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BETTESWORTHConstruction

At-Risk vs. Agency Construction Management: Contract Types Explained

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Construction management contracts usually fall into two structures: agency construction management (CM as adviser) and construction management at risk (CMAR, CM/GC, or CM as constructor). Agency CM advises and coordinates while the owner generally holds the architect and trade contracts. CM at risk brings the constructor into design and preconstruction, then commonly has the CM hold trade contracts and take responsibility for construction performance. Neither model is automatically better; the right choice depends on who should control and contract with the trades, how much price certainty the owner needs, the desired schedule, and the owner’s ability to administer risk.

The comparison below reflects the contract patterns described by the AIA–AGC project-delivery primer, federal guidance, and public-sector procurement guidance. Individual agreements and local law can assign these responsibilities differently, so the signed contract—not the label alone—controls.

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At a glance

Name Best for Key spec Price / fee basis Checked
Agency CM (CM as adviser) Owners wanting direct control of trade contracts and the ability to manage them Owner generally contracts directly with architect and one or more trade contractors; CM advises and coordinates CM fee may be fixed, percentage-based, or hourly; final trade cost remains open until packages are procured November 2026
CM at risk (CMAR, CM/GC, CM as constructor) Owners needing early constructor input, potential design–construction overlap, and delegated construction responsibility CM advises during design and may become the constructor/general contractor, holding trade contracts and construction-performance risk GMP or another cost agreement is common; scope, contingencies, exclusions, and price-fixing date vary November 2026

“At risk” is not a universal pricing promise. A guaranteed maximum price (GMP) is common in CMAR, but the governing agreement must state exactly what risk is transferred and when the price becomes binding.

What is the difference between agency CM and CM at risk?

Agency CM is an owner-side management and advisory arrangement; CM at risk adds a constructor role and construction-performance responsibility. In agency CM, the owner usually signs and pays the trade contractors and carries their default, coordination, and cost exposure. In CMAR, the construction manager commonly becomes the general contractor or constructor, signs the trade contracts, and assumes the responsibilities assigned in the construction agreement.

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The names can be confusing because “CM at risk,” “CM/GC,” and “CM as constructor” are used differently by jurisdictions and contract families. The AIA–AGC CM-at-risk primer explains that “at risk” may refer to holding trade contracts and bearing performance risk, or may be used in connection with a cost guarantee. Read the agreement for the actual allocation.

Decision axis Agency CM / CM as adviser CM at risk / CMAR / CM/GC
CM’s basic role Professional manager, adviser, and coordinator; authority to represent or bind the owner is contract-specific Preconstruction adviser who may proceed as constructor or general contractor
Trade contracts Owner generally holds direct contracts with a single prime or multiple trade contractors CM commonly holds trade contracts after becoming the constructor; confirm local terminology and the agreement
Construction performance Owner retains the trade contractors’ performance and default exposure CM assumes the construction-performance duties assigned by the contract
Price arrangement Management fee can be lump sum, percentage, or hourly; total construction cost is established as trade work is let GMP or another cost agreement is common, but scope, timing, contingencies, and exclusions vary
Owner control Direct relationships with trades provide control but require owner-side administration Owner delegates construction administration while retaining a separate design relationship
Schedule Early or staged trade work can start when portions of design are ready Early constructor input and overlapping design and construction can support a compressed schedule

How does an agency construction-management contract work?

In agency CM, the construction manager works for the owner as a professional adviser and coordinator. The owner typically keeps the direct contractual relationships with the architect or engineer and with one or more prime or trade contractors. The Ohio Facilities Construction Commission manual describes this adviser role and the owner’s direct contracts.

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Typical sequence

  1. Define authority. The agreement states whether the CM may issue recommendations only, administer work on the owner’s behalf, or represent and bind the owner for specified decisions. Approval limits, change authority, and reporting duties should be explicit.
  2. Plan packages and procurement. The CM develops estimates, schedules, bid packages, scopes, and coordination procedures. Packages can be released in phases when design information is sufficiently complete.
  3. Owner executes trade contracts. The owner selects, signs, and pays each contractor. The CM coordinates interfaces, reviews progress, and reports problems, but does not automatically become the contractors’ contractual counterparty.
  4. Administer and close out. The CM supports payment reviews, schedule updates, quality coordination, commissioning, punch lists, and records. The owner remains responsible for decisions and for enforcing the trade agreements unless the contract delegates a specific power.

The Victorian Government’s procurement guidance describes the CM working directly for the client while each trade contract is between the client and the contractor. It states that the CM does not take cost or design risk and that the client takes the trade-contractor risk. That guidance lists fixed lump-sum, percentage-of-building-cost, and hourly fee structures as possible CM compensation methods; the actual form must state the basis and reimbursable expenses.

