🏢 For Agencies · Free Template

Invoice Template for Agencies in India (Free, GST-Ready)

Retainer, project, and third-party cost billing formats for digital, creative, and marketing agencies in India — with GST fields and professional terms.

📖 6 min read·By InvoicePilot Team

Manage all client invoices in one place

InvoicePilot tracks paid, unpaid, and overdue per client. Free forever.

Try Free →

SAC codes for agency services

Digital marketing services

998361

GST: 18%

Advertising agency services

998361

GST: 18%

Social media management

998361

GST: 18%

SEO / content marketing

998361

GST: 18%

Creative / graphic design

998392

GST: 18%

Web development

998314

GST: 18%

Template 1 — Monthly retainer (digital agency)

Use for ongoing monthly client retainers — SEO, social media, ads management.

PixelGrowth Digital Agency

Bangalore, Karnataka · GSTIN: 29XXXXX1234X1Z5

SAC: 998361 (Digital Marketing)

TAX INVOICE

INV-2026-041 · March 2026

Due: 10/04/2026

Bill To

RetailBrand Pvt. Ltd., Mumbai, MH

Different state (KA → MH) — IGST 18%

ServiceSACAmount
SEO management — 10 blog posts + technical audit998361₹35,000
Google Ads management (5% of ad spend — ₹4,00,000)998361₹20,000
Social media management — 4 platforms, 20 posts998361₹25,000
Monthly performance report + strategy call998361₹5,000
Subtotal₹85,000
IGST 18%₹15,300
Total₹1,00,300
Note: Ad spend of ₹4,00,000 billed directly to client's ad accounts. This invoice covers agency fees only.

Template 2 — Project with third-party costs

Use when the agency incurs costs (photography, printing, tools) on the client's behalf.

DescriptionTypeAmount
Brand video production — concept, scripting, 1 day shootAgency fee₹80,000
Videographer (external, GST bill attached)Pass-through₹25,000
Studio rental — 10 hoursPass-through₹15,000
Stock music licensingPass-through₹5,000
Subtotal₹1,25,000
CGST 9%₹11,250
SGST 9%₹11,250
Total₹1,47,500
Note: Supporting bills for pass-through costs attached. GST billed on total invoice value including third-party costs.

Agency-specific billing best practices

Separate agency fees from ad spend clearly

Never bundle ad spend with your fee. Clients need to see the split. "Agency management fee: ₹20,000 / Ad spend: billed direct to client" is cleaner and prevents disputes.

Invoice retainer clients in advance

Send the retainer invoice on the 1st of the month — before starting work. Agencies that bill in arrears often face cash flow problems.

Include performance summary in the invoice notes

A one-line note like "March results: 45 leads generated, 8.2% CTR on Google Ads" justifies the fee and builds client trust.

Use project codes for multi-project clients

If a client has multiple projects (website + SEO + ads), use project codes in the invoice: INV-2026-041-SEO, INV-2026-041-ADS. Easier for their accounts team.

Manage all your client invoices in one place

InvoicePilot tracks paid, unpaid, and overdue per client. GST auto-calculated. Free forever.

Start Free — No Credit Card →