Sole Proprietorship vs Partnership vs LLP vs Pvt Ltd vs OPC

Quick Answer

Private Limited Company gives the strongest credibility and the cleanest path to outside funding, but carries the heaviest compliance load. LLP strikes a balance between limited liability and operational flexibility for professional and family businesses. OPC suits solo founders but must convert to Pvt Ltd once paid-up capital crosses ₹50 lakh or turnover crosses ₹2 crore. A Partnership Firm is the cheapest to set up but exposes every partner to unlimited personal liability. Sole Proprietorship is the simplest possible structure — there is no separate legal entity, the owner and the business are the same person in the eyes of the law, and registration is optional.

When each structure fits

• Private Limited Company — investor-ready, eligibility for Startup India recognition and ISO certifications, Section 80-IAC tax holiday for 3 consecutive years out of the first 10.
• Limited Liability Partnership (LLP) — professional services firms, family businesses, consulting practices. No equity dilution, lower compliance burden than a company.
• One Person Company (OPC) — single founder seeking limited liability with corporate structure; conversion to Pvt Ltd is mandatory on crossing the threshold.
• Partnership Firm — informal setups, low-cost, but unlimited liability for every partner.
• Sole Proprietorship — micro-businesses, kirana shops, freelancers with no registration burden but no separate legal identity.

Side-by-side comparison table

Dimension	Sole Prop	Partnership	LLP	OPC	Pvt Ltd
Separate legal entity?	No	No	Yes	Yes	Yes
Limited liability?	No	No	Yes	Yes	Yes
Min members	1	2	2 (designated 2)	1	2 (director)
Max members	1	50 (per LLP Act)	No upper cap	1 director + 1 nom	200 (15 for public)
Min capital	None	None	None	₹1 lakh	₹1 lakh
Setup cost (typical)	₹500 – ₹2,000	₹2,000 – ₹5,000	₹6,000 – ₹10,000	₹8,000 – ₹12,000	₹8,000 – ₹15,000
Annual compliance cost	₹0 – ₹2,000	₹4,000 – ₹8,000	₹6,000 – ₹12,000	₹15,000 – ₹25,000	₹18,000 – ₹35,000
Audit required?	Above turnover	Above turnover	Above turnover	Always	Always
Tax rate (AY 2026-27)	Slab rates	Slab rates	Flat 30%	Flat 25% (115BAA)	Flat 25% (115BAA)
Foreign investment?	No	No	Allowed (FDI norms)	Restricted	Allowed (FDI/VC)
VC funding?	Not possible	Not possible	Difficult	Difficult	Standard
Conversion path	To partnership	To LLP / company	To Pvt Ltd	To Pvt Ltd	N/A

Key decision factors

1. Liability — Pvt Ltd, LLP, and OPC all give limited liability. Sole Proprietorships and Partnerships expose personal assets to business creditors.
2. Funding — Only Pvt Ltd can issue shares to investors and VCs. OPC cannot take equity investment beyond the single director.
3. Compliance — LLP and Partnership have lower annual compliance load. Pvt Ltd requires board meetings, statutory registers, audit, and ROC filings every year.
4. Tax treatment — Sole proprietors and partners pay tax at slab rates on their share of profit. LLP, OPC, and Pvt Ltd pay a flat corporate tax (25.17% under Section 115BAA for AY 2026-27 if turnover ≤ ₹400 crore).
5. Conversion path — LLP and Partnership can convert to Pvt Ltd. OPC must convert on crossing the threshold (₹50 lakh capital or ₹2 crore turnover). Sole Proprietorships can convert to a partnership or company but lose the original registration.

Tax nuances

• Sole Prop & Partnership — Business income is treated as the owner’s income; salary paid to the owner is not deductible. Tax is computed at individual slab rates.
• LLP — Flat 30% tax on total income (no Section 115BAA benefit), surcharge on income > ₹1 crore. No dividend distribution tax on profit withdrawals (partner’s share is tax-exempt in the partner’s hand).
• OPC & Pvt Ltd — Eligible for Section 115BAA (22% + 10% surcharge + 4% cess = 25.17%) if turnover ≤ ₹400 crore and no accumulated losses. Dividends taxed in the shareholder’s hands.

Compliance load by structure

• Sole Proprietorship — PAN, GST (if turnover > threshold), ITR-3 or ITR-4, optional MSME/Udyam registration. No annual filing beyond personal ITR.
• Partnership Firm — Partnership deed, PAN, GST, ITR-5 for the firm, Form 26AS reconciliation, no ROC filing required (no separate legal entity to report to).
• LLP — Incorporation via MCA, LLP Agreement, Form 8 (Statement of Account & Solvency) by 30 October, Form 11 (Annual Return) by 30 May, ITR-5, ITR-6 for the designated partners.
• OPC & Pvt Ltd — Incorporation via MCA, Board Meeting minutes, Statutory Registers, MGT-7 (Annual Return) by 60 days from AGM, AOC-4 (Financial Statements) by 30 days from AGM, DIR-3 KYC for every director, ITR-6.

Common pitfalls

• Choosing OPC for a venture expecting multiple investors. OPCs can only have one director and cannot issue shares to outside investors. Start as a Pvt Ltd from day one if VC funding is on the roadmap.
• Setting up Partnership when investor readiness is the priority. Partnerships cannot take equity, and every partner’s personal assets are exposed. Convert to LLP or Pvt Ltd before any external fundraising.
• Ignoring ROC compliance load after incorporation. Pvt Ltd requires 5+ annual filings (AOC-4, MGT-7, DIR-3 KYC, ADT-1, MSME if any). Late filings attract penalties from ₹100/day for AOC-4 to ₹1 lakh for board report defaults.
• Setting up a Sole Proprietorship for a high-risk business. The owner has unlimited personal liability — a single lawsuit or creditor claim can attach to personal assets.
• Choosing LLP when 100% foreign investment is needed. FDI into LLPs is allowed only via government approval routes; Pvt Ltd is the standard vehicle for foreign capital.

When to convert

• Sole Prop → Partnership: When you bring in a partner with skin in the game and want profit-sharing formalised.
• Partnership → LLP: When personal liability becomes a concern or bank/government tenders require an LLP structure.
• LLP → Pvt Ltd: When you need VC funding, equity dilution, or employee stock options.
• OPC → Pvt Ltd: Mandatory when paid-up capital > ₹50 lakh OR average annual turnover > ₹2 crore in the immediately preceding three consecutive financial years.

Next steps

• Try our eligibility checker at /eligibility/business-structure/ — answer 5 questions and we’ll recommend the right structure for your situation.
• Talk to our team for a 15-minute structure-selection call — we’ll weigh your funding plans, growth trajectory, and compliance appetite before recommending an incorporation path.

For a deeper dive on the registration process for each structure, see Pvt Ltd Registration Guide, LLP Registration Guide, or our Business Registration Guide.