How Clarus Reduced Integration Delivery Time by 90% and Accelerated Revenue Growth

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3 Systems, 90% Time Reduction, £100k+ In Blocked Contracts

For Clarus’ founders, landing critical contracts had become a recurring frustration, not because of product quality, but because every integration delay meant losing six-figure deals.

“Where we didn’t have central integration, one opportunity we lost was worth £350,000. But Versori has changed that."
Fred Thompson
CTO & Co-Founder @ Clarus
90% Faster

From scope to deployment, Versori delivered integrations at a 90% reduction.

About

Clarus WMS is a leading provider of warehouse management systems for businesses around the world.

Industry

Warehouse Management

Company Size

11-50

Headquarters

Manchester, England

Systems Integrated

Executive Summary

Secured over $100k in previously unattainable contracts that were blocked by integrations.

Delivered a 90% reduction in go-live time for all integrations.  

Delivered the project 75% cheaper compared to the custom builds they were paying for previously.

The team could now onboard clients in days, not weeks or months.

Clarus’ Hybrid REST & GraphQL APIs Created Challenges Other Tools Couldn’t Solve Easily.

Clarus, a cloud-native warehouse management system designed for 3PLs and logistics operators, was scaling fast...

For Clarus, a fast-growing WMS provider trusted by logistics operators globally, the biggest barrier to closing new business wasn’t product quality.

It was the time-consuming, resource-draining work of building and maintaining custom integrations. Clarus’ hybrid REST and GraphQL APIs created integration challenges other tools couldn’t solve easily.

As contracts grew in size and complexity, these bottlenecks started costing real revenue: over £350,000 in at-risk deals alone.

For Clarus’ founders, landing critical contracts had become a recurring frustration, not because of product quality, but because every integration delay meant losing six-figure deals.

After more than a year of delayed connector builds, in-house engineers were stretched thin, deadlines slipped, and most critically, new contracts were lost.

"Versori helps us move fast (mapping fields, deploying changes, adapting logic) all without having to rebuild everything from scratch. And that’s a huge advantage when you’re working with 250+ warehouses (and growing)."
Tim Payne
CEO & Co-Founder @ Clarus

Integration Bottlenecks: Costing Time & Revenue

Before partnering with Versori, Clarus faced:

Technical complexity: GraphQL and REST APIs resisted off-the-shelf iPaaS solutions

Missed opportunities: Clarus’ engineering team spent months on each connector. Quarter after quarter, deadlines slipped, and key deals stalled because of integration delays.

Resource overload: Engineering teams were consumed with one-off integration builds rather than focusing on core product improvements. 

The impact was real: 3PL customers required reliable, real-time integrations with Shopify, Unleashed, WooCommerce, and other platforms, yet without them, Clarus couldn’t onboard clients fast enough.

Fulfilment errors, manual workarounds, and inaccurate inventory syncs were tangible symptoms of a deeper integration bottleneck.

"Every time we sign up a new customer, there is an integration piece that is critical. We can now compete for bigger deals and onboard clients faster than ever."
Fred Thompson
CEO & Co-Founder @ Clarus

Versori Broke The Integration Deadlock

Clarus chose Versori to break the cycle...

The goal was clear: build robust, scalable integrations that could be deployed faster and maintained efficiently, without pulling engineering resources off strategic projects.

Clarus chose Versori not just to solve a technical challenge, but to transform how the business goes to market, making integrations a competitive advantage, not a bottleneck.

Versori delivered a comprehensive solution that automated key workflows between Clarus WMS and popular commerce platforms.

Rather than relying on manual glue code or fragile connectors, Clarus now had: 

Automated order syncs and fulfilment status updates

Real-time stock level and product data flow

Customer returns and cancellations managed automatically

Unified purchasing and sales data visibility

With these integrations live, warehouse teams no longer needed to manually update orders, correct fulfilment errors, or wrestle with fragmented data in separate systems. 

"Versori is already helping us expand our customer base and revenue."
Fred Thompson
CTO & Co-Founder @ Clarus

Faster Time to Value & Business Growth

The results were immediate and compelling...

Clarus’ leadership knew they needed a solution that didn’t just patch the problem, but transformed how they delivered value and onboarded customers.

Business Impact:

$100,000+ in previously unattainable contracts unlocked

90% reduction in go-live time for integrations

75% cost reduction compared to one-off custom builds

By reducing integration delivery time by 90%, Clarus was able to focus engineering on strategic growth efforts and shorten sales cycles for larger contracts.

Operational Value:

Manual workarounds eliminated: reducing errors and delays

Data flows across systems: strengthening customer trust

Engineering freed up to focus on product innovation

“[Versori] is allowing us to put our customers live quicker than we've been able to before.”
Fred Thompson
CTO & Co-Founder @ Clarus

One Integration Layer. 12 Critical Workflows.

Versori was implemented as the middleware connecting Clarus' 3 main systems

Over the course of the project, 12 custom workflows were built to synchronise data across systems, including:

Order lifecycle management, including creation, deletion, cancellation handling, and synchronisation.

Fulfilment orchestration, covering fulfilment creation, acceptance, and status updates.

Purchase order and supplier data synchronisation for procurement visibility.

Product catalogue management, including product creation and cross-system synchronisation.

Real-time inventory synchronisation to maintain accurate stock levels and prevent overselling.

"What gives us a real edge [because of versori], is the ability to adapt how integrations behave without going back to dev every time.”
Tim Payne
CEO & Co-Founder @ Clarus

Workflow Use Case Deep Dive

Unified Purchasing & Sales Visibility: Clarus > Unleashed

Managing purchasing, sales, and supplier data across systems created visibility gaps and manual workload for warehouse teams using Clarus and Unleashed. Without a live data link, updates were delayed or inconsistent, increasing the risk of errors and slowing warehouse operations.

The solution: Versori delivers a seamless integration between Clarus and Unleashed that enables real-time synchronisation of purchasing and sales data.

Purchase & Sales Sync: Automatically push purchase orders, sales orders, and supplier updates between Unleashed and Clarus, keeping both systems aligned.

Live Warehouse Visibility:
Ensure stock levels and order activity are updated instantly, eliminating data gaps and manual reconciliation.

Choosing An Integration Strategy That Scales

What this means for prospective customers...

Clarus now has the ability to plan, build and deploy integrations faster, meaning that customers can be onboarded faster too.

With integrations now reliable and rapid, Clarus isn’t just operationally efficient, it’s positioned as the go-to WMS partner for businesses that demand agility and growth.

For businesses evaluating WMS solutions or integration partners, Clarus’ story underscores a critical truth: integration capability is not just a technical feature, it’s a business enabler.

In a world where commerce platforms, ERPs, and fulfilment systems must work as one, the ability to synchronise complex workflows reliably and rapidly can make the difference between stagnation and scaling revenue.

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