Sleek Bill for Professional Services

Manage Clients, Billing, Expenses & Growth with One Professional Service Platform

Sleek Bill helps consultants, agencies, CA firms, legal firms, architects, IT companies, designers, trainers and freelancers manage quotations, retainers, recurring billing, milestone invoices, GST, expenses, payments, reports, Desktop, Cloud and Android.

Professional quotationsRecurring and milestone billingDesktop + Cloud + Android
Sleek Bill Invoice template

Service businesses provide knowledge, time and results.

Quotations, milestones, retainers, recurring invoicing, project costs, deadlines and client information have to be synchronized for proper invoicing and improved cash flow.

Combine client management, invoicing, expenses and reporting in one process.

Sleek Bill cuts down on redundant admin and allows service firms to run more efficiently and consistently.

Problems That Reduce Profitability and Client Experience

Service firms need a system that supports both professional delivery and business control.

📄

Scattered Client Records

Contact, GST, quotation and billing information remains spread across files and applications.

⏳

Delayed Invoicing

Milestones or recurring services are billed late, affecting cash flow.

💸

Untracked Expenses

Travel, software, reimbursements and project costs are missed or recorded separately.

📊

Unclear Profitability

Firms struggle to understand which clients or projects generate the best return.

Lead → Quotation → Delivery → Billing → Payment → Reports

A structured workflow improves client experience and reduces administrative gaps.

👤

Lead

Add client and requirement.

📄

Quotation

Send scope, price and terms.

🛠️

Service Delivery

Complete project or consultation.

🧾

Billing

Create recurring or milestone invoice.

💳

Payment

Track receipt and balance.

📊

Reports

Review revenue and profitability.

Keep Every Client Detail in One Organized Record

Centralized client information helps teams deliver better service and maintain billing accuracy.

Complete Client Profile

Maintain company details, GST information, contact people, addresses, payment terms, history and outstanding amounts.

ProfileCompany and contacts
GSTTax information
HistoryQuotes and invoices
BalanceOutstanding and payments
🛒

Multiple Contacts

Store decision-makers, accounts and operational contacts.

👕

Multiple Addresses

Maintain multiple billing addresses and locations for service delivery.

📱

Payment Terms

Apply agreed credit days and conditions.

🧰

Client History

Review quotations, invoices and payment activity.

Professional GST Invoice Format Explained

A clear invoice improves compliance, customer confidence and payment collection.

Sleek Bill Invoice template

Business & GST Details

Add logo, GSTIN, address and contact information.

Select Dates

Select issue date, till date invoice vallid.

Customer Information

Store GSTIN, billing address, shipping address and payment terms.

Item & Tax Details

Show product, HSN/SAC, quantity, rate, discount and GST.

Payment Instructions

Add QR code, bank details, due date and credit terms.

Terms & Signature

Include notes, terms, warranty details and signature.

Create Clear Proposals That Make Approval Easier

Present scope, price, taxes, validity, delivery and payment terms professionally.

Quotation-to-Invoice Workflow

Create detailed quotations and convert approved documents into invoices without re-entering the same information.

Scope Detailed service description
TermsPayment and timeline
Taxes GST and SAC
Convert Quotation to invoice
🖥️

Scope of Work

Explain deliverables and exclusions clearly. Define precise project boundaries from day one to eliminate misunderstandings and prevent unbilled scope creep.

💳

Validity & Timeline

Set approval validity and service schedule. Establish firm acceptance deadlines alongside realistic delivery milestones to keep engagements moving on schedule.

🏷️

Payment Terms

Define advance, milestone or completion payments. Outline explicit payment triggers so clients understand exactly when funds are due at each project stage.

🖨️

Notes & Conditions

Add assumptions, responsibilities and service terms. Document essential legal caveats, client duties, and operational guidelines to safeguard your work context.

Bill Services the Way Your Engagement Is Structured

Different service arrangements require different invoice timing and payment methods.

💰

Advance Billing

Collect a portion before service delivery begins.

🎯

Milestone Billing

Raise invoices when defined project stages are completed.

🔁

Recurring Billing

Manage monthly, quarterly or annual retainers.

✅

Completion Billing

Create the final invoice after service delivery.

Create Professional Service Invoices with GST & SAC Details

Maintain compliant records while presenting a polished document to clients.

GST-Ready Service Billing

Create Tax Invoices, Bill of Supply, Credit Notes and Debit Notes with customer GST details and SAC codes.

SAC Service classification
GSTAutomatic calculation
CreditService adjustments
Reports GST summaries

Tax Invoice

Create GST-compliant service invoices. Generate legally aligned billing documents that include required tax breakdowns and registration details.

Bill of Supply

Use for non-tax billing where applicable. Issue clean invoicing statements for exempt services or transactions where GST charges do not apply.

Credit & Debit Notes

Maintain corrections and adjustments. Record payment adjustments, discount additions, or order changes smoothly to preserve true financial accuracy.

GST Reports

Review tax and sales information. Summarize period tax obligations to streamline tax filing preparation and prevent compliance errors.

Track the Costs Behind Every Service Engagement

Accurate expense records improve profitability analysis and reimbursement control.

