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GUILLERMO DIAZ DIAZ

UEI: D24UQJBGCML8CAGE: SUN28

GUILLERMO DIAZ DIAZ is a federal contractor, registered under UEI D24UQJBGCML8 and CAGE code SUN28. It has been awarded $1,464,646 in federal contracts. Primary work spans Translation and Interpretation Services. Top awarding agencies include Department Of State.

Contact Information

Registration and classification details

Address123 Main St, City, ST 12345

Registration

UEI Code

D24UQJBGCML8

CAGE Code

SUN28

Entity Structure

Sole Proprietorship

Established

N/A

Business Classifications

For Profit Organization

NAICS Codes

541930Translation and Interpretation Services

541990All Other Professional, Scientific, and Technical Services(Primary)

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

AI Capability Profile

Guillermo Diaz Diaz specializes in high-stakes translation and interpretation services, delivering precise linguistic support for U.S. government operations in sensitive diplomatic and law enforcement contexts. The contractor provides real-time interpretation and document translation between English...

Key Performance Metrics

Awards Count

228

All time

Active

0

Currently performing

Completed

228

Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

Sub · all time

Grants

Prime · all time

Subgrants

Sub · all time

Award Analytics & Distribution

Awards by Agency

Department Of State$1.5M100%

Awards by NAICS

541930 - Translation and Interpretation Services$1.5M100%

Awards by Agency Over Time

Awards by Place of Performance

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On-Call Substitute Spanish Court InterpreterThis subcontract opportunity is for an On-Call Substitute Spanish Court Interpreter to support the City of Winder Municipal Court. The selected provider will deliver simultaneous verbal and written translation services, serving as backup coverage for prime contractors during both scheduled and unscheduled absences at the Winder Community Center. To be eligible, candidates must hold certification from the Georgia Commission on Interpreters, possess documented experience in court interpreting, and maintain a valid Georgia Class C driver's license. The solicitation was posted on October 20, 2026, with a response deadline of October 26, 2026.

POSTED

about 6 hours ago

DEADLINE

Certified Spanish Court InterpreterThis subcontract opportunity is for a Certified Spanish Court Interpreter to provide simultaneous verbal and written translation services for prime contractors supporting the City of Winder Municipal Court. The role involves translating both legal terminology and casual slang at a speed of over 200 words per minute during Friday court proceedings, as well as providing support for the Probation offices and the Public Defender. Qualified candidates must hold a certification from the Georgia Commission on Interpreters, possess at least two years of court experience, and maintain a valid Georgia Class C driver's license. The contract focuses on the delivery of real-time translation services under NAICS code 541930, with a response deadline set for October 26, 2026.

POSTED

about 6 hours ago

DEADLINE

REQUEST FOR PROPOSAL FOR SPANISH INTERPRETER FOR WINDER MUNICIPAL COURT

Solicitation # PE-60750-NONST-2027-000000024

The City of Winder, Georgia, is seeking a certified Spanish interpreter to provide verbal and written translation services for the Winder Municipal Court. The selected provider will be responsible for accurate simultaneous translation between Spanish and English for defendants with limited English proficiency, including the ability to translate at rates of 200 words per minute and handle both formal legal terminology and casual slang. Services are performed at the Winder Community Center, typically every Friday from 8 am to 12 pm, and may include assisting the Public Defender and Probation offices. The contract consists of five one-year terms, subject to renewal by the City Council of Winder. Qualified candidates must hold a current Certified Court Interpreter designation from the Georgia Commission on Interpreters, possess at least two years of experience in a court or public setting, and hold a valid Georgia Class C driver's license. All personnel must pass a criminal background check conducted by the City of Winder Police Department and adhere to the Code of Professional Responsibility for Interpreters. Proposers are required to submit a resume, cover letter, state certification, three professional references, and an E-Verify affidavit. The city will evaluate proposals based on demonstrated competence, experience, and personnel availability, with finalists invited for interviews. The contracted interpreter is also responsible for managing a substitution plan for absences and handling all invoicing and payments for substitute interpreters.

POSTED

about 6 hours ago

DEADLINE

Language Access Consultant / Translation ProviderThe City of Fairfax is seeking a Language Access Consultant and Translation Provider for a subcontracting opportunity under its Title VI Program. The selected provider will be responsible for reviewing language access policies, recommending updates to ensure compliance with federal requirements for recipients of federal financial assistance, and identifying vital documents that require translation. The scope of work includes performing translations using localization software and delivering updated policies and translated materials to prime contractors. This project is categorized under NAICS code 541930 and will be performed within the City of Fairfax, Virginia. Interested parties must respond by November 10, 2026.

