The moment a startup hires its 10th employee, a quiet but significant legal clock starts ticking. Cross 20 employees, and another clock begins. These two thresholds — 10 for ESI and 20 for PF — are among the most commonly missed compliance triggers for Indian startups and growing businesses. And missing them is not a minor technicality: EPFO and ESIC inspectors can demand arrear contributions going back years, along with damages of up to 100% of the arrear amount.
Yet founders frequently discover this only during due diligence for their Series A round, or when an employee files a complaint. This comprehensive guide explains exactly when PF and ESI become mandatory, how to register, what contributions you need to make, and how to stay compliant month after month — so you don't end up in that uncomfortable position.
India has two major mandatory social security schemes for employees in the organised sector:
EPF (Employees' Provident Fund) — governed by the Employees' Provident Funds & Miscellaneous Provisions Act, 1952, administered by the Employees' Provident Fund Organisation (EPFO). It is a retirement savings scheme where both employer and employee make regular monthly contributions into the employee's PF account.
ESI (Employees' State Insurance) — governed by the Employees' State Insurance Act, 1948, administered by the Employees' State Insurance Corporation (ESIC). It is a health and social security scheme providing medical, disability, maternity, and dependent benefits to employees and their families.
These are not optional employee benefits that a startup can choose to offer or skip based on budget. Once the threshold employee count is crossed, they become statutory obligations with serious consequences for non-compliance.
📌 Quick Trigger Guide: Cross 10 employees → Register for ESI. Cross 20 employees → Register for PF. Both must be done within 30 days of crossing the threshold. You cannot delay registration until the next payroll cycle or annual compliance date.
PF registration is mandatory under the EPF & MP Act, 1952 for:
For startups, the practical trigger is: once you have 20 or more employees on any given day, you must register within 30 days. The "20 employees" count includes:
Notably, the 20-employee count is not an average — it is whether the establishment has 20+ employees on any given day. If you crossed 20 employees temporarily during a busy quarter, you should have registered even if headcount later fell.
⚠️ Permanent Obligation: Once an establishment is covered under the EPF Act (either mandatorily or voluntarily), it continues to be covered even if the number of employees falls below 20. Coverage is permanent once triggered. The only way to exit is formal deregistration, which is a lengthy process.
ESI registration is mandatory under the ESI Act, 1948 for establishments with:
ESI coverage applies only to employees with gross wages up to ₹21,000 per month (₹25,000 for persons with disability). Employees earning above this limit are not covered under ESI and their employer need not make ESI contributions for them.
💡 State Variations: Some states like Maharashtra, Karnataka, Tamil Nadu, and Delhi have extended ESI applicability to additional categories of establishments. Always verify the specific rules for your state.
The EPF contribution structure involves three schemes under the EPF umbrella:
These percentages are applied on the employee's basic wage + dearness allowance (DA) — not on CTC or gross salary. If an employee has a basic wage of ₹20,000, the monthly contributions work as follows:
| Component | Rate | Amount (on ₹20,000 basic) |
|---|---|---|
| Employee contribution (EPF) | 12% | ₹2,400 |
| Employer — EPS | 8.33% | ₹1,666 |
| Employer — EPF | 3.67% | ₹734 |
| Employer — EDLI | 0.50% | ₹100 |
| Employer — Admin (EPF) | 0.50% | ₹100 |
| Total Monthly Deposit | ₹5,000 | |
| Employee take-home reduction | ₹2,400 (deducted from salary) | |
| Employer's additional cost | ₹2,600 (over and above salary) |
Under the Pradhan Mantri Rojgar Protsahan Yojana (PMRPY), the government pays the employer's EPS contribution (8.33%) for new employees earning less than ₹15,000/month for 3 years. This scheme incentivises formal employment and significantly reduces the employer's cost for new hires. Check eligibility on the EPFO portal.
ESI contributions are simpler than PF — a flat percentage of gross wages (not just basic wage):
| Contributor | Rate | Base |
|---|---|---|
| Employer | 3.25% | Gross wages of all covered employees |
| Employee | 0.75% | Gross wages |
| Total | 4.00% | Gross wages |
Example: An employee with gross salary of ₹18,000 per month is covered under ESI. Monthly ESI breakdown:
| Scheme | Wage Base | Mandatory Coverage Ceiling | Voluntary Above Ceiling |
|---|---|---|---|
| EPF | Basic Wage + DA | ₹15,000/month basic | Yes (both parties must agree) |
| ESI | Gross Wages | ₹21,000/month gross (₹25,000 for PwD) | No — exempted above limit |
For employees with basic wages above ₹15,000, PF contribution is mandatory only on the first ₹15,000 (employer must contribute on ₹15,000, and the employee may choose to contribute on ₹15,000 only). However, the employee and employer can jointly agree to contribute on the actual higher salary — this is called "voluntary higher contribution".