Professional Service Expense Dashboard

Record travel, software, rent, employee reimbursements, marketing, utilities and client-related costs.

TravelClient visits and transport
SoftwareSubscriptions and tools
Office Rent and utilities
ProjectClient-linked costs

Employee Reimbursements

Record staff expenses linked to business work. Process team out-of-pocket expenditures quickly to ensure accurate payouts and seamless internal auditing.

Project Costs

Track expenses against specific client work. Attribute direct purchases to individual client engagements to calculate true job profitability.

Vendor Bills

Maintain external service and purchase records. Track supplier invoices in one place to maintain good vendor trust and prevent costly late fees.

Expense Reports

Review category-wise spending and trends. Evaluate routine business expenditure across categories to spot waste and keep operational costs under budget.

Understand Which Engagements Produce the Best Return

Compare project revenue with expenses to improve pricing, resource allocation and client selection.

Project Revenue₹4,50,000
Team Cost₹1,60,000
Travel & Reimbursement₹32,000
Software & Vendor Cost₹48,000
Estimated Project Profit₹2,10,000

Better Pricing Decisions

Use actual service costs before finalizing future quotations.

Client-Wise Profitability

Identify which client relationships create stronger returns.

Expense Control

Spot rising project or operational costs early.

Resource Planning

Use profitability insight to allocate people and time better.

Reduce Delayed Collections and Improve Cash Flow

Track invoice status, due dates, partial payments, advances and outstanding balances.

Receivables Dashboard

See what is billed, collected, overdue and due soon from one place.

₹8.42LMonthly billing
₹6.86LCollected
₹1.36LOutstanding
₹54KOverdue

Invoice Status

Track paid, unpaid, partial and overdue invoices.Monitor payment stages in real time to maintain a clear line of sight over your firm's incoming revenue.

Advance Payments

Record retainers and project advances. Log upfront client deposits early to secure project commitments and protect upfront operational cash flow.

Customer Ledger

Review invoices, payments and balances. Track complete client transaction histories at a glance to streamline audits and instantly answer balance inquiries.

Outstanding Follow-Up

Use due-date reports for collection planning. Target past-due accounts systematically to shorten payment cycles and minimize bad debt exposure.

Built for Different Professional Service Businesses

Use the same core platform with workflows suited to your service model.

📘

CA & Tax Firms

Quotations, retainers, GST billing, expenses and client records.

⚖️

Legal Firms

Consultation billing, retainers, client history and payment tracking.

💻

IT & Software Companies

Project billing, milestones, AMC, recurring services and hardware sales.

📣

Marketing Agencies

Retainers, campaign billing, vendor costs and profitability.

🏛️

Architects & Designers

Estimates, milestone invoices, materials and project expenses.

👥

HR & Recruitment Firms

Client contracts, placement billing and recurring service invoices.

🎓

Training & Coaching

Course billing, recurring fees, receipts and client records.

🎨

Freelancers & Creative Firms

Professional quotations, service invoices and expense tracking.

Create Every Important Business Document

Maintain a consistent document flow from proposal to payment.

📄

Quotation

For pricing, scope and approval.

🧾

Proforma Invoice

For pre-billing confirmation.

✅

Tax Invoice

Create GST-compliant service invoices. Generate legally aligned billing documents that include required tax breakdowns and registration details.

📋

Bill of Supply

Use for non-tax billing where applicable. Issue clean invoicing statements for exempt services or transactions where GST charges do not apply.

↩️

Credit Note

For billing adjustments and reductions.

↪️

Debit Note

For additional charges and corrections.

🛒

Purchase Order

For vendors and external services.

💳

Payment Receipt

For advance and final collections.

Replace Scattered Tools with One Integrated Workflow

Compare common service-business methods with a connected billing platform.

Service Requirement
Traditional Process
Sleek Bill
Quotations
Separate documents
Professional reusable quotations
Recurring Billing
Manual monthly preparation
Structured recurring workflow
Client Records
Files and spreadsheets
Centralized client database
Expenses
Separate expense sheets
Integrated expense tracking
Payments
Manual follow-up
Outstanding and ledger reports
Reports
Prepared periodically
Real-time business dashboard

Frequently Asked Questions

Click any question to read the answer.

Yes. It is suitable for consultants, agencies, CA firms, legal firms, architects, IT companies, trainers, designers and freelancers.
Yes. Monthly, quarterly and annual recurring billing can be managed through a structured workflow.
Yes. Services can be billed through advance, milestone, partial and completion invoices.
Yes. Store company details, GST information, contacts, addresses, payment terms, service history and balances.
Yes. Create Tax Invoices, Bills of Supply, Credit Notes, Debit Notes and GST reports with SAC details.
Yes. Record travel, software, reimbursements, rent, marketing, vendor and project-related costs.
Yes. Multi-user access with role-based permissions can support administrators, accountants, sales teams and managers.
Yes. Sleek Bill is available through Desktop, Cloud and Android.

Explore More Retail Billing Resources

Try Our Multiple solution for make your business process easier.

Ready to Run Your Professional Service Business More Efficiently?

Create quotations, recurring and milestone invoices, track expenses, payments, GST, clients and profitability from one integrated platform.

Start Free Trial Book Live Demo Download Android App