City of Fairfax

POSTED

about 7 hours ago

DEADLINE

Written Translation and Localization ServicesThis subcontract for Written Translation and Localization Services supports the City of Pittsburgh's language accessibility projects through the Office of Management and Budget. The selected provider will work under prime contractors to translate main texts, annotations, tables, and charts between English and Tier One or Two languages. Key responsibilities include reviewing, editing, and proofreading all translated materials while ensuring that the original formatting is strictly maintained. Deliverables must be provided in digital MS Word, Excel, and PDF formats. Due to the nature of the data involved, the contractor is required to maintain full HIPAA compliance for all sensitive information. Interested parties must submit their responses by November 17, 2026, under NAICS code 541930.

Office of Management & Budget

POSTED

about 11 hours ago

DEADLINE

Language Access

Solicitation # 2026-RFP-212

The City of Pittsburgh, through the Office of Management and Budget, is seeking proposals under solicitation 2026-RFP-212 to establish a four-year agreement with one or more qualified firms to provide city-wide language accessibility and communication services on an as-needed basis. The scope of work encompasses written translation, live captioning for special events, language access and cultural competency training for city staff, and language proficiency testing for employees. Services are categorized into two tiers based on demand, with Tier One focusing on Arabic, Nepali, Spanish, Swahili, Mandarin, and French. Providers must ensure high quality, linguistic accuracy, and cultural appropriateness while maintaining compliance with HIPAA guidelines and other privacy regulations. Written translations are subject to specific delivery timelines, with routine requests expected within five business days and expedited requests within two business days. The selection process is based on a points-weighted system evaluating the project approach and plan (30%), firm qualifications and experience (15%), project team qualifications (15%), and good faith efforts toward MWDBE and VOSB participation (10%). Respondents must adhere to the City of Pittsburgh Ethics Code and comply with the Pennsylvania Prevailing Wage Act and the City Service Worker Prevailing Wage Ordinance. There are specific participation goals for minority-owned (18%), women-owned (7%), veteran-owned (5%), and LGBTQIA+ (3%) businesses, and the MWDE/Veteran-Owned/LGBTQIA+ Solicitation and Commitment Form is a required submission. Proposals must be submitted electronically via the City's e-Procurement Portal by November 17, 2026. The contract will be managed by the issuing department and the Office of Management and Budget, with payments processed only after full execution by all required City signatories.

Office of Management & Budget

POSTED

about 11 hours ago

DEADLINE

Multilingual Document Translation and Printing SupplierThis subcontract opportunity for the City of Dinuba seeks a supplier to provide specialized multilingual translation and high-volume printing services for utility projects. The selected provider will be responsible for translating technical rate study summaries and public notices into various community languages, ensuring certified accuracy. Additionally, the scope includes the commercial printing of reports and reproducible calculations, as well as the management of postage for public notifications. Interested parties must possess professional commercial printing equipment to deliver the required reports and mailed notices. The solicitation was posted on October 20, 2026, with a response deadline of November 23, 2026. This contract falls under NAICS code 541930 and is designed to support prime contractors in meeting the communication and documentation needs of the local community.

POSTED

about 23 hours ago

DEADLINE

in about 1 month

Language Interpretation and Translation ServicesThis subcontract for Language Interpretation and Translation Services supports prime contractors working on projects for the New Jersey Department of Human Services Office of New Americans. The scope of work involves providing comprehensive linguistic support for refugees with limited English proficiency, including in-person, telephonic, and video remote interpretation for case management and appointments, as well as the translation of essential documentation. The service provider is responsible for delivering all translated documents and maintaining detailed interpretation logs. This opportunity falls under NAICS code 541930, with a response deadline set for October 30, 2026.

NJ Department of Human Services

POSTED

DEADLINE

Accessibility Services ProviderThis subcontract opportunity is for an Accessibility Services Provider to support prime contractors on projects for Opportunities for Ohioans with Disabilities. The selected provider will ensure all deliverables are inclusive by providing American Sign Language interpretation, closed captioning, and the creation of screen-reader compatible documents. All work must adhere strictly to ADA and WCAG standards to ensure accessible reports and meeting environments. Qualified candidates must hold professional interpretation certifications or WCAG accessibility certifications. The solicitation was posted on October 19, 2026, with a response deadline of November 16, 2026. This procurement falls under NAICS code 541930 and is managed through the state of Ohio.

