Advisory for South African startups & SMEs

Empowering growth, properly.

Strategy, accounting, tax and technology — one partner engineered around the realities of building a business in South Africa. From SARS returns to M&A, Suldax handles the complexity so you can build.

Registered Tax Practitioner SARS & SARB Compliance 20+ services under one roof
01What we do

Every critical function of your business. One roof.

Innovative, technology-focused turnkey solutions that empower your business to comply, thrive and sustain its operations.

/ 01 Advisory & Growth
Strategic advisory still life
From first raise to exit.Hands-on strategic guidance at the moments that decide a company's trajectory — priced for SMEs, delivered with big-firm rigour.
  • Specialised consulting
  • Valuations, mergers & acquisitions
  • Cash flow management
  • Budgets & forecasts
  • Project management
/ 02 Accounting & Reporting
Accounting and reporting still life
Numbers you can act on.Books kept properly, reporting that actually informs decisions — monthly, annually, and whenever an investor asks.
  • Bookkeeping & accounting
  • Payroll administration
  • Management accounts
  • Annual financial statements
  • Auditing & reviews
/ 03 Tax & Compliance
Tax and compliance still life
Peace of mind, filed on time.Full tax administration for companies and individuals by a registered tax practitioner — every return, every deadline.
  • Provisional & annual returns
  • VAT & employer returns
  • Individual tax returns
  • SARS & SARB compliance
  • Entity registration
/ 04 Technology & Legal
Technology and legal still life
Foundations that scale.Modern systems and solid agreements — the infrastructure a growing business stands on.
  • IT & IoT solutions
  • Systems implementation & integration
  • Workflow automation
  • Contracts, NDAs & agreements
  • Import / export assistance
Johannesburg skyline at dusk

Rooted in South Africa. Built for growth.

20+Services offered
4Practice areas
1Dedicated partner
Suldax advisor working with a client

"In all our services, we prioritise controls and compliance — peace of mind and a robust foundation for your business's success."

Alexander Sullwald — Director
02Why Suldax

Big-firm capability. Founder-level commitment.

Suldax exists for businesses that need more than a bookkeeper but aren't ready for a big-four retainer. Led by director Alexander Sullwald, we bring seasoned expertise to startups and SMEs — without the overhead.

a.

Compliance you can bank on

Registered tax practitioner. SARS and SARB compliance built into every engagement — not bolted on afterwards.

b.

Technology-first delivery

Turnkey, tech-driven solutions — from systems integrations to IoT applications — that scale as you do.

c.

A partner, not a supplier

One relationship covering strategy, finance, tax and systems — so nothing falls between the cracks.

03How we work

From first conversation to sustained growth.

01

Understand

A free consultation to unpack where your business is, where it's going, and what's actually in the way.

02

Structure

Registrations, compliance, accounting, systems and controls — foundations put right, so you're built to scale.

03

Grow

Ongoing advisory, reporting and cash flow management that keep you compliant, informed and moving forward.

04In the lab
In development by Suldax

RocketCFO. An AI CFO in your pocket.

Most SMEs can't afford a full-time CFO. Soon they won't need one. RocketCFO watches your cash, your deadlines and your numbers around the clock — and tells you what matters before it becomes a problem.

Built by Suldax, on the same controls-and-compliance discipline we bring to every client engagement.

Cash flow, live Deadline radar Plain-English insights
RocketCFO Morning, Alex
Cash runway
8.2 months ▲ healthy
Deadline radar
VAT201 due in 5 days prepared ✓
RocketCFOMargin dipped 2% this month — driven by courier costs. Want the breakdown?
Concept preview
Suldax · Empowering Growth

Let's build something worth growing.

A free, no-obligation conversation about your business — what's working, what's at risk, and what Suldax can take off your plate.