Kosher · Certification by a kosher certification agency
Kosher certification consulting for products your buyers accept without a second question.
Kosher certification is granted by a kosher certification agency under its own requirements and symbol. Sterling's expert and experienced consultants prepare what the agency will look at: an ingredient and supplier dossier that stands up to review, production and change controls, label records and trained people, then support you through the agency's inspection and every renewal after it, in 60+ countries. We ensure successful certification for our clients.
- One all-inclusive proposal for a fixed scope: consulting, Effivity software, Sterling Academy access and internal auditor training, as applicable to your standard, set out in one proposal
- A team of expert and experienced food-sector consultants, advising on management systems across sectors and countries since 2003
- The Sterling Promise: 100% on-time completion, 100% success, 8,100+ client engagements. Sterling does not certify; the kosher certification agency inspects and decides
8,100+ client engagements in 60+ countries.
Kosher client experienceWhat it is
What is kosher certification and what is it used for?
Kosher describes food that is fit or proper under Jewish dietary law. For a packaged or processed product, a shopper cannot see whether a flavour contains an animal-derived component, whether a processing aid came from a permitted source, or whether a line was heated with dairy product the day before. Kosher certification answers that on the shopper's behalf: an agency reviews the ingredients, inspects the plant and its procedures, approves the labels, and then keeps visiting while its symbol is on the pack.
The certificate lists specific products and, typically, their status: meat, dairy or pareve (containing neither), with some agencies also marking fish and Passover production. Retailers, importers and manufacturers sourcing ingredients use the symbol as a condition of listing or purchase.
Who sets the requirements. There is no international kosher standard and no accreditation body over the route. Each agency applies Jewish dietary law through its own rabbinic authority, contract and approved lists; OU Kosher, for example, sets out approved ingredients in a Schedule A and certified products in a Schedule B within the contract. Requirements, symbols and acceptance therefore differ between agencies, and the right agency depends on who buys your product. How to choose a kosher certification agency
Who it is for
Who needs kosher certification?
Kosher certification is voluntary. The pressure to hold it usually comes from the market, and arrives in one of four ways:
- A retailer or importer asks for a recognised symbol. The buyer may also name the agencies it accepts, which narrows your choice before you apply.
- Your ingredient goes into someone else's kosher product. Flavour houses, oil refiners, emulsifier and additive producers are asked for a current kosher letter before a customer's agency will approve their material.
- You are entering a new export channel. A distributor or importer may make a recognised symbol a condition of listing your packaged food.
- A group or private label programme requires it. A parent company or brand owner certifies across its sites, and every co-packer or plant must meet the same agency's conditions.
Certification opens the door to those buyers; keeping it depends on your supply chain and your change discipline, month after month.
Requirements
What are the main kosher certification requirements?
Each agency writes its own conditions, and only the agency decides what is acceptable under Jewish dietary law. What follows is the ground the agencies we reviewed (OU Kosher, OK Kosher and STAR-K) say they examine, described at the level they publish it; your agency's contract is the requirement you are held to.
- Ingredients and raw materials: every material in the plant is submitted for approval, including those not destined for kosher products; some need no certificate, others need a kosher letter from an agency your certifier accepts.
- Animal-derived and sensitive materials: meat and poultry come from permitted species slaughtered and inspected as kosher law requires, and grape-based products are made under rabbinic supervision.
- Product status: each product is designated meat, dairy or pareve, with fish and Passover status where the agency uses them, and that status governs how it is made.
- Equipment and production procedures: heat, the conveyance of ingredients and pre-mixes, and packaging are reviewed; equipment status is controlled and kosherisation carried out where the agency directs.
- Products, labels and the symbol: certified products are listed by the agency, labels approved before use and the symbol shown only on products the certificate covers.
- Change control: no new ingredient, supplier, formula, product or facility change without the agency's prior approval or notification.
- Ongoing supervision: the agency's field representative visits during the year, and some agencies state that visits may be unannounced.
What does useful kosher evidence look like?
An ingredient register that matches the agency's approved list line for line, with each supplier's kosher letter current and matched to the exact material and plant it covers; a record of which equipment runs which product status; label artwork checked against the product list before print; and a change log showing every new material or supplier went to the agency before it reached the line. We help build these records in Effivity from the first workshop, so the field representative finds a plant that already controls what matters to the agency.
Certification process
How do you get kosher certified?
The agency runs certification through a Rabbinic Coordinator and its field representatives. Sterling prepares your plant, records and people so that the agency's review goes smoothly; the agency alone decides whether to certify and on what terms.
- 01Decide the products, the buyers and the agency.List the products and sites in scope and ask your key customers which agencies' symbols they accept before you apply.
- 02Gap analysis: review ingredients, suppliers, equipment and labels.Every material is traced to its supplier and its kosher status, shared equipment is mapped and label claims are checked; actions, owners and dates are agreed.
- 03Build the dossier and the controls.Collect or replace supplier letters, write the receiving, changeover and change-control procedures, set up the label register and train the people who run them.
- 04Apply, host the inspection and sign.Application and data forms, ingredient screening, the plant inspection, any system changes or kosherisation the agency requires, then the contract, label approval and certificate.
