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Company details

  1. Telecommunications Service Provider

Written by the company

Simwood: API-first, infrastructure-based, UK & US domestic carrier. We are a dynamic telecoms carrier specialising in innovation-driven telephony, enabling providers to connect their platforms to the PSTN. Additionally, our smart, feature-rich hosted voice platform allows you to deliver an industry-leading experience to your customers. Simwood is a licensed operator in the US, with CLEC status in 21 states and nationwide coverage through our numbering system. We provide clean numbering in our network presence areas while offering high-quality, reliable termination. Stay compliant with STIR/SHAKEN attestation on every call, explore our feature-rich APIs, and benefit from unparalleled fraud controls. With availability zones on two continents, our infrastructure is a safe pair of hands, offering you global coverage. With 28 years of experience serving other telcos, we are a trusted domestic carrier in both the UK and USA, and we are the secret weapon behind many top names in telecoms. Our agility and commitment to innovation, coupled with a rock-solid network and pioneering fraud protection, set us apart as a rare find in the industry.


Contact info

1.8

Poor

TrustScore 2 out of 5

17 reviews

5-star
4-star
3-star
2-star
1-star

Replied to 60% of negative reviews

Typically takes over 1 month to reply

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Rated 1 out of 5 stars

Rang fishing about my life policy

Rang fishing about my life policy, tried to make out they were Scottish widow, I tried to explain that I had claimed on the critical illness, wanted to know details of the claim, it’s got nothing to do with you, then proceeded to say he was from the pharmacy and would send me something to make me better, then hung up, I’ve got cancer you inconsiderate shit

November 12, 2025
Unprompted review
Simwood logo

Reply from Simwood

Hey Jason,

We understand your frustration, and we want you to know that Simwood takes nuisance calls very seriously.
Simwood is a telephony service provider (like BT or TalkTalk), and we supply phone numbers to business customers. In some cases, the calls you're receiving may appear to come from a Simwood number, but they are likely spoofed, meaning the caller is faking the number to hide their true identity. These calls are not coming directly from Simwood.

We recommend reading the following articles for more background on how we're addressing this issue:

https://simwood.com/2025/02/cleaning-up-nuisance-calls/
https://simwood.com/2014/06/nuisance-calls-appearing-to-come-from-simwood-numbers/

If you can send us the number in question along with any relevant details to team@simwood.com, we'll be happy to investigate further.

Thanks,
Team Simwood

Rated 1 out of 5 stars

unsolicited calls

unsolicited calls sounds like someone having a party in the background and when they spoke they only said cherrio bad company is,wood say these calls are nothing to do with them but they are the registered holders of these phone numbers

July 8, 2025
Unprompted review
Simwood logo

Reply from Simwood

Hi Katy,

We understand your frustration, and we want you to know that Simwood takes nuisance calls very seriously.
Simwood is a telephony service provider (like BT or TalkTalk), and we supply phone numbers to business customers. In some cases, the calls you're receiving may appear to come from a Simwood number, but they are likely spoofed, meaning the caller is faking the number to hide their true identity.

Alternatively if the calls are coming from a customer of a customer of ours, we can investigate further and take any necessary action.

We recommend reading the following articles for more background on how we're addressing this issue:

https://simwood.com/2025/02/cleaning-up-nuisance-calls/
https://simwood.com/2014/06/nuisance-calls-appearing-to-come-from-simwood-numbers/

If you can send us the number in question along with any relevant details to team@simwood.com, we'll be happy to investigate further.

Thanks,
Team Simwood

Rated 1 out of 5 stars

Scam calls

I have now had 2 scam calls from numbers related to simwood. Will be reporting to OFCOM

June 17, 2025
Unprompted review
Simwood logo

Reply from Simwood

Hey John,

We understand your frustration, and we want you to know that Simwood takes nuisance calls very seriously.
Simwood is a telephony service provider (like BT or TalkTalk), and we supply phone numbers to business customers. In some cases, the calls you're receiving may appear to come from a Simwood number, but they are likely spoofed, meaning the caller is faking the number to hide their true identity. Alternatively if the calls are coming from a customer of a customer of ours, we can investigate further and take any necessary action.
We recommend reading the following articles for more background on how we're addressing this issue:

https://simwood.com/2025/02/cleaning-up-nuisance-calls/
https://simwood.com/2014/06/nuisance-calls-appearing-to-come-from-simwood-numbers/

If you can send us the number in question along with any relevant details to team@simwood.com, we'll be happy to investigate further.