Oppt Fr Ohioans W/disabilities

POSTED

DEADLINE

Parent and Caregiver Early Intervention TrainingThe Parent and Caregiver Early Intervention Training subcontract involves providing educational workshops and early guidance for prime contractors on mental health projects within the County of Santa Cruz. The primary objective is to support parents and caregivers in addressing the emotional, behavioral, and developmental needs of children to prevent the escalation of care. A critical requirement for this engagement is cultural and linguistic responsiveness, specifically the ability to deliver all services in Spanish and various indigenous languages. Managed through Central Purchasing in California, the contract requires the delivery of completed training workshops and documented support sessions. Interested parties should note that the response deadline is December 5, 2026. The project falls under NAICS code 541930, focusing on specialized professional services to ensure accessible and effective mental health support for diverse populations.

Central Purchasing

POSTED

DEADLINE

in about 2 months

MCOTEA American Sign Language Interpreting

Solicitation # M0026427Q0009

The Marine Corps Operational Test and Evaluation Activity (MCOTEA) is soliciting professional American Sign Language (ASL) interpreting services to facilitate two-way communication for a deaf or hard of hearing employee. This requirement, under solicitation M0026427Q0009, encompasses both unclassified and classified support for mission-related meetings, training, conferences, and operational test activities. Services will be delivered via on-site interpreting at MCB Quantico and the University of Mary Washington, as well as through Video Remote Interpreting (VRI). The contract is a 100% Total Small Business Set-Aside under NAICS code 541930, with a performance structure consisting of a base year and four option years. The contract utilizes a best-value trade-off award process based on three factors: Technical, Past Performance, and Price, following an initial compliance gateway check. Technical requirements mandate that interpreters hold RID, NAD, or BEI certifications, and the contractor must maintain a Secret Facility Security Clearance (FCL) with personnel possessing the necessary eligibility for classified work. Pricing is structured in eight-hour blocks for interpreting services and cost-no-fee for travel, with a travel cap of 18,650 dollars per period. Performance is monitored through a Quality Assurance Surveillance Plan, requiring a 98 percent on-time arrival rate and a 30-minute staffing standard for VRI requests.

POSTED

DEADLINE

The contractor, LingPerfect Translations, Inc., shall provide all necessary labor, management, supervision, and materials to provide ASLIS. Services include providing on-site and virtual services thr…LingPerfect Translations, Inc. is contracted by the Department of Energy's Office of Human Capital Management to provide American Sign Language Interpreting Services. The contractor is responsible for supplying all necessary labor, management, supervision, and materials to deliver both on-site and virtual interpreting services on an as-needed basis. The performance of these services is located in the District of Columbia under NAICS code 541930. This requirement is categorized as a forecast and is designated as a small business set-aside.

Office of Human Capital Management

POSTED

DEADLINE

RFP:142-26 Live Agent Visual Interpretation

Solicitation # BD-27-1206-MBTA-MBTA-134558

The Massachusetts Bay Transportation Authority (MBTA) is soliciting proposals under RFP 142-26 for a qualified provider to deliver smartphone-based live agent visual interpretation and navigation support for blind and low-vision riders. This service is designed to provide real-time accessible wayfinding and visual interpretation within both indoor and outdoor rapid-transit environments. The procurement process includes a pre-bid conference on October 22, 2026, with a final response deadline and bid opening on November 20, 2026, and a required delivery date of January 31, 2027. The contract will be awarded on a best-value basis, evaluating technical solutions, user experience, implementation and staffing approaches, and performance management, with supplier diversity accounting for 25 percent of the technical score. Key performance indicators include a service availability rate of at least 99.5 percent, a call completion rate of at least 95 percent, and a maximum abandoned call rate of 5 percent. The successful contractor must provide comprehensive training for interpreters in descriptive communication and caller safety, and must adhere to strict insurance requirements, including Commercial General Liability, Workers Compensation, and Professional Liability coverage. Administrative requirements include the submission of a technical response, a separate pricing response using Form D, and a signed copy of the MBTA Standard Terms and Conditions. Payments are issued via EFT 45 days from invoice receipt, though prompt payment discounts are available for accelerated schedules. Additionally, the contractor must comply with Massachusetts state tax laws, public records retention for seven years, and various non-discrimination and labor law regulations.

