How to Start a Welding Business in South Carolina (2026)
Key takeaways
- South Carolina has no welding license and no exam to weld — most welders operate with just a business license and insurance.
- Code and industrial work is won with certifications: AWS Certified Welder, AWS D1.1 (structural steel), and ASME Section IX (pipe/pressure).
- A General Contractor license only applies if you contract commercial construction over $5,000; most welders subcontract under a GC instead.
- The real budget is your machine, rig, gas, and insurance — not licensing.
What do you need to start a welding business in South Carolina?
Three pieces beyond your skills: the right certifications for your work, a registered business, and insurance (plus a contractor license only if you contract construction).
| Requirement | South Carolina specifics |
|---|---|
| Welding license | None — SC does not license welding. You can operate a repair or fabrication business with a business license. |
| Certifications | AWS Certified Welder / AWS D1.1 for structural, ASME Section IX for pipe & pressure — what wins code and industrial work. |
| Contractor license | SC General Contractor only if you contract commercial construction over $5,000. |
| SC LLC | Articles of Organization filed with the SC Secretary of State. |
| EIN | Free from the IRS, same day. |
| Insurance | General liability (hot-work) + equipment + commercial auto; workers' comp at 4+ employees. |
How do you get certified to weld in South Carolina?
There's no state exam to weld, so instead of a license you pursue the certifications your target work demands, witnessed by a Certified Welding Inspector at an accredited test facility.
| Mobile / repair | Structural steel | Pipe & pressure | |
|---|---|---|---|
| Applies to | Repairs, fabrication, mobile welding | Structural steel & buildings | Process piping & pressure vessels |
| Credential | None required — business license | AWS Certified Welder / AWS D1.1 | ASME Section IX (API 1104 for pipelines) |
| Exam? | No welding exam | Hands-on performance test (CWI-witnessed) | Hands-on performance test (CWI-witnessed) |
| Cost | Business license only | ~$150–$350 per process/position | ~$150–$350 per process/position |
Useful South Carolina detail: because welding isn't licensed, you can be operating and earning while you stack certifications. Most welders never need a contractor license — they bring certified welds to fabricators, erectors, and general contractors who carry the license. You only step up to the SC General Contractor license (technical exam + Business Management & Law exam + a financial statement that sets your bid limit) if you're the one contracting commercial construction over $5,000.
Certifications, not a license, win the work: On a South Carolina code job — structural steel, industrial piping, pressure work — the client and inspector will want proof your welds are qualified to AWS D1.1 or ASME Section IX, not a government license. Schedule your performance tests at an accredited test facility before you bid that work.
Registering your welding business in South Carolina
- Choose and check your business name against the SC Secretary of State's records.
- The Articles of Organization — filed with the SC Secretary of State, online.
- Your registered agent (you can be your own, or use a service).
- Your federal tax ID (EIN) — free from the IRS — same day.
- Schedule your certifications (or apply for a GC license if you'll contract construction) for the work you'll do.
- Open a business bank account and set up bookkeeping.
- Check for a local business license — many SC cities and counties require one.
South Carolina does not require an annual report for a standard LLC, and workers' compensation isn't required until you have four or more employees — though general contractors and industrial sites you work for will often ask for it anyway.
How much does it cost to start a welding business in South Carolina?
| Cost | Range (SC, 2026) |
|---|---|
| SC LLC (Articles of Organization) | State filing fee |
| EIN | Free |
| Welding license | None — not required in SC |
| General Contractor license (only if you contract commercial over $5,000) | Exam + application + financials — see the SC LLR |
| AWS / ASME certification (per process & position) | ~$150–$350 each |
| General liability insurance (hot-work) | $1,500–$4,000/yr |
| Welding machine, rig/truck, gas, tools, marketing, working capital | The bulk of your budget — see the full welding guide |
| Lean realistic total | ~$12,000–$25,000 |
The formation and certification pieces are small; the real budget is your machine, rig, gas, insurance, and working capital. For the full itemized receipt, see How to Start a Welding Business.
Getting your first welding customers in South Carolina
South Carolina's growing manufacturing, automotive, and construction base works in your favor — from the BMW and auto-supplier plants in the Upstate to the ports and industry around Charleston. The fastest early revenue is subcontracting for local steel fabricators, erectors, and general contractors. Alongside that, set up a Google Business Profile for your service area (Upstate, Midlands, or Lowcountry) and gather reviews so you show up when someone searches "mobile welder near me" or "welding repair near me." Build relationships with manufacturers, machine shops, farms, and trucking and trailer fleets for recurring repair and fabrication work — and once you're certified, chase the higher-margin pipe and structural jobs at industrial sites.
Before you file: South Carolina doesn't license welding, but contractor thresholds, certification requirements, and city/county business-license rules vary by job and location. Always confirm current requirements directly with the SC LLR (llr.sc.gov), the SC Contractor's Licensing Board, the certifying body (AWS or ASME), and your local jurisdiction.
Want it all handled — in South Carolina?
You bring the welding skill. Trades of America is based in the Upstate and gets your entire South Carolina business running — business setup, banking, bookkeeping, website, phone, and marketing — so you can start booking jobs in about a week and own 100% of it.
See Done-For-You Welding Setup →Frequently asked questions
What license do you need for a welding business in South Carolina?
South Carolina doesn't issue a welding license and there's no exam to weld. Most welders operate with just a business license and insurance and win work through certifications — AWS Certified Welder, AWS D1.1 for structural steel, and ASME Section IX for pipe and pressure welding. A General Contractor license only applies if you contract commercial construction over $5,000. Confirm current requirements with the SC LLR and the SC Contractor's Licensing Board.
What's involved in registering a business in South Carolina?
The Articles of Organization go to the SC Secretary of State, a registered agent is named (that can be you), and the IRS issues the EIN free. You remain the applicant on every filing. There's no annual report for a standard LLC, though a local city or county business license may still be required.
Do you need certifications to weld in South Carolina?
Not to legally run a repair or fabrication business, but certifications win code and industrial work. AWS Certified Welder and AWS D1.1 qualify you for structural steel, and ASME Section IX qualifies you for pipe and pressure work. Each is a hands-on performance test witnessed by a Certified Welding Inspector at an accredited test facility.
How long does it take to start a welding business in South Carolina?
There's no welding license to wait on, so the paperwork can be quick and your certifications are performance tests you schedule at an accredited facility. Doing the business setup yourself takes weeks or months, or about a week done for you when everything is run in parallel.
Written by Nick Martin, founder of Trades of America, based in the Upstate of South Carolina. Last updated July 2026. Requirements are current-2026 estimates — welding isn't licensed in SC, but certification and contractor rules vary by job and location; always verify with the SC LLR, the SC Contractor's Licensing Board, AWS or ASME, and your local jurisdiction before filing.