Thanks,
Team Simwood

Rated 1 out of 5 stars

Unsolicited spam call

Unsolicited spam call.

Rang and as it was a number which I didn't recognise, and I know no-one from the area code, left it to voicemail. No message came through. Checked on a phone number check site, and came up with a number of negative reports, all stating spam and a fraudulent company. They're now on my block list, if they use anymore numbers to attempt contact. They will be reported to ofcom. This is their one chance.

It's quite clear that the 5 star reviews are their own staff members, or one of their managers with time to kill, or being paid to write such a glowing review, when they know they're just irritating the general public.

Update 12/06/25: they have just attempted to call from a number in a different part of the UK, now forwarding a report to ofcom for harassing behaviour and spam calls.

June 9, 2025
Unprompted review
Rated 1 out of 5 stars

Zero score if I could but had to give 1…

Zero score if I could but had to give 1 star to write this:
Absolutely shocking company. Constantly ringing me and as I block each number they call me again on a new number. The same scam pre recording of an energy offer. It’s seriously irritating and dangerously selling on telephone numbers to more scammers and will be reporting to offcom

April 29, 2025
Unprompted review
Rated 1 out of 5 stars

Avoid at all costs.

Months and months for port requests to be constantly timed out. Ofcom will be next step for our business. I hope anyone reading these reviews takes the terrible reviews seriously. Don't waste your time with this company.

November 1, 2023
Unprompted review
Rated 1 out of 5 stars

Worst of the Worst

Over 20 years working with Telecoms companies, and this is the worst company I have had the misfortune of working with, do yourself a favour and avoid like the plague.

They like to champion themselves as the saviour of UK telecoms, unfortunately they are everything that is broken with the UK industry and Ofcom are too pathetic to do anything about it.

They make up charges and fees when it suits them and when you ask basic questions like "what’s happening with my port" by citing “extra work” to reply to a basic email.

They change prices and add on fees during the contract without informing you.

They will block porting requests signed by end users in breach of Ofcom regulations, gaining providers are at a loss as to why the ports are being blocked and have never seen such bad practise.

Simon Woodhead endorses and supports these pathetic practises for minor monetary gain and at huge cost to your business.

May 11, 2022
Rated 5 out of 5 stars

Great VoIP network backed by great people

There a lot of companies in the VoIP space that are either reselling someone else's network, or have hacked together their own network from a poorly thought-out architecture. Simwood on the other hand have made the investments necessary to have a truly best-in-class network. I have used their wholesale product for 5 years, had a great experience, and recommended them to many of my customers as well.

The people at Simwood are great as well. Highly knowledgeable and responsive. It's clear that the network has been designed with a high degree of observability, because whenever there are any issues they are immediately on top of it. The sales team that I have dealt with, led by Frazer, is great to work with as well and have been very collaborative in terms of finding ways to address customer needs. This is a special company, extremely knowledgeable in its space and being led by great people from top to bottom.

February 14, 2022
Unprompted review
Simwood logo

Reply from Simwood

Thank you for your review David Horton and it's great to hear about your positive experiences with our team.

Rated 5 out of 5 stars

Simwood has been our chosen provider for over 10 years!

I have used Simwood for the past 10+ years across 3 different businesses where we have always been a reseller. I have watched the company grow from a small team with a dream to a telecoms powerhouse, to which we've always found the service provided to be incredible. If there has even been a problem or outage (which like any provider, does happen) the responsiveness of the team along with their consistent updates has always put our minds at ease and allowed us to provide accurate updates to our customers until the problem is resolved.

Contact has never been an issue for us, as we either manage to speak with someone quickly over the phone, or a ticket is responded to within a few minutes, so no complaints at all there.

As we've now started our own venture there was of course no hesitation when it came to not just our VoIP system, but which system we would like to supply to our customers!

February 10, 2022
Unprompted review
Simwood logo

Reply from Simwood

Thank you for your review Elliot! We're pleased you've chosen Simwood again to support your new venture and it's great to hear what you value most about working with us.

Rated 5 out of 5 stars

The UK telecoms industry is sleazy - Simwood is not

The UK telecoms industry is sleazy, as a customer you are regularly subjected to an onslaught of salesdroids with greasy hair whose sole role in life is to sign you up as a customer and then promptly forget about you the minute your signature is dry on the paper. It is an industry better known for Customer Disservice through its distinct lack of any form of post-sales support. Meanwhile the less that is said about the industry's glorious lord and master OFCOM the better, oy vey.

