Sile Lillis
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Sile Lillis Email & Phone Number

Finance Director, M and A and Projects at Mitie
Location: London, England, United Kingdom 12 work roles 3 schools
1 work email found @mitie.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Current company
Mitie
Role
Finance Director, M and A and Projects
Location
London, England, United Kingdom
Company size
18132 employees

Who is Sile Lillis? Overview

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Quick answer

Sile Lillis is listed as Finance Director, M and A and Projects at Mitie, a with 18132 employees, based in London, England, United Kingdom. AeroLeads shows a work email signal at mitie.com and a matched LinkedIn profile for Sile Lillis.

Sile Lillis previously worked as Finance Director, M&A and Projects at Mitie and FP&A Director at Mitie. Sile Lillis holds Acma, Cgma, Accounting And Finance from The Chartered Institute Of Management Accountants.

Company email context

Email format at Mitie

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{first}.{last}@mitie.com
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Profile bio

About Sile Lillis

Driven finance specialist with 20 years experience in leading finance teams across multiple business units and service lines, across a number of sectors. This role also included acting as Program/Change Lead across a number of mergers and acquisitions and advising the Board on strategic initiatives. Proven track record in cost reduction and process improvement. Adept at building strong relationships with both internal and external stakeholders. Excellent understanding of the business and Industry to enable delivery of key insight into the business units’ plans. Experience working with International teams. Fluent spoken French.Overall responsibility for a budget of £1.7bn, as well as the forecasting process, monthly reporting and ad hoc analysis. Excellent understanding of the business and Industry to enable delivery of key insight into the business units’ plans. Managing a small but focused team through a period of significant growth and change.

Listed skills include Financial Planning, Business Analysis, Financial Analysis, Budgets, and 26 others.

Current workplace

Sile Lillis's current company

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Mitie
Mitie
Finance Director, M and A and Projects
London, GB
Website
mitie.com
Employees
18132
AeroLeads page
Company profile
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12 roles

Sile Lillis work experience

A career timeline built from the work history available for this profile.

Finance Director, M And A And Projects

Mitie

London, Gb

Finance Director, M&A And Projects

Current
Mitie

London, Uk, Gb

Dec 2021 - Present

Fp&A Director

Mitie

London, Uk, Gb

Dec 2020 - Dec 2021

Director Of Fp&A

Interserve Support Services

- Work directly with the Group CEO, Deputy CFO and the Support Services Board to develop and execute a robust strategy for this £1.5b Division of Interserve group. Enhanced FP&A capabilities to support key strategic decisions.- Led the Support Services Finance team contribution to a Fit for Growth programme, delivering £30m+ of annualised savings across the division - Leading Support Services Finance coordination with and analysis for external 3rd party projects including pre-pack administration, audit going concern review, weekly liquidity management, monthly shareholder and lender reviews, strategic review of the business- Detailed bottom up liquidity management including 13 week cash flow reporting with scenario analysis. Coordinating contributions from 5 business units and the finance shared service centre. - Management of annual budget cycle and 3 year strategic review including timetable and initial reviews. Creation of succinct analysis for CEO and board.- Ability to adapt and manage through turbulent financial situations

Oct 2018 - Nov 2020

Head Of Finance

Interserve Support Services

Responsibilities include providing strategic finance support for the division’s functional Directors (Business Development, Finance, HR, IT & Operations)- Support Board and Group with strategic planning and potential M&A activity- Finance leadership in key medium term programs (Organisational redesign and ERP investment)- Insightful analytics of ongoing operational plans and costs- Leadership for ad hoc projects and initiatives (business and finance)- Sponsored and led the successful implementation of an integrated cloud based planning tool across the Support Services Division

Feb 2015 - Oct 2018

Head Of Fp&A

Interserve Support Services

Responsibilities include leading the FP&A team (5 direct reports), liaising with the senior management to create forecast, budgets and reporting to the divisional board and Group on performance. Led team through a period of accelerated growth and change, including a number of M&A activities.

