Economic shifts and uncertainties in global markets are compelling companies to bring more innovation to their sourcing and procurement activities. The procurement function of today needs to play the role of a business enabler driving incisive insights into spend patterns and supply markets, thereby enabling the leadership in decision making. Smarter and agile strategies underlined by the effective use of technology and analytics will be the key to streamlining procurement and aligning it to the dynamic business trends.

WNS helps clients transform their procurement function with our end-to-end Source-to-Pay (S2P) solutions, driving positive impact in the key areas of Spend Under Management, Sourcing Savings, Spend Compliance, Stakeholder Satisfaction and Procurement Operations Cost. Our team of experts is involved in providing the spectrum of procurement services encompassing Strategic Sourcing and Category Management, Contract and Supplier Management, Tactical and Transactional Procurement, and Accounts Payable. We combine our S2P capability with deep Category Management expertise across direct and indirect categories. Our solutions are underpinned by platforms and bolt-on tools which help our clients leverage their existing technology, negating the need for expensive technology upgrades. We manage more than USD 75 Billion in spend and cater to more than 65 global clients across key industries.


WNS Acquired Denali Sourcing Services


WNS created an end-to-end Source-to-Pay hub for the client and helped identify potential savings of USD 145 Mi..
WNS implemented a comprehensive global procurement program to help the client achieve more than 90 percent spe..
WNS established an effective sourcing and contracting process to deliver 16 percent procurement value

The WNS Advantage


We have more than 2600 experts providing end-to-end S2P support across the world. With more than 150 on-demand onshore Category experts, a dedicated Sourcing Center of Excellence (CoE), a dedicated Category training academy, transformation capabilities, technology-enabled solutions and customer-centric focus, WNS is at the forefront of the evolving procurement outsourcing market.


As part of our as-a-service model, we offer highly modular and scalable solutions underpinned by cloud, analytics and automation. We focus on collaboration with client’s procurement organization to create a mutually rewarding partnership.


We have global experience in delivering procurement solutions with an optimum mix of onshore, nearshore and offshore delivery. We leverage our network of 48 delivery centers across US, Europe, Asia-Pacific and Africa to manage a varied scale of engagements, with flexibility to start small and grow at the right pace. We have expertise in deploying various pricing models prevalent in procurement, including Project-based, Fixed Fee, Outcome-based, FTE-based and Hybrid.


Our technology-agnostic approach ensures we deliver customized solutions that seamlessly integrate with clients’ current technology environment. We also leverage a rich ecosystem of procurement platforms, partner and proprietary solutions to optimize procurement technology performance. Our in-house capabilities encompass high-end research, analytics and best-in-class technology solutions.

Client Stories
Celebi Aviation Holding

"WNS had become an integral part in my former Company to achieving our goals in diverse areas, hence when I initiated a Global transformation process in Celebi I re connected with WNS to capitalize on their expertise and solution driven flexible business proposition."

Onno C. P. Boots
Group CEO, Celebi Aviation Holding


"WNS’ solution is clearly innovative and showcases how WNS understands our business and innovates to deliver business value.”

Michel Hilgersom
Director of Procurement Commercial, KLM

Virgin Atlantic

"Industry expertise was the key. We wanted to ensure we chose a provider that understood the complexities of our business. WNS' knowledge was comprehensive and its solutions flexible. They could talk the talk."

Jeremy Carrington
Head of Procurement, Virgin Atlantic

A ‘Major Contender’ in Everest Group’s Procurement Outsourcing (PO) – PO Service Provider Landscape for Europe with PEAK Matrix™ Assessment 2015


The recent acquisition of Denali has helped WNS add a strategic procurement capability to our existing portfolio of solutions. Denali delivers high-end global sourcing and procurement solutions to some of the world’s leading brands across industries. With this acquisition, WNS now delivers end-to-end procurement services to our global clients, encompassing our comprehensive suite of Category Management, Source-to-Contract (S2C) and Procure-to-Pay (P2P) services.

Learn More

Category Management

  • Category Management Governance
  • Category Management Methodology & Tools
  • Category Manager Training & Competency Development
  • Category Strategy/Plan Development
  • Stakeholder Management
  • Market Intelligence & Spend Analytics
  • Category Knowledge

Sourcing Services

  • Strategic Sourcing
  • RFx Execution & Management
  • Auction Execution & Management
  • Opportunity Assessments & Sourcing Wave Plans
  • Category Cards & Playbooks
  • Tail Spend Management

Contracting Services

  • Contract Strategy & Management
  • Contract Authoring
  • Contract Negotiation (simple to strategic)
  • Contract Administration, Approvals, & Archive
  • Contract Compliance Monitoring, Auditing, & Expiration Analysis
  • Legal terms Playbooks

Supplier Management

  • Overall Strategy and Supplier Management Framework Development
  • Supplier Onboarding and Segmentation
  • Risk Management Strategy and Execution
  • Suppler Development and Performance Management
  • Supplier Relationship Management and Collaboration
  • Innovation Channel Management and Continuous Improvement

Procure-to-Pay Services


Transactional Procurement

  • Requisition to PO Management
  • Spot Buy / Tactical Buy
  • Catalog Development & Management
  • Master Data Management
  • Centralized Procurement Service Desk

Accounts Payable Services

  • Invoice & Payment Processing
  • Exception Handling
  • AP HelpDesk
  • T&E Processing
  • Vendor Statement Reconciliation

Follow us on:
Stay Updated