When agency CM can fit

  • The owner has an experienced project, commercial, and legal team that can administer several prime contracts.
  • Direct relationships with specialist trades are strategically important, such as in a complex operating facility or a rail corridor with staged access.
  • Construction must begin on ready portions before every design package is complete.
  • The owner wants to retain procurement decisions and interface control rather than delegate the constructor role.

Agency CM’s trade-offs

Direct control also means direct exposure. If a trade contractor defaults, submits a claim, misses a milestone, or fails to coordinate with another trade, the owner generally must manage the contractual response. A CM can identify and mitigate the problem, but the owner should not assume that advisory services transfer the underlying cost or performance risk. Budget forecasts can remain uncertain until enough trade packages are competed and awarded.

How does CM at risk work?

CM at risk starts during design with a construction manager providing estimating, constructability, phasing, scheduling, procurement, and market advice. The agreement may then transition the CM into the constructor or general-contractor role for the build. The owner normally has one contract with the architect and a separate contract with the CM; in the AIA-described arrangement, the architect and CM do not have a direct contract with each other.

Typical sequence

  1. Select the CM for preconstruction. The owner evaluates qualifications and the proposed fee and services under the procurement rules that apply to the project.
  2. Develop the design and price. The CM reviews documents, estimates work, suggests phasing and alternates, identifies long-lead items, and advises on bid packages and schedule risks.
  3. Negotiate the construction cost. The parties establish a GMP or another cost arrangement if the contract calls for one. The price is based on a defined design scope and must identify allowances, contingencies, exclusions, escalation treatment, and assumptions.
  4. Convert to construction. If the owner accepts the cost and terms, the CM proceeds as constructor/general contractor, procures trade contractors, coordinates their work, and performs the obligations assigned in the construction contract.
  5. Build and close out. The CM administers subcontracts, schedule, safety coordination, quality processes, payment applications, changes, commissioning, and closeout, subject to the owner’s retained rights.

Federal Highway Administration guidance gives one example in which the owner and CM/GC negotiate a GMP at approximately 60% to 90% design completion. That percentage is a feature of the cited FHWA process, not a universal milestone; another project may fix price earlier, later, or in multiple packages.

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What “at risk” should mean in the contract

Ask whether the CM will actually hold the trade contracts, whether it guarantees a maximum cost, and which events remain the owner’s risk. A CM can be called “at risk” while the agreement excludes particular design errors, owner changes, escalation, concealed conditions, or incomplete scope. A GMP may also contain contingencies controlled by the CM, the owner, or jointly. The label cannot answer those questions.

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Does CM at risk always include a GMP?

No. A GMP is common in CMAR, but it is not the defining feature in every source or contract. The AIA–AGC guidance notes that the timing for fixing a GMP varies and treats holding trade contracts and taking construction-performance risk as the principal feature in its explanation. Some agreements use a cost-of-the-work structure, a negotiated target, or multiple package prices instead.

If a GMP is proposed, require a written definition of:

  • the drawings, specifications, assumptions, and bid packages included;
  • allowances and owner-controlled and CM-controlled contingencies;
  • exclusions, escalation, taxes, insurance, bonds, and permitting;
  • who receives buyout savings and who pays overruns;
  • the change-order process and audit rights;
  • the date or event when the price becomes binding; and
  • what happens if the owner rejects the proposed GMP or the parties cannot agree.

Without those terms, “GMP” can create an impression of certainty that the contract does not deliver.

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Who holds the subcontracts in each model?

In agency CM, the owner generally signs the contracts with the trades. The CM may assist with solicitation, evaluation, coordination, and administration, but the owner is the contracting party and normally carries the resulting payment and performance exposure.

In CMAR, the CM commonly signs and administers the trade subcontracts after it becomes the constructor. Confirm the point at which that responsibility begins: some arrangements have early work packages before the full construction contract, while others require a later authorization. Also identify who owns subcontractor default remedies, bonds, warranties, and closeout obligations.

Draw a one-page contract map before signing. For every relationship, list who selects, signs, pays, directs, approves changes, carries insurance, and bears default risk. Include the owner–architect relationship, because the architect and CM may have separate owner contracts rather than a direct contract with each other.

Which model gives the owner more control?

Agency CM generally gives the owner more direct control over trade selection, contracting, and day-to-day commercial relationships, but that control comes with the work of administering those contracts. CMAR gives the owner control through the prime CM agreement—approval rights, reporting, audits, and change procedures—while delegating more construction execution to the CM.

