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4i Water Services Ltd

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 5.0 out of 5 based on 8 reviews and feedback
Trusted Trader since 2025
4i Water Services Ltd
Unit 17 Woolpit Business Park, Windmill Ave.
Woolpit
IP30 9UP
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Business Information

At 4i Water Services, we provide the complete solution for all of your commercial water treatment requirements, from initial assessment and testing to full disinfection and mechanical works. Taking a customer-focused approach and with a passion for accuracy, we work closely with clients across a range of industries to deliver pure and safe water more efficiently and effectively.

We provide safe water services to a number of clients ranging from private and NHS healthcare facilities to plant nurseries, food production factories, animal husbandry, schools and construction projects.

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Reviews and Feedback

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5.0 out of 5 based on 8 reviews.
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review stars review stars review stars review stars review stars   11th September 2026
Value of Products/Services or Work Performed: £1001 - £5000
Ratings
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Review Comments
4i Water Services were invited to site to undertake two feasibility studies to support future improvements to our water treatment and environmental management processes. These studies included an assessment of the potential implementation of a chlorine dioxide wash system and a comprehensive review of options for the upgrade of the Effluent Treatment Plant (ETP).

In addition to these projects, 4i Water Services completed a detailed and comprehensive Water Risk Assessment for the business. Having reviewed similar assessments completed by other providers, I found the approach taken by 4i Water Services to be particularly professional and thorough. Their team demonstrated a strong level of technical expertise, conducted the assessment in a structured and methodical manner, and produced a well-written report that was both informative and practical. The final document clearly identified key risks, provided detailed recommendations, and presented the findings in a format that was easy to understand and act upon.

Furthermore, 4i Water Services have been engaged to carry out routine water sampling and analysis from our surface water drainage network. Their service has consistently proved to be cost-effective, offering excellent value while maintaining high professional standards. The turnaround time for sample collection, laboratory analysis, and reporting is exceptionally efficient, enabling timely decision-making and ensuring compliance with environmental and regulatory requirements.

Overall, experience with 4i Water Services has been very positive. They have demonstrated professionalism, technical competence, responsiveness, and a strong commitment to delivering high-quality work. Their expertise and support have provided valuable insight into our water management processes and have helped identify opportunities for operational and environmental improvement.
review stars review stars review stars review stars review stars   11th September 2026
Value of Products/Services or Work Performed: £25,000+
Ratings
review stars review stars review stars review stars review stars   Value for money
review stars review stars review stars review stars review stars   Customer service or reliability
review stars review stars review stars review stars review stars   Quality of service or product
review stars review stars review stars review stars review stars   Likelihood to use again or recommend
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Review Comments
i Water Services designed, installed, and commissioned a complete borehole water treatment system for our site, and the service from start to finish was exceptional. Their team took the time to understand our requirements, carried out a thorough assessment of the borehole water quality, and delivered a bespoke treatment solution that has consistently provided reliable, high-quality water ever since.

The installation was completed professionally, on time, and with minimal disruption to our operations. The attention to detail, technical expertise, and communication throughout the project gave us complete confidence that the system was being delivered to the highest standards.

What really sets 4i Water Services apart is their ongoing maintenance and support. They proactively monitor and service the system, ensuring everything remains compliant, efficient, and operating at peak performance. Any queries are dealt with quickly, and their engineers are always knowledgeable, courteous, and willing to help.

Having a trusted partner looking after such a critical asset gives us real peace of mind. I would have no hesitation in recommending 4i Water Services to anyone looking for a professional borehole treatment specialist and long-term water management partner.
review stars review stars review stars review stars review stars   11th September 2026
Value of Products/Services or Work Performed: £25,000+
Ratings
review stars review stars review stars review stars review stars   Value for money
review stars review stars review stars review stars review stars   Customer service or reliability
review stars review stars review stars review stars review stars   Quality of service or product
review stars review stars review stars review stars review stars   Likelihood to use again or recommend
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Review Comments
We have been very pleased with the service and support provided by 4i Water across our site.

Their team has successfully completed a range of important water hygiene and water treatment works, including the replacement of our UV unit, sitewide cold-water storage tank replacement, and both planned and reactive support in relation to water hygiene. They have also provided ongoing closed-system treatment and maintenance.

Throughout the works, 4i Water have demonstrated a high level of professionalism, technical knowledge and responsiveness. Their team have been reliable, efficient and helpful, with clear communication from start to finish. Reactive issues have been dealt with promptly, while planned works have been well organised and completed to a high standard.

We would have no hesitation in recommending 4i Water. They provide a professional and dependable service, and we are very happy with the quality of work and ongoing support they have provided at our site.
review stars review stars review stars review stars review stars   2nd September 2025
Value of Products/Services or Work Performed: £25,000+
Ratings
review stars review stars review stars review stars review stars   Value for money
review stars review stars review stars review stars review stars   Customer service or reliability
review stars review stars review stars review stars review stars   Quality of service or product
review stars review stars review stars review stars review stars   Likelihood to use again or recommend
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Review Comments
- Water Hygiene PPM
- Nitrate Filter Installation + Testing
- Softener Installation + Testing
- Boreholes
- Remedial Works
- Gas Safe
- Oftec
- Mechanical Installations

Review Image 1 for 4i Water Services Ltd Review Image 2 for 4i Water Services Ltd 
review stars review stars review stars review stars review stars   3rd July 2025
Value of Products/Services or Work Performed: £25,000+
Ratings
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Review Comments
Worked with 4i Water Services for 11+ years. They provide biocidal controls for our horticultural water systems. Excellent workmanship from start to finish during installation alongside the customer service over the years that has been exceptional. Highly recommended.

Review Image 1 for 4i Water Services Ltd 
review stars review stars review stars review stars review stars   5th February 2025
Value of Products/Services or Work Performed: £1001 - £5000
Ratings
review stars review stars review stars review stars review stars   Value for money
review stars review stars review stars review stars review stars   Customer service or reliability
review stars review stars review stars review stars review stars   Quality of service or product
review stars review stars review stars review stars review stars   Likelihood to use again or recommend
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Review Comments
I have found working with 4i to be very straightforward in a challenging and sometimes difficult environment. I am always able to get in touch with Jenny and Nik who are both extremely helpful.

review stars review stars review stars review stars review stars   5th February 2025
Value of Products/Services or Work Performed: £1001 - £5000
Ratings
review stars review stars review stars review stars review stars   Value for money
review stars review stars review stars review stars review stars   Customer service or reliability
review stars review stars review stars review stars review stars   Quality of service or product
review stars review stars review stars review stars review stars   Likelihood to use again or recommend
Overall Rating  review stars review stars review stars review stars review stars
Review Comments
All works carried professionally from start to finish.

review stars review stars review stars review stars review stars   5th February 2025
Value of Products/Services or Work Performed: £1001 - £5000
Ratings
review stars review stars review stars review stars review stars   Value for money
review stars review stars review stars review stars review stars   Customer service or reliability
review stars review stars review stars review stars review stars   Quality of service or product
review stars review stars review stars review stars review stars   Likelihood to use again or recommend
Overall Rating  review stars review stars review stars review stars review stars
Review Comments
Working with 4i Water Services is so easy and has removed a lot of the stress from arranging our Legionella testing and servicing across our sites.
They turn up when they say they will, are friendly, efficient and professional when on site and everyone I have asked is very happy with the service we are receiving.