Abacus Architects
Abacus Architects is a Wisconsin-based architectural design firm providing residential, commercial, and manufacturing/data center architecture services from four regional offices. It serves homeowners, businesses, and institutional clients across Wisconsin via a project-based, relationship-led services model with in-house civil engineering and interior design.
- Company typePrivate
- Founded2003
- HeadquartersSheboygan, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Abacus Architects does
Abacus Architects is a privately-held architectural design firm founded in 2003 and headquartered in Sheboygan, Wisconsin. The firm provides architectural design, project management, and construction administration services across three sectors: residential (its primary segment, with a focus on high-end custom homes, additions, and renovations); commercial (including restaurants, offices, and retail spaces); and manufacturing and data centers (industrial and digital infrastructure design). The firm operates from four Wisconsin offices — Sheboygan, Manitowoc, Milwaukee, and Burlington (Racine County) — with in-house civil engineering and interior design capabilities supporting broad project-type expertise.
The firm operates a services business model with one-time, project-based fees quoted per engagement rather than per-seat or subscription pricing. Client acquisition is built on direct enterprise-style engagement (personal attention, listening to client vision, agile response) supported by digital channels: organic social presence on Facebook, Instagram, LinkedIn, and Twitter/X, and a HubSpot online scheduler that converts website visitors into consultation calls. Distribution is regional, with each Wisconsin office serving its surrounding market under a unified brand, single phone number, and what the firm calls a "Relational Architecture" philosophy.
Current operational evidence shows a healthy project pipeline of more than a dozen active engagements — including residential builds, townhomes, school additions, an outdoor classroom, a restaurant, and a family learning pavilion — across Wisconsin communities including Lake Geneva, Kohler, Delavan, Burlington, Sheboygan Falls, Williams Bay, and Oostburg. Leadership is provided by CEO Eric Halbur; ownership is private with no disclosed institutional investors, no funding history, no mergers or acquisitions, no patents, and no AI/ML technology stack. Public revenue figures are not disclosed.
Abacus Architects firmographics
Firmographics- Name
- Abacus Architects
- Legal name
- Abacus Architects Inc.
- Website
- https://abacusarchitects.net
- Company type
- Private
- Founded year
- 2003
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Abacus Architects is a Wisconsin-based architectural design firm providing residential, commercial, and manufacturing/data center architecture services from four regional offices. It serves homeowners, businesses, and institutional clients across Wisconsin via a project-based, relationship-led services model with in-house civil engineering and interior design.
- Ownership category
- akta.pro rank
Abacus Architects industry classification
Industry- Product category
- Architectural Services
- NAICS
- Architectural Services (54131), Interior Design Services (54141)
- SIC
- General Bldg Contractors - Residential Bldgs (1520)
- akta.pro primary industry
- Architectural Design Services (BPAHAKAA)
- akta.pro secondary industry
- Interior Design Services (BPAHAKAB)
Keywords
Where Abacus Architects is headquartered
LocationHeadquarters
- HQ city
- Sheboygan
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
Abacus Architects business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- Architecture and Design Services: One-time project-based fees for architectural design services across residential, commercial, manufacturing and data center sectors. Revenue generated through project contracts with personalized attention and agile delivery.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Pay-as-you-go | Custom project-based pricing |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels5 records
Abacus Architects product offering
Product offeringCore offering
Abacus Architects is a Wisconsin-based architecture firm founded in 2003 that provides full-service architectural design across residential, commercial, and manufacturing & data center sectors. The firm operates with in-house civil engineering and interior design capabilities, allowing it to deliver integrated design solutions under a 'Relational Architecture' philosophy that emphasizes client partnerships across the project lifecycle.
Product overview
Abacus Architects is an architecture firm providing design and project services across three main sectors: residential, commercial, and manufacturing & data centers. The firm operates on a 'Relational Architecture' philosophy emphasizing client relationships and agile delivery. Their service offering includes architectural design, project management, and construction administration across these sectors.
Differentiator
Problem solved
Functional benefit
Products and services
- Residential Architectural Design
Companies that use Abacus Architects
Customer profileNamed customers1 record
Segments3 records
Ideal customer profiles3 records
Abacus Architects technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Abacus Architects partnerships and signals
Strategic signalRecent moves5 records
Expansion highlights4 records
Abacus Architects competitors and assessment
Company assessmentDirect peers
- Kahler Slater: Milwaukee-based architecture, interior design, and planning firm serving corporate, healthcare, education, and hospitality clients across the Midwest. Directly comparable to Abacus as a Wisconsin-rooted, multi-sector architecture practice with integrated interior design and regional reach.