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Do not confuse approval rights with liability. An owner may retain approval of subcontractors or changes while still transferring construction-performance duties to the CM. Conversely, an agency CM may have broad authority to coordinate work without assuming the trade contractors’ cost risk. The authority matrix should state which decisions are recommendations, approvals, notices, or binding instructions.

Can either model shorten the schedule?

Both can support phased or overlapping work, but neither guarantees a faster project. Agency CM can release a package when that portion of the design is ready, while CMAR can provide constructor input early and overlap design, procurement, and construction. The benefit depends on design maturity, owner decision speed, permitting, long-lead materials, site conditions, and the quality of package interfaces.

Early work increases coordination obligations. Before authorizing a package, identify the design information it relies on, who owns later design changes, how rework is priced, and how incomplete interfaces are documented. A schedule that starts early without clear scope can trade calendar savings for claims and coordination costs.

How do fees, contingencies, and price certainty differ?

Agency CM compensation may be a fixed amount, a percentage of building cost, or an hourly fee, while each trade contract is priced separately. The owner’s final cost picture becomes clearer as packages are bid and awarded. The owner should budget CM fees, trade work, design, permits, insurance, escalation, owner contingencies, and the cost of its own project administration.

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CMAR often presents a GMP or another negotiated cost ceiling, but price certainty is only as broad as the GMP scope. Ask whether the maximum includes the CM’s fee, general conditions, insurance, bonds, allowances, contingency, escalation, and all accepted alternates. Establish an open-book estimate and an audit process so the owner can see buyout status, commitments, pending changes, and remaining contingency.

There is no reliable universal percentage for savings, overruns, or schedule improvement in the supplied evidence. Any claimed result should be tied to a named published study or project-specific record rather than treated as an inherent feature of the delivery method.

How should an owner choose between agency CM and CMAR?

Use the following decision sequence before issuing a request for proposals or selecting a contract form.

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  1. Set the desired control model. Decide whether the owner wants to contract directly with each trade or delegate that role to a constructor.
  2. Assess owner capacity. Count the people available for estimating, procurement, payment review, claims, schedule control, safety coordination, and closeout. Agency CM requires the owner to manage the trade-contract portfolio; CMAR requires the owner to manage the CM relationship and retained approvals.
  3. Define the schedule strategy. Identify which packages can be released early, what design information is required, and what rework risk the owner accepts.
  4. Choose the price mechanism. Decide whether a fee-only agency arrangement, a cost-of-the-work structure, a target, or a GMP best matches the project’s scope maturity and risk appetite.
  5. Map retained and transferred risks. Address design coordination, differing site conditions, escalation, labor availability, owner changes, permitting, utilities, hazardous materials, and subcontractor default.
  6. Check procurement authority. Confirm licensing, competitive-selection rules, bonding, insurance, conflict-of-interest requirements, and any rules attached to public or grant funding.
  7. Review the proposed form with project counsel. Match the form to the jurisdiction, project type, funding source, and actual services; do not rely on a title such as “CMAR” to fill gaps.

The CMAA’s 2025 whitepaper puts the principle plainly: “No singular delivery method is superior. Instead, try focusing on the following: what’s the best project delivery method for each opportunity?” The AIA–AGC joint task force similarly says its list of delivery methods is not intended to endorse one as “best.”

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What contract terms deserve the closest review?

Whether the arrangement is agency CM or CMAR, make the following items visible in the agreement and exhibits:

  • Scope and standard of care: define management, estimating, scheduling, procurement, site observation, safety coordination, commissioning, records, and closeout duties.
  • Authority matrix: state who can direct trades, approve substitutions, issue notices, accept work, authorize changes, and bind the owner.
  • Contract map: list every prime and trade contract, payment path, warranty obligation, insurance requirement, and default remedy.
  • Compensation: identify fee base, reimbursables, markups, general conditions, staff rates, audit rights, and treatment of savings.
  • Cost definition: for a GMP or target, define included scope, allowances, contingencies, exclusions, escalation, taxes, bonds, insurance, and owner-furnished items.
  • Change management: establish notice periods, pricing evidence, schedule analysis, approval thresholds, and treatment of disputed work.
  • Design responsibility: allocate review duties without converting constructability review into an unintended design warranty.
  • Schedule and early work: identify milestones, float ownership, long-lead procurement, phased completion, and the consequences of incomplete design.
  • Termination and transition: explain payment on termination, ownership of estimates and subcontracts, replacement of the CM, and completion of warranties and records.