The definition of "wages" for PF purposes has been a source of significant litigation. The Supreme Court in Surya Roshni case and EPFO circulars have clarified: wages for PF include basic salary, dearness allowance, retaining allowance, and any other allowances that are universally paid and form part of the regular pay structure. Allowances specifically excluded include: HRA (if paid for actual house rent), overtime wages, bonus (statutory), commissions, and conveyance allowances (subject to specific conditions).
⚠️ Wage Structuring Risk: Many companies structure salaries with a very low basic component and high special allowances specifically to reduce PF liability. EPFO has increasingly challenged such structures. Courts have held that allowances universally paid to all employees cannot be excluded from PF wages. Review your salary structure with an HR compliance expert.
Go to the EPFO Employer Portal at epfindia.gov.in and click on "Establishment Registration". You will be redirected to the EPFO Unified Portal for employer registration.
Create a new employer account using your company's PAN, registered address, email, and mobile number. An OTP will be sent to verify your mobile and email. Keep your company's PAN, incorporation certificate, and bank account details ready.
Fill in the establishment details: company name, type of business (manufacturing/services/trade), date of incorporation, PAN, address, nature of business (NIC code), date of coverage (when 20 employees were first crossed), and details of the authorized signatory (managing director or proprietor).
Documents to upload: Certificate of Incorporation, PAN card of the company, Digital Signature Certificate (Class 3) of the authorised signatory, cancelled cheque (for bank account details), address proof of establishment, and list of directors/partners. For partnerships, also upload the Partnership Deed.
The registration form must be signed using the Digital Signature Certificate (DSC) of the authorised person. Submit the form. The EPFO processes the application and allots a PF Code Number (a unique 22-character alpha-numeric code). This usually takes 3–7 working days.
Once you receive the PF Code, add all employees to the EPFO system, generate UAN for new employees, link Aadhaar to UAN for each employee, and start monthly ECR (Electronic Challan cum Return) filing and contribution deposits from the month of coverage.
Go to esic.gov.in and click on "Employer Login" → "Sign Up". Create a new employer account with company PAN, email, and mobile number. ESIC registration is entirely online — no physical visit required.
Fill in the establishment details: name, address, nature of business (NIC code), date from which coverage applies (when 10 employees were crossed), number of employees, contact details, and bank account details. Attach documents: COI, PAN, bank details, list of employees, address proof.
On successful submission, ESIC allots a 17-digit Employer Code Number. This is generated immediately online in most cases. The code is used for all future ESI filings and payments.
Register all eligible employees (those with gross wages ≤ ₹21,000) on the ESIC portal. Each employee gets an IP (Insured Person) number and an ESI smart card. Employees use the ESI card at ESIC empanelled hospitals for free medical treatment.
Calculate ESI contributions (3.25% employer + 0.75% employee) on gross wages of all covered employees every month. Pay the combined contribution on the ESIC portal and generate the monthly challan. Deadline: 15th of the following month.
UAN is a 12-digit unique number assigned to every PF member by EPFO. Think of it as a "PF Aadhaar" — it stays with the employee for life, regardless of how many jobs they change. Every time an employee joins a new company, their new PF account (Member ID) is linked to the same UAN.
📌 Why UAN Matters: An employee can only withdraw their PF, transfer their PF from a previous employer, or take an advance against PF if their UAN is active, Aadhaar-linked, and employer-verified. Delays in UAN activation cause significant problems for employees changing jobs.
Once registered, PF and ESI compliance is an ongoing monthly activity. Here's what needs to happen every month:
⚠️ No Grace Period for PF: PF contributions must be deposited by the 15th. There is no formal grace period. Contributions deposited after the 15th attract interest at 12% per annum on the delayed amount, and penal damages may be levied by EPFO on inspection.
One of the most complex and misunderstood areas of PF/ESI compliance is coverage of non-payroll workers.