- Eppstein Uhen Architects (EUA): Wisconsin-headquartered architecture firm with offices in Milwaukee, Madison, and Denver offering design services across commercial, residential, education, and industrial markets. Closely comparable Midwest peer with overlapping sectors and similar regional multi-office structure to Abacus.
- Plunkett Raysich Architects: Wisconsin-based full-service architecture firm with offices in Milwaukee and Madison delivering workplace, healthcare, education, and senior living projects. Comparable to Abacus as a Wisconsin multi-office regional architecture practice serving diverse sectors.
- Zimmerman Architectural Studios: Milwaukee-based architecture, interior design, and planning firm serving commercial, healthcare, education, and religious markets in Wisconsin and the upper Midwest. Direct peer given overlapping Wisconsin presence and integrated architecture-plus-interiors service model mirroring Abacus.
- HGA (Hammel, Green and Abrahamson): Minnesota-headquartered national architecture, engineering, and planning firm with strong Midwest roots and integrated interior design. Comparable to Abacus for multi-sector practice (civic, healthcare, higher education, corporate) and combined architecture + in-house interiors model.
- Legat Architects: Midwest architecture firm founded in Illinois with offices serving K-12, higher education, and municipal clients. Direct regional peer to Abacus given shared focus on education/institutional work and similar firm-size architecture practice operating in the upper Midwest.
Broad incumbents
- SmithGroup: Large US architecture, engineering, and planning firm delivering higher education, healthcare, science & technology, and workplace projects nationwide. Comparable to Abacus for sector mix (data center/industrial, higher education, commercial) but at vastly larger scale and broader geography.
- HDR Architects: Global architecture and engineering firm with a strong data center, healthcare, and advanced industrial practice. Directly relevant peer to Abacus for the manufacturing & data center architecture segment, though HDR operates at significantly larger scale and broader footprint.
- Gensler: Largest global architecture and design firm serving commercial, hospitality, retail, and workplace clients. Comparable to Abacus on commercial and hospitality sub-sectors and on integrated architecture + interiors offering, though operating at vastly larger scale and geography.
- HOK: Global architecture, planning, and design firm with practices in healthcare, education, science & technology, and aviation. Relevant incumbent peer to Abacus given overlapping sectors (institutional, manufacturing/data center adjacent) though at significantly larger scale and broader footprint.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat3 records
Key risks5 records
Key highlights7 records
Customer concentration
Abacus Architects social profiles
Digital presenceAbacus Architects financial estimates
Financial estimateRevenue estimate
Valuation estimate
Abacus Architects leadership team
Management profileNumber of profiles
Profiles1 record
Abacus Architects funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Abacus Architects M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Abacus Architects
What does Abacus Architects do?
Abacus Architects is a Wisconsin-based architecture firm founded in 2003 that provides full-service architectural design across residential, commercial, and manufacturing & data center sectors. The firm operates with in-house civil engineering and interior design capabilities, allowing it to deliver integrated design solutions under a 'Relational Architecture' philosophy that emphasizes client partnerships across the project lifecycle.
Is Abacus Architects a public or private company?
Abacus Architects is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Abacus Architects founded?
Abacus Architects was founded in 2003. It employs 11 to 50 people.
Where is Abacus Architects based?
Abacus Architects is headquartered in Sheboygan, United States, in the North America region.
How does Abacus Architects make money?
One revenue line is on record: architecture and Design Services.
Who are Abacus Architects's main competitors?
Direct peers on record are Kahler Slater, Eppstein Uhen Architects (EUA), Plunkett Raysich Architects, Zimmerman Architectural Studios, HGA (Hammel, Green and Abrahamson) and Legat Architects. Broad incumbents are SmithGroup, HDR Architects, Gensler and HOK.
Does Abacus Architects have an API?
No public API is recorded for Abacus Architects.
What industry is Abacus Architects in?
Abacus Architects's product category is Architectural Services. Its primary akta.pro industry code is BPAHAKAA, Architectural Design Services, with a secondary code of BPAHAKAB, Interior Design Services. Its NAICS code is 54131 and its SIC code is 1520.