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Discover how Nexus Consulting increased billable utilization from 62% to 79%, captured €680,000 in unbilled capacity, and achieved 520% ROI with resource intelligence.
Billable utilization: 62% → 79%
€680,000 in previously unbilled capacity captured
Project margin improved 12 percentage points
520% first-year ROI
Low billable utilization, underpriced projects, invisible profitability by client
Integrated analytics for resource optimization, project profitability, and client value analysis
Nexus Business Consulting is a management consulting firm based in Brussels, Belgium, specializing in digital transformation, organizational change, and operational excellence for mid-market European companies.
Founded in 2015 by three former Big Four consultants, Nexus has grown to 85 consultants generating €12 million in annual revenue. The firm built its reputation on personalized service, deep client relationships, and pragmatic solutions that actually get implemented.
But by early 2023, Nexus faced a challenge common to professional services firms: they were busy, growing, and yet less profitable than they should be.
Despite strong revenue growth, Nexus's profitability lagged industry benchmarks:
Utilization Problems:
Project Profitability Issues:
Resource Allocation Chaos:
Data Scattered Everywhere:
Managing Partner Thomas De Vries calculated the impact:
Utilization gap: 62% actual vs. 75% target = 13 percentage points
Underpriced projects: Approximately 30% of projects came in below target margin due to poor scoping, scope creep, or inefficient staffing. Estimated impact: €420,000 annual margin leakage.
Combined opportunity cost: €1.5M+ annually
"We were leaving over €1 million on the table every year," Thomas recalls. "We had the people, we had the demand, but we couldn't connect capacity to opportunity efficiently. And we were pricing projects without clear understanding of what they'd actually cost to deliver."
In March 2023, two critical incidents occurred within the same week:
Incident 1: Nexus declined a €350,000 project from a top-tier client, citing insufficient capacity. Yet when Thomas manually reviewed consultant calendars, he found that six consultants with appropriate skills had significant availability. The firm lost the project—and frustrated an important client—due to poor visibility into capacity.
Incident 2: Post-project review revealed that a €180,000 fixed-price engagement had actually cost €213,000 to deliver (at standard internal rates), resulting in a negative margin. The project had suffered from scope creep, inefficient staffing, and poor planning—none of which was visible until after the fact.
Thomas knew they needed fundamental change. The firm couldn't scale profitably without solving resource optimization and project intelligence.
Thomas and Operations Director Sophie Laurent defined clear needs:
Must Have:
Nice to Have:
Budget: €100,000 first-year maximum
Nexus evaluated four options:
Option 1: Professional Services Automation (PSA) Platform
Option 2: Custom Spreadsheet System
Option 3: Enterprise BI + Consulting Help
Option 4: Adaptrix
Nexus chose Adaptrix for five reasons:
"We needed intelligence without disruption," Sophie explains. "Our consultants were already using Harvest, Asana, and Salesforce effectively. We didn't need to replace those tools—we needed to integrate and analyze their data. Adaptrix was the only solution that did that intelligently and quickly."
Days 1-2: Discovery workshop
Days 3-7: Data integration
Adaptrix's pre-built connectors for professional services tools made integration straightforward—no custom APIs required.
Days 8-11: Data unification
Days 12-14: AI model training
Key Insights from AI Analysis:
The AI discovered patterns Nexus hadn't recognized:
Optimal team composition: Projects with 1 partner (10% time), 1 senior consultant (30%), 2 mid-level consultants (40%), 1 analyst (20%) had 47% average margin vs. 28% for other configurations
Project type profitability: Digital transformation projects had 41% average margin, organizational change had 38%, operational excellence had 26%. Nexus had been treating all work equally.
Client patterns: Clients with 3+ engagements had 12 percentage points higher margin than one-time clients (relationship efficiency)
Scope creep predictors: Projects with initial budgets under €100K had 67% scope creep rate vs. 23% for larger projects (likely due to less rigorous scoping for smaller projects)
Days 15-19: Dashboard development
Executive Dashboard:
Resource Management Dashboard:
Project Dashboard:
Business Development Dashboard:
Days 20-21: Alert configuration
Days 22-25: User training
Days 26-28: Pilot and refinement
Total implementation cost: €6,000 (included in annual subscription)
Visibility Transformation:
Within week one of go-live, Nexus had capabilities they'd never possessed:
First Major Win:
In week three post-implementation, a partner received an RFP for a €280,000 digital transformation project. Previously, he would have estimated 6 weeks of work, calculated a price, and submitted.
Instead, he used Adaptrix's proposal support:
Partner adjusted the proposal to €295,000 based on AI insights. Client accepted. Project delivered at 36% margin vs. the 28% it would have achieved at original price. Additional value captured: €17,000.
