dawn-lit plant wide-angle
Rapid response • Engineered reliability

We make industrial certainty our craft.

From Johannesburg to distant shores, we deliver skilled labour, turnkey projects and maintenance that restore performance — quickly, safely, and with measurable results.

Safety & QualityAvailable across Africa & International
callused hands aligning a flangeCompressor overhauls • On-site specialists
Callused hands aligning a flange
We respond. We quote. We stand beside your operation until the job is done.

What we offer

Skilled labour, turnkey delivery, engineering consultancy, maintenance & overhaul, and industry support — practical engineering and decisive mobilisation.

Skilled labour supplies

Vetted, experienced technicians who integrate seamlessly — field servicing to heavy plant work, mobilised with compliant documentation.

  • Rapid mobilisation within agreed timelines
  • Certified safety & compliance documentation
  • Seamless integration with on-site teams
Request skilled labour

Project execution & manufacturing

Turnkey delivery from planning, fabrication to site installation with measurable milestones and clear schedules.

  • Transparent schedules and milestones
  • On-site fabrication & installation teams
  • Quality-controlled handovers
View projects

Engineering services & consultancy

Practical design, systems audits and lifecycle planning that reduce downtime and operating cost.

  • Practical design focused on uptime
  • Systems audits with immediate action items
  • Lifecycle planning and cost reduction
Request consultancy

Plant maintenance & overhaul

Planned and emergency maintenance including compressor installation, services and full overhauls to restore performance.

  • Planned maintenance to minimise downtime
  • Emergency response & mobilisation
  • Compressor installation & full overhauls
Request maintenance

Mining, power and manufacturing support

Tailored solutions for mills, food processing, power stations and compressor companies — continuous operation matters.

  • Tailored operational support
  • Local teams with international experience
  • Compliance for safety-critical industries
Request industry support

Fast mobilisation. Measurable uptime.

72h
typical mobilisation
95%
first-time fix rate
1000+
site mobilisations

Selected projects — short films

Challenge • Action • Outcome — measurable returns, timelines and locations.

compressor overhaul Johannesburg

Compressor overhaul — Johannesburg

Timeline: 6 weeks • Scope: Full overhaul, bearing replacement, rotor alignment, field balancing

Outcome: Uptime restored to >98% within 2 weeks of commissioning

"Main Switch delivered on time and on budget." — Operations Manager, Local Mill
Read case study
Angola mining plant

Turnaround — Angola mining plant

Timeline: 10 weeks

Outcome: Reduced recurring faults by 64% over 12 months

"They worked through logistical complexity with clarity." — EPC lead
Read case study
compressor installation islands

Compressor installation — Pacific islands

Commissioned remotely with local partners

Outcome: Commissioned remotely with local partners; zero safety incidents.

Read case study

Who we serve — their words

"Main Switch arrived prepared and restored our compressor to new-life performance."

— Operations Manager, Milling
Industry: Milling

"They mobilised quickly and worked safely through a complex shutdown."

— Maintenance Lead, Power Station
Industry: Power

"Reliable, communicative and technically excellent."

— Procurement, Compressor Co.
Industry: Compressors

"Their project management reduced downtime more than promised."

— Operations, Food Processing
Industry: Food Processing

"Skilled technicians who integrated with our team seamlessly."

— Site Manager, Mining
Industry: Mining

"Clear communication and accountable delivery."

— EPC Contractor
Industry: EPC

"Worked through logistics with clarity and calm."

— Project Lead, International
Industry: International

"They made our turnaround predictable and safe."

— Safety Officer, Mill
Industry: Milling

Get a clear estimate — built for real projects

Select project type, provide budget and timeline for an immediate transparent estimate preview. Final quote follows within one business day.

Email a quick brief

We’ll respond within one business day. If urgent call/WhatsApp +27 72 552 0240.

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Contact

Phone / WhatsApp: +27 72 552 0240

Email: admin@mainswitchengineering.co.za

Office: 53 Eloff Street, Marshalltown, Johannesburg, Gauteng, South Africa

Hours: Mon–Fri 08:00–16:30, Sat 08:30–14:30, Sun closed