The Omega Group (Operations) Limited is a UKAS accredited testing laboratory No. 7644.
Aerial view of a motorway viaduct under construction at sunset, with a tower crane beside the new piers.

Independent concrete testing laboratoryEstablished 2010

Concrete testing on site and in the laboratory

Join thousands of clients who trust our UKAS-accredited* site and laboratory construction testing services to get accurate results backed by unparalleled client support.

* For a full list of our UKAS-accredited activities, see our UKAS accreditation page.

  • UKAS accredited testing laboratory
  • Same-day PDF test reports
  • UK-wide cube collection
  • 1,425+ live clients
Experience includes
  • HS2
  • Network Rail
  • Sizewell B/C
  • Hinkley Point
  • Heathrow
  • Gatwick
  • Luton
  • Birmingham
  • M1
  • A14
  • Ministry of Defence
  • NHS
  • Barratt
  • Davidsons Homes
  • Taylor Wimpey
  • Persimmon
  • Ferrybridge
  • Drax
  • The Shard
Working with
  • Network Rail
  • Keller
  • Mace
  • Bouygues
  • Edf Energy
  • Tarmac Industries
  • Aggregate
  • Mapei
  • Eiffage Group
  • Keltbray
  • Aarsleff
  • Hydrock
We Become An Extension Of Your Team

We collaborate with both small local contractors and major global construction firms.

The Omega Group opened in 2010 and is a trusted and established company specialising in concrete testing, materials testing, training and investigation services, with our laboratories strategically located in the Midlands.

Our site and laboratory services are carried out by highly skilled technicians and backed by a dedicated and responsive client support team who is committed to delivering exceptional customer service and support. With Omega, you can be confident that you're in safe hands.

1,425+Live Clients
525,000+Cube Samples Crushed
65+Years Combined Service
No. 7644UKAS accredited testing laboratory
An Omega technician in orange workwear and a white hard hat on site.

We offer exceptional customer support and deliver precise, quality-assured concrete testing services.

  • UKAS Accredited Testing*
  • Same-Day Cube Test Reporting
  • Competitive Low Pricing
  • Independent Test Laboratory
  • CSCS Accredited Technicians
  • Quality End Product
Independent Laboratory Testing

An ever-growing range of quality assured testing services

The Omega Group offers comprehensive site and laboratory testing services for the civil engineering and construction sectors. From fresh and hardened concrete testing and investigation to materials testing and cube manufacture training. If you're unsure about the type of testing you need, call our friendly team to get the answers you need quickly.

Swipe for all services

A concrete technician, dressed in orange safety clothing and a hard helmet, is collecting fresh concrete from the hopper and chute of a concrete mixer at a construction site.

Onsite Concrete Testing

Trusted UKAS-accredited fresh concrete testing, slump cone testing, and cube manufacture completed by highly-skilled CSCS-certified technicians.

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An Omega collection van on the motorway.

Concrete Cube Collection

Nationwide collection of hardened concrete cube samples from any construction project or site. Safe transportation to our Daventry test laboratory.

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A steel compressive testing machine compresses a 100mm concrete cube until failure.

Concrete Cube Testing

UKAS-accredited strength testing of concrete cubes & state-of-the-art water curing. Detailed analysis and PDF test report issued on the same day as cube crushing.

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A trained concrete trainer, dressed in an orange boiler suit and a white hard hat, instructs delegates on how to use fresh concrete to create high-quality cube samples.

Concrete & Cube Making Training

Train your workforce on site to sample fresh concrete, slump cone test, and correctly make and cure solid cube samples. Training in line with British Standards.

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A wall-mounted diamond core drill cutting into concrete.

Diamond Drilling And Core Cutting

Using high-quality diamond-tipped core barrels, we can accurately and safely cut holes of various diameters and depths for compressive testing and analysis.

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A Proceq Schmidt Rebound Hammer and a smartphone displaying instant kN readings from impacts on an app.

Schmidt Rebound Hammer Survey

Schmidt hammer testing is a non-destructive test method used to assess the strength of concrete structures in situ, followed by an official PDF test report.

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Aggregate passing through a laboratory test sieve.

Particle Size Distribution PSD

PSD tests evaluate whether your materials meet specified standards by analysing the particle size distribution, ensuring they are fit for purpose.

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A blue industrial CreteAngle mixer with a large 113-litre metal bowl.

Laboratory Trial Mixes

Based on your mix designs, we can carry out independent concrete trial mixes using calibrated equipment in our fully equipped materials laboratory.

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A stainless steel feeler gauge set, partially fanned out, shows various thickness measurements in millimetres.

Steel Mould Calibration Service

Maintain your 100mm and 150mm steel cube moulds in excellent condition with our quick turnaround deep cleaning and in-house calibration service.

