App Development Company

ACS

UK developer of bespoke enterprise software, CRM systems, customer portals and Microsoft Power Platform apps

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About ACS

Bespoke software from first line to launch

ACS describes itself as a bespoke software house that has been building business software for more than eleven years. Its development team works on projects ranging from entirely new platforms to systems that connect several existing ones. Clients range from enterprise businesses to start-ups. The company works in an agile and collaborative way and says it builds long-term partnerships, so that each platform can be supported after launch.

Power Platform, CRM and portals

The services cover bespoke business applications, custom CRM systems and customer portal software. ACS also builds mobile applications and works with the Microsoft Power Platform, including Power BI reporting and Power Apps. Its site says it takes on and recovers troubled software projects, and it offers system integration so that separate systems can share their data.

Sectors from sport to health

The site cites work across a wide range of sectors. It mentions a sports governing body, a social gaming framework with a large user base, and a fundraising site built around the official song of a World Cup. In health it describes an occupational health referral system used by large companies, and NHS cost reductions achieved by work for several trusts. Other examples include property inventory software, asbestos risk management software, a bespoke CRM for a funeral plan provider, and a platform used by tens of thousands of online members.

Accreditations and delivery

ACS holds Cyber Essentials certification and ISO 9001 certification, which the site presents as evidence of its security and quality management. The company is based in the United Kingdom and describes its approach as built on reliable platforms that clients can depend on over time.

TrustList summary

ACS is a UK software house that has built bespoke business software for more than 11 years. It develops new platforms from scratch and links existing systems together, working in an agile way with long-term support. Its clients range from startups to enterprise firms.

What ACS does

Bespoke business applications: custom enterprise software built to a client's processes.
CRM systems and customer portals: tailored CRM builds and self-service portals.
Mobile app development: apps for phones and tablets.
Microsoft Power Platform: Power BI reporting and Power Apps builds.
System integration: connecting separate systems so data flows between them.
Project recovery: taking over and rescuing troubled software projects.

Who it serves

ACS cites work in sport, including FIFA and the Common Goal platform, gaming such as Angry Birds, health (NHS trusts and occupational health referrals), property inventory, asbestos risk management and a funeral plan provider.

Key facts

Based in: UK
Experience: Over 11 years building bespoke software
Certifications: Cyber Essentials and ISO 9001

Summary written by TrustList from the business's own published information, Nov 2026.

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Categories & features

ACS rankings

ACS is ranked on 6 TrustList rankings: #1 on 1, #2 on 1, #3 on 1, #6 on 1, #16 on 1 and #28 on 1.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. ACS has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

App development company · 6 rankings

#1of 32
Gaming
It is one of 2 here listing CRM and one of 3 here listing property.
Its profile: “It mentions a sports governing body, a social gaming framework with a large user base, and a fundraising site built around the official song of a World Cup.”
Of the 32 here, 37 also cover eCommerce and 36 also cover information technology; 4 also work in London and 3 also work in Nice.
Behind Bitscorp, ahead of DxMinds Innovation Labs Pvt Ltd.
#2of 123
Crm
It is one of 2 here listing gaming and one of 7 here listing agile.
Its profile: “The services cover bespoke business applications, custom CRM systems and customer portal software.”
Of the top 77 here, 29 also cover android and 23 also cover business services; 3 also work in Africa and 2 also work in Jaipur.
Behind Bitcube, ahead of Giant Digital.
#3of 302
United kingdom
It is one of 7 here listing supply chain, logistics, and transport and one of 12 here listing arts, entertainment & music.
Its profile: “The company is based in the United Kingdom and describes its approach as built on reliable platforms that clients can depend on over time.”
Of the top 89 here, 39 also cover mobile app development and 38 also cover web development; 4 also work in Wales and 3 also work in Dubai.
Ahead of Sugar Rush Creative.
#6of 27
Property
It is the only one of the 27 here listing non profit and one of 8 here listing hospitality & leisure.
Its profile: “Other examples include property inventory software, asbestos risk management software, a bespoke CRM for a funeral plan provider, and a platform used by tens of thousands of online members.”
Of the 27 here, 19 also cover medical and 15 also cover creative; 3 also work in United States and 2 also work in Reading.
Behind Insight IT, ahead of AppcodeMonster.
#16of 97
Real estate
It is one of 43 here listing education and one of 44 here listing financial services.
Of the top 94 here, 44 also cover financial services and 43 also cover education; 7 also work in Ahmedabad and 2 also work in Bengaluru, India.
Behind Accubits Technologies Inc, ahead of Aims Infosoft.
#28of 230
Agile
It is one of 12 here listing real estate and one of 31 here listing business services.
Its profile: “The company works in an agile and collaborative way and says it builds long-term partnerships, so that each platform can be supported after launch.”
Of the top 94 here, 3 also work in Delhi NCR and 2 also work in Mumbai.
Behind 404 // Software crafters, ahead of Aculance.