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The three

Home V1The lilac hero, with the opportunity ledger beside the statement Home V2Opens on a full-width photograph, and every section after it carries a picture Home V3The promise at wall size, centred, then a spread for each engagement

The layout library

Every section in the template, shown one by one, ready to build your own pages.

All sections, one page

The services

Strategy & Growth+3.4pp gross margin, twelve months after repricing Operations & Performance−23% unplanned turbine downtime, over a year Digital & AI−41% claims-processing time, one engagement Finance & Transformation9 months two businesses to one operating model Risk, Governance & Regulation14 days to audit-ready, from ninety People & Organisation12 mo to running it without us

How we work

The methodFour stages, twenty-eight weeks Fees & engagement modelsFixed, quoted first Sectors9 sectors, 64 engagements All servicesCompared side by side

The audit

Four weeks, fixed fee, one recommendation.

£45–65k fixed

Published

Claims triage copilot at Meridian Mutualclaims-processing time Model-risk framework for Cobalt Bankto audit-ready, from ninety Maintenance regime redesign at Halvard Energyunplanned turbine downtime Network redesign at Northline Logisticson-time delivery across the network Range and pricing strategy at Ostro Retail Groupgross margin, twelve months after repricing Radiology backlog triage at Pallas Healthradiology ticket backlog

The account

All published cases12 with the figure and its method The full ledger64 engagements since 2021 By sectorWhere the work went

Claims triage copilot at Meridian Mutual

−41% claims-processing time

The firm

AboutWhat we will and will not do The team31 practitioners, nine named CareersOpen roles and how we hire ContactA reply within two working days

Offices

London4 Ravenscourt Yard AmsterdamKeizersgracht 241 LisbonRua do Alecrim 12

Still in place

91%

31 practitioners, no subcontractors

Recent

Agree the number before the work, or you will agree it afterBoards · 8 min The process map drawn in the meeting room is fictionOperators · 7 min Against the pilotBoards · 5 min Your management pack cannot show you where the margin goesFinance · 7 min

Also

All insights9 pieces EventsRoundtables and briefings ResourcesThe instruments we use GlossaryThe words, defined QuestionsAnswered in writing

The lead

Agree the number before the work, or you will agree it after

8 min Boards

Start a conversation

tessel advisory

Home

Home V1 The lilac hero, with the opportunity ledger beside the statement Home V2 Opens on a full-width photograph, and every section after it carries a picture Home V3 The promise at wall size, centred, then a spread for each engagement

Services

Strategy & Growth +3.4pp gross margin, twelve months after repricing Operations & Performance −23% unplanned turbine downtime, over a year Digital & AI −41% claims-processing time, one engagement Finance & Transformation 9 months two businesses to one operating model Risk, Governance & Regulation 14 days to audit-ready, from ninety People & Organisation 12 mo to running it without us The method Four stages, twenty-eight weeks Fees & engagement models Fixed, quoted first Sectors 9 sectors, 64 engagements All services Compared side by side

Casework

Claims triage copilot at Meridian Mutual claims-processing time Model-risk framework for Cobalt Bank to audit-ready, from ninety Maintenance regime redesign at Halvard Energy unplanned turbine downtime Network redesign at Northline Logistics on-time delivery across the network Range and pricing strategy at Ostro Retail Group gross margin, twelve months after repricing Radiology backlog triage at Pallas Health radiology ticket backlog All published cases 12 with the figure and its method The full ledger 64 engagements since 2021 By sector Where the work went

Firm

About What we will and will not do The team 31 practitioners, nine named Careers Open roles and how we hire Contact A reply within two working days London 4 Ravenscourt Yard Amsterdam Keizersgracht 241 Lisbon Rua do Alecrim 12

Insights

Agree the number before the work, or you will agree it after Boards · 8 min The process map drawn in the meeting room is fiction Operators · 7 min Against the pilot Boards · 5 min Your management pack cannot show you where the margin goes Finance · 7 min All insights 9 pieces Events Roundtables and briefings Resources The instruments we use Glossary The words, defined Questions Answered in writing

Start a conversation hello@tessel.example

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Aldergate Council, 2025

This engagement’s outcome is on request.

The full ledger

tessel advisory

An independent management consultancy. One measured outcome per engagement, published either way.

hello@tessel.example

The list / one piece a month

That is with us.

London4 Ravenscourt Yard, W6 0UG
AmsterdamKeizersgracht 241, 1016 EA
LisbonRua do Alecrim 12, 1200-017

Home V1
Home V2
Home V3

Strategy & Growth
Operations & Performance
Digital & AI
Finance & Transformation
Risk, Governance & Regulation

Claims triage copilot at Meridian Mutual
Model-risk framework for Cobalt Bank
Maintenance regime redesign at Halvard Energy
Network redesign at Northline Logistics
Range and pricing strategy at Ostro Retail Group

About
The team
Careers
Contact
London

Agree the number before the work, or you will agree it after
The process map drawn in the meeting room is fiction
Against the pilot
Your management pack cannot show you where the margin goes
All insights

© 2026 Tessel Advisory

Privacy Terms Accessibility Layouts A Ledger theme