Introducing ESSL
ESSL get called in when something significant has been built — and now needs to scale, integrate, or prepare for the next transaction — without losing momentum.
We help complex, tech-enabled businesses turn strategy into execution — and execution into enterprise value.
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Most operators can fix the operating model. Far fewer can fix what actually caps performance.
ESSL combines operating command with the systemic science of how leadership teams perform under pressure.
A leadership team that can't execute the new plan is usually the real constraint — not the cadence, the forecast, or the margin discipline. We work on both, because they were never separate problems.
We treat a leadership team as a living system rather than a group to be managed. Operating internationally at scale and rebuilding the human system with method, not improvisation, is rare — and it's where we add value others can't.
Where ESSL sits differently
M&A advisors broker the deal. Consultants write the deck. ESSL builds the business buyers want to buy — or investors want to back at IPO — and fixes the leadership system that has to run it afterwards.
The team running the business after the deal is the asset buyers are really pricing. Most advisory work ignores that. We don't.

The Scale-Up Paradox: Grown but Not Scaled
ESSL bridges the gap between Founder-led chaos and Investor-grade performance. Most businesses stall not because of a bad strategy — but because their operating architecture is still built for the startup they used to be. They have scaled their revenue, but they have also scaled their complexity, friction, and risk.
The Transformation Map
What We Do
Leadership & Boards
ESSL work on the leadership system that has to execute the plan — and when it's the right answer, we step into it.
Interim & Fractional Leadership
When a business needs an operator in the seat — not advice from beside it — we take the mandate: interim or fractional COO and GM roles, and Operating Partner engagements on the PE side. For companies navigating a leadership gap, a post-deal stabilisation, or a step-change in scale that the current team can't yet carry alone.
The outcome: experienced executive command from day one, with a clear path to hand back a stronger team than we found.
Systemic Leadership & Executive Coaching
The leadership team is usually the real constraint — not the plan. We work on it directly, through both 1:1 executive coaching and whole-team systemic development. For teams that must execute a new plan, integrate after a deal, or step up to a bigger scale.
The outcome: leadership dynamics become a multiplier on enterprise value rather than a drag on it.
Board & Executive Committee Advisory
We work directly with boards and executive teams to translate vision into executable strategy — with governance that stands up to investor scrutiny. For founder-led and PE-backed companies whose ambition has outrun their operating discipline.
The outcome: a leadership agenda the whole organisation can execute against, with confidence under complexity.

What We Do
Investors & Transactions
ESSL partner with investors and the companies they back to turn growth into durable enterprise value — designing the operating model, building a repeatable value engine, and strengthening the leadership team so the business can scale without losing control of it. Anchored in real deal experience across the $100M–$1Bn range, including sell-side diligence, carve-outs, and integrations.
Scale Up & Value Creation
We partner with investors to accelerate portfolio-company performance across the hold period — operating-model design, a repeatable value engine, and a strengthened management team. Anchored in real deal experience across the $100M–$1Bn range, including sell-side diligence, carve-outs, and integrations.
The outcome: investor priorities stay central, and value creation is operational, not theoretical — scale you can actually run, not just report.
Post-Merger Integration
The deal closes and two operating models — and two leadership teams — have to become one. We integrate both: systems, processes, and synergy capture on one side; the leadership structures and cultures that have to run the combined business on the other. Most integrations deliver the first and quietly fail the second. For acquirers and PE-backed platforms absorbing an acquisition, where the value case depends on the two organisations actually working as one.
The outcome: synergies realised in practice, not just on the model — because the people meant to deliver them are aligned, not merely reorganised.
Exit & Transaction Readiness
We prepare the business buyers want to buy — or investors want to back at IPO. Valuation drivers clarified, a Target Operating Model proven scalable, stakeholders aligned, and a leadership team ready for diligence. We work alongside your appointed M&A, legal, and tax advisors — not in place of them.
The outcome: a transaction-ready business and a credible equity story, with fewer surprises in the data room.

Value Creation at Every Growth Stage
ESSL engage where we add most across the lifecycle — not as a fixed package.
1. Early to Growth
Raising capital — aligning the strategic narrative, defining unit economics, supporting diligence — and scaling leadership beyond the founders.
2. Expansion & Maturity
Strategic transformation to capture new markets, and M&A support — identifying partners, defining deal preferences, preparing for diligence.
3. Pre-Exit
Exit readiness — aligning stakeholders on goals, clarifying valuation drivers — and IPO preparation, establishing governance for public markets.
4. Post-Event
Post-merger integration — harmonising systems, embedding leadership structures, delivering synergies — and governance optimisation.

