Business Development Manager / Commercial Manager (M&A)

* Location: London & Home Counties | Remote with regular London travel

* Sector: Private Security / Security Services

* Salary: £50,000 – £75,000 + Commission + Bonus

* Start Date: Q1 2026

A leading UK private security services provider is seeking an experienced Business Development Manager / Commercial Manager to drive strategic growth across the business. This senior role has a strong focus on Mergers & Acquisitions (M&A), new business development, commercial contracts and tender management within the security sector.

This position would suit an ex-military or ex-police professional, or an individual with significant private security experience, who has progressed into a senior commercial, business development or strategic growth role and is based within easy commuting distance of London or the Home Counties.

The Role – Business Development & Commercial Growth

You will be responsible for identifying and delivering growth opportunities through M&A activity, commercial partnerships, contract acquisition and tender submissions across the private security market.

Key Responsibilities

* Leading M&A strategy and transactions from opportunity identification through negotiation and integration

* Identifying, pursuing and securing new commercial security contracts

* Managing business development activities across guarding, close protection and security services

* Building and maintaining senior-level relationships with clients, partners and acquisition targets

* Leading tendering, bid writing and procurement processes end-to-end

* Conducting market research, commercial analysis and financial assessments

* Preparing and presenting business cases and growth strategies to senior stakeholders

* Supporting wider commercial initiatives to increase revenue and market share

About You

* Background in the military, police or private security sector

* Currently operating in a Business Development Manager, Commercial Manager or Strategic Growth role

* Demonstrable experience delivering successful M&A transactions

* Proven track record in business development, commercial management and contract negotiation

* Experience within security services, facilities management or related professional services (desirable)

* Strong financial, commercial and analytical skills

* Degree educated (Business, Finance, Economics or similar)

* Experience with tenders, bids, procurement or framework agreements (highly desirable)

* Excellent communication, negotiation and stakeholder management skills

* UK-based, with regular travel to London and occasional international travel