Mar 2009 - Feb 2015

Management Reporting Manager

Interserve Support Services

Responsible for creating key business performance reports

Jun 2005 - Mar 2009

Financial Controller

Thomson Reuters

Toronto, On, Ca

Mass media & informationInternational role Managing European sales ordering, billing and credit control teams for a global financial and macroeconomic subscription database. Working extensively with sales teams and clients in financial services

Mar 2002 - Jun 2005

Financial Reporting Manager

Worldcom

TelecommunicationsManaging a team of 6 analysts covering 4 countries including the UK, France, Spain and Italy. Responsible for tracking and reporting revenue, sales and commissions

Jun 1998 - Mar 2002

Overseas Accountant

Frere Chomeley Bishoff (Merged With Eversheds In 1998)

Professional ServicesResponsible for the management and financial accounts of 5 overseas branches (Paris, Monaco, Berlin, Dubai, Moscow) of a legal partnership. Role based 50% in London and 50% in Paris with 5 direct reports.

Apr 1996 - Jun 1998

Management Account

The Institute Of Cancer Research

London, Greater London, Gb

Worked with scientific researchers to help them to win research grants and once awarded to run their projects to budget.

Jan 1995 - Dec 1995
Team & coworkers

Colleagues at Mitie

Other employees you can reach at mitie.com. View company contacts for 18132 employees →

EF Emily F. Emily F. Colleague at MitieManchester, England, United Kingdom View → AM Adrian Mcgrath Adrian Mcgrath Colleague at MitieWeymouth, England, United Kingdom View → GC Gonzalo Carpintero Gonzalo Carpintero Colleague at MitieMadrid, Community Of Madrid, Spain View → WI Wardah Iman Wardah Iman Colleague at MitieStockton-On-Tees, England, United Kingdom View → ED Eddie Dickinson Eddie Dickinson Colleague at MitieMansfield, England, United Kingdom View → CO Charles Owusu-Boateng Charles Owusu-Boateng Colleague at MitieLondon, England, United Kingdom View → EY Eva Yocasta Guerrero Cedeño Eva Yocasta Guerrero Cedeño Colleague at MitieLondon, England, United Kingdom View → LL Laura L. Laura L. Colleague at MitieLeeds, England, United Kingdom View → MW Mark Willson Mark Willson Colleague at MitieGreater Reading Area, United Kingdom View → DE David Edge David Edge Colleague at MitieStevenage, England, United Kingdom View →
3 education records

Sile Lillis education

Acma, Cgma, Accounting And Finance

The Chartered Institute Of Management Accountants

Master Of Arts (M.A.), Economics

University College Dublin

Bachelor Of Arts (B.A.), Economics And Politics

University College Dublin
FAQ

Frequently asked questions about Sile Lillis

Quick answers generated from the profile data available on this page.

What company does Sile Lillis work for?

Sile Lillis works for Mitie.

What is Sile Lillis's role at Mitie?

Sile Lillis is listed as Finance Director, M and A and Projects at Mitie.

What is Sile Lillis's email address?

AeroLeads has found 1 work email signal at @mitie.com for Sile Lillis at Mitie.

Where is Sile Lillis based?

Sile Lillis is based in London, England, United Kingdom while working with Mitie.

What companies has Sile Lillis worked for?

Sile Lillis has worked for Mitie, Interserve Support Services, Thomson Reuters, Worldcom, and Frere Chomeley Bishoff (Merged With Eversheds In 1998).

Who are Sile Lillis's colleagues at Mitie?

Sile Lillis's colleagues at Mitie include Emily F., Adrian Mcgrath, Gonzalo Carpintero, Wardah Iman, and Eddie Dickinson.

How can I contact Sile Lillis?

You can use AeroLeads to view verified contact signals for Sile Lillis at Mitie, including work email, phone, and LinkedIn data when available.

What schools did Sile Lillis attend?

Sile Lillis holds Acma, Cgma, Accounting And Finance from The Chartered Institute Of Management Accountants.

What skills is Sile Lillis known for?

Sile Lillis is listed with skills including Financial Planning, Business Analysis, Financial Analysis, Budgets, Investment Appraisal, Management, Stakeholder Management, and Project Management.

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