Sector depth: Enterprise software and SaaS, HR-Tech, EdTech, managed services, AI-driven business services, and professional services.

OUR FOUNDATIONS
Experience, not theory
ESSL is built on a simple conviction: advice means little without the experience of having done it. Our founder's track record below is the evidence behind that principle.
$1.8Bn
Revenue Stabilised
ManpowerGroup / Experis — 35 businesses across 23 countries
+32%
Margin Contribution
Delivered across a fragmented, multi-country federation
+400%
Forecast Accuracy
Transformed from near-zero cross-border governance
$5M→$50M
Consulting Revenue Under Mgmt
Tata Consultancy Services — FTSE-100 and Fortune 500 clients
ManpowerGroup / Experis
Headhunted to stabilise and scale 35 businesses across 23 countries generating $1.8Bn, inherited fragmented after two failed predecessors. Turned a country-led federation with zero cross-border governance into a transaction-ready operating system. Three PE sell-side diligences, plus multiple carve-outs and integrations.
Tata Consultancy Services
Repositioned major accounts from delivery-led outsourcing to consulting-led transformation at Board and CIO level, scaling consulting revenue under management from $5M to $50M for FTSE-100 and Fortune 500 clients. Built and ran that business — didn't counsel it from the sidelines.
Founder
Founded two businesses and helped create two market categories from zero — satellite TV and mobile internet.
Foundations
  • Mathematics & Engineering — Trinity College Dublin
  • MBA — HEC Paris
  • Board Governance — IMD Lausanne
  • Systemic Leadership Coaching

How We Work
ESSL ensure every engagement is led personally — and we work with and through proven partners, matched to what the work actually needs.
Senior-Operator Judgment
Every engagement is led personally. You get the judgment of someone who has operated at scale — not a relationship partner who hands you off.
Curated Partner Bench
Operators, coaches, GTM and diligence specialists — assembled per engagement. Not a solo consultant who can't scale, and not a big firm that sends juniors.
Accountability Stays With Us
The partners extend the reach — but the accountability never splits. One name owns the outcome, from first conversation to final handover.

WHO WE HELP
Serving Those Scaling Internationally
Our Focus
We bring an international operating lens to every engagement — whether you're entering a new market, integrating across entities, raising capital, or preparing to exit. Most of the businesses we work with are crossing borders in some form; all of them are scaling in complexity. We've done it across the UK–Europe corridor and well beyond — North America, India, and Southeast Asia — natively in English and French.
Selected Work
  • Indian software group — three businesses integrated, serving European and UK markets
  • US logistics disruptor — Southeast Asia market entry and fundraising
  • US HR-Tech SaaS leader — European go-to-market
  • US AI consumer platform (career discovery) — operating model for global scale
  • UK healthcare scale-up — business and operating model for global roll-out
  • UK professional services — exit preparation with international client base (UK, Europe, US)

How an Engagement Runs
ESSL bring a focused, three-stage path across the strategic and execution-readiness phases of your transaction journey. Engaged where it adds most — not as a fixed package.
1
1. Determine
Strategic Clarity
Set the strategic compass: align exit goals with the conditions under which the organisation actually performs best, including leadership dynamics and culture as an economic multiplier.
Define deal preferences: clarify timing, valuation expectations, and optimal structures.
Identify buyer fit: map potential acquirers and their strategic rationale.
2
2. Develop
Value Creation
Unlock growth focus: concentrate on the most attractive segments and the value propositions that win them.
Strengthen the value engine: build a repeatable engine that captures value consistently.
Organise to scale: design a Target Operating Model that proves scalability to investors.
3
3. Deploy
Value Realisation & Decision Readiness
Engage stakeholders under external scrutiny.
Governance-led execution with investor-grade transparency.
Valuation logic: translate strategic choices into clear revenue, margin, and valuation drivers.

Optional, on request: Transaction risk review, deal-narrative and buyer testing, and deal-structure scenarios. ESSL does not act as a transaction advisor, broker, or legal representative, and works alongside clients' appointed professional advisors as required.

Let's Talk
If you're carrying a business through scale-up, integration, or exit-readiness — and the leadership team is as much the constraint as the plan — that's the conversation we'd most like to have.
The first call is free: a no-obligation chance to clarify your priorities and gain immediate, practical perspective. You speak with the founder directly.
Schedule a Free Advisory Call
Book directly with Jonathan Elliott — no intermediary, no qualification process. A focused conversation about your situation.
Write to Us
Prefer to start in writing? Reach us at [email protected] and we'll respond personally within one business day.

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