- 05Keep the certificate current.Host the field representative's visits, send every change for approval first, and renew on the agency's cycle; OK Kosher, for one, issues certificates for a year.
Check the route before you sign. Kosher agencies are not accredited in the way ISO certification bodies are, so acceptance is the test: confirm with your buyers that they recognise the agency, and confirm that the certificate is listed on the agency's own website. Treat an unfamiliar symbol offered quickly and cheaply with care; if your customers do not accept it, the listing is lost and the money spent. How to choose a credible kosher route · The certification buyer's checklist
Cost
How much does kosher certification cost?
Kosher programmes vary widely: a dry-blend plant with a short ingredient list is a different undertaking from a multi-line site that also runs dairy. The agency sets its own fees; OU Kosher, for example, links them to travel distance, visit frequency, operational complexity and product count. Our proposal shows every component and holds to one all-inclusive proposal.
| Cost component | What affects it |
|---|---|
| Consulting and preparation | Ingredients and suppliers to verify, products and lines, whether dairy or meat shares the site, and how much your team carries (Design™ or Drive™) |
| Agency certification | The agency's application, inspection and annual fees, its visit frequency, travel and any kosherisation visits |
| Internal resources | Supplier follow-up, replacement of materials the agency will not approve, any equipment changes, relabelling and training time |
| Software and learning | Included in a Sterling engagement: Effivity for the dossier and controls, and Sterling Academy access for your people, with users, courses and access period confirmed in the proposal |
| Continued support | Supplier letter monitoring, change submissions, internal checks and new product additions under Sustain™ |
What moves the price
- Number of ingredients and suppliers without a current kosher letter
- Number of products, lines and sites in scope
- Dairy, meat or Passover production alongside pareve
- How complete your specifications and supplier files already are
- The buyer's deadline and your team's capacity
What a Sterling proposal always shows
- Deliverables, responsibilities, assumptions and exclusions, in writing
- Agency fees identified separately, so the full programme cost is comparable
- Effivity, training and Academy access itemised at no additional cost
- Payment milestones tied to deliverables
- One all-inclusive proposal. No surprises, ever
Timeline
How long does kosher certification take?
The agencies' own guidance ranges from several weeks to about three months once you apply. The work before the application usually sets the real pace, so we estimate two to four months from kick-off for a single site, depending on your case.
| Phase | What determines the pace |
|---|---|
| Scope and gap analysis | Access to formulations, specifications, supplier files and the production schedule |
| Dossier and controls | How quickly suppliers issue kosher letters, and whether any material must be replaced |
| Agency review and inspection | Ingredient screening, the inspection date and any system changes or kosherisation required |
| Contract and labels | Contract review, label approval and print lead times |
If a buyer has given you a listing date, tell us at kick-off and we will plan backwards from it.
Your engagement
What your kosher engagement includes
Sterling does not certify, supervise or issue any kosher symbol; the agency and its rabbinic staff make every kosher decision. What we deliver is the preparation that lets those decisions go your way, under Sterling OS™: Design™, where we guide and your team does the work, or Drive™, where we carry the workload with you, as alternative levels of support; Sustain™ after certification; and Automate™ through Effivity.
Scope, gap analysis and plan
Products, sites, agency and buyer expectations agreed, with owners and dates.
Ingredient and supplier dossier
Every material traced to a specification and a current kosher letter, gaps chased or replaced.
Production and change controls
Receiving checks, equipment status, changeover and a change-control rule that goes to the agency first.
Effivity ISO & GRC software
Registers, procedures and records in one workspace, included with the engagement at no additional cost.
Training for everyone
Internal auditor training, as applicable to your standard, and preferential Sterling Academy access, including complimentary awareness training for your people as part of the engagement.
Agency readiness and support
Application pack, inspection preparation and support until the certificate is issued.
Certification decisions remain with the kosher certification agency.
Often combined with
Standards organisations pair with Kosher
- BRCGS Food SafetyBRCGS Food Safety certification consulting for food manufacturers: HACCP plan, site standards and controls ready for a graded audit, announced or unannounced.
- BRCGS Storage and Distribution · Agents and BrokersBRCGS Storage and Distribution certification and Agents and Brokers: Issue 4 and Issue 3 requirements, scopes, audits and cost factors, with Sterling's support.
- FairtradeFairtrade certification and requirements: which Fairtrade International standards apply, FLOCERT's audit, cost and timing, and how Sterling prepares you.
- FAMI-QS / GMP+FAMI-QS and GMP+ certification for feed businesses: how the two schemes differ, their requirement documents, the audit route and how Sterling prepares you.
- FDA FSMA (US)FDA FSMA compliance for food facilities, importers, farms and carriers: preventive controls, FSVP, food traceability and records ready for FDA inspection.
- FSSC 22000FSSC 22000 certification consulting for GFSI-recognised food safety: ISO 22000, sector PRPs and FSSC requirements, ready for a licensed body's audit.
Effivity · ISO and GRC software, included in every engagement
How Effivity helps you fulfil, automate and simplify kosher certification requirements.