Resource Optimization Discovery:
In month two, Adaptrix flagged a critical insight: Nexus had €680,000 in annual unbilled capacity distributed across consultants. Specific findings:
Armed with this visibility, business development focused on filling these capacity gaps with appropriate work.
Utilization Improvement:
Project Profitability:
Pricing and Proposal Quality:
Client Intelligence:
Strategic Wins:
Financial Impact:
Revenue Growth from Utilization:
Margin Improvement:
Efficiency Gains:
Total Quantifiable Returns: €2,372,000
(Conservative calculation excludes strategic benefits like improved client relationships, competitive positioning, and foundation for scaling)
ROI = (Returns - Investment) / Investment × 100
ROI = (€2,372,000 - €61,200) / €61,200 × 100
ROI = 3,775%
Conservative ROI focusing on annual recurring benefits only (excluding one-time capacity recovery): 520%
Payback period: 9 days
1. Leadership Commitment: Thomas and Sophie personally championed the transformation and modeled data-driven resource decisions from day one.
2. Integration Without Disruption: Nexus didn't change consultants' daily tools—just added intelligence layer on top. Reduced change management friction dramatically.
3. AI Recommendations Trusted: After first few weeks showing AI recommendations were more accurate than gut instinct, consultants embraced the system enthusiastically.
4. Real-Time Feedback: Project profitability visible during execution, not just post-mortem. Enabled course correction instead of retrospective regret.
5. Incentive Alignment: Partners' compensation tied partially to utilization and project profitability. System that measured both drove behavior change.
6. Skills-Based Matching: Connecting consultant expertise to project needs improved both delivery quality and margin (right resource at right cost).
Start Sooner: "We waited until pain became acute," Thomas reflects. "Had we implemented 18 months earlier, we'd have captured an additional €1M+ in value. The opportunity cost of delay was massive."
Include Consultants in Design: Initial implementation was top-down. Consultant feedback after go-live led to improvements. Including them from the start would have accelerated adoption.
More Aggressive Utilization Targets: Nexus set initial target of 75% utilization. They exceeded it and wish they'd been more ambitious from the start (while respecting work-life balance).
From Thomas De Vries (Managing Partner):
"Four critical insights for fellow firm leaders:
First, you almost certainly have 10-20% unbilled capacity hiding in plain sight. You can't see it without proper analytics, but it's there, costing you hundreds of thousands or millions annually.
Second, project profitability variance is likely much wider than you think. Some clients and project types are highly profitable; others are destroying value. Knowing which is which transforms strategy.
Third, gut-based resource allocation is expensive. AI optimization of who works on what drives 5-10 percentage points of margin improvement through better skills matching alone.
Fourth, the tools to solve this are more accessible than you think. We assumed sophisticated resource intelligence required enterprise budgets and Big Four consulting help. We were wrong. The technology exists, it's affordable, and it pays back in weeks."
From Sophie Laurent (Operations Director):
"Three tactical recommendations:
Integration is essential. Don't try to solve this with manual data compilation or isolated tools. Connect everything or you'll fail.
Real-time matters. Knowing project profitability after the fact doesn't help. You need to know during execution while you can still adjust.
Trust the AI. Your initial instinct will be to second-guess recommendations. Track prediction accuracy and you'll quickly learn the AI is right more often than intuition. Trust it sooner to capture value faster."
With resource intelligence delivering exceptional results, Nexus is expanding:
Phase 2 (In Progress):
Phase 3 (Planned 2025):
Growth Trajectory: Nexus plans to scale to €18M revenue by 2025 (50% growth) while maintaining or improving 51% gross margin. They're planning to hire 25 additional consultants—hiring plan guided by Adaptrix's skills gap analysis and capacity forecasting.
"Two years ago, we were successful but inefficient. We grew through effort and client relationships, despite operational inefficiency.
Adaptrix transformed us from activity-driven to value-driven. We no longer measure success by how busy we are, but by how profitably we deploy our expertise.
The €61,000 investment in year one has already returned nearly €2.4 million. But the strategic value exceeds that dramatically.
We now know:
That intelligence is the foundation for scaling from €12M to €30M+ over the next three years. Not through harder work—through smarter work.
For any professional services firm leaving money on the table through poor resource optimization and project intelligence, the question isn't whether to implement analytics. It's how much longer you can afford to wait."
Nexus's results aren't unique—they're repeatable for any professional services organization struggling with utilization, profitability, and resource allocation.
Could your firm:
Schedule a demo to see how Adaptrix delivers resource intelligence for professional services firms.
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