MBTA - Massachusetts Bay Transportation Authority

POSTED

DEADLINE

in about 1 month

Inclusive Engagement & Language Access ServicesThe Inclusive Engagement and Language Access Services subcontract focuses on providing essential language access and culturally specific outreach for prime contractors working on SACOG revitalization projects. The selected provider will be responsible for implementing comprehensive language access plans, which include performing professional translation services and providing interpretation for community meetings. A significant component of the scope involves developing and executing specialized engagement strategies tailored specifically for youth populations. To be successful, the contractor must possess demonstrated multilingual capabilities and deep expertise in youth engagement. Key deliverables for this contract include the production of translated materials, the facilitation of interpreted sessions, and the submission of detailed youth engagement reports. This opportunity is categorized under NAICS code 541930 and is managed through the Government and Public Affairs agency in California, with a response deadline of December 1, 2026.

Government & Public Affairs

POSTED

DEADLINE

in about 1 month

Medical Translation and Interpretation ServicesThis subcontract for Medical Translation and Interpretation Services supports prime contractors on Rhode Island EOHHS Medicaid projects. The scope of work includes providing telephonic and in-person interpretation for interactions between members and providers, as well as the translation of written materials such as Member Handbooks. To ensure compliance with ADA standards, the contractor must also provide alternative formats, including Braille and sign language interpretation. The contract is issued by the State of Rhode Island under NAICS code 541930. Interested parties should note the response deadline of November 13, 2026. Further details and bidding opportunities are available through the Rhode Island Department of Procurement portal.

State of Rhode Island

POSTED

DEADLINE

CoT RFP Event CME 01 2026.27

Solicitation # Doc3362470844

The City of Tshwane is seeking a qualified service provider to deliver professional simultaneous and consecutive interpreting, as well as translation and editing services. This solicitation, identified as CoT RFP Event CME 01 2026.27, is for a contract duration of three years starting from the date of appointment. Services will be utilized on an as and when required basis and will be performed in Tshwane-Pretoria. Interested parties must submit their responses by the deadline of December 2, 2026, at 08:00:00. The procurement process is managed under solicitation number Doc3362470844, with primary coordination handled by the City of Tshwane. Detailed application and submission guidelines are available through the official procurement portal.

City of Tshwane

POSTED

DEADLINE

in about 1 month

IFB 26-E0010 Translation and Interpretation Services

Solicitation # 26-E0010

The California Office of Environmental Health Hazard Assessment (OEHHA) is soliciting bids under IFB 26-E0010 for as-needed translation and interpretation services to ensure critical public health information is accessible to California residents. The scope of work includes written and webpage translations for materials such as Fish Advisory Signs, Prop 65 Warnings, and CalEnviroScreen documents, as well as the translation of complex scientific studies and the provision of real-time interpretation via in-person, telephonic, and virtual methods. Services are required for a wide array of languages, including but not limited to Spanish, Chinese, Arabic, Vietnamese, and several indigenous languages. All deliverables must be fully accessible for users with disabilities and align with the federal Plain Writing Act of 2010. The contract has a total budget not to exceed $97,500.00, with awards granted to the lowest responsive and responsible bidder after Small Business (SB) and Disabled Veteran Business Enterprise (DVBE) preferences are applied. To be eligible, bidders must have a valid California business license and at least five years of experience in translation and interpretation, including two years with a public entity. Additionally, personnel must possess at least three years of professional experience, with two of those years focused on complex scientific subjects. Bidders are required to maintain comprehensive liability insurance, including professional and motor vehicle coverage, and must disclose any use of Generative AI in their deliverables. Bids must be submitted via email by October 29, 2026, at 12:00 PM.

Env'l Health Hazard Assessment

POSTED

DEADLINE

Language Translation and Disability Accommodation ServicesThis subcontract for Language Translation and Disability Accommodation Services supports prime contractors on HCPF survey projects within the state of Colorado. The scope of work involves providing real-time interpretation, certified sign-language services, and necessary reasonable accommodations for participants with disabilities to ensure full compliance with ADA and Federal laws. The selected provider will facilitate seamless communication between interviewers and survey participants using a combination of certified professionals and translation software. The contract falls under NAICS code 541930 and is managed by the HCPF Executive Director's Office. Qualified providers must possess language-specific certifications to ensure the accuracy and quality of the delivered services. Interested parties should note the response deadline of October 23, 2026, for this specific procurement opportunity.

HCPF - Executive Director's Office

POSTED

DEADLINE