Under the Contract Labour (Regulation and Abolition) Act, 1970 and EPF regulations, if a contractor deploys workers at your establishment, you as the principal employer are responsible for ensuring those workers are covered under PF and ESI. If the contractor fails to deposit their PF/ESI, EPFO and ESIC can recover the dues directly from the principal employer.
Always verify that your contractors have valid EPFO and ESIC registrations, and obtain monthly ECR acknowledgement and ESI challan copies from them as proof of compliance.
Currently, independent contractors, freelancers, and gig workers are generally not covered under EPF and ESI — these schemes apply to "employees" with an employer-employee relationship. However, EPFO has been examining whether platform-based gig workers should be brought under coverage, and the Code on Social Security 2020 (which subsumes EPF and ESI laws) expands definitions to potentially include gig and platform workers. This area of law is evolving.
Companies sometimes engage workers on "consultant agreements" to avoid PF/ESI obligations. If EPFO determines that these workers are actually employees (based on factors like exclusivity, control over work, fixed payment), it can demand arrear contributions going back to the date of first engagement, with damages.
Startups can voluntarily register for PF and ESI before reaching the mandatory thresholds. This might be appropriate when:
⚠️ No Going Back: Once you voluntarily register for PF, you cannot deregister simply because you're still below 20 employees. Voluntary registration is permanent. Ensure you're ready for ongoing compliance before registering voluntarily.
| Violation | Penalty |
|---|---|
| Non-registration despite 20+ employees | Arrear contributions for all uncovered periods + damages up to 100% of arrear |
| Late payment of contributions | Interest at 12% p.a. + penal damages (5% to 25% of arrear depending on delay) |
| Failure to maintain records | Fine up to ₹5,000 |
| Providing false information | Imprisonment up to 1 year + fine |
| Persistent default (criminal offence) | Imprisonment 6 months to 3 years + fine |
| Deducting employee contribution but not depositing | Treated as misappropriation — imprisonment up to 3 years mandatory |
| Violation | Penalty |
|---|---|
| Non-registration despite 10+ employees | Arrear contributions + penalty equal to arrear amount |
| Late payment of contributions | Simple interest at 12% p.a. + additional penal damages |
| Failure to submit returns | Fine up to ₹5,000 per default |
| Providing false information | Imprisonment up to 2 years + fine |
🚨 Due Diligence Red Flag: During Series A/B fundraising, investors' legal counsel conducts labour law due diligence. If your startup crossed the PF/ESI threshold but never registered, you will be required to deposit all arrear contributions (with damages and interest) before the investment closes — often a 7-figure sum for startups that have been operating for 2–3 years with 20+ employees.
| Checkpoint | Trigger | Action Required |
|---|---|---|
| Headcount reaches 10 | ESI mandatory threshold | Register on ESIC portal within 30 days |
| Headcount reaches 20 | EPF mandatory threshold | Register on EPFO portal within 30 days |
| New employee joins (PF-covered) | Within 30 days of joining | Generate/link UAN, get Aadhaar-linked, add to ECR |
| New employee joins (ESI-eligible) | Immediately | Register IP on ESIC portal, issue ESI card |
| Every month (by 15th) | Recurring obligation | File ECR and pay PF challan; pay ESI challan |
| Employee salary crosses ₹15,000 basic | PF rate change | Discuss continued voluntary contribution; update payroll |
| Employee salary crosses ₹21,000 gross | ESI exemption | Employee becomes ESI-exempt; stop ESI deduction |
| Employee resignation | Exit compliance | File exit on EPFO portal; issue Form 16A; support PF withdrawal/transfer |
| 11 May and 11 November | ESI half-yearly return | File ESI half-yearly contribution return |
| Audit/Due Diligence | On demand | Provide ECR filings, challan receipts, UAN records, ESIC challans for all periods |
ClearlyComply manages complete monthly PF & ESI compliance for startups — registration, UAN management, ECR filing, challan payment, and returns. Flat monthly fee per employee.
Get a Free Compliance Audit 💬 WhatsApp Us📌 Also Read: ROC Annual Filing for Private Limited Companies: Complete Guide 2026 | Private Limited Company Registration: Complete Guide | ITR Filing for Business Owners
Disclaimer: This article is for general information purposes only and does not constitute legal or compliance advice. Labour law provisions may vary by state and industry. Consult a qualified HR compliance specialist or labour law attorney for advice specific to your organisation's situation.