Then in a cattle shed, in a manger bed a boy was born, "Jesus" said the surprised relatives, but alas it was only Simon Woodhead. Simon then established a company which - having declined to use the expensive services of a brand consultant - he decided to christen Simwood.

Before we move onto the latter, we need to briefly pay homage to the former.

Simon comes from the school of speaking one's mind. Which in the UK telecoms industry is a much needed characteristic. If you have not read his sermons delivered via missives on the Simwood blog, I urge you to do so. They do a sterling role of outlining both the horrors of the UK telecoms industry and what passes for its regulation. It also explains the how's and why's of how Simwood does things and its approach to life.

Which brings us to Simwood. I've been a customer forever. The point about Simwood is its small, agile. They are different from pretty much any telecoms operator out there, not for the sake of being different but because they are driven by a desire to do things better - or even just do things right in the first place in some instances.

Customer Service at Simwood is second to none. You speak to human beings, not monkeys reading off a script. They are in-country not in far-flung regions of the globe.

The API is one of the best I've seen. You can genuinely manage your entire account from start to finish via the API which is well documented and well supported. In many years I've only found one bug in it, and when I reported it, that bug was squashed within 24 hours.

Simwood also does not milk its customers. I refer you to Simon's posts on UK Origin Charging as just one example to support the forgoing statement.

Yes Simwood has now grown to the point where it has three distinct operations, Wholesale, Partner and Direct. But my underlying sentiment would be the same regardless, i.e. whichever of the three is best suited to your business, I genuinely think you would be hard pushed to find a better telecoms company in the UK market.

February 9, 2022
Unprompted review
Simwood logo

Reply from Simwood

Thank you for your review Barking from Dagenham! It made us smile and it's great to hear the elements that you value the most as a Customer.

Rated 1 out of 5 stars

closed our account and charged us for clsoing it , and threatened to loose the numbers if we did not pay

we had an account with them with a few ranges of numbers, they advised us they were closing our account and then proceeded to charge us over £600 for the privelage , we also had to pay the new providor to accept the numbers,

do not use this company, there are totaly unflexible and if you do not work to how they operate then they charge you , no flexibilty , much better companies to deal with than Simwood.

November 30, 2021
Unprompted review
Simwood logo

Reply from Simwood

It's always a shame to hear from an unhappy customer in this way. The ownership of numbers, if they can be moved away and how is complex within the industry and is a larger subject than your post manages to portray.

We always try to take a flexible approach and have supported many customers who engage with us on this complex subject - it's unfortunate that we didn't seem to get it all right with you on this occasion.

Rated 1 out of 5 stars

Will Simwood ever port our business phone number?

Our new phone supplier has been trying to port our number away from Simwood for several weeks. I have been asked by Simwood to sign several letters of authority (they all looked the same to me). They keep telling us different things each time and it is still nowhere near happening. Our old phone provider (who I have no complaints with) did warn me that Simwood were a nightmare for porting. Boy, was he right!

November 13, 2020
Unprompted review
Simwood logo

Reply from Simwood

We're sorry to hear that you had an issue with porting a number. The process is complex and we ensure that we follow the regulatory guidance and we know it's frustrating when a customer's customer gets caught in the middle. We continue to work with industry to improve this process and hope you have better experiences porting in the future.

Rated 1 out of 5 stars

Absolutely Disgusting Company

Their website even says ‘don’t want to be our customer, f*%$ off then’

If you are a small business stay well clear, I made the mistake of signing up, there are many better companies to work with who don't have a "minimum commitment" cost, end of first year and they wanted to raise mine by 150%.

I have been charged export fees of £10 per number just to return to the Range Holder (BT).

Where Simwood are the Range Holder, they have delayed and cancelled the porting process, beyond the end of my contract. When asked to clarify why, they have added a £150 charge for "extra porting work" to end up replying with "I am not able to provide you with any information".

When asking their Chief Operating Officer (Grahame Davies) to keep 8 numbers active for 16 days until the port is complete as they are currently being used by a care home and we are in the middle of a pandemic, they want to charge £250. That's alright thanks, Ill rather use the money to compensate those being cut off.

Do yourself a favour, do not use this company.

August 31, 2020
Unprompted review
Simwood logo

Reply from Simwood

We believe this to be a previous wholesale commercial account (Wholesale customers tend to be larger in nature providing telephony services directly to many customers) where the numbers used were from Simwood's number ranges. These are subject to wholesale porting rules and processes and we apply standard charges in such cases. This account was given a year at their old rate to make other arrangements and unfortunately tried to subvert the regulations we abide by that are set out by Ofcom.

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