AIA Contract Documents lists A133 and A134 owner–CM-as-constructor agreements with and without a GMP, and C132/A132 forms for CM as adviser. Those are resources to evaluate, not substitutes for checking current editions, licensing terms, project fit, and local requirements. The AIA–MBA Joint Committee procurement resources can help identify related form families.

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What procurement rules apply to public or FEMA-funded work?

Public owners and grant recipients cannot assume that a state statute authorizing CMAR answers every procurement question. FEMA’s October 9, 2024 CMAR fact sheet warns that state authorization does not waive federal procurement requirements for FEMA award recipients and subrecipients. Depending on the recipient and award, requirements can include full and open competition, responsible-contractor standards, conflicts-of-interest controls, price as a selection factor, socioeconomic affirmative steps, cost or price analysis, and required contract provisions.

FEMA also states that, under the cited federal-award framework, non-state entities must make independent estimates before bids or proposals for procurements over $250,000. That is a context-specific procurement threshold, not a general construction-cost benchmark. Confirm the current rules with the funding agency and procurement counsel before selecting a qualifications-only CMAR process or issuing a solicitation.

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Questions to document for a funded project

  • Is the owner a state, local, tribal, nonprofit, or other entity for purposes of the award?
  • Which federal regulations and award terms apply to this procurement?
  • How will price be considered alongside qualifications?
  • What independent estimate, cost analysis, contract clauses, and records must be retained?
  • Are conflicts, debarment, bonding, and socioeconomic-participation requirements addressed?

What are the most common failure points?

Calling an adviser a risk-bearing constructor. Fix: identify the contracting party for every trade and the exact performance obligations transferred.

Treating a GMP as an all-inclusive guarantee. Fix: attach the scope basis, exclusions, contingencies, escalation rules, and change procedure.

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Starting early work with undefined interfaces. Fix: issue a package matrix showing design status, owner decisions, utility assumptions, and responsibility for rework.

Leaving authority informal. Fix: use a written delegation schedule with dollar limits, notice requirements, and approval paths.

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Ignoring owner workload in an agency model. Fix: budget staff and systems for multiple contracts, pay applications, claims, and closeout; advisory fees do not eliminate those owner duties.

Using a familiar form without checking jurisdiction or funding. Fix: verify current form editions, licensing, statutory authority, grant conditions, licensing, insurance, and bonding before execution.

Which model is the better fit for typical project conditions?

Project condition Model to investigate first Reason to verify before deciding
Owner has a strong in-house commercial team and wants direct trade relationships Agency CM Confirm the owner can absorb default, coordination, payment, and claims exposure
Design is evolving and constructor input could improve phasing or procurement CM at risk Define how early advice becomes a construction obligation and how design changes affect price
Owner needs staged release of ready work Either model Compare package authority, interface control, and responsibility for incomplete design
Grant-funded or heavily regulated procurement Either, subject to rules Check funding-specific competition, price, estimate, conflict, and contract-clause requirements first
Owner expects a firm maximum cost CMAR with a carefully defined GMP Verify what the GMP includes, when it binds, and which risks remain with the owner

Bottom line: what should the contract achieve?

Choose agency CM when the owner wants to retain direct trade contracts and has the capacity to manage the associated risk. Choose CM at risk when early constructor involvement and delegated construction responsibility justify the fee, contingency, and contractual risk allocation. In either case, map the contracts, authority, price basis, schedule assumptions, and retained risks before signing. As the AIA–AGC and CMAA guidance emphasizes, the best delivery method is the one that fits the specific opportunity—not a label selected in isolation.

Frequently Asked Questions

Can the same project use agency CM for some packages and CMAR for others?

It can be structured that way if the procurement rules and contracts permit it, but split responsibilities create interface risk. The owner should define which manager controls each package, how schedules and warranties are coordinated, and who resolves conflicts between contracts.

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What happens if the owner rejects a proposed CMAR GMP?

The answer depends on the agreement. It may allow further negotiation, conversion to another pricing method, rebidding of packages, or termination after payment for preconstruction services. Those options and deadlines should be written before preconstruction begins.

Does an agency CM guarantee that trade contractors will meet the schedule?

Usually not. The agency CM can provide scheduling and coordination services, but the owner generally retains the trade contracts and their performance exposure. Any schedule guarantee must be stated expressly, with defined owner dependencies and remedies.

Is CMAR allowed on every publicly funded project?

No. State or local authorization may be only one requirement. Federal awards can impose additional competition, pricing, conflict-of-interest, cost-analysis, estimate, and contract-clause rules, so the owner must verify the requirements for its entity and funding source.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply. Prices as of November 14, 2026 12:04 pm GMT+0000.

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