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In-House Recording Technology

Cube Test Video Recording and Photography

We record high-definition video and photographs of each compressive cube test. As continuous pressure is applied to the cube sample, live information, such as load (kN), stress (MPa), and time (s), can be viewed in real-time.

  • Load, stress and time shown live
  • HD video and photographs of every test
  • PDF report on the day of the test
  • Every cube numbered and tracked

View an example of a cube test video

  • A technician measures a concrete cube with digital callipers on a surface plate.Measured
  • A concrete cube on a laboratory balance.Weighed
  • Tested concrete cubes, stamped with their sample numbers, after crushing.Tested
A numbered concrete cube on the lower platen of a compression testing machine, ready for test. REC Loading
Load432.4kN
Stress43.2MPa
Time154.25s
Peak load432.4kN
Time (s)Stress (MPa)
Illustrative read-out. Play the video for a recorded test.
UK-Wide Cube Collection

We offer nationwide collection, conducting weekly runs across the UK

We can collect your cube samples based on your project schedule. This can be regular or on a call-off basis.

Daventry laboratory
An Omega collection van on the motorway.
Weekly runs. Insured technicians. Straight to our Daventry laboratory.
  1. Monday
    • North East
    • Yorkshire & The Humber
    • East Midlands
    • North West
    • West Midlands
  2. Tuesday
    • North West
    • West Midlands
    • London
  3. Wednesday
    • London
  4. Thursday
    • East of England
    • South Central
  5. Friday
    • East of England

Not on a weekly run? We arrange specific collections as needed.

Omega technicians in orange workwear on a construction site.
Equipped to handle the largest concrete pours

We offer a full range of fresh, on-site concrete testing services

We deliver a comprehensive suite of quality-assured, fresh on-site concrete testing services, ensuring accuracy and reliability for every project uk-wide.

  • Slump Testing:BS EN 12350-2:2019.
  • Air Testing:BS EN 12350-7:2019.
  • Fibre Washout Test:BS EN 14721:2005+A1:2007.
  • Slump Flow:BS EN 12350-8:2019.
  • Flow Table:BS EN 12350-5:2019.
  • Bauer:In-House Method.
  • L-Box:BS EN 12350-10:2010.
  • Cube Making:BS EN 12390-2:2019.
  • QA Tracking:Ensure all RMC deliveries are tracked and checked.
Worker in orange safety gear and white helmet operating a scanner ahead of diamond drilling.
Hardened Concrete Testing

Diamond Drilling & Concrete Coring Services

The Omega Group have the capabilities and experience to cover a wide range of drilling jobs and cut through the toughest reinforced concrete and rebar with precision, using diamond-tipped core drill bits attached to state-of-the-art rotary drilling equipment.

  • C.A.T Scanning:Ensure there are no buried utilities before drilling starts.
  • Schmidt Rebound Hammer:Survey and report included as standard.
  • Vaccum Suction:We attach to any surface without using anchor bolts.
  • Confined Spaces:Portable equipment for all diamond drilling needs.
  • Water Cooling:Minimal dust and heat output due to water cooling.
  • Reinstatement:Fill the cylindrical voids with a specified concrete mix.
Testimonials

What our valued clients say

Your thoughts help to shape our company We'd love to hear from you! Share your comments on our feedback form or on Google

You have all done a fantastic job from start to finish

I just wanted to say a personal thank you to everyone at The Omega Group who has been involved in our Gladstone Dock project. You have all done a fantastic job from start to finish. Your professionalism, quick response times, and willingness to go the extra mile have made a real difference to the success of this project. It has been greatly appreciated by both myself and the whole team. Thank you once again for all your hard work and support over the last 16 months. It's been a pleasure working with you all, and I look forward to working with you again on future projects.

Gus Kozikas Slipform Engineering Ltd

They Continue to Deliver Great Service

We've been using Omega for concrete testing for over a year. They deliver great service with punctual sample collection, quick test reports, and fantastic customer service...

David Ponting Cullimores Group

Worked with Omega for Nearly Ten Years Now

We have worked with Omega for over ten years and use them on all of our wind turbine projects. I'm always impressed with their professionalism and level of service...

Colin Lockwood Windcare Limited
Very Competitive Pricing

Do you offer cheap concrete testing?

No, we don't, however, we provide affordable, high-quality testing solutions comparable to or cheaper than other testing companies or UKAS-accredited laboratories. We don't have any hidden fees either. The price we quote is the price you pay.

If you have any questions, our friendly team is here to help and can provide the answers you need. You can also check our FAQ for more information. It may have the answers you seek.

Nine grey concrete cubes resting on top of steel cube moulds in rows on a work surface in a lab.

Have any questions?

Explore our frequently asked questions or connect with our friendly team via live chat (bottom right), contact form, or by calling +44 1327 552077.