They fail because of the numbers.

The first three years decide the next ten

Wrong structure. No management accounts. Late VAT registration. Scrappy bookkeeping. Each one is fixable in year one and a nightmare by year three.


Growth without numbers is just luck. The businesses that scale are the ones that built the numbers in from the start. The businesses that don't are the ones that didn't.


Want to talk it through? Fifteen minutes on the phone, no fee.

Services We Provide for Start-Ups and Growing SMEs

The services start-ups and growing SMEs use most often.

Business Start-Up

Company formation, software setup, structure advice, and first-year support.

Limited Companies

The standard structure for ambitious start-ups. Includes accounts, tax, and director's self assessment.

Bookkeeping and VAT Returns

Right-sized bookkeeping that grows with the business.

Management Accounts

Monthly or quarterly figures from the moment the business is generating revenue.

Payroll

From director-only payroll to first hires and beyond.

Tax Planning and Advisory

R&D claims, EIS/SEIS for investor-funded start-ups, share option schemes for first employees.

Want to know which services your start-ups and growing smes business actually needs? Ask on the call.

Why a start-up and growth specialist matters

EIS and SEIS for investor-backed start-ups. R&D tax credits in early years when cashflow matters most. EMI share option schemes for the first key hires. The decision to register for VAT voluntarily before turnover requires it. Choosing the right accounting software for the next 5 years, not just the next 5 months.


These are the decisions that shape the business. Get them right and growth compounds. Get them wrong and you spend year three undoing what should have been done in year one.


Looking for an accountant who knows start-ups and growing smes? You've found one.

How It Works

Meet us

A video call to start, or we come to you if you're in Oxfordshire or Essex. We look at what you're doing now, what's working, and what's missing.

Agree the plan

We set up your books, confirm the services you need, and provide a clear proposal in writing.

Work together through the year

Regular check-ins, clear advice, and no surprise bills at year end.

Step one starts here. Fifteen minutes, no fee.

Why SD Accountancy

Based across Oxfordshire and Essex. A small team. One standard of work. You meet the accountant doing your books. You always speak to them directly. You never get bounced to a help desk or a rotating cast of juniors.


That's how Samuel set up the firm in 2024 and that's how we still work as we grow.


Sound like your kind of accountant? Let's have a chat.

Common Questions

  • Sole trader or limited company?

    Below £30k profit, sole trader is often simpler with similar tax. Above that, limited company tends to win on tax. If you're raising investment, limited is essentially required. If you're protecting personal assets, limited matters more.

  • When do I need to VAT-register?

    When taxable turnover exceeds £90,000 in a rolling 12-month period. Sometimes voluntary registration earlier makes sense (mainly if your customers are VAT-registered businesses).

  • When should I hire my first employee?

    When the work you'd have them do generates more value than the cost of having them. We'll help model the affordability based on your numbers and forecast.

  • How do I structure for investment?

    Limited company, with a clean cap table, EIS/SEIS pre-approval where possible, and a share structure that supports future rounds. We work alongside your lawyer to get this right.

  • Can I claim R&D as a start-up?

    Yes, and it's often particularly valuable for early-stage businesses with losses. R&D credits can be surrendered for cash from HMRC. We'll assess, document, and submit.

Got a question not on the list? Ask us on the call.

Book Your Free Discovery Call

Fifteen minutes on the phone. We'll ask about your business, your current setup, and what's on your mind. You'll come away with a clear answer on whether we're the right accountant for you. No fee and no obligation either way.