Commercial Assistant

United Infrastructure is a dynamic and rapidly expanding business, focused on delivering critical infrastructure projects, across the utility and social infrastructure sectors.

Our team of highly skilled and hardworking specialists deliver innovative solutions to the complex challenges our clients face.

Our company is split into two business areas:

Utility Infrastructure –

Our team of Utility Infrastructure specialists design, build and maintain critical water, energy (gas), power and telecoms infrastructure, for the UK’s largest network owners and operators. 

Social Infrastructure -

Our team of Social Infrastructure specialists revitalise homes and communities by carrying out a wide range of work, from retrofit to refurbishment, and maintenance.  

Equal Opportunities Statement - At United Infrastructure, we are committed to making every interaction a positive and inclusive experience. If there is anything we can do to support you, remove barriers, or make the process more accessible, please let us know — we want this to be the best possible experience for you.

Location: Hemel Hempstead (with travel to sites as required)
Job Type: Permanent, Full-time
Salary: Competitive (depending on experience)

About the Role

We are looking for a commercially aware and motivated Commercial Assistant to join our growing team. This is a great opportunity to support the delivery of a variety of projects, comprising a mix of Planned, Voids & refurbishment contracts within the social housing sector, while developing your career in a fast-paced environment.

In this role, you will support the Commercial lead and wider project team to ensure projects are delivered on time, within budget, and to the required standards. You will play a key part in managing financial processes, supporting reporting, and maintaining strong commercial control across projects.

This role is well-suited to someone with a background in either commercial or finance who is looking to develop their career within a commercial function.

About Us

United Infrastructure delivers essential infrastructure services across utilities and social infrastructure, supporting some of the UK’s largest network operators and housing providers.

Social Infrastructure & PiLON are both part of the United Infrastructure Group, which specialises in planned maintenance, refurbishment, and repairs within the social housing sector. With over 20 years of experience, we are known for delivering quality work with care and respect for the communities we serve.

Key Responsibilities

• Support the Commercial Lead and project teams to deliver projects on time and within budget

• Assist with the commercial management of projects to maximise value and performance

• Support the preparation and submission of monthly applications

• Price new work orders using the pre-agreed pricing structure (for example, using NHF pricing Schedule)

• Assist with forecasting and monitoring project costs

• Ensure projects comply with contractual, legal, and quality requirements

• Prepare and contribute to monthly commercial reports, cash flow forecasts, and budgets

• Support supply chain management and subcontractor coordination

What We’re Looking For

• Minimum 2 years’ experience in a similar Commercial Assistant or finance-related role

• A background in accounting or finance is desirable

• Strong organisational skills with close attention to detail

• Good communication and interpersonal skills

• Ability to build effective working relationships

• Confident in influencing and negotiating where required

• Ability to work to deadlines and manage competing priorities

• Proactive and methodical approach to work

Qualifications

• Qualification in Finance, Accounting, Quantity Surveying, or a related field (desirable)

Why work with us? Here are some of the brilliant benefits you could get:

• 23 days of holiday per year, excluding Bank Holidays (+ get more days with length of service)

• Up to £2,000 reward for successful recommendations as part of our referral scheme

• Significant savings on daily shopping through our benefits portal

• A welcoming office, snacks, beverages, friendly colleagues and team socials throughout the year

• A supportive culture and a great team with exceptional talent and experience

• Trained Mental Health First Aiders support

• Annual training budget so you can focus on your personal and professional development and much more… 

Join us at United Infrastructure and be part of our mission to deliver innovative and sustainable solutions to the complex infrastructure needs of the UK.