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Why AE firms switch from Deltek to Unanet

AE firms don’t replace their ERP casually. The ones who switch from Deltek Vantagepoint to Unanet are usually outgrowing a legacy system that’s harder to use, harder to administer, and slower to evolve than their business. That means faster time to value and fewer day-to-day headaches for your teams.

It’s a question we hear all the time from AE customers and prospects comparing Unanet and Deltek, and we welcome the comparison—because the strongest proof comes from firms that have already made the move. Take a closer look at why so many of Unanet’s AE customers have switched from Deltek.

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Overall Scores Small Firm Scores Medium Firm Scores
Customer Satisfaction

Unanet ERP AE vs Deltek Vantagepoint

According to G2’s Spring 2026 Project-Based ERP reports, AE firms give Unanet ERP AE a 4.1/5 overall rating, with strong scores for Likelihood to Recommend and Ease of Doing Business. This comparison highlights how customers rate Unanet versus Deltek Vantagepoint on usability, ease of administration, support, and user adoption, based on hundreds of verified G2 reviews.

G2 Awards

Unanet ERP AE: an award winning experience

Unanet ERP AE consistently receives G2 awards for customer satisfaction and performance.

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Customer Success

Hear from some of the AE firms that have made the switch

Select a customer logo below to learn how they successfully made the switch.
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NewFields
Instead of creating friction, Unanet ERP AE has become a cultural rallying point within the firm. People see how data is going to be easier to find and they’re fired up about that. It’s harmony.
Eric Salnas
CPA, Chief Financial Officer, NewFields
Case Study

NewFields Leaves their Legacy ERP and Finds Greener Pastures with Unanet’s Modern Solution

See how Unanet helped NewFields leave their legacy ERP behind.

Read More

ISG
We’re able to do more with the same number of people. In that sense, we’re seeing strong return on our ERP investment. As quickly as we’ve been growing, Unanet ERP AE has scaled with us, enabling us to automate workflows and integrate other business apps easily.
Alec Pfeffer
Director of Finance and Accounting at ISG
Case Study

ISG is Building the Dream with a Lightning-Fast ERP Implementation to Run Leaner and Smarter

See how Unanet helped NewFields leave their legacy ERP behind.

Read More

Hixson
The cost structure was appealing, and we saw a lot of flexibility and customization opportunities with the Unanet ERP AE solution. We also felt very comfortable with the Unanet team.
Christian Fasso
Billing Manager and Project Accountant, Hixson
Case Study

Ten Years On, Hixson’s ERP Solution Keeps on Giving

A forced ERP decision proves fruitful for Hixson.

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WAREHAUS
We, like many of our peers and competitors, believed that staying with our status quo software was best. However, it’s not, and we are confident that switching to Unanet is the smartest move for our business.
David Koratich
Chief Operating Officer, Warehaus
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Albert Kahn
Unanet’s easy-to-use, project-based solutions will not only help us manage staff and shifting resources on current projects, it will also support our teams in executing our firm’s business strategy. Once the ERP is fully integrated with CRM, we’ll have the ability to oversee our aggressive growth trajectory and to capitalize on opportunities we may never have uncovered in the first place.
Alan Cobb
CEO and chairman of the board, Albert Kahn
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Eichleay
We value long-term partnerships and took a thoughtful and deliberate approach to finding a new solution that we could grow with for several decades. We were impressed by Unanet’s personal commitment from their leadership team to assist in our transition, and we continue to be impressed by the team’s customer service and responsiveness. They are committed to our success.
George Eichleay
Eichleay CEO
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Unanet by the Numbers

45%

of Unanet’s AE customers chose to switch away from Deltek

73%

Win rate when Unanet goes head-to-head with Deltek in vying for an ERP customer’s business

30+

Years experience delivering business management software solutions designed specifically for AE firms

Blog Article

For AE Firms, the Case for Switching to Unanet Grows Stronger

A growing number of architecture and engineering (AE) firms are choosing to abandon legacy software...
Read More
Because of Unanet AE’s innovative platform, we now run faster and more nimbly
Alec Pfeffer.
Director of Finance and Accounting at ISG

Frequently asked questions

AE firms typically switch when they’ve outgrown legacy software that’s harder to use, harder to administer, and slower to evolve than their business. Firms like NewFields, ISG, Hixson, Warehaus, Albert Kahn, and Eichleay have chosen Unanet for a more modern, project-based platform and a partner that listens and supports their growth. Many of Unanet’s AE customers have also specifically moved away from Deltek, with 45% of AE customers choosing to switch from Deltek to Unanet.

According to the G2 comparison highlighted on this page, Unanet ERP AE consistently outperforms Deltek Vantagepoint across key satisfaction metrics, including quality of support, ease of setup, ease of administration, ease of use, and overall product direction. These higher ratings from verified G2 reviewers reflect a better day-to-day experience for AE firms that have switched to Unanet.

Most AE firms moving from Deltek to Unanet ERP AE should plan for an implementation measured in months, not years. For a typical small to mid-sized firm with a fairly standard Deltek setup and a manageable number of integrations, it’s realistic to expect a timeline in the low single-digit months from project kickoff to go-live, assuming you can keep an internal project team engaged. Larger, multi-office firms with more complex data and integrations may run longer, but the heavy lift is still concentrated in a defined project window rather than an open-ended rollout.

Customer stories on this page reinforce that picture: ISG, for example, describes a “lightning-fast ERP implementation” that let them do more with the same number of people while automating workflows and integrations and scaling with their growth.

Unanet typically structures implementations into clear phases—discovery, configuration, data migration, testing, and go-live—guided by a team that has moved many AE firms off legacy Deltek systems, which helps keep the project on a predictable schedule.

Switching ERPs doesn’t have to mean chaos. AE firms that have moved from Deltek to Unanet say the change has actually reduced friction in their business rather than creating it. NewFields, for example, describes Unanet ERP AE as a “cultural rallying point” where people can finally find data easily instead of fighting the system.

While any migration requires planning, Unanet’s experience moving firms off Deltek and the positive outcomes customers report suggest that, with a structured implementation, you can minimize disruption and protect your project and financial data.

AE firms that have switched to Unanet consistently talk about the strength of the support and partnership they get after they go live.

Hixson highlights how flexible the solution is and how comfortable they felt working with the Unanet team.

Warehaus calls moving to Unanet “the smartest move” for their business.

Eichleay points to Unanet’s personal commitment, customer service, and responsiveness as key reasons they chose the platform for the long term.

Taken together, these stories show that firms can expect hands-on onboarding, practical training, and an ongoing, responsive partner well beyond implementation.

Many small and mid-sized AE firms find Unanet ERP AE a better long-term fit than legacy options like Deltek Vantagepoint. Unanet earns higher marks from these firms on practical day-to-day factors such as ease of setup, ease of administration, quality of support, and overall usability.

When you add in that a large share of Unanet’s AE customers have already switched away from Deltek, and that Unanet wins a strong majority of head-to-head evaluations, it reinforces Unanet as a smarter choice for firms that want a modern, future-ready ERP.

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