Every Sterling kosher engagement includes Effivity, the ISO and GRC automation platform built by the Sterling group and used in 50+ countries. Your consultant configures a workspace within the agreed scope for the ingredient register, supplier kosher letters and their expiry dates, product status, label approvals, change requests and training records, so what the agency's field representative asks for is one search away. Sterling consulting clients get their Effivity subscription included with the engagement, at no additional cost.

Products, sites and agency conditions
Certified products, their status and the sites that make them held in one register, with certificate renewal dates tracked.
Ingredient register
Each material with its specification, supplier and approval status, kept aligned with the agency's approved list.
Supplier kosher letters
Letters stored against the material and plant they cover, with expiry alerts well before a delivery arrives unapproved.
Equipment status and changeover
Which lines run which product status, with changeover and any agency-directed kosherisation recorded when it happens.
Label and artwork approval
Artwork checked against the product list and the agency's approval before print, with a register of which pack carries which symbol.
Change requests
New materials, suppliers, formulas and products routed for agency approval first, with the reply attached.
Training records
Receiving, production and planning staff trained on the rules that affect them, linked to Sterling Academy.
Your own forms and reports
Forms, workflows and reports adapted without code, and shared with the food safety standards you already run.
What this means at the visit
The field representative asks whether anything new has entered the plant, which lines ran what, and whether the packs match the certificate. In Effivity those answers are records with dates and owners, and Sustain™ keeps them current between visits and through each renewal.
In your engagement
- Subscription included with the engagement, at no additional cost
- Configured by your Sterling consultant within the agreed scope
- Your documents, records and registers migrated, not retyped
- Admin and user training for your team
- Modules for EMS, OHSMS, ISMS, FSMS and more when you integrate other standards
Sterling Academy · e-learning
Train the people who receive, make and pack the product.
Sterling Academy offers e-learning with video lessons, practice checkpoints, a final exam and a numbered Certificate of Completion for each learner. Sterling consulting clients receive preferential Sterling Academy course access and special pricing through their Sterling consultant, including complimentary awareness training for their people as part of the engagement.
- Awareness for receiving, production, purchasing and planning staff
- Internal auditor training, as applicable to your standard, as part of the engagement
- Learner progress reports as training evidence
- New starters trained before they touch certified production
Keep exploring
Explore more about Kosher
Why Sterling
Want successful kosher certification? Come to Sterling.
Most delays in a kosher programme come from the supply chain: a supplier letter that covers the wrong plant, a processing aid nobody declared, a label printed before approval. We work through those issues before the agency sees them, alongside the food safety system you already run.
Food-sector work in 60+ countries since 2003
Management systems for food manufacturers and ingredient producers across every region we serve, with offices in 21 countries.
All-inclusive proposal
Consulting, Effivity, training and Academy access in one proposal, agency fees shown separately. No surprises, ever.
One set of records
Kosher controls built into the receiving, specification and label processes your food safety system already uses, not a parallel file.
Expert and experienced consultants
Consultants who know how ingredient, supplier and label controls work in a food plant, and who leave the religious determinations to the agency, where they belong.
The Sterling Promise
What our kosher certification success guarantee means
We stay with you until your agreed kosher certification outcome is achieved, supporting preparation, the agency's review and the resolution of its findings. Clear explanations, practical delivery, included software and employee learning turn the investment into lasting capability rather than a certificate on a wall.
The engagement identifies the products, scope, outcome and responsibilities. Your organisation supplies accurate information and puts the agreed controls into use. The kosher certification agency assesses and retains its certification decision. Our commitment concerns the agreed certification support, not a promise of every future listing or error-free delivery.
FAQs
Frequently asked questions about kosher certification
Is kosher certification the same as halal certification?
No. They rest on different religious laws, are granted by different bodies and are not interchangeable; a kosher symbol does not make a product halal, or the reverse. Many plants hold both, and the ingredient, supplier and segregation records can serve each programme, but each certifier decides separately.
Can a plant that also makes non-kosher products be certified?
Often, yes, subject to the agency's assessment. STAR-K, for example, reviews all ingredients used in the plant, not only those in kosher products, and procedures for shared equipment are set by the agency. Whether and how shared lines can be used is the agency's decision.
Does every ingredient need its own kosher certificate?
No. Agencies treat some materials as needing no certificate, which OK Kosher calls Group 1 and STAR-K calls intrinsically kosher, while others need a kosher letter from an agency your certifier accepts. The agency decides which category each material falls into, so every material is still submitted.
What do pareve and the D mark mean on a label?
Pareve means the product contains no meat or dairy ingredients and was not processed with heat on meat or dairy equipment, as OU Kosher explains. A D next to an agency's symbol indicates dairy status. The status is set by the agency and must match the certificate exactly.
Does Sterling issue kosher certificates or supervise production?
No. Sterling prepares your records, controls and people for the agency. The agency, its Rabbinic Coordinator and its field representatives inspect, supervise and decide, and only the agency licenses its symbol.
Keep exploring
More on Kosher and related standards
More in Food safety & agriculture
Talk to a consultant
Prepare your plant for kosher certification with confidence.
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